FZUS51 KBOX 280006
CWFBOX
Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
705 PM EST Sat Dec 27 2025
Coastal waters from the Merrimack River MA to Watch Hill RI out
to 25 NM
ANZ200-281300-
705 PM EST Sat Dec 27 2025
.Synopsis for Massachusetts and Rhode Island coastal waters...
High pressure drifts across New England Saturday night and Sunday.
Strong low pressure moves across the Great Lakes Sunday night and
then into Ontario and Quebec Monday, followed by possible west to
northwest gales and freezing spray over the MA/RI waters Tuesday. An
arctic front may cross the waters around Thursday.
$$
ANZ250-281300-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
705 PM EST Sat Dec 27 2025
.TONIGHT...NW winds 10 to 15 kt. Gusts up to 20 kt this evening.
Seas 3 to 5 ft. Wave Detail: NE 4 ft at 5 seconds and E 2 ft at
12 seconds.
.SUN...NW winds 10 to 15 kt, becoming W 5 to 10 kt in the
afternoon. Seas 2 to 4 ft. Wave Detail: N 3 ft at 4 seconds and E
2 ft at 12 seconds.
.SUN NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt after
midnight. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 4 seconds and
NE 2 ft at 5 seconds. A chance of rain in the evening, then rain
after midnight. Patchy fog after midnight with vsby 1 to 3 NM.
.MON...S winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to
4 ft. Wave Detail: S 3 ft at 6 seconds and E 1 foot at
11 seconds. Rain. Patchy fog in the morning. Vsby 1 to 3 NM.
.MON NIGHT...SW winds 20 to 25 kt, becoming W 25 to 30 kt after
midnight. Seas 3 to 5 ft, building to 5 to 7 ft after midnight.
Wave Detail: S 4 ft at 5 seconds and E 1 foot at 10 seconds,
becoming W 6 ft at 5 seconds and S 2 ft at 8 seconds. Rain likely
in the evening with vsby 1 to 3 NM.
.TUE...W winds around 30 kt with gusts up to 40 kt. Seas 6 to
9 ft. Wave Detail: W 7 ft at 6 seconds and SW 3 ft at 10 seconds.
.TUE NIGHT...W winds 25 to 30 kt with gusts up to 40 kt. Seas
6 to 9 ft. A chance of light freezing spray.
.WED...W winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to
7 ft.
.WED NIGHT...SW winds 20 to 25 kt with gusts up to 30 kt. Seas
3 to 5 ft.
.THU...W winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to
5 ft. A chance of snow.
.THU NIGHT...NW winds 15 to 20 kt. Seas 3 to 5 ft. A chance of
light freezing spray. A chance of snow.
Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.
$$
ANZ251-281300-
Massachusetts Bay and Ipswich Bay-
705 PM EST Sat Dec 27 2025
.TONIGHT...NW winds 10 to 15 kt. Seas 2 to 4 ft. Wave Detail: N
4 ft at 5 seconds and E 2 ft at 12 seconds.
.SUN...W winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: NE 3 ft
at 5 seconds and E 2 ft at 12 seconds.
.SUN NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt after
midnight. Seas around 2 ft. Wave Detail: SW 2 ft at 3 seconds and
NE 2 ft at 5 seconds. A chance of rain in the evening, then rain
with a chance of freezing rain after midnight. Patchy fog after
midnight with vsby 1 to 3 NM.
.MON...S winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to
3 ft. Wave Detail: SE 3 ft at 4 seconds and S 3 ft at 8 seconds.
Rain. Patchy fog in the morning. Vsby 1 to 3 NM.
.MON NIGHT...SW winds 20 to 25 kt, becoming W 25 to 30 kt after
midnight. Seas 2 to 4 ft. Wave Detail: S 4 ft at 5 seconds and E
1 foot at 11 seconds. A chance of rain in the evening with vsby
1 to 3 NM.
.TUE...W winds 25 to 30 kt with gusts up to 40 kt. Seas 3 to
5 ft. Wave Detail: W 5 ft at 4 seconds and SW 3 ft at 9 seconds.
.TUE NIGHT...W winds 25 to 30 kt with gusts up to 35 kt. Seas
3 to 4 ft. A chance of light freezing spray.
.WED AND WED NIGHT...SW winds 20 to 25 kt with gusts up to 30 kt.
Seas 3 to 4 ft.
.THU AND THU NIGHT...W winds 15 to 20 kt with gusts up to 25 kt.
Seas 2 to 3 ft. A chance of snow.
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.
$$
ANZ231-281300-
Cape Cod Bay-
705 PM EST Sat Dec 27 2025
.TONIGHT...NW winds 10 to 15 kt. Gusts up to 20 kt this evening.
Seas 2 to 3 ft. Wave Detail: N 3 ft at 5 seconds and E 2 ft at
12 seconds.
.SUN...W winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: N 2 ft at
5 seconds and E 2 ft at 12 seconds.
.SUN NIGHT...SW winds 5 to 10 kt, becoming S 10 to 15 kt with
gusts up to 20 kt after midnight. Seas 2 to 3 ft. Wave Detail: N
2 ft at 5 seconds and E 2 ft at 12 seconds. A chance of rain in
the evening, then rain after midnight. Patchy fog after midnight
with vsby 1 to 3 NM.
.MON...S winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to
4 ft. Wave Detail: S 4 ft at 7 seconds and SW 3 ft at 4 seconds.
Rain. Patchy fog in the morning. Vsby 1 to 3 NM.
.MON NIGHT...SW winds 20 to 25 kt, becoming W 25 to 30 kt after
midnight. Seas 3 to 5 ft. Wave Detail: W 4 ft at 4 seconds and S
3 ft at 8 seconds. Rain likely in the evening with vsby 1 to
3 NM.
.TUE...W winds 25 to 30 kt with gusts up to 35 kt. Seas 3 to
5 ft. Wave Detail: W 5 ft at 5 seconds and SW 3 ft at 10 seconds.
.TUE NIGHT...W winds 25 to 30 kt with gusts up to 35 kt. Seas
3 to 5 ft. A chance of light freezing spray.
.WED AND WED NIGHT...W winds 20 to 25 kt, diminishing to 15 to
20 kt. Gusts up to 30 kt. Seas 2 to 4 ft.
