FZUS51 KBOX 291807
CWFBOX
Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
106 PM EST Mon Dec 29 2025
Coastal waters from the Merrimack River MA to Watch Hill RI out
to 25 NM
ANZ200-300700-
106 PM EST Mon Dec 29 2025
.Synopsis for Massachusetts and Rhode Island coastal waters...
Areas of rain and fog are expected today. A strong cold front
crosses the region tonight. Strong westerly gale force wind gusts
along with much colder temperatures follow tonight into Tuesday
night along with pockets of freezing spray. A reinforcing cold front
crosses the waters Wed night into early Thu. This will be followed
by a ridge of high pres slowly building in from the west for the
weekend.
$$
ANZ250-300700-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
106 PM EST Mon Dec 29 2025
...GALE WARNING IN EFFECT FROM 7 PM EST THIS EVENING THROUGH
WEDNESDAY MORNING...
.THIS AFTERNOON...S winds 15 to 20 kt with gusts up to 25 kt.
Seas 4 to 5 ft. Wave Detail: SE 4 ft at 6 seconds and E 1 foot at
11 seconds. Patchy fog. Rain. Vsby 1 NM or less.
.TONIGHT...W winds 25 to 30 kt, increasing to 30 to 35 kt after
midnight. Seas 4 to 6 ft, building to 5 to 8 ft after midnight.
Wave Detail: S 5 ft at 6 seconds and E 1 foot at 11 seconds,
becoming W 7 ft at 6 seconds and SE 2 ft at 7 seconds. Patchy fog
in the evening. A chance of rain in the evening with vsby 1 to
3 NM.
.TUE...W winds 30 to 35 kt with gusts up to 45 kt. Seas 6 to
9 ft. Wave Detail: W 8 ft at 6 seconds and S 4 ft at 9 seconds.
.TUE NIGHT...W winds 25 to 30 kt. Gusts up to 45 kt in the
evening. Seas 6 to 9 ft, subsiding to 5 to 7 ft after midnight.
Wave Detail: W 8 ft at 7 seconds and SE 1 foot at 11 seconds,
becoming SW 7 ft at 7 seconds and SE 1 foot at 12 seconds.
.WED...W winds 20 to 25 kt, becoming SW 15 to 20 kt in the
afternoon. Gusts up to 30 kt. Seas 4 to 6 ft. Wave Detail: W 6 ft
at 6 seconds and S 1 foot at 10 seconds.
.WED NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas
3 to 5 ft. Wave Detail: W 5 ft at 5 seconds and S 1 foot at
8 seconds. A chance of snow. Vsby 1 to 3 NM after midnight.
.THU...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to
5 ft. A chance of light freezing spray. A chance of snow. Vsby
1 to 3 NM.
.THU NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas
3 to 5 ft. A chance of light freezing spray.
.FRI AND FRI NIGHT...W winds 15 to 20 kt. Seas 2 to 4 ft.
Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.
$$
ANZ251-300700-
Massachusetts Bay and Ipswich Bay-
106 PM EST Mon Dec 29 2025
...GALE WARNING IN EFFECT FROM 7 PM EST THIS EVENING THROUGH
WEDNESDAY MORNING...
.THIS AFTERNOON...SW winds 10 to 15 kt with gusts up to 20 kt.
Seas 3 to 4 ft. Wave Detail: SE 3 ft at 6 seconds and E 1 foot at
11 seconds. Patchy fog. Rain. Vsby 1 NM or less.
.TONIGHT...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: S 5 ft
at 6 seconds and E 1 foot at 11 seconds. Patchy fog in the
evening. A chance of rain in the evening.
.TUE...W winds 25 to 30 kt with gusts up to 45 kt. Seas 3 to
5 ft. Wave Detail: W 5 ft at 5 seconds and SW 3 ft at 8 seconds.
.TUE NIGHT...W winds 25 to 30 kt, diminishing to 20 to 25 kt
after midnight. Gusts up to 40 kt. Seas 3 to 5 ft. Wave Detail: W
5 ft at 5 seconds and SW 3 ft at 8 seconds.
.WED...SW winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. Seas 2 to 4 ft. Wave Detail: W 4 ft at 4 seconds and
SW 2 ft at 9 seconds.
.WED NIGHT...SW winds 15 to 20 kt. Seas 2 to 3 ft. Wave Detail:
SW 3 ft at 3 seconds and S 2 ft at 8 seconds. A chance of snow.
.THU...NW winds 15 to 20 kt. Seas 2 to 4 ft. A chance of light
freezing spray. A chance of snow.
.THU NIGHT...W winds 15 to 20 kt. Seas 2 to 3 ft. A chance of
light freezing spray.
.FRI AND 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.
$$
ANZ231-300700-
Cape Cod Bay-
106 PM EST Mon Dec 29 2025
...GALE WARNING IN EFFECT FROM 7 PM EST THIS EVENING THROUGH
WEDNESDAY MORNING...
.THIS AFTERNOON...SW winds around 15 kt with gusts up to 25 kt.
Seas 3 to 4 ft. Wave Detail: SW 3 ft at 4 seconds and SE 3 ft at
7 seconds. Patchy fog. Rain. Vsby 1 NM or less.
.TONIGHT...W winds 20 to 25 kt with gusts up to 30 kt, increasing
to 25 to 30 kt with gusts up to 40 kt after midnight. Seas 3 to
5 ft. Wave Detail: W 5 ft at 5 seconds and S 3 ft at 8 seconds.
Patchy fog in the evening. A chance of rain in the evening with
vsby 1 to 3 NM.
.TUE...W winds 25 to 30 kt with gusts up to 45 kt. Seas 3 to
5 ft. Wave Detail: W 5 ft at 5 seconds and SW 3 ft at 9 seconds.
.TUE NIGHT...W winds 25 to 30 kt, diminishing to 20 to 25 kt
after midnight. Gusts up to 40 kt. Seas 3 to 5 ft. Wave Detail: W
5 ft at 5 seconds and SW 3 ft at 9 seconds.
