FZUS51 KBOX 241205
CWFBOX
Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
704 AM EST Wed Dec 24 2025
Coastal waters from the Merrimack River MA to Watch Hill RI out
to 25 NM
ANZ200-250100-
704 AM EST Wed Dec 24 2025
.Synopsis for Massachusetts and Rhode Island coastal waters...
Low pres shifts east of the region tonight as it intensifies. This
increasing pressure gradient will result in Gale forecast NNW winds
developing by daybreak Wed and continuing into the afternoon. High
pres builds in from the west late Wed into Wed night. This will be
followed by a strong cold front late Thu into Thu night. A wave of
low pres should then pass to our south late Fri into Sat with a
ridge of high pres building in from the west by Sun.
$$
ANZ250-250100-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
705 AM EST Wed Dec 24 2025
...GALE WARNING IN EFFECT UNTIL 5 PM EST THIS AFTERNOON...
.TODAY...NW winds 25 to 30 kt, becoming N this afternoon. Gusts
up to 40 kt. Seas 4 to 6 ft, building to 7 to 10 ft this
afternoon. Wave Detail: W 5 ft at 5 seconds and E 2 ft at
6 seconds, becoming E 9 ft at 8 seconds and NW 5 ft at 5 seconds.
Patchy fog. A chance of showers this morning, then showers likely
this afternoon. Vsby 1 to 3 NM, decreasing to 1 NM or less this
afternoon.
.TONIGHT...N winds 15 to 20 kt, becoming W 10 to 15 kt after
midnight. Gusts up to 25 kt. Seas 7 to 9 ft, subsiding to 5 to
7 ft after midnight. Wave Detail: E 9 ft at 9 seconds and N 3 ft
at 6 seconds, becoming E 7 ft at 9 seconds and N 1 foot at
5 seconds.
.THU...SW winds 15 to 20 kt, becoming NW 20 to 25 kt in the
afternoon. Gusts up to 30 kt. Seas 5 to 6 ft. Wave Detail: E 6 ft
at 10 seconds and W 5 ft at 4 seconds.
.THU NIGHT...NW winds 25 to 30 kt with gusts up to 35 kt. Seas
6 to 9 ft. Wave Detail: N 9 ft at 7 seconds and E 4 ft at
10 seconds.
.FRI...N winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. Gusts up to 30 kt. Seas 5 to 8 ft. Wave Detail: N 8 ft
at 7 seconds and E 2 ft at 10 seconds.
.FRI NIGHT...NE winds 10 to 15 kt. Seas 4 to 5 ft. Wave Detail:
NE 5 ft at 8 seconds and E 4 ft at 12 seconds. A chance of snow
after midnight.
.SAT...NE winds 10 to 15 kt. Seas 4 to 5 ft. A chance of snow.
.SAT NIGHT...N winds 5 to 10 kt. Seas 4 to 5 ft.
.SUN...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
4 ft. A chance of rain.
.SUN NIGHT...S winds 20 to 25 kt with gusts up to 30 kt. Seas
4 to 5 ft. Rain.
Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.
$$
ANZ251-250100-
Massachusetts Bay and Ipswich Bay-
705 AM EST Wed Dec 24 2025
...GALE WARNING IN EFFECT UNTIL 3 PM EST THIS AFTERNOON...
.TODAY...NW winds 25 to 30 kt with gusts up to 40 kt. Seas 3 to
5 ft, building to 5 to 7 ft this afternoon. Wave Detail: NW 4 ft
at 4 seconds and E 1 foot at 5 seconds, becoming N 4 ft at
5 seconds and E 4 ft at 8 seconds. Patchy fog. A slight chance of
showers this morning. Showers likely with a chance of snow
showers this afternoon. Vsby 1 to 3 NM, decreasing to 1 NM or
less this afternoon.
.TONIGHT...N winds 15 to 20 kt with gusts up to 25 kt, becoming W
10 to 15 kt after midnight. Seas 5 to 8 ft, subsiding to 4 to
6 ft after midnight. Wave Detail: E 7 ft at 9 seconds and N 4 ft
at 6 seconds, becoming E 6 ft at 9 seconds and N 1 foot at
6 seconds.