.THU AND THU NIGHT...W winds 15 to 20 kt, diminishing to 10 to
15 kt. Gusts up to 25 kt. Seas 2 to 3 ft. A chance of snow.
Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.
$$
ANZ254-281300-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
705 PM EST Sat Dec 27 2025
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM EST SUNDAY...
.TONIGHT...N winds 15 to 20 kt, becoming NW 10 to 15 kt after
midnight. Seas 3 to 5 ft. Wave Detail: N 5 ft at 6 seconds and E
3 ft at 12 seconds.
.SUN...NW winds 10 to 15 kt. Seas 3 to 5 ft. Wave Detail: NW 4 ft
at 5 seconds and E 3 ft at 12 seconds.
.SUN NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt after
midnight. Seas 2 to 4 ft. Wave Detail: SW 3 ft at 4 seconds and N
3 ft at 6 seconds. A chance of rain in the evening, then rain
after midnight. Patchy fog after midnight with vsby 1 to 3 NM.
.MON...S winds 15 to 20 kt, becoming SW 20 to 25 kt in the
afternoon. Gusts up to 30 kt. Seas 4 to 6 ft. S and E of
Nantucket, seas 4 to 6 ft, building to 7 to 10 ft in the
afternoon. Wave Detail: S 6 ft at 8 seconds and S 4 ft at
5 seconds. Rain. Patchy fog in the morning. Vsby 1 to 3 NM.
.MON NIGHT...W winds 25 to 30 kt with gusts up to 35 kt. Seas
5 to 8 ft, building to 7 to 10 ft after midnight. S and E of
Nantucket, seas 9 to 12 ft, building to 11 to 15 ft after
midnight. Wave Detail: S 7 ft at 9 seconds and W 3 ft at
5 seconds, becoming S 8 ft at 10 seconds and W 6 ft at 5 seconds.
Rain likely, mainly in the evening with vsby 1 to 3 NM.
.TUE...W winds 25 to 30 kt with gusts up to 40 kt. Seas 8 to
11 ft, except 12 to 16 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 40 kt. Seas
7 to 10 ft, except 11 to 15 ft S and E of Nantucket.
.WED...W winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to
7 ft, except 8 to 11 ft S and E of Nantucket.
.WED NIGHT...W winds 20 to 25 kt. Seas 4 to 6 ft, except 7 to
10 ft S and E of Nantucket.
.THU AND THU NIGHT...W winds 15 to 20 kt with gusts up to 25 kt.
Seas 4 to 6 ft. A chance of snow and rain.
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.
$$
ANZ255-281300-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
705 PM EST Sat Dec 27 2025
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM EST SUNDAY...
.TONIGHT...N winds 15 to 20 kt, becoming NW 10 to 15 kt after
midnight. Seas 3 to 5 ft. Wave Detail: N 4 ft at 5 seconds and E
3 ft at 12 seconds.
.SUN...NW winds 10 to 15 kt. Seas 2 to 4 ft. Wave Detail: NW 2 ft
at 4 seconds and NE 2 ft at 6 seconds.
.SUN NIGHT...SW winds 10 to 15 kt, becoming S 15 to 20 kt after
midnight. Gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: SW 4 ft
at 6 seconds and NE 2 ft at 6 seconds. A chance of rain in the
evening, then rain after midnight. Patchy fog after midnight with
vsby 1 to 3 NM.
.MON...S winds 20 to 25 kt, becoming SW 25 to 30 kt in the
afternoon. Seas 5 to 7 ft, building to 7 to 10 ft in the
afternoon. Wave Detail: SW 7 ft at 6 seconds and NE 1 foot at
6 seconds, becoming SW 10 ft at 8 seconds and SW 2 ft at
4 seconds. Rain. Patchy fog in the morning. Vsby 1 to 3 NM.
.MON NIGHT...W winds 30 to 40 kt with gusts up to 45 kt. Seas
9 to 13 ft, building to 11 to 15 ft after midnight. Wave Detail:
SW 13 ft at 9 seconds and W 2 ft at 5 seconds, becoming SW 15 ft
at 10 seconds and W 3 ft at 5 seconds. Rain likely in the
evening.
.TUE...W winds 30 to 40 kt with gusts up to 45 kt. Seas 12 to
16 ft. Wave Detail: SW 15 ft at 10 seconds and W 3 ft at
5 seconds.
.TUE NIGHT...W winds 30 to 40 kt. Seas 10 to 14 ft.
.WED AND WED NIGHT...W winds 25 to 30 kt with gusts up to 35 kt.
Seas 7 to 10 ft.
.THU...W winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to
8 ft. A chance of snow and rain.
.THU NIGHT...NW winds 15 to 20 kt with gusts up to 25 kt. Seas
4 to 6 ft. A chance of snow and rain.
Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.
$$
ANZ256-281300-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
705 PM EST Sat Dec 27 2025
.TONIGHT...N winds 10 to 15 kt. Gusts up to 20 kt this evening.
Seas 3 to 5 ft. Wave Detail: N 4 ft at 5 seconds and E 2 ft at
12 seconds.
.SUN...W winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: N 2 ft
at 4 seconds and E 2 ft at 12 seconds.
.SUN NIGHT...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 E 2 ft at 12 seconds. A chance of rain in the
evening, then rain after midnight. Patchy fog after midnight.
Vsby 1 to 3 NM.
.MON...SW winds 20 to 25 kt, increasing to 25 to 30 kt in the
afternoon. Seas 5 to 7 ft, building to 7 to 10 ft in the
afternoon. Wave Detail: SW 7 ft at 7 seconds and SW 2 ft at
4 seconds, becoming SW 10 ft at 8 seconds and SW 1 foot at
4 seconds. Rain. Patchy fog in the morning. Vsby 1 to 3 NM.
.MON NIGHT...W winds 30 to 40 kt with gusts up to 45 kt. Seas
9 to 12 ft, building to 11 to 15 ft after midnight. Wave Detail:
SW 12 ft at 9 seconds and W 3 ft at 5 seconds, becoming SW 14 ft
at 9 seconds and NW 4 ft at 6 seconds. Rain likely in the
evening.
.TUE...W winds 30 to 40 kt with gusts up to 45 kt. Seas 11 to
15 ft. Wave Detail: SW 14 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 13 ft, subsiding to 8 to 11 ft after
midnight.
.WED AND WED NIGHT...W winds 25 to 30 kt with gusts up to 35 kt.