.WED...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to
4 ft. Wave Detail: W 4 ft at 5 seconds and SW 2 ft at 9 seconds.
.WED NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 3 ft. Wave Detail: W 3 ft at 4 seconds and SW 2 ft at
8 seconds. A chance of snow in the evening, then snow likely
after midnight with vsby 1 to 3 NM.
.THU...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to
3 ft. A chance of snow.
.THU NIGHT THROUGH FRI NIGHT...W winds 10 to 15 kt with gusts up
to 20 kt. Seas 2 to 3 ft.
Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.
$$
ANZ254-300700-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
106 PM EST Mon Dec 29 2025
...GALE WARNING IN EFFECT FROM 7 PM EST THIS EVENING THROUGH
WEDNESDAY MORNING...
.THIS AFTERNOON...SW winds 15 to 20 kt with gusts up to 30 kt.
Seas 5 to 8 ft. Wave Detail: S 7 ft at 7 seconds and SW 2 ft at
4 seconds. Patchy fog. Rain. Vsby 1 NM or less.
.TONIGHT...W winds 25 to 30 kt, increasing to 30 to 35 kt after
midnight. Seas 7 to 10 ft. S and E of Nantucket, seas 10 to
14 ft, building to 12 to 16 ft after midnight. Wave Detail: S
7 ft at 9 seconds and W 6 ft at 6 seconds. Patchy fog in the
evening. Rain in the evening with vsby 1 NM or less.
.TUE...W winds 25 to 30 kt with gusts up to 45 kt. Seas 7 to
10 ft, except 12 to 16 ft S and E of Nantucket. Wave Detail: W
7 ft at 6 seconds and S 6 ft at 10 seconds.
.TUE NIGHT...W winds 25 to 30 kt with gusts up to 40 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 4 ft at 10 seconds.
.WED...W winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. Seas 5 to 7 ft. Wave Detail: W 6 ft at 6 seconds and S
4 ft at 9 seconds. A chance of snow in the afternoon.
.WED NIGHT...W winds 15 to 20 kt. Seas 4 to 6 ft, except 7 to
10 ft S and E of Nantucket. Wave Detail: S 5 ft at 8 seconds and
W 4 ft at 5 seconds. A chance of snow and rain in the evening,
then snow and rain likely after midnight with vsby 1 NM or less.
.THU...NW winds 15 to 20 kt. Seas 5 to 7 ft. A chance of snow.
Vsby 1 NM or less.
.THU NIGHT AND FRI...W winds 15 to 20 kt. Seas 3 to 5 ft.
.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.
$$
ANZ255-300700-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
106 PM EST Mon Dec 29 2025
...GALE WARNING IN EFFECT THROUGH WEDNESDAY MORNING...
.THIS AFTERNOON...SW winds around 20 kt with gusts up to 30 kt.
Seas 8 to 11 ft. Wave Detail: SW 11 ft at 8 seconds and SW 2 ft
at 4 seconds. Patchy fog. Rain. Vsby 1 NM or less.
.TONIGHT...W winds 25 to 35 kt, increasing to 35 to 40 kt after
midnight. Seas 9 to 13 ft, building to 11 to 15 ft after
midnight. Wave Detail: SW 13 ft at 9 seconds and W 3 ft at
5 seconds, becoming SW 15 ft at 10 seconds and W 3 ft at
5 seconds. Patchy fog in the evening. Rain likely in the evening
with vsby 1 NM or less.
.TUE...W winds 30 to 35 kt with gusts up to 45 kt. Seas 11 to
15 ft. Wave Detail: SW 15 ft at 10 seconds and W 3 ft at
6 seconds.
.TUE NIGHT...W winds 30 to 35 kt, becoming 25 to 35 kt after
midnight. Gusts up to 45 kt. Seas 10 to 14 ft. Wave Detail: W
14 ft at 9 seconds and W 3 ft at 6 seconds.
.WED...W winds 25 to 30 kt, diminishing to 20 to 25 kt in the
afternoon. Seas 7 to 10 ft. Wave Detail: W 10 ft at 8 seconds and
W 2 ft at 5 seconds. A chance of snow. A chance of rain in the
afternoon.
.WED NIGHT...W winds 20 to 25 kt. Seas 7 to 10 ft. Wave Detail:
SW 10 ft at 8 seconds and W 2 ft at 5 seconds. A chance of rain
and snow in the evening, then rain and snow likely after midnight
with vsby 1 NM or less.
.THU...NW winds 20 to 25 kt. Seas 6 to 9 ft. A chance of snow.
Vsby 1 NM or less.
.THU NIGHT...NW winds 20 to 25 kt. Seas 4 to 6 ft. A chance of
light freezing spray.
.FRI AND FRI NIGHT...W winds 15 to 20 kt with gusts up to 25 kt.
Seas 3 to 5 ft.
Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.
$$
ANZ256-300700-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
106 PM EST Mon Dec 29 2025
...GALE WARNING IN EFFECT THROUGH WEDNESDAY MORNING...
.THIS AFTERNOON...SW winds 20 to 25 kt with gusts up to 35 kt.
Seas 8 to 11 ft. Wave Detail: SW 11 ft at 8 seconds and SW 2 ft
at 4 seconds. Patchy fog. Rain. Vsby 1 NM or less.
.TONIGHT...W winds 25 to 35 kt, increasing to 35 to 40 kt after
midnight. Seas 9 to 13 ft, building to 11 to 14 ft after
midnight. Wave Detail: SW 13 ft at 9 seconds and W 4 ft at
6 seconds, becoming SW 14 ft at 9 seconds and NW 4 ft at
6 seconds.
.TUE...W winds 30 to 35 kt with gusts up to 45 kt. Seas 10 to
14 ft. Wave Detail: SW 14 ft at 9 seconds and NW 4 ft at
6 seconds.