.THU...SW winds around 15 kt with gusts up to 20 kt, becoming NW
20 to 25 kt with gusts up to 30 kt in the afternoon. Seas 4 to
5 ft. Wave Detail: E 5 ft at 9 seconds and W 3 ft at 4 seconds.
.THU NIGHT...NW winds 25 to 30 kt with gusts up to 35 kt. Seas
4 to 6 ft. Wave Detail: N 6 ft at 6 seconds and E 4 ft at
10 seconds.
.FRI...N winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. Seas 3 to 5 ft. Wave Detail: N 5 ft at 6 seconds and E
2 ft at 10 seconds.
.FRI NIGHT...N winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: NE
4 ft at 8 seconds and E 2 ft at 10 seconds. A chance of snow.
.SAT...NE winds 10 to 15 kt. Seas 3 to 4 ft. A chance of snow.
.SAT NIGHT...N winds 5 to 10 kt. Seas 3 to 4 ft.
.SUN...SW winds 10 to 15 kt. Seas 2 to 3 ft. A chance of rain.
.SUN NIGHT...S winds 20 to 25 kt. Seas 3 to 4 ft. 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.
$$
ANZ231-250100-
Cape Cod Bay-
705 AM EST Wed Dec 24 2025
...GALE WARNING IN EFFECT UNTIL 3 PM EST THIS AFTERNOON...
.TODAY...NW winds 25 to 30 kt, becoming N this afternoon. Gusts
up to 40 kt. Seas 3 to 5 ft, building to 5 to 7 ft this
afternoon. Wave Detail: NW 5 ft at 5 seconds and E 1 foot at
5 seconds, becoming N 6 ft at 6 seconds and E 4 ft at 9 seconds.
A chance of showers. Vsby 1 to 3 NM this afternoon.
.TONIGHT...N winds 15 to 20 kt with gusts up to 25 kt, becoming W
5 to 10 kt after midnight. Seas 4 to 6 ft, subsiding to 2 to 4 ft
after midnight. Wave Detail: E 6 ft at 9 seconds and N 4 ft at
6 seconds, becoming E 4 ft at 9 seconds and N 3 ft at 6 seconds.
.THU...SW winds 15 to 20 kt, becoming W 20 to 25 kt in the
afternoon. Gusts up to 30 kt. Seas 3 to 5 ft. Wave Detail: E 4 ft
at 10 seconds and NW 3 ft at 5 seconds.
.THU NIGHT...NW winds 25 to 30 kt with gusts up to 35 kt. Seas
5 to 7 ft. Wave Detail: N 7 ft at 6 seconds and E 3 ft at
10 seconds.
.FRI...N winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. Gusts up to 30 kt. Seas 5 to 7 ft, subsiding to 3 to
5 ft in the afternoon. Wave Detail: N 7 ft at 7 seconds and E
2 ft at 10 seconds, becoming N 5 ft at 7 seconds and NE 2 ft at
10 seconds.
.FRI NIGHT...NE winds 5 to 10 kt. Seas 2 to 4 ft. Wave Detail: N
4 ft at 6 seconds and NE 3 ft at 10 seconds. A chance of snow.
.SAT...NE winds 10 to 15 kt. Seas 3 to 4 ft. A chance of snow.
.SAT NIGHT...N winds 5 to 10 kt. Seas 2 to 4 ft.
.SUN...SW winds 5 to 10 kt. Seas 2 to 3 ft. A chance of rain.
.SUN NIGHT...S winds 15 to 20 kt with gusts up to 25 kt. Seas
2 to 4 ft. Rain.
Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.
$$
ANZ254-250100-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
705 AM EST Wed Dec 24 2025
...GALE WARNING IN EFFECT UNTIL 5 PM EST THIS AFTERNOON...
.TODAY...NW winds 25 to 30 kt, becoming N this afternoon. Gusts
up to 40 kt. Seas 4 to 6 ft, building to 7 to 10 ft this
afternoon. Wave Detail: NW 6 ft at 5 seconds and E 1 foot at
5 seconds, becoming E 8 ft at 10 seconds and N 7 ft at 6 seconds.
A chance of showers. Patchy fog this afternoon with vsby 1 to
3 NM.
.TONIGHT...N winds 20 to 25 kt, becoming NW 10 to 15 kt after
midnight. Seas 7 to 9 ft, subsiding to 5 to 7 ft after midnight.
