FZUS51 KBOX 290006
CWFBOX
Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
706 PM EST Sun Dec 28 2025
Coastal waters from the Merrimack River MA to Watch Hill RI out
to 25 NM
ANZ200-291300-
706 PM EST Sun Dec 28 2025
.Synopsis for Massachusetts and Rhode Island coastal waters...
Strong low pres moves across the Great Lakes tonight then into
Ontario and Quebec Monday. A warm front will lift north across the
waters tonight followed by a strong cold front late Mon and Mon
evening. Westerly gales will develop late Mon into Tue night with
freezing spray late Tue and Tue night. An arctic front may cross the
waters around Wed night followed by weak high pres Thu into Fri.
$$
ANZ250-291300-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
706 PM EST Sun Dec 28 2025
...GALE WARNING IN EFFECT FROM MONDAY EVENING THROUGH WEDNESDAY
MORNING...
.TONIGHT...SW winds 10 to 15 kt, becoming S 15 to 20 kt with
gusts up to 25 kt after midnight. Seas 2 to 3 ft. Wave Detail: S
3 ft at 4 seconds and NE 2 ft at 5 seconds. A chance of rain this
evening, then rain after midnight with vsby 1 NM or less.
.MON...S winds around 20 kt with gusts up to 30 kt. Seas 3 to
5 ft. Wave Detail: S 4 ft at 5 seconds and E 1 foot at
11 seconds. Rain. Patchy fog in the morning. Vsby 1 NM or less,
increasing to 1 to 3 NM in the afternoon.
.MON NIGHT...W winds 20 to 25 kt with gusts up to 30 kt,
increasing to 25 to 30 kt with gusts up to 40 kt after midnight.
Seas 4 to 6 ft, building to 5 to 8 ft after midnight. Wave
Detail: SW 5 ft at 5 seconds and SE 3 ft at 6 seconds, becoming W
7 ft at 6 seconds and S 2 ft at 8 seconds. A chance of showers in
the evening.
.TUE...W winds around 30 kt with gusts up to 45 kt. Seas 6 to
9 ft. Wave Detail: W 7 ft at 6 seconds and S 4 ft at 9 seconds.
Light freezing spray.
.TUE NIGHT...W winds 25 to 30 kt with gusts up to 40 kt. Seas
5 to 8 ft. Wave Detail: W 7 ft at 7 seconds and SE 1 foot at
11 seconds. Light freezing spray.
.WED...SW winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to
7 ft, subsiding to 3 to 5 ft in the afternoon. Wave Detail: W
6 ft at 6 seconds and S 2 ft at 10 seconds, becoming SW 5 ft at
5 seconds and S 1 foot at 10 seconds.
.WED NIGHT...W winds 20 to 25 kt with gusts up to 30 kt. Seas
3 to 5 ft. A chance of light freezing spray after midnight. A
chance of snow after midnight.
.THU...W winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to
5 ft. A chance of light freezing spray. A chance of snow.
.THU NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 4 ft. A chance of snow.
.FRI AND FRI NIGHT...W winds 10 to 15 kt with gusts up to 20 kt.
Seas 2 to 4 ft.
Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.
$$
ANZ251-291300-
Massachusetts Bay and Ipswich Bay-
706 PM EST Sun Dec 28 2025
...GALE WARNING IN EFFECT FROM MONDAY EVENING THROUGH WEDNESDAY
MORNING...
.TONIGHT...SW winds 10 to 15 kt, becoming S 15 to 20 kt with
gusts up to 25 kt after midnight. Seas 2 to 3 ft. Wave Detail: S
3 ft at 4 seconds and NE 2 ft at 5 seconds. A chance of rain this
evening, then rain after midnight with vsby 1 NM or less.
.MON...S winds 15 to 20 kt with gusts up to 25 kt. Seas around
3 ft. Wave Detail: SE 3 ft at 5 seconds and E 1 foot at
11 seconds. Rain. Patchy fog in the morning. Vsby 1 NM or less.
.MON NIGHT...W winds 20 to 25 kt, increasing to 25 to 30 kt after
midnight. Gusts up to 40 kt. Seas 3 to 5 ft. Wave Detail: W 4 ft
at 4 seconds and SE 2 ft at 5 seconds.
.TUE...W winds 25 to 30 kt. Gusts up to 45 kt in the morning.
Seas 3 to 5 ft. Wave Detail: W 5 ft at 4 seconds and SW 3 ft at
8 seconds. Light freezing spray.
.TUE NIGHT...W winds 25 to 30 kt, diminishing to 20 to 25 kt
after midnight. Seas 3 to 4 ft. Wave Detail: W 4 ft at 4 seconds
and SW 3 ft at 7 seconds. Light freezing spray.
.WED...SW winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. Seas 3 to 4 ft. Wave Detail: W 4 ft at 4 seconds and
SW 2 ft at 8 seconds.
.WED NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas
around 3 ft. A chance of light freezing spray after midnight.
.THU...W winds 15 to 20 kt. Seas 2 to 3 ft. A chance of light
freezing spray.
.THU NIGHT THROUGH FRI NIGHT...W winds 10 to 15 kt with gusts up
to 20 kt. Seas 2 to 3 ft.
Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.
$$
ANZ231-291300-
Cape Cod Bay-
706 PM EST Sun Dec 28 2025
...GALE WARNING IN EFFECT FROM MONDAY EVENING THROUGH WEDNESDAY
MORNING...
.TONIGHT...SW winds 5 to 10 kt, becoming S 15 to 20 kt with gusts
up to 25 kt after midnight. Seas 2 to 3 ft. Wave Detail: S 2 ft
at 3 seconds and N 2 ft at 5 seconds. A chance of rain this
evening, then rain after midnight with vsby 1 NM or less.
.MON...S winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to
4 ft. Wave Detail: S 3 ft at 5 seconds and E 1 foot at 5 seconds.
Rain. Patchy fog in the morning. Vsby 1 NM or less, increasing to
1 to 3 NM in the afternoon.
.MON NIGHT...W winds 20 to 25 kt, increasing to 25 to 30 kt after
midnight. Gusts up to 40 kt. Seas 4 to 6 ft. Wave Detail: W 4 ft
at 4 seconds and S 3 ft at 8 seconds. A chance of showers in the
evening.
.TUE...W winds 25 to 30 kt with gusts up to 40 kt. Seas 4 to
6 ft, subsiding to 3 to 4 ft in the afternoon. Wave Detail: W
5 ft at 5 seconds and SW 3 ft at 10 seconds, becoming W 4 ft at
5 seconds and SW 3 ft at 9 seconds. Light freezing spray in the
morning.
.TUE NIGHT...W winds 25 to 30 kt with gusts up to 35 kt. Seas
3 to 5 ft. Wave Detail: W 5 ft at 5 seconds and SW 3 ft at
9 seconds. Light freezing spray.