Seas 6 to 9 ft.
.THU...W winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to
7 ft. A chance of snow and rain.
.THU NIGHT...NW winds 15 to 20 kt with gusts up to 25 kt. Seas
4 to 6 ft. A chance of snow and rain.
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.
$$
ANZ232-281300-
Nantucket Sound-
705 PM EST Sat Dec 27 2025
.TONIGHT...NW winds 10 to 15 kt. Gusts up to 20 kt this evening.
Seas 2 to 3 ft. Wave Detail: N 3 ft at 5 seconds and E 2 ft at
12 seconds.
.SUN...W winds around 10 kt. Seas 2 to 3 ft. Wave Detail: NW 2 ft
at 3 seconds and NE 2 ft at 6 seconds.
.SUN NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt after
midnight. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 3 seconds and
NE 1 foot at 6 seconds. A chance of rain in the evening, then
rain after midnight. Patchy fog after midnight with vsby 1 to
3 NM.
.MON...S winds 15 to 20 kt, becoming SW 20 to 25 kt in the
afternoon. Gusts up to 30 kt. Seas 3 to 4 ft, building to 4 to
6 ft in the afternoon. Wave Detail: S 4 ft at 7 seconds and S
3 ft at 4 seconds, becoming SW 4 ft at 4 seconds and SW 4 ft at
8 seconds. Rain. Patchy fog in the morning. Vsby 1 to 3 NM.
.MON NIGHT...W winds 25 to 35 kt. Seas 4 to 6 ft, building to
5 to 8 ft after midnight. Wave Detail: SW 5 ft at 5 seconds and
SW 3 ft at 9 seconds, becoming W 6 ft at 5 seconds and SW 3 ft at
10 seconds. Rain likely in the evening.
.TUE...W winds 30 to 35 kt, diminishing to 25 to 30 kt in the
afternoon. Seas 6 to 9 ft, subsiding to 5 to 7 ft in the
afternoon. Wave Detail: W 6 ft at 5 seconds and SW 3 ft at
10 seconds.
.TUE NIGHT...W winds 30 to 35 kt, diminishing to 25 to 30 kt
after midnight. Seas 5 to 7 ft.
.WED AND WED NIGHT...W winds 20 to 25 kt with gusts up to 30 kt.
Seas 4 to 6 ft.
.THU...W winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to
5 ft. A chance of snow and rain.
.THU NIGHT...W winds 15 to 20 kt. Seas 2 to 3 ft. A chance of
snow.
Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.
$$
ANZ233-281300-
Vineyard Sound-
705 PM EST Sat Dec 27 2025
.TONIGHT...NW winds 10 to 15 kt. Seas around 2 ft. Wave Detail: N
1 foot at 4 seconds and S 1 foot at 9 seconds.
.SUN...NW winds 5 to 10 kt, becoming W in the afternoon. Seas
around 2 ft. Wave Detail: NW 1 foot at 3 seconds and NE 1 foot at
5 seconds.
.SUN NIGHT...SW winds 10 to 15 kt, becoming S 15 to 20 kt after
midnight. Seas 2 to 3 ft. Wave Detail: S 3 ft at 6 seconds and NE
1 foot at 6 seconds. A chance of rain in the evening, then rain
after midnight. Patchy fog after midnight with vsby 1 to 3 NM.
.MON...SW winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to
5 ft, building to 5 to 7 ft in the afternoon. Wave Detail: SW
5 ft at 6 seconds and E 1 foot at 5 seconds, becoming SW 7 ft at
8 seconds and SW 2 ft at 4 seconds. Rain. Patchy fog in the
morning. Vsby 1 to 3 NM.
.MON NIGHT...W winds 25 to 35 kt, becoming 30 to 35 kt after
midnight. Seas 6 to 9 ft. Wave Detail: SW 9 ft at 9 seconds and
SW 3 ft at 5 seconds. Rain likely in the evening.
.TUE...W winds 25 to 35 kt with gusts up to 40 kt. Seas 7 to
10 ft. Wave Detail: SW 9 ft at 9 seconds and W 3 ft at 5 seconds.
.TUE NIGHT...W winds 25 to 35 kt with gusts up to 40 kt. Seas
5 to 8 ft.
.WED AND WED NIGHT...W winds 20 to 25 kt, increasing to 25 to
30 kt. Seas 4 to 6 ft.
.THU...W winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to
5 ft. A chance of snow and rain.
.THU NIGHT...NW winds 15 to 20 kt. Seas 2 to 4 ft. A chance of
light freezing spray. A chance of snow.
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.
$$
ANZ234-281300-
Buzzards Bay-
705 PM EST Sat Dec 27 2025
.TONIGHT...NW winds 10 to 15 kt. Seas around 2 ft this evening,
then 1 foot or less. Wave Detail: N 1 foot at 4 seconds and E
1 foot at 13 seconds, becoming NW 1 foot at 2 seconds and NE
1 foot at 5 seconds.
.SUN...NW winds 5 to 10 kt, becoming W in the afternoon. Seas
1 foot or less. Wave Detail: NW 1 foot at 2 seconds and NE 1 foot
at 5 seconds.
.SUN NIGHT...SW winds 10 to 15 kt, becoming S 15 to 20 kt after
midnight. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 4 seconds and
NE 1 foot at 6 seconds. A chance of rain in the evening, then
rain after midnight. Patchy fog after midnight with vsby 1 to
3 NM.
.MON...SW winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to
5 ft. Wave Detail: SW 5 ft at 8 seconds and SW 3 ft at 5 seconds.
Rain. Patchy fog in the morning. Vsby 1 to 3 NM.
.MON NIGHT...W winds 25 to 35 kt. Seas 4 to 6 ft. Wave Detail: SW
6 ft at 9 seconds and SW 4 ft at 5 seconds. Rain likely in the
evening.
.TUE...W winds 30 to 35 kt, diminishing to 25 to 30 kt in the
afternoon. Seas 5 to 7 ft. Wave Detail: SW 7 ft at 9 seconds and
W 4 ft at 5 seconds.
.TUE NIGHT...W winds 25 to 30 kt with gusts up to 35 kt. Seas
4 to 6 ft. A chance of light freezing spray after midnight.
.WED AND WED NIGHT...W winds 20 to 25 kt with gusts up to 30 kt.