Wave Detail: NE 9 ft at 9 seconds and N 4 ft at 6 seconds,
becoming E 7 ft at 9 seconds and NW 2 ft at 6 seconds.
.THU...SW winds 15 to 20 kt, becoming W 20 to 25 kt in the
afternoon. Gusts up to 30 kt. Seas 5 to 7 ft. Wave Detail: E 7 ft
at 10 seconds and W 5 ft at 5 seconds.
.THU NIGHT...NW winds 25 to 30 kt with gusts up to 35 kt. Seas
6 to 9 ft, building to 8 to 10 ft after midnight. Wave Detail: N
8 ft at 6 seconds and E 5 ft at 10 seconds, becoming N 9 ft at
7 seconds and E 3 ft at 11 seconds. A chance of snow in the
evening.
.FRI...N winds 25 to 30 kt, diminishing to 15 to 20 kt in the
afternoon. Seas 6 to 9 ft. Wave Detail: N 9 ft at 7 seconds and E
8 ft at 11 seconds.
.FRI NIGHT...N winds 10 to 15 kt, becoming NE 5 to 10 kt after
midnight. Seas 4 to 6 ft. Wave Detail: NE 6 ft at 9 seconds and
NE 5 ft at 6 seconds. A chance of snow after midnight.
.SAT...NE winds 10 to 15 kt. Seas 4 to 5 ft. A chance of snow.
.SAT NIGHT...N winds 10 to 15 kt. Seas 4 to 5 ft.
.SUN...W winds 10 to 15 kt. Seas 3 to 5 ft. A chance of rain.
.SUN NIGHT...S winds 20 to 25 kt. Seas 4 to 6 ft. 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.
$$
ANZ255-250100-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
705 AM EST Wed Dec 24 2025
...GALE WARNING IN EFFECT UNTIL 5 PM EST THIS AFTERNOON...
.TODAY...NW winds 25 to 30 kt with gusts up to 40 kt. Seas 5 to
8 ft. Wave Detail: W 8 ft at 7 seconds and N 4 ft at 5 seconds. A
slight chance of showers this morning. A chance of showers this
afternoon with vsby 1 to 3 NM.
.TONIGHT...N winds 20 to 25 kt, becoming NW 5 to 10 kt after
midnight. Seas 5 to 7 ft. Wave Detail: E 6 ft at 10 seconds and N
5 ft at 6 seconds. A chance of showers in the evening.
.THU...W winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to
7 ft. Wave Detail: W 7 ft at 7 seconds and E 6 ft at 10 seconds.
.THU NIGHT...NW winds 25 to 35 kt. Seas 5 to 8 ft. Wave Detail: N
8 ft at 7 seconds and E 5 ft at 10 seconds.
.FRI...N winds 25 to 30 kt, diminishing to 15 to 20 kt in the
afternoon. Seas 5 to 7 ft. Wave Detail: N 6 ft at 6 seconds and E
4 ft at 11 seconds.
.FRI NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. Wave Detail: E
4 ft at 11 seconds and N 2 ft at 5 seconds. A chance of snow in
the evening, then snow likely after midnight with vsby 1 to 3 NM.
.SAT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
5 ft. A chance of snow. Vsby 1 to 3 NM.
.SAT NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft.
.SUN...SW winds 10 to 15 kt. Seas 3 to 5 ft. A chance of rain.
.SUN NIGHT...S winds 25 to 30 kt. Seas 4 to 6 ft. Rain.
Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.
$$
ANZ256-250100-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
705 AM EST Wed Dec 24 2025
...GALE WARNING IN EFFECT UNTIL 5 PM EST THIS AFTERNOON...
.TODAY...NW winds 25 to 30 kt with gusts up to 40 kt. Seas 5 to
7 ft. Wave Detail: N 7 ft at 6 seconds and SE 1 foot at
10 seconds. A slight chance of showers this morning.
.TONIGHT...N winds 20 to 25 kt with gusts up to 30 kt, becoming W
10 to 15 kt after midnight. Seas 4 to 6 ft, subsiding to 2 to
4 ft after midnight. Wave Detail: N 6 ft at 6 seconds and E
1 foot at 10 seconds, becoming NE 2 ft at 4 seconds and W 2 ft at
6 seconds.