.WED...W winds 20 to 25 kt, becoming SW 15 to 20 kt in the
afternoon. Seas 3 to 4 ft. Wave Detail: W 4 ft at 5 seconds and
SW 2 ft at 9 seconds.
.WED NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas
2 to 4 ft. A chance of snow after midnight.
.THU THROUGH FRI...W winds 15 to 20 kt. Seas 2 to 3 ft. A chance
of snow.
.FRI NIGHT...W winds around 10 kt. Seas around 2 ft.
Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.
$$
ANZ254-291300-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
706 PM EST Sun Dec 28 2025
...GALE WARNING IN EFFECT FROM MONDAY EVENING THROUGH WEDNESDAY
MORNING...
.TONIGHT...SW winds 5 to 10 kt, becoming S 15 to 20 kt with gusts
up to 25 kt after midnight. Seas 2 to 4 ft. Wave Detail: S 3 ft
at 4 seconds and NE 3 ft at 6 seconds. Rain after midnight with
vsby 1 to 3 NM.
.MON...S winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to
7 ft. Wave Detail: S 7 ft at 8 seconds and SW 4 ft at 4 seconds.
A chance of rain in the morning, then rain in the afternoon.
Patchy fog in the morning. Vsby 1 NM or less.
.MON NIGHT...W winds 25 to 30 kt with gusts up to 45 kt. Seas
7 to 10 ft. S and E of Nantucket, seas 9 to 13 ft, building to
11 to 14 ft after midnight. Wave Detail: S 7 ft at 9 seconds and
W 6 ft at 6 seconds. A chance of showers in the evening.
.TUE...W winds 25 to 30 kt. Gusts up to 45 kt in the morning.
Seas 7 to 10 ft, except 11 to 14 ft S and E of Nantucket. Wave
Detail: S 7 ft at 10 seconds and W 6 ft at 6 seconds.
.TUE NIGHT...W winds 25 to 30 kt with gusts up to 35 kt. Seas
7 to 10 ft, except 10 to 14 ft S and E of Nantucket. Wave Detail:
W 7 ft at 6 seconds and SW 5 ft at 9 seconds.
.WED AND WED NIGHT...W winds 20 to 25 kt with gusts up to 30 kt.
Seas 5 to 7 ft. Wave Detail: W 6 ft at 6 seconds and S 5 ft at
9 seconds. A chance of snow. A chance of rain through the night.
.THU...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to
6 ft. A chance of snow.
.THU NIGHT AND FRI...NW winds 10 to 15 kt with gusts up to 20 kt.
Seas 3 to 5 ft. A chance of snow.
.FRI NIGHT...W winds 10 to 15 kt. Seas 3 to 4 ft.
Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.
$$
ANZ255-291300-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
706 PM EST Sun Dec 28 2025
...GALE WARNING IN EFFECT FROM MONDAY AFTERNOON THROUGH WEDNESDAY
MORNING...
.TONIGHT...SW winds 10 to 15 kt, becoming S 15 to 20 kt after
midnight. Gusts up to 25 kt. Seas 3 to 5 ft. Wave Detail: SW 5 ft
at 6 seconds and NE 2 ft at 6 seconds. A slight chance of rain
this evening, then rain after midnight with vsby 1 to 3 NM.
.MON...S winds 20 to 25 kt, becoming SW 25 to 30 kt in the
afternoon. Seas 5 to 8 ft, building to 8 to 11 ft in the
afternoon. Wave Detail: SW 8 ft at 7 seconds and SW 2 ft at
4 seconds, becoming SW 11 ft at 9 seconds and SW 2 ft at
4 seconds. A chance of rain in the morning, then rain in the
afternoon. Vsby 1 NM or less.
.MON NIGHT...W winds 25 to 35 kt, becoming 30 to 35 kt after
midnight. Gusts up to 45 kt. Seas 10 to 14 ft. Wave Detail: SW
14 ft at 10 seconds and W 3 ft at 5 seconds.
.TUE...W winds 30 to 40 kt with gusts up to 45 kt. Seas 10 to
14 ft. Wave Detail: SW 14 ft at 10 seconds and W 3 ft at
5 seconds.
.TUE NIGHT...W winds 30 to 40 kt. Seas 9 to 13 ft. Wave Detail: W
13 ft at 9 seconds and W 3 ft at 5 seconds.
.WED...W winds 25 to 30 kt. Seas 7 to 10 ft. Wave Detail: W 10 ft
at 8 seconds and W 2 ft at 5 seconds. A chance of snow.
.WED NIGHT...W winds 25 to 30 kt. Seas 7 to 10 ft. A chance of
snow and rain after midnight.
.THU...NW winds 20 to 25 kt. Seas 5 to 7 ft. A chance of light
freezing spray. A chance of snow.
.THU NIGHT...NW winds around 15 kt with gusts up to 20 kt. Seas
4 to 6 ft. A chance of snow.
.FRI...NW winds around 15 kt with gusts up to 20 kt. Seas 3 to
5 ft. A chance of snow.
.FRI NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 5 ft.
Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.
$$
ANZ256-291300-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
706 PM EST Sun Dec 28 2025
...GALE WARNING IN EFFECT FROM MONDAY AFTERNOON THROUGH WEDNESDAY
MORNING...
.TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, becoming
S 20 to 25 kt with gusts up to 30 kt after midnight. Seas 2 to
4 ft, building to 4 to 6 ft after midnight. Wave Detail: SW 3 ft
at 4 seconds and E 2 ft at 12 seconds, becoming SW 6 ft at
6 seconds and E 2 ft at 12 seconds. A chance of rain this
evening, then rain after midnight with vsby 1 to 3 NM.
.MON...SW winds 20 to 25 kt, increasing to 25 to 30 kt in the
afternoon. Seas 6 to 9 ft, building to 8 to 11 ft in the
afternoon. Wave Detail: SW 9 ft at 7 seconds and SW 1 foot at
4 seconds, becoming SW 11 ft at 8 seconds and SW 1 foot at
4 seconds. A chance of rain in the morning, then rain in the
afternoon. Vsby 1 NM or less.
.MON NIGHT...W winds 25 to 35 kt, becoming 30 to 35 kt after
midnight. Gusts up to 45 kt. Seas 9 to 12 ft, building to 10 to
14 ft after midnight. Wave Detail: SW 12 ft at 9 seconds and W
4 ft at 6 seconds, becoming SW 13 ft at 9 seconds and NW 4 ft at
6 seconds.
.TUE...W winds 30 to 40 kt with gusts up to 45 kt. Seas 9 to
13 ft. Wave Detail: SW 13 ft at 9 seconds and NW 4 ft at
6 seconds.
.TUE NIGHT...W winds 30 to 40 kt, diminishing to 25 to 35 kt
after midnight. Seas 9 to 12 ft. Wave Detail: SW 11 ft at
9 seconds and NW 5 ft at 6 seconds.