Seas 3 to 5 ft.
.THU AND THU NIGHT...W winds 15 to 20 kt with gusts up to 25 kt.
Seas 2 to 4 ft. A chance of snow.
Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.
$$
ANZ235-281300-
Rhode Island Sound-
705 PM EST Sat Dec 27 2025
.TONIGHT...N winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: N
2 ft at 4 seconds and S 1 foot at 9 seconds.
.SUN...NW winds 5 to 10 kt, becoming W 10 to 15 kt in the
afternoon. Seas around 2 ft. Wave Detail: W 2 ft at 3 seconds and
NE 1 foot at 4 seconds.
.SUN NIGHT...SW winds 10 to 15 kt, becoming S 15 to 20 kt after
midnight. Gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft
at 6 seconds and NE 1 foot at 6 seconds. A chance of rain in the
evening, then rain after midnight. Patchy fog after midnight.
Vsby 1 to 3 NM.
.MON...SW winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to
6 ft, building to 5 to 8 ft in the afternoon. Wave Detail: SW
6 ft at 6 seconds and E 1 foot at 12 seconds, becoming S 8 ft at
8 seconds and SW 2 ft at 4 seconds. Rain. Patchy fog in the
morning. Vsby 1 to 3 NM.
.MON NIGHT...W winds 25 to 30 kt, increasing to 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. Rain likely in the evening.
.TUE...W winds 30 to 35 kt with gusts up to 40 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.
.WED AND WED NIGHT...W winds 25 to 30 kt. Seas 5 to 7 ft.
.THU...W winds 20 to 25 kt. Seas 4 to 6 ft. A chance of snow.
.THU NIGHT...NW winds 15 to 20 kt. Seas 3 to 5 ft. A chance of
light freezing spray. A chance of snow.
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.
$$
ANZ237-281300-
Block Island Sound-
705 PM EST Sat Dec 27 2025
.TONIGHT...N winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: NE
2 ft at 4 seconds and S 1 foot at 8 seconds.
.SUN...NW winds 5 to 10 kt, becoming W in the afternoon. Seas
around 2 ft. Wave Detail: NW 1 foot at 3 seconds and NE 1 foot at
5 seconds.
.SUN NIGHT...SW winds 10 to 15 kt, becoming S 15 to 20 kt with
gusts up to 25 kt after midnight. Seas 2 to 3 ft. Wave Detail: S
3 ft at 4 seconds and S 2 ft at 7 seconds. Patchy fog. Rain. Vsby
1 to 3 NM.
.MON...SW winds 15 to 20 kt, increasing to 20 to 25 kt in the
afternoon. Gusts up to 30 kt. Seas 3 to 5 ft, building to 5 to
7 ft in the afternoon. Wave Detail: S 5 ft at 7 seconds and SW
3 ft at 4 seconds, becoming S 6 ft at 8 seconds and W 3 ft at
4 seconds. Rain. Patchy fog in the morning. Vsby 1 to 3 NM.
.MON NIGHT...W winds 25 to 30 kt with gusts up to 35 kt. Seas
7 to 10 ft. Wave Detail: W 6 ft at 5 seconds and S 6 ft at
9 seconds. Rain likely in the evening.
.TUE...W winds 25 to 30 kt with gusts up to 40 kt. Seas 7 to
10 ft. Wave Detail: W 6 ft at 6 seconds and S 6 ft at 10 seconds.
.TUE NIGHT...W winds 25 to 30 kt with gusts up to 35 kt. Seas
5 to 8 ft.
.WED AND WED NIGHT...W winds 20 to 25 kt with gusts up to 30 kt.
Seas 4 to 6 ft.
.THU AND THU NIGHT...W winds 15 to 20 kt with gusts up to 25 kt.
Seas 3 to 5 ft. A chance of snow.
Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.
$$
ANZ230-281300-
Boston Harbor-
705 PM EST Sat Dec 27 2025
.TONIGHT...NW winds 5 to 10 kt. Waves 1 foot or less.
.SUN...NW winds 5 to 10 kt, becoming SW in the afternoon. Waves
1 foot or less.
.SUN NIGHT...SW winds 5 to 10 kt, becoming S 10 to 15 kt after
midnight. Waves 1 foot or less, then around 2 ft after midnight.
A chance of rain in the evening, then rain after midnight. Patchy
fog after midnight with vsby 1 to 3 NM.
.MON...S winds 10 to 15 kt with gusts up to 20 kt. Waves around
2 ft. Rain. Patchy fog in the morning. Vsby 1 to 3 NM.
.MON NIGHT...SW winds 20 to 25 kt, becoming W 25 to 30 kt after
midnight. Waves around 2 ft. Rain likely in the evening.
.TUE AND TUE NIGHT...W winds 25 to 30 kt with gusts up to 35 kt.
Waves around 2 ft.
.WED AND WED NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt.
Waves around 2 ft.
.THU AND THU NIGHT...W winds 15 to 20 kt, becoming NW 10 to
15 kt. Waves around 2 ft. A chance of snow.
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.
$$
ANZ236-281300-
Narragansett Bay-
705 PM EST Sat Dec 27 2025
.TONIGHT...NW winds 5 to 10 kt. Waves around 2 ft this evening,
then 1 foot or less.
.SUN...W winds 5 to 10 kt. Waves 1 foot or less.
.SUN NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt after
midnight. Waves 2 to 3 ft. Patchy fog. Rain. Vsby 1 to 3 NM.
.MON...SW winds 15 to 20 kt with gusts up to 25 kt. Waves 3 to
5 ft. Rain. Patchy fog in the morning. Vsby 1 to 3 NM.
.MON NIGHT...W winds 20 to 25 kt with gusts up to 30 kt. Waves
4 to 6 ft. Rain likely in the evening.
.TUE...W winds 20 to 25 kt with gusts up to 35 kt. Waves 4 to
6 ft.
.TUE NIGHT...W winds 20 to 25 kt, diminishing to 15 to 20 kt
after midnight. Gusts up to 30 kt. Waves 3 to 5 ft. A chance of
light freezing spray after midnight.
.WED AND WED NIGHT...W winds 15 to 20 kt with gusts up to 30 kt.
Waves 2 to 4 ft.
.THU AND THU NIGHT...W winds 10 to 15 kt with gusts up to 20 kt.
Waves 2 to 4 ft. A chance of snow.
Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.
$$
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CWFBOX
Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
705 PM EST Sat Dec 27 2025
Coastal waters from the Merrimack River MA to Watch Hill RI out
to 25 NM
ANZ200-281300-
705 PM EST Sat Dec 27 2025
.Synopsis for Massachusetts and Rhode Island coastal waters...
High pressure drifts across New England Saturday night and Sunday.
Strong low pressure moves across the Great Lakes Sunday night and
then into Ontario and Quebec Monday, followed by possible west to
northwest gales and freezing spray over the MA/RI waters Tuesday. An
arctic front may cross the waters around Thursday.
$$
ANZ250-281300-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
705 PM EST Sat Dec 27 2025
.TONIGHT...NW winds 10 to 15 kt. Gusts up to 20 kt this evening.
Seas 3 to 5 ft. Wave Detail: NE 4 ft at 5 seconds and E 2 ft at
12 seconds.
.SUN...NW winds 10 to 15 kt, becoming W 5 to 10 kt in the
afternoon. Seas 2 to 4 ft. Wave Detail: N 3 ft at 4 seconds and E
2 ft at 12 seconds.
.SUN NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt after
midnight. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 4 seconds and
NE 2 ft at 5 seconds. A chance of rain in the evening, then rain
after midnight. Patchy fog after midnight with vsby 1 to 3 NM.
.MON...S winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to
4 ft. Wave Detail: S 3 ft at 6 seconds and E 1 foot at
11 seconds. Rain. Patchy fog in the morning. Vsby 1 to 3 NM.
.MON NIGHT...SW winds 20 to 25 kt, becoming W 25 to 30 kt after
midnight. Seas 3 to 5 ft, building to 5 to 7 ft after midnight.
Wave Detail: S 4 ft at 5 seconds and E 1 foot at 10 seconds,
becoming W 6 ft at 5 seconds and S 2 ft at 8 seconds. Rain likely
in the evening with vsby 1 to 3 NM.
.TUE...W winds around 30 kt with gusts up to 40 kt. Seas 6 to
9 ft. Wave Detail: W 7 ft at 6 seconds and SW 3 ft at 10 seconds.
.TUE NIGHT...W winds 25 to 30 kt with gusts up to 40 kt. Seas
6 to 9 ft. A chance of light freezing spray.
.WED...W winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to
7 ft.
.WED NIGHT...SW winds 20 to 25 kt with gusts up to 30 kt. Seas
3 to 5 ft.
.THU...W winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to
5 ft. A chance of snow.
.THU NIGHT...NW winds 15 to 20 kt. Seas 3 to 5 ft. A chance of
light freezing spray. A chance of snow.
Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.
$$
ANZ251-281300-
Massachusetts Bay and Ipswich Bay-
705 PM EST Sat Dec 27 2025
.TONIGHT...NW winds 10 to 15 kt. Seas 2 to 4 ft. Wave Detail: N
4 ft at 5 seconds and E 2 ft at 12 seconds.
.SUN...W winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: NE 3 ft
at 5 seconds and E 2 ft at 12 seconds.
.SUN NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt after
midnight. Seas around 2 ft. Wave Detail: SW 2 ft at 3 seconds and
NE 2 ft at 5 seconds. A chance of rain in the evening, then rain
with a chance of freezing rain after midnight. Patchy fog after
midnight with vsby 1 to 3 NM.
.MON...S winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to
3 ft. Wave Detail: SE 3 ft at 4 seconds and S 3 ft at 8 seconds.
Rain. Patchy fog in the morning. Vsby 1 to 3 NM.
.MON NIGHT...SW winds 20 to 25 kt, becoming W 25 to 30 kt after
midnight. Seas 2 to 4 ft. Wave Detail: S 4 ft at 5 seconds and E
1 foot at 11 seconds. A chance of rain in the evening with vsby
1 to 3 NM.
.TUE...W winds 25 to 30 kt with gusts up to 40 kt. Seas 3 to
5 ft. Wave Detail: W 5 ft at 4 seconds and SW 3 ft at 9 seconds.
.TUE NIGHT...W winds 25 to 30 kt with gusts up to 35 kt. Seas
3 to 4 ft. A chance of light freezing spray.
.WED AND WED NIGHT...SW winds 20 to 25 kt with gusts up to 30 kt.
Seas 3 to 4 ft.
.THU AND THU NIGHT...W winds 15 to 20 kt with gusts up to 25 kt.
Seas 2 to 3 ft. A chance of snow.
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.
$$
ANZ231-281300-
Cape Cod Bay-
705 PM EST Sat Dec 27 2025
.TONIGHT...NW winds 10 to 15 kt. Gusts up to 20 kt this evening.
Seas 2 to 3 ft. Wave Detail: N 3 ft at 5 seconds and E 2 ft at
12 seconds.
.SUN...W winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: N 2 ft at
5 seconds and E 2 ft at 12 seconds.
.SUN NIGHT...SW winds 5 to 10 kt, becoming S 10 to 15 kt with
gusts up to 20 kt after midnight. Seas 2 to 3 ft. Wave Detail: N
2 ft at 5 seconds and E 2 ft at 12 seconds. A chance of rain in
the evening, then rain after midnight. Patchy fog after midnight
with vsby 1 to 3 NM.
.MON...S winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to
4 ft. Wave Detail: S 4 ft at 7 seconds and SW 3 ft at 4 seconds.
Rain. Patchy fog in the morning. Vsby 1 to 3 NM.
.MON NIGHT...SW winds 20 to 25 kt, becoming W 25 to 30 kt after
midnight. Seas 3 to 5 ft. Wave Detail: W 4 ft at 4 seconds and S
3 ft at 8 seconds. Rain likely in the evening with vsby 1 to
3 NM.
.TUE...W winds 25 to 30 kt with gusts up to 35 kt. Seas 3 to
5 ft. Wave Detail: W 5 ft at 5 seconds and SW 3 ft at 10 seconds.
.TUE NIGHT...W winds 25 to 30 kt with gusts up to 35 kt. Seas
3 to 5 ft. A chance of light freezing spray.
.WED AND WED NIGHT...W winds 20 to 25 kt, diminishing to 15 to
20 kt. Gusts up to 30 kt. Seas 2 to 4 ft.