.THU...W winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to
5 ft, building to 5 to 6 ft in the afternoon. Wave Detail: SW
5 ft at 5 seconds and E 4 ft at 10 seconds, becoming W 6 ft at
6 seconds and E 4 ft at 10 seconds.
.THU NIGHT...N winds 25 to 30 kt with gusts up to 35 kt. Seas
4 to 6 ft. Wave Detail: N 6 ft at 6 seconds and E 4 ft at
10 seconds.
.FRI...N winds 20 to 25 kt with gusts up to 30 kt, diminishing to
10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 3 to
5 ft. Wave Detail: N 5 ft at 5 seconds and E 3 ft at 10 seconds.
.FRI NIGHT...NE winds 10 to 15 kt. Gusts up to 20 kt after
midnight. Seas 2 to 3 ft. Wave Detail: NE 2 ft at 4 seconds and W
2 ft at 5 seconds. A chance of snow in the evening, then snow
likely after midnight. Vsby 1 NM or less.
.SAT...NE winds 15 to 20 kt. Seas 3 to 5 ft. Snow likely with a
chance of rain. Vsby 1 to 3 NM.
.SAT NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 5 ft.
.SUN...SE winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
5 ft. A chance of rain.
.SUN NIGHT...SW winds 25 to 30 kt. Seas 4 to 6 ft. 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.
$$
ANZ232-250100-
Nantucket Sound-
705 AM EST Wed Dec 24 2025
...GALE WARNING IN EFFECT UNTIL 3 PM EST THIS AFTERNOON...
.TODAY...NW winds 25 to 30 kt, becoming N this afternoon. Gusts
up to 40 kt. Seas 3 to 5 ft. Wave Detail: N 5 ft at 5 seconds and
E 2 ft at 10 seconds. A chance of showers.
.TONIGHT...N winds 15 to 20 kt with gusts up to 25 kt, becoming W
5 to 10 kt after midnight. Seas 3 to 5 ft. Wave Detail: NE 3 ft
at 4 seconds and E 3 ft at 10 seconds.
.THU...W winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to
4 ft. Wave Detail: W 4 ft at 5 seconds and E 3 ft at 10 seconds.
.THU NIGHT...NW winds 25 to 30 kt. Seas 3 to 5 ft. Wave Detail: N
5 ft at 5 seconds and E 3 ft at 10 seconds.
.FRI...N winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. Seas 2 to 4 ft. Wave Detail: N 4 ft at 5 seconds and E
2 ft at 11 seconds.
.FRI NIGHT...N winds 10 to 15 kt, becoming NE 5 to 10 kt after
midnight. Seas 2 to 3 ft. Wave Detail: N 2 ft at 5 seconds and E
2 ft at 11 seconds. A chance of snow. Vsby 1 to 3 NM after
midnight.
.SAT...NE winds 10 to 15 kt. Seas 2 to 3 ft. A chance of snow.
.SAT NIGHT...N winds 10 to 15 kt. Seas 2 to 3 ft.
.SUN...W winds 10 to 15 kt. Seas 2 to 3 ft. A chance of rain.
.SUN NIGHT...S winds 20 to 25 kt. Seas 2 to 4 ft. Rain.
Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.
$$
ANZ233-250100-
Vineyard Sound-
705 AM EST Wed Dec 24 2025
...GALE WARNING IN EFFECT UNTIL 3 PM EST THIS AFTERNOON...
.TODAY...NW winds 20 to 25 kt, becoming N 25 to 30 kt this
afternoon. Gusts up to 40 kt. Seas 3 to 4 ft. Wave Detail: W 4 ft
at 5 seconds and NE 2 ft at 6 seconds. A slight chance of showers
this morning. A chance of showers this afternoon with vsby 1 to
3 NM.
.TONIGHT...N winds 15 to 20 kt with gusts up to 25 kt, becoming W
5 to 10 kt after midnight. Seas 2 to 3 ft. Wave Detail: N 2 ft at
5 seconds and E 2 ft at 10 seconds.
.THU...SW winds 15 to 20 kt, becoming W in the afternoon. Gusts
up to 30 kt. Seas 2 to 4 ft. Wave Detail: SW 4 ft at 6 seconds
and E 2 ft at 10 seconds.