.WED...W winds 25 to 30 kt. Seas 6 to 9 ft. Wave Detail: SW 9 ft
at 8 seconds and W 3 ft at 5 seconds.
.WED NIGHT...W winds 25 to 30 kt with gusts up to 35 kt. Seas
6 to 9 ft. A chance of snow after midnight.
.THU...NW winds 20 to 25 kt. Seas 5 to 7 ft. A chance of snow.
.THU NIGHT AND FRI...NW winds 15 to 20 kt. Seas 3 to 5 ft. A
chance of snow.
.FRI NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 4 ft.
Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.
$$
ANZ232-291300-
Nantucket Sound-
706 PM EST Sun Dec 28 2025
...GALE WARNING IN EFFECT FROM MONDAY AFTERNOON THROUGH WEDNESDAY
MORNING...
.TONIGHT...SW winds around 10 kt, becoming S 15 to 20 kt with
gusts up to 25 kt after midnight. Seas 2 to 3 ft. Wave Detail: S
3 ft at 4 seconds and S 3 ft at 7 seconds. A chance of rain this
evening, then rain after midnight with vsby 1 NM or less.
.MON...SW winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to
6 ft. Wave Detail: SW 4 ft at 4 seconds and S 4 ft at 7 seconds.
Patchy fog. Rain likely. Vsby 1 NM or less.
.MON NIGHT...W winds 25 to 30 kt with gusts up to 45 kt. Seas
5 to 7 ft. Wave Detail: W 5 ft at 5 seconds and SW 3 ft at
9 seconds.
.TUE...W winds 25 to 30 kt. Gusts up to 45 kt in the morning.
Seas 5 to 7 ft. Wave Detail: W 6 ft at 5 seconds and SW 3 ft at
10 seconds.
.TUE NIGHT...W winds 25 to 30 kt with gusts up to 35 kt. Seas
5 to 7 ft. Wave Detail: W 6 ft at 5 seconds and SW 3 ft at
10 seconds.
.WED...W winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to
6 ft. Wave Detail: W 4 ft at 5 seconds and SW 3 ft at 9 seconds.
.WED NIGHT...W winds 20 to 25 kt. Seas 3 to 5 ft. A chance of
snow after midnight.
.THU...NW winds 15 to 20 kt. Seas 2 to 4 ft. A chance of light
freezing spray. A chance of snow.
.THU NIGHT AND FRI...NW winds 10 to 15 kt. Seas 2 to 3 ft. A
chance of snow.
.FRI NIGHT...W winds 10 to 15 kt. Seas 2 to 3 ft.
Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.
$$
ANZ233-291300-
Vineyard Sound-
706 PM EST Sun Dec 28 2025
...GALE WARNING IN EFFECT FROM MONDAY AFTERNOON THROUGH WEDNESDAY
MORNING...
.TONIGHT...SW winds 10 to 15 kt, becoming S 15 to 20 kt with
gusts up to 25 kt after midnight. Seas 2 to 4 ft. Wave Detail: S
4 ft at 6 seconds and NE 1 foot at 6 seconds. A chance of rain
this evening, then rain after midnight with vsby 1 NM or less.
.MON...SW winds 20 to 25 kt with gusts up to 35 kt. Seas 5 to
7 ft. Wave Detail: SW 7 ft at 8 seconds and SW 2 ft at 4 seconds.
A chance of rain in the morning, then rain in the afternoon. Vsby
1 NM or less.
.MON NIGHT...W winds 25 to 30 kt with gusts up to 40 kt. Seas
5 to 8 ft. Wave Detail: SW 8 ft at 9 seconds and W 3 ft at
5 seconds. A chance of showers in the evening.
.TUE...W winds 25 to 30 kt. Gusts up to 45 kt in the morning.
Seas 6 to 9 ft. Wave Detail: SW 8 ft at 9 seconds and W 3 ft at
5 seconds.
.TUE NIGHT...W winds 25 to 35 kt. Seas 5 to 8 ft. Wave Detail: SW
8 ft at 9 seconds and W 3 ft at 5 seconds.
.WED AND WED NIGHT...W winds 20 to 25 kt with gusts up to 30 kt.
Seas 4 to 6 ft. Wave Detail: SW 6 ft at 8 seconds and W 3 ft at
5 seconds.
.THU...NW winds 15 to 20 kt. Seas 3 to 5 ft. A chance of light
freezing spray. A chance of snow.
.THU NIGHT AND FRI...NW winds 10 to 15 kt. Seas 2 to 3 ft. A
chance of snow.
.FRI NIGHT...W winds 10 to 15 kt. Seas around 2 ft.
Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.
$$
ANZ234-291300-
Buzzards Bay-
706 PM EST Sun Dec 28 2025
...GALE WARNING IN EFFECT FROM MONDAY AFTERNOON THROUGH WEDNESDAY
MORNING...
.TONIGHT...SW winds 10 to 15 kt, becoming S 15 to 20 kt with
gusts up to 25 kt after midnight. Seas 2 to 4 ft. Wave Detail: S
4 ft at 7 seconds and SW 3 ft at 4 seconds. A chance of rain this
evening, then rain after midnight. Patchy fog after midnight with
vsby 1 NM or less.
.MON...SW winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to
5 ft. Wave Detail: SW 5 ft at 8 seconds and SW 3 ft at 4 seconds.
A chance of rain in the morning, then rain in the afternoon.
Patchy fog in the morning. Vsby 1 NM or less.
.MON NIGHT...W winds 25 to 30 kt with gusts up to 40 kt. Seas
4 to 6 ft. Wave Detail: SW 6 ft at 9 seconds and W 4 ft at
5 seconds. A chance of showers in the evening.
.TUE...W winds 25 to 30 kt with gusts up to 40 kt. Seas 4 to
6 ft. Wave Detail: SW 6 ft at 9 seconds and W 4 ft at 5 seconds.
Light freezing spray in the morning.
.TUE NIGHT...W winds 25 to 30 kt with gusts up to 35 kt. Seas
4 to 6 ft. Wave Detail: SW 6 ft at 8 seconds and W 4 ft at
5 seconds. Light freezing spray after midnight.
.WED AND WED NIGHT...W winds 20 to 25 kt with gusts up to 30 kt.
Seas 3 to 5 ft. Wave Detail: SW 5 ft at 8 seconds and SW 4 ft at
5 seconds.
.THU AND THU NIGHT...NW winds 15 to 20 kt, diminishing to 10 to
15 kt. Seas 2 to 4 ft. A chance of snow.
.FRI...NW winds 10 to 15 kt. Seas around 2 ft. A chance of snow.
.FRI NIGHT...W winds 5 to 10 kt. Seas around 2 ft.
Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.
$$
ANZ235-291300-
Rhode Island Sound-
706 PM EST Sun Dec 28 2025
...GALE WARNING IN EFFECT FROM MONDAY AFTERNOON THROUGH WEDNESDAY
MORNING...