.THU AND THU NIGHT...W winds 15 to 20 kt, diminishing to 10 to
15 kt. Gusts up to 25 kt. Seas 2 to 3 ft. A chance of snow.
Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.
$$
ANZ254-281300-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
705 PM EST Sat Dec 27 2025
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM EST SUNDAY...
.TONIGHT...N winds 15 to 20 kt, becoming NW 10 to 15 kt after
midnight. Seas 3 to 5 ft. Wave Detail: N 5 ft at 6 seconds and E
3 ft at 12 seconds.
.SUN...NW winds 10 to 15 kt. Seas 3 to 5 ft. Wave Detail: NW 4 ft
at 5 seconds and E 3 ft at 12 seconds.
.SUN NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt after
midnight. Seas 2 to 4 ft. Wave Detail: SW 3 ft at 4 seconds and N
3 ft at 6 seconds. A chance of rain in the evening, then rain
after midnight. Patchy fog after midnight with vsby 1 to 3 NM.
.MON...S winds 15 to 20 kt, becoming SW 20 to 25 kt in the
afternoon. Gusts up to 30 kt. Seas 4 to 6 ft. S and E of
Nantucket, seas 4 to 6 ft, building to 7 to 10 ft in the
afternoon. Wave Detail: S 6 ft at 8 seconds and S 4 ft at
5 seconds. Rain. Patchy fog in the morning. Vsby 1 to 3 NM.
.MON NIGHT...W winds 25 to 30 kt with gusts up to 35 kt. Seas
5 to 8 ft, building to 7 to 10 ft after midnight. S and E of
Nantucket, seas 9 to 12 ft, building to 11 to 15 ft after
midnight. Wave Detail: S 7 ft at 9 seconds and W 3 ft at
5 seconds, becoming S 8 ft at 10 seconds and W 6 ft at 5 seconds.
Rain likely, mainly in the evening with vsby 1 to 3 NM.
.TUE...W winds 25 to 30 kt with gusts up to 40 kt. Seas 8 to
11 ft, except 12 to 16 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 40 kt. Seas
7 to 10 ft, except 11 to 15 ft S and E of Nantucket.
.WED...W winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to
7 ft, except 8 to 11 ft S and E of Nantucket.
.WED NIGHT...W winds 20 to 25 kt. Seas 4 to 6 ft, except 7 to
10 ft S and E of Nantucket.
.THU AND THU NIGHT...W winds 15 to 20 kt with gusts up to 25 kt.
Seas 4 to 6 ft. A chance of snow and rain.
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.
$$
ANZ255-281300-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
705 PM EST Sat Dec 27 2025
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM EST SUNDAY...
.TONIGHT...N winds 15 to 20 kt, becoming NW 10 to 15 kt after
midnight. Seas 3 to 5 ft. Wave Detail: N 4 ft at 5 seconds and E
3 ft at 12 seconds.
.SUN...NW winds 10 to 15 kt. Seas 2 to 4 ft. Wave Detail: NW 2 ft
at 4 seconds and NE 2 ft at 6 seconds.
.SUN NIGHT...SW winds 10 to 15 kt, becoming S 15 to 20 kt after
midnight. Gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: SW 4 ft
at 6 seconds and NE 2 ft at 6 seconds. A chance of rain in the
evening, then rain after midnight. Patchy fog after midnight with
vsby 1 to 3 NM.
.MON...S winds 20 to 25 kt, becoming SW 25 to 30 kt in the
afternoon. Seas 5 to 7 ft, building to 7 to 10 ft in the
afternoon. Wave Detail: SW 7 ft at 6 seconds and NE 1 foot at
6 seconds, becoming SW 10 ft at 8 seconds and SW 2 ft at
4 seconds. Rain. Patchy fog in the morning. Vsby 1 to 3 NM.
.MON NIGHT...W winds 30 to 40 kt with gusts up to 45 kt. Seas
9 to 13 ft, building to 11 to 15 ft after midnight. Wave Detail:
SW 13 ft at 9 seconds and W 2 ft at 5 seconds, becoming SW 15 ft
at 10 seconds and W 3 ft at 5 seconds. Rain likely in the
evening.
.TUE...W winds 30 to 40 kt with gusts up to 45 kt. Seas 12 to
16 ft. Wave Detail: SW 15 ft at 10 seconds and W 3 ft at
5 seconds.
.TUE NIGHT...W winds 30 to 40 kt. Seas 10 to 14 ft.
.WED AND WED NIGHT...W winds 25 to 30 kt with gusts up to 35 kt.
Seas 7 to 10 ft.
.THU...W winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to
8 ft. A chance of snow and rain.
.THU NIGHT...NW winds 15 to 20 kt with gusts up to 25 kt. Seas
4 to 6 ft. A chance of snow and rain.
Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.
$$
ANZ256-281300-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
705 PM EST Sat Dec 27 2025
.TONIGHT...N winds 10 to 15 kt. Gusts up to 20 kt this evening.
Seas 3 to 5 ft. Wave Detail: N 4 ft at 5 seconds and E 2 ft at
12 seconds.
.SUN...W winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: N 2 ft
at 4 seconds and E 2 ft at 12 seconds.
.SUN NIGHT...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 E 2 ft at 12 seconds. A chance of rain in the
evening, then rain after midnight. Patchy fog after midnight.
Vsby 1 to 3 NM.
.MON...SW winds 20 to 25 kt, increasing to 25 to 30 kt in the
afternoon. Seas 5 to 7 ft, building to 7 to 10 ft in the
afternoon. Wave Detail: SW 7 ft at 7 seconds and SW 2 ft at
4 seconds, becoming SW 10 ft at 8 seconds and SW 1 foot at
4 seconds. Rain. Patchy fog in the morning. Vsby 1 to 3 NM.
.MON NIGHT...W winds 30 to 40 kt with gusts up to 45 kt. Seas
9 to 12 ft, building to 11 to 15 ft after midnight. Wave Detail:
SW 12 ft at 9 seconds and W 3 ft at 5 seconds, becoming SW 14 ft
at 9 seconds and NW 4 ft at 6 seconds. Rain likely in the
evening.
.TUE...W winds 30 to 40 kt with gusts up to 45 kt. Seas 11 to
15 ft. Wave Detail: SW 14 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 13 ft, subsiding to 8 to 11 ft after
midnight.
.WED AND WED NIGHT...W winds 25 to 30 kt with gusts up to 35 kt.