.THU NIGHT...N winds 25 to 30 kt, diminishing to 20 to 25 kt
after midnight. Seas 3 to 4 ft. Wave Detail: N 4 ft at 6 seconds
and E 2 ft at 11 seconds.
.FRI...N winds 20 to 25 kt, diminishing to 10 to 15 kt in the
afternoon. Seas 2 to 3 ft. Wave Detail: N 3 ft at 5 seconds and E
1 foot at 11 seconds.
.FRI NIGHT...N winds 5 to 10 kt, becoming NE 10 to 15 kt after
midnight. Seas 1 foot or less. Wave Detail: NE 1 foot at
3 seconds and W 1 foot at 5 seconds. A chance of snow in the
evening, then snow likely after midnight with vsby 1 to 3 NM.
.SAT...NE winds 10 to 15 kt. Seas around 2 ft. Snow likely. Vsby
1 to 3 NM.
.SAT NIGHT...NE winds 10 to 15 kt. Seas around 2 ft.
.SUN...SW winds 10 to 15 kt. Seas 2 to 3 ft. A chance of rain.
.SUN NIGHT...S winds 25 to 30 kt. Seas 2 to 4 ft. 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.
$$
ANZ234-250100-
Buzzards Bay-
705 AM EST Wed Dec 24 2025
...GALE WARNING IN EFFECT UNTIL 3 PM EST THIS AFTERNOON...
.TODAY...NW winds 20 to 25 kt with gusts up to 35 kt. Seas 3 to
4 ft. Wave Detail: W 4 ft at 5 seconds and NE 2 ft at 6 seconds.
A slight chance of showers this morning. A chance of rain and
snow showers this afternoon with vsby 1 to 3 NM.
.TONIGHT...N winds 15 to 20 kt with gusts up to 25 kt, becoming W
5 to 10 kt after midnight. Seas 2 to 4 ft. Wave Detail: E 3 ft at
10 seconds and NW 2 ft at 5 seconds.
.THU...SW winds 15 to 20 kt, becoming W in the afternoon. Gusts
up to 25 kt. Seas 2 to 4 ft. Wave Detail: SW 4 ft at 5 seconds
and E 2 ft at 10 seconds.
.THU NIGHT...N winds 20 to 25 kt with gusts up to 30 kt. Seas
around 3 ft. Wave Detail: N 3 ft at 5 seconds and E 2 ft at
11 seconds.
.FRI...N winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. Gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: N 3 ft
at 5 seconds and E 1 foot at 11 seconds.
.FRI NIGHT...N winds 5 to 10 kt. Seas around 2 ft. Wave Detail:
NE 1 foot at 3 seconds and W 1 foot at 6 seconds. A chance of
snow in the evening, then snow likely after midnight with vsby
1 to 3 NM.
.SAT...NE winds 10 to 15 kt. Seas 2 to 3 ft. A chance of snow.
Vsby 1 to 3 NM.
.SAT NIGHT...N winds 5 to 10 kt. Seas 2 to 3 ft.
.SUN...SW winds 10 to 15 kt. Seas around 2 ft. A chance of rain.
.SUN NIGHT...S winds 20 to 25 kt. Seas 2 to 4 ft. Rain.
Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.
$$
ANZ235-250100-
Rhode Island Sound-
705 AM EST Wed Dec 24 2025
...GALE WARNING IN EFFECT UNTIL 3 PM EST THIS AFTERNOON...
.TODAY...NW winds 25 to 30 kt with gusts up to 40 kt. Seas 3 to
5 ft. Wave Detail: N 5 ft at 6 seconds and SE 1 foot at
10 seconds. A slight chance of showers this morning.
.TONIGHT...N winds 20 to 25 kt, becoming W 10 to 15 kt after
midnight. Seas 2 to 4 ft. Wave Detail: N 4 ft at 5 seconds and E
2 ft at 10 seconds.
.THU...SW winds 20 to 25 kt, becoming W in the afternoon. Gusts
up to 30 kt. Seas 2 to 4 ft, building to 4 to 5 ft in the
afternoon. Wave Detail: SW 4 ft at 5 seconds and E 2 ft at
11 seconds, becoming W 5 ft at 6 seconds and E 2 ft at
11 seconds.
.THU NIGHT...N winds 20 to 25 kt with gusts up to 30 kt. Seas
around 4 ft. Wave Detail: N 4 ft at 6 seconds and E 2 ft at
11 seconds.