.TONIGHT...SW winds 10 to 15 kt, becoming S 15 to 20 kt after
midnight. Gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: S 4 ft
at 6 seconds and NE 1 foot at 6 seconds. A chance of rain this
evening, then rain after midnight with vsby 1 NM or less.
.MON...SW winds 20 to 25 kt, increasing to 25 to 30 kt in the
afternoon. Seas 5 to 8 ft. Wave Detail: SW 8 ft at 8 seconds and
SW 2 ft at 4 seconds. A chance of rain in the morning, then rain
in the afternoon. Vsby 1 NM or less.
.MON NIGHT...W winds 25 to 30 kt, increasing to 30 to 35 kt after
midnight. Gusts up to 45 kt. Seas 7 to 10 ft. Wave Detail: SW
10 ft at 9 seconds and W 4 ft at 6 seconds.
.TUE...W winds 30 to 35 kt with gusts up to 45 kt. Seas 7 to
10 ft. Wave Detail: SW 10 ft at 10 seconds and W 5 ft at
6 seconds.
.TUE NIGHT...W winds 25 to 30 kt with gusts up to 35 kt. Seas
6 to 9 ft, subsiding to 5 to 7 ft after midnight. Wave Detail: SW
9 ft at 9 seconds and W 5 ft at 6 seconds, becoming SW 7 ft at
9 seconds and W 4 ft at 6 seconds.
.WED...W winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to
7 ft. Wave Detail: SW 7 ft at 8 seconds and W 3 ft at 5 seconds.
.WED NIGHT...W winds 20 to 25 kt with gusts up to 30 kt. Seas
5 to 7 ft. A chance of light freezing spray after midnight.
.THU...NW winds 15 to 20 kt. Seas 4 to 6 ft. A chance of light
freezing spray. A chance of snow.
.THU NIGHT...NW winds 10 to 15 kt. Seas 2 to 4 ft. A chance of
snow.
.FRI AND FRI NIGHT...W winds 10 to 15 kt. Seas 2 to 3 ft.
Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.
$$
ANZ237-291300-
Block Island Sound-
706 PM EST Sun Dec 28 2025
...GALE WARNING IN EFFECT FROM MONDAY AFTERNOON THROUGH WEDNESDAY
MORNING...
.TONIGHT...SW winds 10 to 15 kt, becoming S 15 to 20 kt after
midnight. Gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: S 4 ft
at 7 seconds and S 3 ft at 4 seconds. A chance of rain this
evening, then rain after midnight with vsby 1 to 3 NM.
.MON...SW winds 20 to 25 kt with gusts up to 35 kt. Seas 5 to
7 ft. Wave Detail: S 6 ft at 8 seconds and W 3 ft at 5 seconds. A
chance of rain in the morning, then rain in the afternoon. Patchy
fog in the morning. Vsby 1 NM or less.
.MON NIGHT...W winds 25 to 30 kt with gusts up to 45 kt. Seas
6 to 9 ft. Wave Detail: W 6 ft at 6 seconds and S 6 ft at
9 seconds.
.TUE...W winds 25 to 30 kt. Gusts up to 45 kt in the morning.
Seas 6 to 9 ft. Wave Detail: W 6 ft at 6 seconds and S 6 ft at
10 seconds.
.TUE NIGHT...W winds 25 to 30 kt with gusts up to 35 kt. Seas
5 to 8 ft. Wave Detail: W 6 ft at 6 seconds and S 4 ft at
9 seconds.
.WED AND WED NIGHT...W winds 20 to 25 kt with gusts up to 30 kt.
Seas 4 to 6 ft. Wave Detail: W 4 ft at 5 seconds and SW 4 ft at
8 seconds.
.THU...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
5 ft. A chance of snow.
.THU NIGHT...NW winds 10 to 15 kt. Seas 2 to 4 ft. A chance of
snow.
.FRI AND FRI NIGHT...W winds 10 to 15 kt. Gusts up to 20 kt. Seas
2 to 3 ft.
Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.
$$
ANZ230-291300-
Boston Harbor-
706 PM EST Sun Dec 28 2025
...GALE WARNING IN EFFECT FROM MONDAY EVENING THROUGH TUESDAY
EVENING...
.TONIGHT...SW winds 5 to 10 kt, becoming S 10 to 15 kt with gusts
up to 20 kt after midnight. Waves 1 foot or less, then around
2 ft after midnight. A chance of rain this evening, then rain
with a chance of freezing rain after midnight with vsby 1 NM or
less.
.MON...S winds 15 to 20 kt with gusts up to 25 kt. Waves around
2 ft. Rain. Patchy fog in the morning. Vsby 1 NM or less.
.MON NIGHT...W winds 20 to 25 kt. Gusts up to 30 kt, increasing
to 40 kt after midnight. Waves around 2 ft.
.TUE...W winds 25 to 30 kt. Gusts up to 45 kt in the morning.
Waves around 2 ft.
.TUE NIGHT AND WED...SW winds 25 to 30 kt. Waves around 2 ft.
.WED NIGHT...SW winds 15 to 20 kt, becoming W after midnight.
Waves around 2 ft.
.THU THROUGH FRI NIGHT...W winds 15 to 20 kt. Waves around 2 ft.
Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.
$$
ANZ236-291300-
Narragansett Bay-
706 PM EST Sun Dec 28 2025
...GALE WARNING IN EFFECT FROM MONDAY EVENING THROUGH TUESDAY
EVENING...
.TONIGHT...SW winds around 10 kt, becoming S 15 to 20 kt with
gusts up to 25 kt after midnight. Waves 2 to 3 ft. A chance of
rain this evening, then rain after midnight. Patchy fog after
midnight with vsby 1 NM or less.
.MON...SW winds 15 to 20 kt with gusts up to 30 kt. Waves 3 to
5 ft. A chance of rain in the morning, then rain in the
afternoon. Vsby 1 NM or less.
.MON NIGHT...W winds 15 to 20 kt, increasing to 20 to 25 kt after
midnight. Gusts up to 40 kt. Waves 3 to 5 ft.
.TUE...W winds 20 to 25 kt with gusts up to 35 kt. Waves 3 to
5 ft. Light freezing spray in the morning.
.TUE NIGHT...W winds 20 to 25 kt, diminishing to 15 to 20 kt
after midnight. Gusts up to 30 kt. Waves 3 to 5 ft. Light
freezing spray.
.WED AND WED NIGHT...W winds 15 to 20 kt with gusts up to 25 kt.
Waves 2 to 4 ft.
.THU...W winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to
3 ft.
.THU NIGHT...NW winds 5 to 10 kt. Waves around 2 ft. A chance of
snow.
.FRI AND FRI NIGHT...W winds 5 to 10 kt. Waves around 2 ft.
Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.
$$
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CWFBOX
Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
706 PM EST Sun Dec 28 2025
Coastal waters from the Merrimack River MA to Watch Hill RI out
to 25 NM
ANZ200-291300-
706 PM EST Sun Dec 28 2025
.Synopsis for Massachusetts and Rhode Island coastal waters...
Strong low pres moves across the Great Lakes tonight then into
Ontario and Quebec Monday. A warm front will lift north across the
waters tonight followed by a strong cold front late Mon and Mon
evening. Westerly gales will develop late Mon into Tue night with
freezing spray late Tue and Tue night. An arctic front may cross the
waters around Wed night followed by weak high pres Thu into Fri.
$$
ANZ250-291300-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
706 PM EST Sun Dec 28 2025
...GALE WARNING IN EFFECT FROM MONDAY EVENING THROUGH WEDNESDAY
MORNING...
.TONIGHT...SW winds 10 to 15 kt, becoming S 15 to 20 kt with
gusts up to 25 kt after midnight. Seas 2 to 3 ft. Wave Detail: S
3 ft at 4 seconds and NE 2 ft at 5 seconds. A chance of rain this
evening, then rain after midnight with vsby 1 NM or less.
.MON...S winds around 20 kt with gusts up to 30 kt. Seas 3 to
5 ft. Wave Detail: S 4 ft at 5 seconds and E 1 foot at
11 seconds. Rain. Patchy fog in the morning. Vsby 1 NM or less,
increasing to 1 to 3 NM in the afternoon.
.MON NIGHT...W winds 20 to 25 kt with gusts up to 30 kt,
increasing to 25 to 30 kt with gusts up to 40 kt after midnight.
Seas 4 to 6 ft, building to 5 to 8 ft after midnight. Wave
Detail: SW 5 ft at 5 seconds and SE 3 ft at 6 seconds, becoming W
7 ft at 6 seconds and S 2 ft at 8 seconds. A chance of showers in
the evening.
.TUE...W winds around 30 kt with gusts up to 45 kt. Seas 6 to
9 ft. Wave Detail: W 7 ft at 6 seconds and S 4 ft at 9 seconds.
Light freezing spray.
.TUE NIGHT...W winds 25 to 30 kt with gusts up to 40 kt. Seas
5 to 8 ft. Wave Detail: W 7 ft at 7 seconds and SE 1 foot at
11 seconds. Light freezing spray.
.WED...SW winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to
7 ft, subsiding to 3 to 5 ft in the afternoon. Wave Detail: W
6 ft at 6 seconds and S 2 ft at 10 seconds, becoming SW 5 ft at
5 seconds and S 1 foot at 10 seconds.
.WED NIGHT...W winds 20 to 25 kt with gusts up to 30 kt. Seas
3 to 5 ft. A chance of light freezing spray after midnight. A
chance of snow after midnight.
.THU...W winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to
5 ft. A chance of light freezing spray. A chance of snow.
.THU NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 4 ft. A chance of snow.
.FRI AND FRI NIGHT...W winds 10 to 15 kt with gusts up to 20 kt.
Seas 2 to 4 ft.
Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.
$$
ANZ251-291300-
Massachusetts Bay and Ipswich Bay-
706 PM EST Sun Dec 28 2025
...GALE WARNING IN EFFECT FROM MONDAY EVENING THROUGH WEDNESDAY
MORNING...
.TONIGHT...SW winds 10 to 15 kt, becoming S 15 to 20 kt with
gusts up to 25 kt after midnight. Seas 2 to 3 ft. Wave Detail: S
3 ft at 4 seconds and NE 2 ft at 5 seconds. A chance of rain this
evening, then rain after midnight with vsby 1 NM or less.
.MON...S winds 15 to 20 kt with gusts up to 25 kt. Seas around
3 ft. Wave Detail: SE 3 ft at 5 seconds and E 1 foot at
11 seconds. Rain. Patchy fog in the morning. Vsby 1 NM or less.
.MON NIGHT...W winds 20 to 25 kt, increasing to 25 to 30 kt after
midnight. Gusts up to 40 kt. Seas 3 to 5 ft. Wave Detail: W 4 ft
at 4 seconds and SE 2 ft at 5 seconds.
.TUE...W winds 25 to 30 kt. Gusts up to 45 kt in the morning.
Seas 3 to 5 ft. Wave Detail: W 5 ft at 4 seconds and SW 3 ft at
8 seconds. Light freezing spray.
.TUE NIGHT...W winds 25 to 30 kt, diminishing to 20 to 25 kt
after midnight. Seas 3 to 4 ft. Wave Detail: W 4 ft at 4 seconds
and SW 3 ft at 7 seconds. Light freezing spray.
.WED...SW winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. Seas 3 to 4 ft. Wave Detail: W 4 ft at 4 seconds and
SW 2 ft at 8 seconds.
.WED NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas
around 3 ft. A chance of light freezing spray after midnight.
.THU...W winds 15 to 20 kt. Seas 2 to 3 ft. A chance of light
freezing spray.
.THU NIGHT THROUGH FRI NIGHT...W winds 10 to 15 kt with gusts up
to 20 kt. Seas 2 to 3 ft.
Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.
$$
ANZ231-291300-
Cape Cod Bay-
706 PM EST Sun Dec 28 2025
...GALE WARNING IN EFFECT FROM MONDAY EVENING THROUGH WEDNESDAY
MORNING...
.TONIGHT...SW winds 5 to 10 kt, becoming S 15 to 20 kt with gusts
up to 25 kt after midnight. Seas 2 to 3 ft. Wave Detail: S 2 ft
at 3 seconds and N 2 ft at 5 seconds. A chance of rain this
evening, then rain after midnight with vsby 1 NM or less.
.MON...S winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to
4 ft. Wave Detail: S 3 ft at 5 seconds and E 1 foot at 5 seconds.
Rain. Patchy fog in the morning. Vsby 1 NM or less, increasing to
1 to 3 NM in the afternoon.
.MON NIGHT...W winds 20 to 25 kt, increasing to 25 to 30 kt after
midnight. Gusts up to 40 kt. Seas 4 to 6 ft. Wave Detail: W 4 ft
at 4 seconds and S 3 ft at 8 seconds. A chance of showers in the
evening.
.TUE...W winds 25 to 30 kt with gusts up to 40 kt. Seas 4 to
6 ft, subsiding to 3 to 4 ft in the afternoon. Wave Detail: W
5 ft at 5 seconds and SW 3 ft at 10 seconds, becoming W 4 ft at
5 seconds and SW 3 ft at 9 seconds. Light freezing spray in the
morning.
.TUE NIGHT...W winds 25 to 30 kt with gusts up to 35 kt. Seas
3 to 5 ft. Wave Detail: W 5 ft at 5 seconds and SW 3 ft at
9 seconds. Light freezing spray.