.TUE NIGHT...W winds 30 to 35 kt, diminishing to 25 to 30 kt
after midnight. Gusts up to 45 kt. Seas 9 to 12 ft. Wave Detail:
SW 11 ft at 9 seconds and NW 5 ft at 6 seconds.
.WED...W winds 20 to 25 kt with gusts up to 30 kt. Seas 6 to
9 ft. Wave Detail: SW 8 ft at 8 seconds and W 3 ft at 5 seconds.
A chance of snow.
.WED NIGHT...W winds 20 to 25 kt with gusts up to 30 kt. Seas
6 to 9 ft. Wave Detail: W 9 ft at 6 seconds and E 1 foot at
12 seconds. A chance of rain. A chance of snow in the evening,
then snow likely after midnight with vsby 1 NM or less.
.THU...NW winds 20 to 25 kt with gusts up to 30 kt. Seas 6 to
9 ft. A chance of snow. Vsby 1 NM or less.
.THU NIGHT AND FRI...W winds 15 to 20 kt with gusts up to 25 kt.
Seas 4 to 6 ft.
.FRI NIGHT...W winds 15 to 20 kt with gusts up to 25 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.
$$
ANZ232-300700-
Nantucket Sound-
106 PM EST Mon Dec 29 2025
...GALE WARNING IN EFFECT THROUGH WEDNESDAY MORNING...
.THIS AFTERNOON...SW winds 15 to 20 kt with gusts up to 25 kt.
Seas 4 to 6 ft. Wave Detail: SW 4 ft at 4 seconds and SW 4 ft at
8 seconds. Patchy fog. Rain. Vsby 1 NM or less.
.TONIGHT...W winds 25 to 30 kt with gusts up to 40 kt. Seas 5 to
7 ft. Wave Detail: W 6 ft at 5 seconds and SW 3 ft at 9 seconds.
Patchy fog in the evening. A chance of rain in the evening with
vsby 1 NM or less.
.TUE...W winds 25 to 30 kt with gusts up to 40 kt. Seas 5 to
7 ft. Wave Detail: W 6 ft at 5 seconds and SW 3 ft at 10 seconds.
.TUE NIGHT...W winds 25 to 30 kt with gusts up to 40 kt. Seas
5 to 7 ft. Wave Detail: W 6 ft at 5 seconds and SW 3 ft at
10 seconds.
.WED...W winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. Seas 4 to 6 ft. Wave Detail: W 4 ft at 5 seconds and
SW 3 ft at 9 seconds. A chance of snow in the afternoon.
.WED NIGHT...W winds 15 to 20 kt. Seas 3 to 5 ft. Wave Detail: W
3 ft at 4 seconds and SW 3 ft at 8 seconds. A chance of snow in
the evening. Snow likely after midnight with vsby 1 NM or less.
.THU...NW winds 15 to 20 kt. Seas 3 to 5 ft. A chance of snow.
Vsby 1 NM or less.
.THU NIGHT...NW winds 15 to 20 kt. Seas 2 to 4 ft. A chance of
light freezing spray.
.FRI AND FRI NIGHT...W winds 10 to 15 kt with gusts up to 20 kt.
Seas 2 to 3 ft.
Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.
$$
ANZ233-300700-
Vineyard Sound-
106 PM EST Mon Dec 29 2025
...GALE WARNING IN EFFECT THROUGH WEDNESDAY MORNING...
.THIS AFTERNOON...SW 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 SW 2 ft at
4 seconds. Patchy fog. Rain. Vsby 1 NM or less.
.TONIGHT...W winds 25 to 30 kt, increasing to 30 to 35 kt after
midnight. Seas 6 to 9 ft. Wave Detail: SW 9 ft at 9 seconds and W
3 ft at 5 seconds. A chance of rain in the evening.
.TUE...W winds 25 to 30 kt with gusts up to 45 kt. Seas 6 to
9 ft. Wave Detail: SW 9 ft at 9 seconds and W 3 ft at 5 seconds.
.TUE 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 4 ft at
6 seconds.
.WED...W winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. Seas 4 to 6 ft. Wave Detail: SW 6 ft at 8 seconds and
W 2 ft at 5 seconds.
.WED NIGHT...W winds 15 to 20 kt, increasing to 20 to 25 kt after
midnight. Seas 4 to 6 ft. Wave Detail: SW 6 ft at 6 seconds and E
1 foot at 12 seconds. A chance of snow in the evening, then snow
likely with a chance of rain after midnight with vsby 1 to 3 NM.
.THU...NW 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...NW winds 15 to 20 kt. Seas 2 to 4 ft. A chance of
light freezing spray.
.FRI AND 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.
$$
ANZ234-300700-
Buzzards Bay-
106 PM EST Mon Dec 29 2025
...GALE WARNING IN EFFECT THROUGH WEDNESDAY MORNING...
.THIS AFTERNOON...SW winds 15 to 20 kt with gusts up to 30 kt.
Seas 4 to 6 ft. Wave Detail: SW 6 ft at 8 seconds and SW 3 ft at
4 seconds. Patchy fog. Rain. Vsby 1 NM or less.
.TONIGHT...W winds 25 to 30 kt with gusts up to 40 kt. Seas 4 to
6 ft. Wave Detail: SW 6 ft at 9 seconds and W 4 ft at 5 seconds.
A chance of rain in the evening.
.TUE...W winds 25 to 30 kt with gusts up to 40 kt. Seas 4 to
6 ft. Wave Detail: SW 6 ft at 9 seconds and W 4 ft at 5 seconds.
.TUE NIGHT...W winds 25 to 30 kt with gusts up to 40 kt. Seas
4 to 6 ft. Wave Detail: SW 6 ft at 7 seconds and SE 1 foot at
12 seconds.
.WED...W winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. Seas 2 to 4 ft. Wave Detail: SW 4 ft at 8 seconds and
W 3 ft at 5 seconds.
.WED NIGHT...W winds 15 to 20 kt. Seas 3 to 5 ft. Wave Detail: SW
5 ft at 6 seconds and E 1 foot at 12 seconds. A chance of snow.