.FRI...N winds 20 to 25 kt, diminishing to 10 to 15 kt in the
afternoon. Seas 3 to 4 ft, subsiding to 2 ft in the afternoon.
Wave Detail: N 4 ft at 5 seconds and SE 2 ft at 11 seconds,
becoming NE 2 ft at 4 seconds and W 2 ft at 5 seconds.
.FRI NIGHT...NE winds 10 to 15 kt. Seas around 2 ft. Wave Detail:
NE 2 ft at 3 seconds and SW 1 foot at 5 seconds. A chance of snow
in the evening, then snow likely after midnight with vsby 1 NM or
less.
.SAT...NE winds around 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. Snow likely. Vsby 1 to 3 NM.
.SAT NIGHT...NE winds 10 to 15 kt. Seas 2 to 3 ft.
.SUN...S winds 10 to 15 kt. Seas 2 to 4 ft. A chance of rain.
.SUN NIGHT...SW winds 20 to 25 kt with gusts up to 30 kt. Seas
3 to 5 ft. 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.
$$
ANZ237-250100-
Block Island Sound-
705 AM EST Wed Dec 24 2025
...GALE WARNING IN EFFECT UNTIL 3 PM EST THIS AFTERNOON...
.TODAY...NW winds 20 to 25 kt with gusts up to 40 kt. Seas 3 to
5 ft. Wave Detail: NW 4 ft at 5 seconds and SE 1 foot at
10 seconds.
.TONIGHT...N winds 15 to 20 kt with gusts up to 25 kt, becoming W
5 to 10 kt after midnight. Seas 2 to 3 ft. Wave Detail: NE 2 ft
at 4 seconds and W 2 ft at 6 seconds.
.THU...W winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to
4 ft. Wave Detail: W 4 ft at 5 seconds and E 2 ft at 11 seconds.
.THU NIGHT...N winds 15 to 20 kt with gusts up to 30 kt. Seas
3 to 4 ft. Wave Detail: N 4 ft at 5 seconds and E 3 ft at
11 seconds.
.FRI...N winds 15 to 20 kt with gusts up to 25 kt, becoming NE
10 to 15 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: N 3 ft
at 5 seconds and E 2 ft at 10 seconds.
.FRI NIGHT...NE winds 5 to 10 kt, increasing to 10 to 15 kt with
gusts up to 20 kt after midnight. Seas around 2 ft. Wave Detail:
NE 2 ft at 3 seconds and W 1 foot at 5 seconds. A chance of snow
in the evening, then snow likely after midnight. Vsby 1 NM or
less.
.SAT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. Snow likely. Vsby 1 to 3 NM.
.SAT NIGHT...NE winds 10 to 15 kt. Seas 2 to 3 ft.
.SUN...SE winds 10 to 15 kt. Seas 2 to 3 ft. A chance of rain.
.SUN NIGHT...SW winds 20 to 25 kt with gusts up to 30 kt. Seas
3 to 5 ft. Rain.
Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.
$$
ANZ230-250100-
Boston Harbor-
705 AM EST Wed Dec 24 2025
...GALE WARNING IN EFFECT UNTIL 3 PM EST THIS AFTERNOON...
.TODAY...NW winds 20 to 25 kt with gusts up to 35 kt. Waves
around 2 ft. At the outer harbor entrance, waves 2 to 4 ft,
building to 4 to 6 ft this afternoon. A slight chance of showers
this morning. A chance of rain and snow showers this afternoon
with vsby 1 to 3 NM.
.TONIGHT...NW winds 10 to 15 kt with gusts up to 20 kt, becoming
W 5 to 10 kt after midnight. Waves around 2 ft in the evening,
then 1 foot or less. At the outer harbor entrance, waves 3 to
5 ft.
.THU...SW winds 10 to 15 kt, becoming NW 15 to 20 kt in the
afternoon. Gusts up to 25 kt. Waves around 2 ft.
.THU NIGHT...NW winds 25 to 30 kt, diminishing to 20 to 25 kt
after midnight. Waves around 2 ft, except 3 to 5 ft at the outer
harbor entrance.
.FRI...NW winds 15 to 20 kt with gusts up to 25 kt, becoming N
10 to 15 kt in the afternoon. Waves around 2 ft.