.WED...W winds 20 to 25 kt, becoming SW 15 to 20 kt in the
afternoon. Seas 3 to 4 ft. Wave Detail: W 4 ft at 5 seconds and
SW 2 ft at 9 seconds.
.WED NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas
2 to 4 ft. A chance of snow after midnight.
.THU THROUGH FRI...W winds 15 to 20 kt. Seas 2 to 3 ft. A chance
of snow.
.FRI NIGHT...W winds around 10 kt. Seas around 2 ft.
Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.
$$
ANZ254-291300-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
706 PM EST Sun Dec 28 2025
...GALE WARNING IN EFFECT FROM MONDAY EVENING THROUGH WEDNESDAY
MORNING...
.TONIGHT...SW winds 5 to 10 kt, becoming S 15 to 20 kt with gusts
up to 25 kt after midnight. Seas 2 to 4 ft. Wave Detail: S 3 ft
at 4 seconds and NE 3 ft at 6 seconds. Rain after midnight with
vsby 1 to 3 NM.
.MON...S winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to
7 ft. Wave Detail: S 7 ft at 8 seconds and SW 4 ft at 4 seconds.
A chance of rain in the morning, then rain in the afternoon.
Patchy fog in the morning. Vsby 1 NM or less.
.MON NIGHT...W winds 25 to 30 kt with gusts up to 45 kt. Seas
7 to 10 ft. S and E of Nantucket, seas 9 to 13 ft, building to
11 to 14 ft after midnight. Wave Detail: S 7 ft at 9 seconds and
W 6 ft at 6 seconds. A chance of showers in the evening.
.TUE...W winds 25 to 30 kt. Gusts up to 45 kt in the morning.
Seas 7 to 10 ft, except 11 to 14 ft S and E of Nantucket. Wave
Detail: S 7 ft at 10 seconds and W 6 ft at 6 seconds.
.TUE NIGHT...W winds 25 to 30 kt with gusts up to 35 kt. Seas
7 to 10 ft, except 10 to 14 ft S and E of Nantucket. Wave Detail:
W 7 ft at 6 seconds and SW 5 ft at 9 seconds.
.WED AND WED NIGHT...W winds 20 to 25 kt with gusts up to 30 kt.
Seas 5 to 7 ft. Wave Detail: W 6 ft at 6 seconds and S 5 ft at
9 seconds. A chance of snow. A chance of rain through the night.
.THU...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to
6 ft. A chance of snow.
.THU NIGHT AND FRI...NW winds 10 to 15 kt with gusts up to 20 kt.
Seas 3 to 5 ft. A chance of snow.
.FRI NIGHT...W winds 10 to 15 kt. Seas 3 to 4 ft.
Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.
$$
ANZ255-291300-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
706 PM EST Sun Dec 28 2025
...GALE WARNING IN EFFECT FROM MONDAY AFTERNOON THROUGH WEDNESDAY
MORNING...
.TONIGHT...SW winds 10 to 15 kt, becoming S 15 to 20 kt after
midnight. Gusts up to 25 kt. Seas 3 to 5 ft. Wave Detail: SW 5 ft
at 6 seconds and NE 2 ft at 6 seconds. A slight chance of rain
this evening, then rain after midnight with vsby 1 to 3 NM.
.MON...S winds 20 to 25 kt, becoming SW 25 to 30 kt in the
afternoon. Seas 5 to 8 ft, building to 8 to 11 ft in the
afternoon. Wave Detail: SW 8 ft at 7 seconds and SW 2 ft at
4 seconds, becoming SW 11 ft at 9 seconds and SW 2 ft at
4 seconds. A chance of rain in the morning, then rain in the
afternoon. Vsby 1 NM or less.
.MON NIGHT...W winds 25 to 35 kt, becoming 30 to 35 kt after
midnight. Gusts up to 45 kt. Seas 10 to 14 ft. Wave Detail: SW
14 ft at 10 seconds and W 3 ft at 5 seconds.
.TUE...W winds 30 to 40 kt with gusts up to 45 kt. Seas 10 to
14 ft. Wave Detail: SW 14 ft at 10 seconds and W 3 ft at
5 seconds.
.TUE NIGHT...W winds 30 to 40 kt. Seas 9 to 13 ft. Wave Detail: W
13 ft at 9 seconds and W 3 ft at 5 seconds.
.WED...W winds 25 to 30 kt. Seas 7 to 10 ft. Wave Detail: W 10 ft
at 8 seconds and W 2 ft at 5 seconds. A chance of snow.
.WED NIGHT...W winds 25 to 30 kt. Seas 7 to 10 ft. A chance of
snow and rain after midnight.
.THU...NW winds 20 to 25 kt. Seas 5 to 7 ft. A chance of light
freezing spray. A chance of snow.
.THU NIGHT...NW winds around 15 kt with gusts up to 20 kt. Seas
4 to 6 ft. A chance of snow.
.FRI...NW winds around 15 kt with gusts up to 20 kt. Seas 3 to
5 ft. A chance of snow.
.FRI NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 5 ft.
Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.
$$
ANZ256-291300-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
706 PM EST Sun Dec 28 2025
...GALE WARNING IN EFFECT FROM MONDAY AFTERNOON THROUGH WEDNESDAY
MORNING...
.TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, becoming
S 20 to 25 kt with gusts up to 30 kt after midnight. Seas 2 to
4 ft, building to 4 to 6 ft after midnight. Wave Detail: SW 3 ft
at 4 seconds and E 2 ft at 12 seconds, becoming SW 6 ft at
6 seconds and E 2 ft at 12 seconds. A chance of rain this
evening, then rain after midnight with vsby 1 to 3 NM.
.MON...SW winds 20 to 25 kt, increasing to 25 to 30 kt in the
afternoon. Seas 6 to 9 ft, building to 8 to 11 ft in the
afternoon. Wave Detail: SW 9 ft at 7 seconds and SW 1 foot at
4 seconds, becoming SW 11 ft at 8 seconds and SW 1 foot at
4 seconds. A chance of rain in the morning, then rain in the
afternoon. Vsby 1 NM or less.
.MON NIGHT...W winds 25 to 35 kt, becoming 30 to 35 kt after
midnight. Gusts up to 45 kt. Seas 9 to 12 ft, building to 10 to
14 ft after midnight. Wave Detail: SW 12 ft at 9 seconds and W
4 ft at 6 seconds, becoming SW 13 ft at 9 seconds and NW 4 ft at
6 seconds.
.TUE...W winds 30 to 40 kt with gusts up to 45 kt. Seas 9 to
13 ft. Wave Detail: SW 13 ft at 9 seconds and NW 4 ft at
6 seconds.
.TUE NIGHT...W winds 30 to 40 kt, diminishing to 25 to 35 kt
after midnight. Seas 9 to 12 ft. Wave Detail: SW 11 ft at
9 seconds and NW 5 ft at 6 seconds.