Vsby 1 to 3 NM after midnight.
.THU...NW winds 15 to 20 kt. Seas 2 to 4 ft. A chance of snow.
.THU NIGHT THROUGH FRI NIGHT...W winds 15 to 20 kt. Seas 2 to
3 ft.
Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.
$$
ANZ235-300700-
Rhode Island Sound-
106 PM EST Mon Dec 29 2025
...GALE WARNING IN EFFECT THROUGH WEDNESDAY MORNING...
.THIS AFTERNOON...SW winds 20 to 25 kt with gusts up to 35 kt.
Seas 6 to 9 ft. Wave Detail: SW 9 ft at 8 seconds and SW 2 ft at
4 seconds. Patchy fog. Rain. Vsby 1 NM or less.
.TONIGHT...W winds 25 to 35 kt, becoming 30 to 35 kt after
midnight. Seas 8 to 11 ft. Wave Detail: SW 11 ft at 9 seconds and
W 5 ft at 6 seconds.
.TUE...W winds 30 to 35 kt, diminishing to 25 to 30 kt in the
afternoon. Gusts up to 45 kt. Seas 8 to 11 ft. Wave Detail: SW
11 ft at 10 seconds and W 5 ft at 6 seconds.
.TUE NIGHT...W winds 25 to 30 kt with gusts up to 40 kt. Seas
6 to 9 ft. Wave Detail: SW 9 ft at 9 seconds and W 5 ft at
6 seconds.
.WED...W winds 20 to 25 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. Seas 5 to 7 ft. Wave Detail: SW
7 ft at 6 seconds and E 1 foot at 12 seconds. A chance of snow. A
chance of rain after midnight with vsby 1 to 3 NM.
.THU...NW winds 20 to 25 kt. Seas 4 to 6 ft. A chance of light
freezing spray. A chance of snow.
.THU NIGHT...NW winds 15 to 20 kt. Seas 2 to 4 ft. A chance of
light freezing spray.
.FRI AND FRI NIGHT...W winds 15 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.
$$
ANZ237-300700-
Block Island Sound-
106 PM EST Mon Dec 29 2025
...GALE WARNING IN EFFECT THROUGH WEDNESDAY MORNING...
.THIS AFTERNOON...SW winds 20 to 25 kt with gusts up to 35 kt.
Seas 5 to 7 ft. Wave Detail: S 6 ft at 8 seconds and W 4 ft at
5 seconds. Patchy fog. Rain. Vsby 1 NM or less.
.TONIGHT...W winds 25 to 35 kt, becoming 30 to 35 kt after
midnight. Gusts up to 45 kt. Seas 7 to 10 ft. Wave Detail: W 7 ft
at 6 seconds and S 6 ft at 9 seconds.
.TUE...W winds 25 to 35 kt with gusts up to 45 kt. Seas 6 to
9 ft. Wave Detail: W 7 ft at 6 seconds and S 6 ft at 10 seconds.
.TUE NIGHT...W winds 25 to 30 kt with gusts up to 40 kt. Seas
5 to 8 ft. Wave Detail: W 6 ft at 6 seconds and S 4 ft at
9 seconds.
.WED...W winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to
5 ft. Wave Detail: W 4 ft at 5 seconds and SW 4 ft at 8 seconds.
.WED NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas
4 to 6 ft. Wave Detail: W 4 ft at 5 seconds and S 4 ft at
8 seconds. A chance of snow.
.THU...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to
5 ft. A chance of snow.
.THU NIGHT THROUGH FRI NIGHT...W winds 10 to 15 kt with gusts up
to 20 kt. Seas 2 to 4 ft.
Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.
$$
ANZ230-300700-
Boston Harbor-
106 PM EST Mon Dec 29 2025
...GALE WARNING IN EFFECT FROM 7 PM EST THIS EVENING THROUGH LATE
TUESDAY NIGHT...
.THIS AFTERNOON...SW winds 10 to 15 kt with gusts up to 20 kt.
Waves around 2 ft. Patchy fog. Rain. Vsby 1 NM or less.
.TONIGHT...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. Waves
around 2 ft.
.TUE...W winds 25 to 30 kt with gusts up to 45 kt. Waves around
2 ft.
.TUE NIGHT...W winds 20 to 25 kt with gusts up to 35 kt. Waves
around 2 ft.
.WED...SW winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. Gusts up to 25 kt. Waves around 2 ft.
.WED NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt after
midnight. Waves around 2 ft. A chance of snow.
.THU...W winds around 15 kt with gusts up to 20 kt. Waves around
2 ft. A chance of snow.
.THU NIGHT THROUGH FRI NIGHT...W winds 10 to 15 kt with gusts up
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.
$$
ANZ236-300700-
Narragansett Bay-
106 PM EST Mon Dec 29 2025
...GALE WARNING IN EFFECT FROM 7 PM EST THIS EVENING THROUGH LATE
TUESDAY NIGHT...
.THIS AFTERNOON...SW winds 10 to 15 kt with gusts up to 30 kt.
Waves 3 to 5 ft. Patchy fog. Rain. Vsby 1 NM or less.
.TONIGHT...W winds 20 to 25 kt with gusts up to 35 kt. Waves 4 to
6 ft.
.TUE...W winds 20 to 25 kt with gusts up to 40 kt. Waves 4 to
6 ft.
.TUE NIGHT...W winds 15 to 20 kt with gusts up to 35 kt. Waves
3 to 5 ft.
.WED...W winds 15 to 20 kt, becoming SW 10 to 15 kt in the
afternoon. Gusts up to 25 kt. Waves 2 to 4 ft.
.WED NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Waves
2 to 4 ft. A chance of snow.
.THU...NW winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to
3 ft. A chance of snow.
.THU NIGHT THROUGH FRI NIGHT...W winds 10 to 15 kt with gusts up
to 20 kt. Waves 2 to 3 ft.
Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.
$$
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CWFBOX
Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
106 PM EST Mon Dec 29 2025
Coastal waters from the Merrimack River MA to Watch Hill RI out
to 25 NM
ANZ200-300700-
106 PM EST Mon Dec 29 2025
.Synopsis for Massachusetts and Rhode Island coastal waters...
Areas of rain and fog are expected today. A strong cold front
crosses the region tonight. Strong westerly gale force wind gusts
along with much colder temperatures follow tonight into Tuesday
night along with pockets of freezing spray. A reinforcing cold front
crosses the waters Wed night into early Thu. This will be followed
by a ridge of high pres slowly building in from the west for the
weekend.
$$
ANZ250-300700-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
106 PM EST Mon Dec 29 2025
...GALE WARNING IN EFFECT FROM 7 PM EST THIS EVENING THROUGH
WEDNESDAY MORNING...
.THIS AFTERNOON...S winds 15 to 20 kt with gusts up to 25 kt.
Seas 4 to 5 ft. Wave Detail: SE 4 ft at 6 seconds and E 1 foot at
11 seconds. Patchy fog. Rain. Vsby 1 NM or less.
.TONIGHT...W winds 25 to 30 kt, increasing to 30 to 35 kt after
midnight. Seas 4 to 6 ft, building to 5 to 8 ft after midnight.
Wave Detail: S 5 ft at 6 seconds and E 1 foot at 11 seconds,
becoming W 7 ft at 6 seconds and SE 2 ft at 7 seconds. Patchy fog
in the evening. A chance of rain in the evening with vsby 1 to
3 NM.
.TUE...W winds 30 to 35 kt with gusts up to 45 kt. Seas 6 to
9 ft. Wave Detail: W 8 ft at 6 seconds and S 4 ft at 9 seconds.
.TUE NIGHT...W winds 25 to 30 kt. Gusts up to 45 kt in the
evening. Seas 6 to 9 ft, subsiding to 5 to 7 ft after midnight.
Wave Detail: W 8 ft at 7 seconds and SE 1 foot at 11 seconds,
becoming SW 7 ft at 7 seconds and SE 1 foot at 12 seconds.
.WED...W winds 20 to 25 kt, becoming SW 15 to 20 kt in the
afternoon. Gusts up to 30 kt. Seas 4 to 6 ft. Wave Detail: W 6 ft
at 6 seconds and S 1 foot at 10 seconds.
.WED NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas
3 to 5 ft. Wave Detail: W 5 ft at 5 seconds and S 1 foot at
8 seconds. A chance of snow. Vsby 1 to 3 NM after midnight.
.THU...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to
5 ft. A chance of light freezing spray. A chance of snow. Vsby
1 to 3 NM.
.THU NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas
3 to 5 ft. A chance of light freezing spray.
.FRI AND FRI NIGHT...W winds 15 to 20 kt. Seas 2 to 4 ft.
Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.
$$
ANZ251-300700-
Massachusetts Bay and Ipswich Bay-
106 PM EST Mon Dec 29 2025
...GALE WARNING IN EFFECT FROM 7 PM EST THIS EVENING THROUGH
WEDNESDAY MORNING...
.THIS AFTERNOON...SW winds 10 to 15 kt with gusts up to 20 kt.
Seas 3 to 4 ft. Wave Detail: SE 3 ft at 6 seconds and E 1 foot at
11 seconds. Patchy fog. Rain. Vsby 1 NM or less.
.TONIGHT...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: S 5 ft
at 6 seconds and E 1 foot at 11 seconds. Patchy fog in the
evening. A chance of rain in the evening.
.TUE...W winds 25 to 30 kt with gusts up to 45 kt. Seas 3 to
5 ft. Wave Detail: W 5 ft at 5 seconds and SW 3 ft at 8 seconds.
.TUE NIGHT...W winds 25 to 30 kt, diminishing to 20 to 25 kt
after midnight. Gusts up to 40 kt. Seas 3 to 5 ft. Wave Detail: W
5 ft at 5 seconds and SW 3 ft at 8 seconds.
.WED...SW winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. Seas 2 to 4 ft. Wave Detail: W 4 ft at 4 seconds and
SW 2 ft at 9 seconds.
.WED NIGHT...SW winds 15 to 20 kt. Seas 2 to 3 ft. Wave Detail:
SW 3 ft at 3 seconds and S 2 ft at 8 seconds. A chance of snow.
.THU...NW winds 15 to 20 kt. Seas 2 to 4 ft. A chance of light
freezing spray. A chance of snow.
.THU NIGHT...W winds 15 to 20 kt. Seas 2 to 3 ft. A chance of
light freezing spray.
.FRI AND 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.
$$
ANZ231-300700-
Cape Cod Bay-
106 PM EST Mon Dec 29 2025
...GALE WARNING IN EFFECT FROM 7 PM EST THIS EVENING THROUGH
WEDNESDAY MORNING...
.THIS AFTERNOON...SW winds around 15 kt with gusts up to 25 kt.
Seas 3 to 4 ft. Wave Detail: SW 3 ft at 4 seconds and SE 3 ft at
7 seconds. Patchy fog. Rain. Vsby 1 NM or less.
.TONIGHT...W winds 20 to 25 kt with gusts up to 30 kt, increasing
to 25 to 30 kt with gusts up to 40 kt after midnight. Seas 3 to
5 ft. Wave Detail: W 5 ft at 5 seconds and S 3 ft at 8 seconds.
Patchy fog in the evening. A chance of rain in the evening with
vsby 1 to 3 NM.
.TUE...W winds 25 to 30 kt with gusts up to 45 kt. Seas 3 to
5 ft. Wave Detail: W 5 ft at 5 seconds and SW 3 ft at 9 seconds.
.TUE NIGHT...W winds 25 to 30 kt, diminishing to 20 to 25 kt
after midnight. Gusts up to 40 kt. Seas 3 to 5 ft. Wave Detail: W
5 ft at 5 seconds and SW 3 ft at 9 seconds.