Seas 6 to 9 ft.
.THU...W winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to
7 ft. A chance of snow and rain.
.THU NIGHT...NW winds 15 to 20 kt with gusts up to 25 kt. Seas
4 to 6 ft. A chance of snow and rain.
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.
$$
ANZ232-281300-
Nantucket Sound-
705 PM EST Sat Dec 27 2025
.TONIGHT...NW winds 10 to 15 kt. Gusts up to 20 kt this evening.
Seas 2 to 3 ft. Wave Detail: N 3 ft at 5 seconds and E 2 ft at
12 seconds.
.SUN...W winds around 10 kt. Seas 2 to 3 ft. Wave Detail: NW 2 ft
at 3 seconds and NE 2 ft at 6 seconds.
.SUN NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt after
midnight. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 3 seconds and
NE 1 foot at 6 seconds. A chance of rain in the evening, then
rain after midnight. Patchy fog after midnight with vsby 1 to
3 NM.
.MON...S winds 15 to 20 kt, becoming SW 20 to 25 kt in the
afternoon. Gusts up to 30 kt. Seas 3 to 4 ft, building to 4 to
6 ft in the afternoon. Wave Detail: S 4 ft at 7 seconds and S
3 ft at 4 seconds, becoming SW 4 ft at 4 seconds and SW 4 ft at
8 seconds. Rain. Patchy fog in the morning. Vsby 1 to 3 NM.
.MON NIGHT...W winds 25 to 35 kt. Seas 4 to 6 ft, building to
5 to 8 ft after midnight. Wave Detail: SW 5 ft at 5 seconds and
SW 3 ft at 9 seconds, becoming W 6 ft at 5 seconds and SW 3 ft at
10 seconds. Rain likely in the evening.
.TUE...W winds 30 to 35 kt, diminishing to 25 to 30 kt in the
afternoon. Seas 6 to 9 ft, subsiding to 5 to 7 ft in the
afternoon. Wave Detail: W 6 ft at 5 seconds and SW 3 ft at
10 seconds.
.TUE NIGHT...W winds 30 to 35 kt, diminishing to 25 to 30 kt
after midnight. Seas 5 to 7 ft.
.WED AND WED NIGHT...W winds 20 to 25 kt with gusts up to 30 kt.
Seas 4 to 6 ft.
.THU...W winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to
5 ft. A chance of snow and rain.
.THU NIGHT...W winds 15 to 20 kt. Seas 2 to 3 ft. A chance of
snow.
Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.
$$
ANZ233-281300-
Vineyard Sound-
705 PM EST Sat Dec 27 2025
.TONIGHT...NW winds 10 to 15 kt. Seas around 2 ft. Wave Detail: N
1 foot at 4 seconds and S 1 foot at 9 seconds.
.SUN...NW winds 5 to 10 kt, becoming W in the afternoon. Seas
around 2 ft. Wave Detail: NW 1 foot at 3 seconds and NE 1 foot at
5 seconds.
.SUN NIGHT...SW winds 10 to 15 kt, becoming S 15 to 20 kt after
midnight. Seas 2 to 3 ft. Wave Detail: S 3 ft at 6 seconds and NE
1 foot at 6 seconds. A chance of rain in the evening, then rain
after midnight. Patchy fog after midnight with vsby 1 to 3 NM.
.MON...SW winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to
5 ft, building to 5 to 7 ft in the afternoon. Wave Detail: SW
5 ft at 6 seconds and E 1 foot at 5 seconds, becoming SW 7 ft at
8 seconds and SW 2 ft at 4 seconds. Rain. Patchy fog in the
morning. Vsby 1 to 3 NM.
.MON NIGHT...W winds 25 to 35 kt, becoming 30 to 35 kt after
midnight. Seas 6 to 9 ft. Wave Detail: SW 9 ft at 9 seconds and
SW 3 ft at 5 seconds. Rain likely in the evening.
.TUE...W winds 25 to 35 kt with gusts up to 40 kt. Seas 7 to
10 ft. Wave Detail: SW 9 ft at 9 seconds and W 3 ft at 5 seconds.
.TUE NIGHT...W winds 25 to 35 kt with gusts up to 40 kt. Seas
5 to 8 ft.
.WED AND WED NIGHT...W winds 20 to 25 kt, increasing to 25 to
30 kt. Seas 4 to 6 ft.
.THU...W winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to
5 ft. A chance of snow and rain.
.THU NIGHT...NW winds 15 to 20 kt. Seas 2 to 4 ft. A chance of
light freezing spray. A chance of snow.
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.
$$
ANZ234-281300-
Buzzards Bay-
705 PM EST Sat Dec 27 2025
.TONIGHT...NW winds 10 to 15 kt. Seas around 2 ft this evening,
then 1 foot or less. Wave Detail: N 1 foot at 4 seconds and E
1 foot at 13 seconds, becoming NW 1 foot at 2 seconds and NE
1 foot at 5 seconds.
.SUN...NW winds 5 to 10 kt, becoming W in the afternoon. Seas
1 foot or less. Wave Detail: NW 1 foot at 2 seconds and NE 1 foot
at 5 seconds.
.SUN NIGHT...SW winds 10 to 15 kt, becoming S 15 to 20 kt after
midnight. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 4 seconds and
NE 1 foot at 6 seconds. A chance of rain in the evening, then
rain after midnight. Patchy fog after midnight with vsby 1 to
3 NM.
.MON...SW winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to
5 ft. Wave Detail: SW 5 ft at 8 seconds and SW 3 ft at 5 seconds.
Rain. Patchy fog in the morning. Vsby 1 to 3 NM.
.MON NIGHT...W winds 25 to 35 kt. Seas 4 to 6 ft. Wave Detail: SW
6 ft at 9 seconds and SW 4 ft at 5 seconds. Rain likely in the
evening.
.TUE...W winds 30 to 35 kt, diminishing to 25 to 30 kt in the
afternoon. Seas 5 to 7 ft. Wave Detail: SW 7 ft at 9 seconds and
W 4 ft at 5 seconds.
.TUE NIGHT...W winds 25 to 30 kt with gusts up to 35 kt. Seas
4 to 6 ft. A chance of light freezing spray after midnight.
.WED AND WED NIGHT...W winds 20 to 25 kt with gusts up to 30 kt.
Seas 3 to 5 ft.