.FRI NIGHT...N winds 5 to 10 kt. Waves 1 foot or less. A chance
of snow.
.SAT...N winds around 10 kt. Waves 2 to 3 ft. A chance of snow.
.SAT NIGHT...N winds 5 to 10 kt. Waves 1 foot or less.
.SUN...SW winds 10 to 15 kt. Waves around 2 ft. A chance of rain.
.SUN NIGHT...S winds 15 to 20 kt with gusts up to 25 kt. Waves
around 2 ft. 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.
$$
ANZ236-250100-
Narragansett Bay-
705 AM EST Wed Dec 24 2025
...GALE WARNING IN EFFECT UNTIL 3 PM EST THIS AFTERNOON...
.TODAY...NW winds 15 to 20 kt, becoming N 20 to 25 kt this
afternoon. Gusts up to 35 kt. Waves 2 to 3 ft. A slight chance of
showers this morning.
.TONIGHT...N winds 10 to 15 kt with gusts up to 25 kt, becoming W
5 to 10 kt after midnight. Waves 2 to 3 ft.
.THU...SW winds 10 to 15 kt, becoming W in the afternoon. Gusts
up to 25 kt. Waves 2 to 4 ft.
.THU NIGHT...N winds 15 to 20 kt with gusts up to 25 kt. Waves
2 to 3 ft.
.FRI...N winds 15 to 20 kt with gusts up to 25 kt, diminishing to
5 to 10 kt in the afternoon. Waves 2 to 3 ft.
.FRI NIGHT...NE winds 5 to 10 kt. Waves around 2 ft. A chance of
snow in the evening, then snow likely after midnight with vsby
1 to 3 NM.
.SAT...NE winds 10 to 15 kt. Waves 2 to 3 ft. Snow likely. Vsby
1 to 3 NM.
.SAT NIGHT...N winds 5 to 10 kt. Waves 2 to 3 ft.
.SUN...SW winds 5 to 10 kt. Waves around 2 ft. A chance of rain.
.SUN NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Waves
2 to 4 ft. Rain.
Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.
$$
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CWFBOX
Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
704 AM EST Wed Dec 24 2025
Coastal waters from the Merrimack River MA to Watch Hill RI out
to 25 NM
ANZ200-250100-
704 AM EST Wed Dec 24 2025
.Synopsis for Massachusetts and Rhode Island coastal waters...
Low pres shifts east of the region tonight as it intensifies. This
increasing pressure gradient will result in Gale forecast NNW winds
developing by daybreak Wed and continuing into the afternoon. High
pres builds in from the west late Wed into Wed night. This will be
followed by a strong cold front late Thu into Thu night. A wave of
low pres should then pass to our south late Fri into Sat with a
ridge of high pres building in from the west by Sun.
$$
ANZ250-250100-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
705 AM EST Wed Dec 24 2025
...GALE WARNING IN EFFECT UNTIL 5 PM EST THIS AFTERNOON...
.TODAY...NW winds 25 to 30 kt, becoming N this afternoon. Gusts
up to 40 kt. Seas 4 to 6 ft, building to 7 to 10 ft this
afternoon. Wave Detail: W 5 ft at 5 seconds and E 2 ft at
6 seconds, becoming E 9 ft at 8 seconds and NW 5 ft at 5 seconds.
Patchy fog. A chance of showers this morning, then showers likely
this afternoon. Vsby 1 to 3 NM, decreasing to 1 NM or less this
afternoon.
.TONIGHT...N winds 15 to 20 kt, becoming W 10 to 15 kt after
midnight. Gusts up to 25 kt. Seas 7 to 9 ft, subsiding to 5 to
7 ft after midnight. Wave Detail: E 9 ft at 9 seconds and N 3 ft
at 6 seconds, becoming E 7 ft at 9 seconds and N 1 foot at
5 seconds.
.THU...SW winds 15 to 20 kt, becoming NW 20 to 25 kt in the
afternoon. Gusts up to 30 kt. Seas 5 to 6 ft. Wave Detail: E 6 ft
at 10 seconds and W 5 ft at 4 seconds.
.THU NIGHT...NW winds 25 to 30 kt with gusts up to 35 kt. Seas
6 to 9 ft. Wave Detail: N 9 ft at 7 seconds and E 4 ft at
10 seconds.