.WED...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to
4 ft. Wave Detail: W 4 ft at 5 seconds and SW 2 ft at 9 seconds.
.WED NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 3 ft. Wave Detail: W 3 ft at 4 seconds and SW 2 ft at
8 seconds. A chance of snow in the evening, then snow likely
after midnight with vsby 1 to 3 NM.
.THU...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to
3 ft. A chance of snow.
.THU NIGHT THROUGH FRI NIGHT...W winds 10 to 15 kt with gusts up
to 20 kt. Seas 2 to 3 ft.
Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.
$$
ANZ254-300700-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
106 PM EST Mon Dec 29 2025
...GALE WARNING IN EFFECT FROM 7 PM EST THIS EVENING THROUGH
WEDNESDAY MORNING...
.THIS AFTERNOON...SW winds 15 to 20 kt with gusts up to 30 kt.
Seas 5 to 8 ft. Wave Detail: S 7 ft at 7 seconds and SW 2 ft at
4 seconds. Patchy fog. Rain. Vsby 1 NM or less.
.TONIGHT...W winds 25 to 30 kt, increasing to 30 to 35 kt after
midnight. Seas 7 to 10 ft. S and E of Nantucket, seas 10 to
14 ft, building to 12 to 16 ft after midnight. Wave Detail: S
7 ft at 9 seconds and W 6 ft at 6 seconds. Patchy fog in the
evening. Rain in the evening with vsby 1 NM or less.
.TUE...W winds 25 to 30 kt with gusts up to 45 kt. Seas 7 to
10 ft, except 12 to 16 ft S and E of Nantucket. Wave Detail: W
7 ft at 6 seconds and S 6 ft at 10 seconds.
.TUE NIGHT...W winds 25 to 30 kt with gusts up to 40 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 4 ft at 10 seconds.
.WED...W winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. Seas 5 to 7 ft. Wave Detail: W 6 ft at 6 seconds and S
4 ft at 9 seconds. A chance of snow in the afternoon.
.WED NIGHT...W winds 15 to 20 kt. Seas 4 to 6 ft, except 7 to
10 ft S and E of Nantucket. Wave Detail: S 5 ft at 8 seconds and
W 4 ft at 5 seconds. A chance of snow and rain in the evening,
then snow and rain likely after midnight with vsby 1 NM or less.
.THU...NW winds 15 to 20 kt. Seas 5 to 7 ft. A chance of snow.
Vsby 1 NM or less.
.THU NIGHT AND FRI...W winds 15 to 20 kt. Seas 3 to 5 ft.
.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.
$$
ANZ255-300700-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
106 PM EST Mon Dec 29 2025
...GALE WARNING IN EFFECT THROUGH WEDNESDAY MORNING...
.THIS AFTERNOON...SW winds around 20 kt with gusts up to 30 kt.
Seas 8 to 11 ft. Wave Detail: SW 11 ft at 8 seconds and SW 2 ft
at 4 seconds. Patchy fog. Rain. Vsby 1 NM or less.
.TONIGHT...W winds 25 to 35 kt, increasing to 35 to 40 kt after
midnight. Seas 9 to 13 ft, building to 11 to 15 ft after
midnight. Wave Detail: SW 13 ft at 9 seconds and W 3 ft at
5 seconds, becoming SW 15 ft at 10 seconds and W 3 ft at
5 seconds. Patchy fog in the evening. Rain likely in the evening
with vsby 1 NM or less.
.TUE...W winds 30 to 35 kt with gusts up to 45 kt. Seas 11 to
15 ft. Wave Detail: SW 15 ft at 10 seconds and W 3 ft at
6 seconds.
.TUE NIGHT...W winds 30 to 35 kt, becoming 25 to 35 kt after
midnight. Gusts up to 45 kt. Seas 10 to 14 ft. Wave Detail: W
14 ft at 9 seconds and W 3 ft at 6 seconds.
.WED...W winds 25 to 30 kt, diminishing to 20 to 25 kt in the
afternoon. Seas 7 to 10 ft. Wave Detail: W 10 ft at 8 seconds and
W 2 ft at 5 seconds. A chance of snow. A chance of rain in the
afternoon.
.WED NIGHT...W winds 20 to 25 kt. Seas 7 to 10 ft. Wave Detail:
SW 10 ft at 8 seconds and W 2 ft at 5 seconds. A chance of rain
and snow in the evening, then rain and snow likely after midnight
with vsby 1 NM or less.
.THU...NW winds 20 to 25 kt. Seas 6 to 9 ft. A chance of snow.
Vsby 1 NM or less.
.THU NIGHT...NW winds 20 to 25 kt. Seas 4 to 6 ft. A chance of
light freezing spray.
.FRI AND FRI NIGHT...W winds 15 to 20 kt with gusts up to 25 kt.
Seas 3 to 5 ft.
Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.
$$
ANZ256-300700-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
106 PM EST Mon Dec 29 2025
...GALE WARNING IN EFFECT THROUGH WEDNESDAY MORNING...
.THIS AFTERNOON...SW winds 20 to 25 kt with gusts up to 35 kt.
Seas 8 to 11 ft. Wave Detail: SW 11 ft at 8 seconds and SW 2 ft
at 4 seconds. Patchy fog. Rain. Vsby 1 NM or less.
.TONIGHT...W winds 25 to 35 kt, increasing to 35 to 40 kt after
midnight. Seas 9 to 13 ft, building to 11 to 14 ft after
midnight. Wave Detail: SW 13 ft at 9 seconds and W 4 ft at
6 seconds, becoming SW 14 ft at 9 seconds and NW 4 ft at
6 seconds.
.TUE...W winds 30 to 35 kt with gusts up to 45 kt. Seas 10 to
14 ft. Wave Detail: SW 14 ft at 9 seconds and NW 4 ft at
6 seconds.