.WED...W winds 25 to 30 kt. Seas 6 to 9 ft. Wave Detail: SW 9 ft
at 8 seconds and W 3 ft at 5 seconds.
.WED NIGHT...W winds 25 to 30 kt with gusts up to 35 kt. Seas
6 to 9 ft. A chance of snow after midnight.
.THU...NW winds 20 to 25 kt. Seas 5 to 7 ft. A chance of snow.
.THU NIGHT AND FRI...NW winds 15 to 20 kt. Seas 3 to 5 ft. A
chance of snow.
.FRI NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 4 ft.
Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.
$$
ANZ232-291300-
Nantucket Sound-
706 PM EST Sun Dec 28 2025
...GALE WARNING IN EFFECT FROM MONDAY AFTERNOON THROUGH WEDNESDAY
MORNING...
.TONIGHT...SW winds around 10 kt, becoming S 15 to 20 kt with
gusts up to 25 kt after midnight. Seas 2 to 3 ft. Wave Detail: S
3 ft at 4 seconds and S 3 ft at 7 seconds. A chance of rain this
evening, then rain after midnight with vsby 1 NM or less.
.MON...SW winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to
6 ft. Wave Detail: SW 4 ft at 4 seconds and S 4 ft at 7 seconds.
Patchy fog. Rain likely. Vsby 1 NM or less.
.MON NIGHT...W winds 25 to 30 kt with gusts up to 45 kt. Seas
5 to 7 ft. Wave Detail: W 5 ft at 5 seconds and SW 3 ft at
9 seconds.
.TUE...W winds 25 to 30 kt. Gusts up to 45 kt in the morning.
Seas 5 to 7 ft. Wave Detail: W 6 ft at 5 seconds and SW 3 ft at
10 seconds.
.TUE NIGHT...W winds 25 to 30 kt with gusts up to 35 kt. Seas
5 to 7 ft. Wave Detail: W 6 ft at 5 seconds and SW 3 ft at
10 seconds.
.WED...W winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to
6 ft. Wave Detail: W 4 ft at 5 seconds and SW 3 ft at 9 seconds.
.WED NIGHT...W winds 20 to 25 kt. Seas 3 to 5 ft. A chance of
snow after midnight.
.THU...NW winds 15 to 20 kt. Seas 2 to 4 ft. A chance of light
freezing spray. A chance of snow.
.THU NIGHT AND FRI...NW winds 10 to 15 kt. Seas 2 to 3 ft. A
chance of snow.
.FRI NIGHT...W winds 10 to 15 kt. Seas 2 to 3 ft.
Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.
$$
ANZ233-291300-
Vineyard Sound-
706 PM EST Sun Dec 28 2025
...GALE WARNING IN EFFECT FROM MONDAY AFTERNOON THROUGH WEDNESDAY
MORNING...
.TONIGHT...SW winds 10 to 15 kt, becoming S 15 to 20 kt with
gusts up to 25 kt after midnight. Seas 2 to 4 ft. Wave Detail: S
4 ft at 6 seconds and NE 1 foot at 6 seconds. A chance of rain
this evening, then rain after midnight with vsby 1 NM or less.
.MON...SW winds 20 to 25 kt with gusts up to 35 kt. Seas 5 to
7 ft. Wave Detail: SW 7 ft at 8 seconds and SW 2 ft at 4 seconds.
A chance of rain in the morning, then rain in the afternoon. Vsby
1 NM or less.
.MON NIGHT...W winds 25 to 30 kt with gusts up to 40 kt. Seas
5 to 8 ft. Wave Detail: SW 8 ft at 9 seconds and W 3 ft at
5 seconds. A chance of showers in the evening.
.TUE...W winds 25 to 30 kt. Gusts up to 45 kt in the morning.
Seas 6 to 9 ft. Wave Detail: SW 8 ft at 9 seconds and W 3 ft at
5 seconds.
.TUE NIGHT...W winds 25 to 35 kt. Seas 5 to 8 ft. Wave Detail: SW
8 ft at 9 seconds and W 3 ft at 5 seconds.
.WED AND WED NIGHT...W winds 20 to 25 kt with gusts up to 30 kt.
Seas 4 to 6 ft. Wave Detail: SW 6 ft at 8 seconds and W 3 ft at
5 seconds.
.THU...NW winds 15 to 20 kt. Seas 3 to 5 ft. A chance of light
freezing spray. A chance of snow.
.THU NIGHT AND FRI...NW winds 10 to 15 kt. Seas 2 to 3 ft. A
chance of snow.
.FRI NIGHT...W winds 10 to 15 kt. Seas around 2 ft.
Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.
$$
ANZ234-291300-
Buzzards Bay-
706 PM EST Sun Dec 28 2025
...GALE WARNING IN EFFECT FROM MONDAY AFTERNOON THROUGH WEDNESDAY
MORNING...
.TONIGHT...SW winds 10 to 15 kt, becoming S 15 to 20 kt with
gusts up to 25 kt after midnight. Seas 2 to 4 ft. Wave Detail: S
4 ft at 7 seconds and SW 3 ft at 4 seconds. A chance of rain this
evening, then rain after midnight. Patchy fog after midnight with
vsby 1 NM or less.
.MON...SW winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to
5 ft. Wave Detail: SW 5 ft at 8 seconds and SW 3 ft at 4 seconds.
A chance of rain in the morning, then rain in the afternoon.
Patchy fog in the morning. Vsby 1 NM or less.
.MON NIGHT...W winds 25 to 30 kt with gusts up to 40 kt. Seas
4 to 6 ft. Wave Detail: SW 6 ft at 9 seconds and W 4 ft at
5 seconds. A chance of showers in the evening.
.TUE...W winds 25 to 30 kt with gusts up to 40 kt. Seas 4 to
6 ft. Wave Detail: SW 6 ft at 9 seconds and W 4 ft at 5 seconds.
Light freezing spray in the morning.
.TUE NIGHT...W winds 25 to 30 kt with gusts up to 35 kt. Seas
4 to 6 ft. Wave Detail: SW 6 ft at 8 seconds and W 4 ft at
5 seconds. Light freezing spray after midnight.
.WED AND WED NIGHT...W winds 20 to 25 kt with gusts up to 30 kt.
Seas 3 to 5 ft. Wave Detail: SW 5 ft at 8 seconds and SW 4 ft at
5 seconds.
.THU AND THU NIGHT...NW winds 15 to 20 kt, diminishing to 10 to
15 kt. Seas 2 to 4 ft. A chance of snow.
.FRI...NW winds 10 to 15 kt. Seas around 2 ft. A chance of snow.
.FRI NIGHT...W winds 5 to 10 kt. Seas around 2 ft.
Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.
$$
ANZ235-291300-
Rhode Island Sound-
706 PM EST Sun Dec 28 2025
...GALE WARNING IN EFFECT FROM MONDAY AFTERNOON THROUGH WEDNESDAY
MORNING...