.THU AND THU NIGHT...W winds 15 to 20 kt with gusts up to 25 kt.
Seas 2 to 4 ft. A chance of snow.
Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.
$$
ANZ235-281300-
Rhode Island Sound-
705 PM EST Sat Dec 27 2025
.TONIGHT...N winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: N
2 ft at 4 seconds and S 1 foot at 9 seconds.
.SUN...NW winds 5 to 10 kt, becoming W 10 to 15 kt in the
afternoon. Seas around 2 ft. Wave Detail: W 2 ft at 3 seconds and
NE 1 foot at 4 seconds.
.SUN NIGHT...SW winds 10 to 15 kt, becoming S 15 to 20 kt after
midnight. Gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft
at 6 seconds and NE 1 foot at 6 seconds. A chance of rain in the
evening, then rain after midnight. Patchy fog after midnight.
Vsby 1 to 3 NM.
.MON...SW winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to
6 ft, building to 5 to 8 ft in the afternoon. Wave Detail: SW
6 ft at 6 seconds and E 1 foot at 12 seconds, becoming S 8 ft at
8 seconds and SW 2 ft at 4 seconds. Rain. Patchy fog in the
morning. Vsby 1 to 3 NM.
.MON NIGHT...W winds 25 to 30 kt, increasing to 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. Rain likely in the evening.
.TUE...W winds 30 to 35 kt with gusts up to 40 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.
.WED AND WED NIGHT...W winds 25 to 30 kt. Seas 5 to 7 ft.
.THU...W winds 20 to 25 kt. Seas 4 to 6 ft. A chance of snow.
.THU NIGHT...NW winds 15 to 20 kt. Seas 3 to 5 ft. A chance of
light freezing spray. A chance of snow.
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.
$$
ANZ237-281300-
Block Island Sound-
705 PM EST Sat Dec 27 2025
.TONIGHT...N winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: NE
2 ft at 4 seconds and S 1 foot at 8 seconds.
.SUN...NW winds 5 to 10 kt, becoming W in the afternoon. Seas
around 2 ft. Wave Detail: NW 1 foot at 3 seconds and NE 1 foot at
5 seconds.
.SUN NIGHT...SW winds 10 to 15 kt, becoming S 15 to 20 kt with
gusts up to 25 kt after midnight. Seas 2 to 3 ft. Wave Detail: S
3 ft at 4 seconds and S 2 ft at 7 seconds. Patchy fog. Rain. Vsby
1 to 3 NM.
.MON...SW winds 15 to 20 kt, increasing to 20 to 25 kt in the
afternoon. Gusts up to 30 kt. Seas 3 to 5 ft, building to 5 to
7 ft in the afternoon. Wave Detail: S 5 ft at 7 seconds and SW
3 ft at 4 seconds, becoming S 6 ft at 8 seconds and W 3 ft at
4 seconds. Rain. Patchy fog in the morning. Vsby 1 to 3 NM.
.MON NIGHT...W winds 25 to 30 kt with gusts up to 35 kt. Seas
7 to 10 ft. Wave Detail: W 6 ft at 5 seconds and S 6 ft at
9 seconds. Rain likely in the evening.
.TUE...W winds 25 to 30 kt with gusts up to 40 kt. Seas 7 to
10 ft. Wave Detail: W 6 ft at 6 seconds and S 6 ft at 10 seconds.
.TUE NIGHT...W winds 25 to 30 kt with gusts up to 35 kt. Seas
5 to 8 ft.
.WED AND WED NIGHT...W winds 20 to 25 kt with gusts up to 30 kt.
Seas 4 to 6 ft.
.THU AND THU NIGHT...W winds 15 to 20 kt with gusts up to 25 kt.
Seas 3 to 5 ft. A chance of snow.
Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.
$$
ANZ230-281300-
Boston Harbor-
705 PM EST Sat Dec 27 2025
.TONIGHT...NW winds 5 to 10 kt. Waves 1 foot or less.
.SUN...NW winds 5 to 10 kt, becoming SW in the afternoon. Waves
1 foot or less.
.SUN NIGHT...SW winds 5 to 10 kt, becoming S 10 to 15 kt after
midnight. Waves 1 foot or less, then around 2 ft after midnight.
A chance of rain in the evening, then rain after midnight. Patchy
fog after midnight with vsby 1 to 3 NM.
.MON...S winds 10 to 15 kt with gusts up to 20 kt. Waves around
2 ft. Rain. Patchy fog in the morning. Vsby 1 to 3 NM.
.MON NIGHT...SW winds 20 to 25 kt, becoming W 25 to 30 kt after
midnight. Waves around 2 ft. Rain likely in the evening.
.TUE AND TUE NIGHT...W winds 25 to 30 kt with gusts up to 35 kt.
Waves around 2 ft.
.WED AND WED NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt.
Waves around 2 ft.
.THU AND THU NIGHT...W winds 15 to 20 kt, becoming NW 10 to
15 kt. Waves around 2 ft. A chance of snow.
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.
$$
ANZ236-281300-
Narragansett Bay-
705 PM EST Sat Dec 27 2025
.TONIGHT...NW winds 5 to 10 kt. Waves around 2 ft this evening,
then 1 foot or less.
.SUN...W winds 5 to 10 kt. Waves 1 foot or less.
.SUN NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt after
midnight. Waves 2 to 3 ft. Patchy fog. Rain. Vsby 1 to 3 NM.
.MON...SW winds 15 to 20 kt with gusts up to 25 kt. Waves 3 to
5 ft. Rain. Patchy fog in the morning. Vsby 1 to 3 NM.
.MON NIGHT...W winds 20 to 25 kt with gusts up to 30 kt. Waves
4 to 6 ft. Rain likely in the evening.
.TUE...W winds 20 to 25 kt with gusts up to 35 kt. Waves 4 to
6 ft.
.TUE NIGHT...W winds 20 to 25 kt, diminishing to 15 to 20 kt
after midnight. Gusts up to 30 kt. Waves 3 to 5 ft. A chance of
light freezing spray after midnight.
.WED AND WED NIGHT...W winds 15 to 20 kt with gusts up to 30 kt.
Waves 2 to 4 ft.
.THU AND THU NIGHT...W winds 10 to 15 kt with gusts up to 20 kt.
Waves 2 to 4 ft. A chance of snow.
Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.
$$
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