.TUE NIGHT...W winds 30 to 35 kt, diminishing to 25 to 30 kt
after midnight. Gusts up to 45 kt. Seas 9 to 12 ft. Wave Detail:
SW 11 ft at 9 seconds and NW 5 ft at 6 seconds.
.WED...W winds 20 to 25 kt with gusts up to 30 kt. Seas 6 to
9 ft. Wave Detail: SW 8 ft at 8 seconds and W 3 ft at 5 seconds.
A chance of snow.
.WED NIGHT...W winds 20 to 25 kt with gusts up to 30 kt. Seas
6 to 9 ft. Wave Detail: W 9 ft at 6 seconds and E 1 foot at
12 seconds. A chance of rain. A chance of snow in the evening,
then snow likely after midnight with vsby 1 NM or less.
.THU...NW winds 20 to 25 kt with gusts up to 30 kt. Seas 6 to
9 ft. A chance of snow. Vsby 1 NM or less.
.THU NIGHT AND FRI...W winds 15 to 20 kt with gusts up to 25 kt.
Seas 4 to 6 ft.
.FRI NIGHT...W winds 15 to 20 kt with gusts up to 25 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.
$$
ANZ232-300700-
Nantucket Sound-
106 PM EST Mon Dec 29 2025
...GALE WARNING IN EFFECT THROUGH WEDNESDAY MORNING...
.THIS AFTERNOON...SW winds 15 to 20 kt with gusts up to 25 kt.
Seas 4 to 6 ft. Wave Detail: SW 4 ft at 4 seconds and SW 4 ft at
8 seconds. Patchy fog. Rain. Vsby 1 NM or less.
.TONIGHT...W winds 25 to 30 kt with gusts up to 40 kt. Seas 5 to
7 ft. Wave Detail: W 6 ft at 5 seconds and SW 3 ft at 9 seconds.
Patchy fog in the evening. A chance of rain in the evening with
vsby 1 NM or less.
.TUE...W winds 25 to 30 kt with gusts up to 40 kt. Seas 5 to
7 ft. Wave Detail: W 6 ft at 5 seconds and SW 3 ft at 10 seconds.
.TUE NIGHT...W winds 25 to 30 kt with gusts up to 40 kt. Seas
5 to 7 ft. Wave Detail: W 6 ft at 5 seconds and SW 3 ft at
10 seconds.
.WED...W winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. Seas 4 to 6 ft. Wave Detail: W 4 ft at 5 seconds and
SW 3 ft at 9 seconds. A chance of snow in the afternoon.
.WED NIGHT...W winds 15 to 20 kt. Seas 3 to 5 ft. Wave Detail: W
3 ft at 4 seconds and SW 3 ft at 8 seconds. A chance of snow in
the evening. Snow likely after midnight with vsby 1 NM or less.
.THU...NW winds 15 to 20 kt. Seas 3 to 5 ft. A chance of snow.
Vsby 1 NM or less.
.THU NIGHT...NW winds 15 to 20 kt. Seas 2 to 4 ft. A chance of
light freezing spray.
.FRI AND FRI NIGHT...W winds 10 to 15 kt with gusts up to 20 kt.
Seas 2 to 3 ft.
Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.
$$
ANZ233-300700-
Vineyard Sound-
106 PM EST Mon Dec 29 2025
...GALE WARNING IN EFFECT THROUGH WEDNESDAY MORNING...
.THIS AFTERNOON...SW 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 SW 2 ft at
4 seconds. Patchy fog. Rain. Vsby 1 NM or less.
.TONIGHT...W winds 25 to 30 kt, increasing to 30 to 35 kt after
midnight. Seas 6 to 9 ft. Wave Detail: SW 9 ft at 9 seconds and W
3 ft at 5 seconds. A chance of rain in the evening.
.TUE...W winds 25 to 30 kt with gusts up to 45 kt. Seas 6 to
9 ft. Wave Detail: SW 9 ft at 9 seconds and W 3 ft at 5 seconds.
.TUE 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 4 ft at
6 seconds.
.WED...W winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. Seas 4 to 6 ft. Wave Detail: SW 6 ft at 8 seconds and
W 2 ft at 5 seconds.
.WED NIGHT...W winds 15 to 20 kt, increasing to 20 to 25 kt after
midnight. Seas 4 to 6 ft. Wave Detail: SW 6 ft at 6 seconds and E
1 foot at 12 seconds. A chance of snow in the evening, then snow
likely with a chance of rain after midnight with vsby 1 to 3 NM.
.THU...NW 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...NW winds 15 to 20 kt. Seas 2 to 4 ft. A chance of
light freezing spray.
.FRI AND 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.
$$
ANZ234-300700-
Buzzards Bay-
106 PM EST Mon Dec 29 2025
...GALE WARNING IN EFFECT THROUGH WEDNESDAY MORNING...
.THIS AFTERNOON...SW winds 15 to 20 kt with gusts up to 30 kt.
Seas 4 to 6 ft. Wave Detail: SW 6 ft at 8 seconds and SW 3 ft at
4 seconds. Patchy fog. Rain. Vsby 1 NM or less.
.TONIGHT...W winds 25 to 30 kt with gusts up to 40 kt. Seas 4 to
6 ft. Wave Detail: SW 6 ft at 9 seconds and W 4 ft at 5 seconds.
A chance of rain in the evening.
.TUE...W winds 25 to 30 kt with gusts up to 40 kt. Seas 4 to
6 ft. Wave Detail: SW 6 ft at 9 seconds and W 4 ft at 5 seconds.
.TUE NIGHT...W winds 25 to 30 kt with gusts up to 40 kt. Seas
4 to 6 ft. Wave Detail: SW 6 ft at 7 seconds and SE 1 foot at
12 seconds.
.WED...W winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. Seas 2 to 4 ft. Wave Detail: SW 4 ft at 8 seconds and
W 3 ft at 5 seconds.
.WED NIGHT...W winds 15 to 20 kt. Seas 3 to 5 ft. Wave Detail: SW
5 ft at 6 seconds and E 1 foot at 12 seconds. A chance of snow.