.TONIGHT...SW winds 10 to 15 kt, becoming S 15 to 20 kt after
midnight. Gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: S 4 ft
at 6 seconds and NE 1 foot at 6 seconds. A chance of rain this
evening, then rain after midnight with vsby 1 NM or less.
.MON...SW winds 20 to 25 kt, increasing to 25 to 30 kt in the
afternoon. Seas 5 to 8 ft. Wave Detail: SW 8 ft at 8 seconds and
SW 2 ft at 4 seconds. A chance of rain in the morning, then rain
in the afternoon. Vsby 1 NM or less.
.MON NIGHT...W winds 25 to 30 kt, increasing to 30 to 35 kt after
midnight. Gusts up to 45 kt. Seas 7 to 10 ft. Wave Detail: SW
10 ft at 9 seconds and W 4 ft at 6 seconds.
.TUE...W winds 30 to 35 kt with gusts up to 45 kt. Seas 7 to
10 ft. Wave Detail: SW 10 ft at 10 seconds and W 5 ft at
6 seconds.
.TUE NIGHT...W winds 25 to 30 kt with gusts up to 35 kt. Seas
6 to 9 ft, subsiding to 5 to 7 ft after midnight. Wave Detail: SW
9 ft at 9 seconds and W 5 ft at 6 seconds, becoming SW 7 ft at
9 seconds and W 4 ft at 6 seconds.
.WED...W winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to
7 ft. Wave Detail: SW 7 ft at 8 seconds and W 3 ft at 5 seconds.
.WED NIGHT...W winds 20 to 25 kt with gusts up to 30 kt. Seas
5 to 7 ft. A chance of light freezing spray after midnight.
.THU...NW winds 15 to 20 kt. Seas 4 to 6 ft. A chance of light
freezing spray. A chance of snow.
.THU NIGHT...NW winds 10 to 15 kt. Seas 2 to 4 ft. A chance of
snow.
.FRI AND FRI NIGHT...W winds 10 to 15 kt. Seas 2 to 3 ft.
Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.
$$
ANZ237-291300-
Block Island Sound-
706 PM EST Sun Dec 28 2025
...GALE WARNING IN EFFECT FROM MONDAY AFTERNOON THROUGH WEDNESDAY
MORNING...
.TONIGHT...SW winds 10 to 15 kt, becoming S 15 to 20 kt after
midnight. Gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: S 4 ft
at 7 seconds and S 3 ft at 4 seconds. A chance of rain this
evening, then rain after midnight with vsby 1 to 3 NM.
.MON...SW winds 20 to 25 kt with gusts up to 35 kt. Seas 5 to
7 ft. Wave Detail: S 6 ft at 8 seconds and W 3 ft at 5 seconds. A
chance of rain in the morning, then rain in the afternoon. Patchy
fog in the morning. Vsby 1 NM or less.
.MON NIGHT...W winds 25 to 30 kt with gusts up to 45 kt. Seas
6 to 9 ft. Wave Detail: W 6 ft at 6 seconds and S 6 ft at
9 seconds.
.TUE...W winds 25 to 30 kt. Gusts up to 45 kt in the morning.
Seas 6 to 9 ft. Wave Detail: W 6 ft at 6 seconds and S 6 ft at
10 seconds.
.TUE NIGHT...W winds 25 to 30 kt with gusts up to 35 kt. Seas
5 to 8 ft. Wave Detail: W 6 ft at 6 seconds and S 4 ft at
9 seconds.
.WED AND WED NIGHT...W winds 20 to 25 kt with gusts up to 30 kt.
Seas 4 to 6 ft. Wave Detail: W 4 ft at 5 seconds and SW 4 ft at
8 seconds.
.THU...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
5 ft. A chance of snow.
.THU NIGHT...NW winds 10 to 15 kt. Seas 2 to 4 ft. A chance of
snow.
.FRI AND FRI NIGHT...W winds 10 to 15 kt. Gusts up to 20 kt. Seas
2 to 3 ft.
Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.
$$
ANZ230-291300-
Boston Harbor-
706 PM EST Sun Dec 28 2025
...GALE WARNING IN EFFECT FROM MONDAY EVENING THROUGH TUESDAY
EVENING...
.TONIGHT...SW winds 5 to 10 kt, becoming S 10 to 15 kt with gusts
up to 20 kt after midnight. Waves 1 foot or less, then around
2 ft after midnight. A chance of rain this evening, then rain
with a chance of freezing rain after midnight with vsby 1 NM or
less.
.MON...S winds 15 to 20 kt with gusts up to 25 kt. Waves around
2 ft. Rain. Patchy fog in the morning. Vsby 1 NM or less.
.MON NIGHT...W winds 20 to 25 kt. Gusts up to 30 kt, increasing
to 40 kt after midnight. Waves around 2 ft.
.TUE...W winds 25 to 30 kt. Gusts up to 45 kt in the morning.
Waves around 2 ft.
.TUE NIGHT AND WED...SW winds 25 to 30 kt. Waves around 2 ft.
.WED NIGHT...SW winds 15 to 20 kt, becoming W after midnight.
Waves around 2 ft.
.THU THROUGH FRI NIGHT...W winds 15 to 20 kt. Waves around 2 ft.
Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.
$$
ANZ236-291300-
Narragansett Bay-
706 PM EST Sun Dec 28 2025
...GALE WARNING IN EFFECT FROM MONDAY EVENING THROUGH TUESDAY
EVENING...
.TONIGHT...SW winds around 10 kt, becoming S 15 to 20 kt with
gusts up to 25 kt after midnight. Waves 2 to 3 ft. A chance of
rain this evening, then rain after midnight. Patchy fog after
midnight with vsby 1 NM or less.
.MON...SW winds 15 to 20 kt with gusts up to 30 kt. Waves 3 to
5 ft. A chance of rain in the morning, then rain in the
afternoon. Vsby 1 NM or less.
.MON NIGHT...W winds 15 to 20 kt, increasing to 20 to 25 kt after
midnight. Gusts up to 40 kt. Waves 3 to 5 ft.
.TUE...W winds 20 to 25 kt with gusts up to 35 kt. Waves 3 to
5 ft. Light freezing spray in the morning.
.TUE NIGHT...W winds 20 to 25 kt, diminishing to 15 to 20 kt
after midnight. Gusts up to 30 kt. Waves 3 to 5 ft. Light
freezing spray.
.WED AND WED NIGHT...W winds 15 to 20 kt with gusts up to 25 kt.
Waves 2 to 4 ft.
.THU...W winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to
3 ft.
.THU NIGHT...NW winds 5 to 10 kt. Waves around 2 ft. A chance of
snow.
.FRI AND FRI NIGHT...W winds 5 to 10 kt. Waves around 2 ft.
Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.
$$
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