Vsby 1 to 3 NM after midnight.
.THU...NW winds 15 to 20 kt. Seas 2 to 4 ft. A chance of snow.
.THU NIGHT THROUGH FRI NIGHT...W winds 15 to 20 kt. Seas 2 to
3 ft.
Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.
$$
ANZ235-300700-
Rhode Island Sound-
106 PM EST Mon Dec 29 2025
...GALE WARNING IN EFFECT THROUGH WEDNESDAY MORNING...
.THIS AFTERNOON...SW winds 20 to 25 kt with gusts up to 35 kt.
Seas 6 to 9 ft. Wave Detail: SW 9 ft at 8 seconds and SW 2 ft at
4 seconds. Patchy fog. Rain. Vsby 1 NM or less.
.TONIGHT...W winds 25 to 35 kt, becoming 30 to 35 kt after
midnight. Seas 8 to 11 ft. Wave Detail: SW 11 ft at 9 seconds and
W 5 ft at 6 seconds.
.TUE...W winds 30 to 35 kt, diminishing to 25 to 30 kt in the
afternoon. Gusts up to 45 kt. Seas 8 to 11 ft. Wave Detail: SW
11 ft at 10 seconds and W 5 ft at 6 seconds.
.TUE NIGHT...W winds 25 to 30 kt with gusts up to 40 kt. Seas
6 to 9 ft. Wave Detail: SW 9 ft at 9 seconds and W 5 ft at
6 seconds.
.WED...W winds 20 to 25 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. Seas 5 to 7 ft. Wave Detail: SW
7 ft at 6 seconds and E 1 foot at 12 seconds. A chance of snow. A
chance of rain after midnight with vsby 1 to 3 NM.
.THU...NW winds 20 to 25 kt. Seas 4 to 6 ft. A chance of light
freezing spray. A chance of snow.
.THU NIGHT...NW winds 15 to 20 kt. Seas 2 to 4 ft. A chance of
light freezing spray.
.FRI AND FRI NIGHT...W winds 15 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.
$$
ANZ237-300700-
Block Island Sound-
106 PM EST Mon Dec 29 2025
...GALE WARNING IN EFFECT THROUGH WEDNESDAY MORNING...
.THIS AFTERNOON...SW winds 20 to 25 kt with gusts up to 35 kt.
Seas 5 to 7 ft. Wave Detail: S 6 ft at 8 seconds and W 4 ft at
5 seconds. Patchy fog. Rain. Vsby 1 NM or less.
.TONIGHT...W winds 25 to 35 kt, becoming 30 to 35 kt after
midnight. Gusts up to 45 kt. Seas 7 to 10 ft. Wave Detail: W 7 ft
at 6 seconds and S 6 ft at 9 seconds.
.TUE...W winds 25 to 35 kt with gusts up to 45 kt. Seas 6 to
9 ft. Wave Detail: W 7 ft at 6 seconds and S 6 ft at 10 seconds.
.TUE NIGHT...W winds 25 to 30 kt with gusts up to 40 kt. Seas
5 to 8 ft. Wave Detail: W 6 ft at 6 seconds and S 4 ft at
9 seconds.
.WED...W winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to
5 ft. Wave Detail: W 4 ft at 5 seconds and SW 4 ft at 8 seconds.
.WED NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas
4 to 6 ft. Wave Detail: W 4 ft at 5 seconds and S 4 ft at
8 seconds. A chance of snow.
.THU...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to
5 ft. A chance of snow.
.THU NIGHT THROUGH FRI NIGHT...W winds 10 to 15 kt with gusts up
to 20 kt. Seas 2 to 4 ft.
Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.
$$
ANZ230-300700-
Boston Harbor-
106 PM EST Mon Dec 29 2025
...GALE WARNING IN EFFECT FROM 7 PM EST THIS EVENING THROUGH LATE
TUESDAY NIGHT...
.THIS AFTERNOON...SW winds 10 to 15 kt with gusts up to 20 kt.
Waves around 2 ft. Patchy fog. Rain. Vsby 1 NM or less.
.TONIGHT...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. Waves
around 2 ft.
.TUE...W winds 25 to 30 kt with gusts up to 45 kt. Waves around
2 ft.
.TUE NIGHT...W winds 20 to 25 kt with gusts up to 35 kt. Waves
around 2 ft.
.WED...SW winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. Gusts up to 25 kt. Waves around 2 ft.
.WED NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt after
midnight. Waves around 2 ft. A chance of snow.
.THU...W winds around 15 kt with gusts up to 20 kt. Waves around
2 ft. A chance of snow.
.THU NIGHT THROUGH FRI NIGHT...W winds 10 to 15 kt with gusts up
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.
$$
ANZ236-300700-
Narragansett Bay-
106 PM EST Mon Dec 29 2025
...GALE WARNING IN EFFECT FROM 7 PM EST THIS EVENING THROUGH LATE
TUESDAY NIGHT...
.THIS AFTERNOON...SW winds 10 to 15 kt with gusts up to 30 kt.
Waves 3 to 5 ft. Patchy fog. Rain. Vsby 1 NM or less.
.TONIGHT...W winds 20 to 25 kt with gusts up to 35 kt. Waves 4 to
6 ft.
.TUE...W winds 20 to 25 kt with gusts up to 40 kt. Waves 4 to
6 ft.
.TUE NIGHT...W winds 15 to 20 kt with gusts up to 35 kt. Waves
3 to 5 ft.
.WED...W winds 15 to 20 kt, becoming SW 10 to 15 kt in the
afternoon. Gusts up to 25 kt. Waves 2 to 4 ft.
.WED NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Waves
2 to 4 ft. A chance of snow.
.THU...NW winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to
3 ft. A chance of snow.
.THU NIGHT THROUGH FRI NIGHT...W winds 10 to 15 kt with gusts up
to 20 kt. Waves 2 to 3 ft.
Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.
$$
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