.FRI...N winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. Gusts up to 30 kt. Seas 5 to 8 ft. Wave Detail: N 8 ft
at 7 seconds and E 2 ft at 10 seconds.
.FRI NIGHT...NE winds 10 to 15 kt. Seas 4 to 5 ft. Wave Detail:
NE 5 ft at 8 seconds and E 4 ft at 12 seconds. A chance of snow
after midnight.
.SAT...NE winds 10 to 15 kt. Seas 4 to 5 ft. A chance of snow.
.SAT NIGHT...N winds 5 to 10 kt. Seas 4 to 5 ft.
.SUN...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
4 ft. A chance of rain.
.SUN NIGHT...S winds 20 to 25 kt with gusts up to 30 kt. Seas
4 to 5 ft. Rain.
Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.
$$
ANZ251-250100-
Massachusetts Bay and Ipswich Bay-
705 AM EST Wed Dec 24 2025
...GALE WARNING IN EFFECT UNTIL 3 PM EST THIS AFTERNOON...
.TODAY...NW winds 25 to 30 kt with gusts up to 40 kt. Seas 3 to
5 ft, building to 5 to 7 ft this afternoon. Wave Detail: NW 4 ft
at 4 seconds and E 1 foot at 5 seconds, becoming N 4 ft at
5 seconds and E 4 ft at 8 seconds. Patchy fog. A slight chance of
showers this morning. Showers likely with a chance of snow
showers this afternoon. Vsby 1 to 3 NM, decreasing to 1 NM or
less this afternoon.
.TONIGHT...N winds 15 to 20 kt with gusts up to 25 kt, becoming W
10 to 15 kt after midnight. Seas 5 to 8 ft, subsiding to 4 to
6 ft after midnight. Wave Detail: E 7 ft at 9 seconds and N 4 ft
at 6 seconds, becoming E 6 ft at 9 seconds and N 1 foot at
6 seconds.
.THU...SW winds around 15 kt with gusts up to 20 kt, becoming NW
20 to 25 kt with gusts up to 30 kt in the afternoon. Seas 4 to
5 ft. Wave Detail: E 5 ft at 9 seconds and W 3 ft at 4 seconds.
.THU NIGHT...NW winds 25 to 30 kt with gusts up to 35 kt. Seas
4 to 6 ft. Wave Detail: N 6 ft at 6 seconds and E 4 ft at
10 seconds.
.FRI...N winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. Seas 3 to 5 ft. Wave Detail: N 5 ft at 6 seconds and E
2 ft at 10 seconds.
.FRI NIGHT...N winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: NE
4 ft at 8 seconds and E 2 ft at 10 seconds. A chance of snow.
.SAT...NE winds 10 to 15 kt. Seas 3 to 4 ft. A chance of snow.
.SAT NIGHT...N winds 5 to 10 kt. Seas 3 to 4 ft.
.SUN...SW winds 10 to 15 kt. Seas 2 to 3 ft. A chance of rain.
.SUN NIGHT...S winds 20 to 25 kt. Seas 3 to 4 ft. 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.
$$
ANZ231-250100-
Cape Cod Bay-
705 AM EST Wed Dec 24 2025
...GALE WARNING IN EFFECT UNTIL 3 PM EST THIS AFTERNOON...
.TODAY...NW winds 25 to 30 kt, becoming N this afternoon. Gusts
up to 40 kt. Seas 3 to 5 ft, building to 5 to 7 ft this
afternoon. Wave Detail: NW 5 ft at 5 seconds and E 1 foot at
5 seconds, becoming N 6 ft at 6 seconds and E 4 ft at 9 seconds.
A chance of showers. Vsby 1 to 3 NM this afternoon.
.TONIGHT...N winds 15 to 20 kt with gusts up to 25 kt, becoming W
5 to 10 kt after midnight. Seas 4 to 6 ft, subsiding to 2 to 4 ft
after midnight. Wave Detail: E 6 ft at 9 seconds and N 4 ft at
6 seconds, becoming E 4 ft at 9 seconds and N 3 ft at 6 seconds.
.THU...SW winds 15 to 20 kt, becoming W 20 to 25 kt in the
afternoon. Gusts up to 30 kt. Seas 3 to 5 ft. Wave Detail: E 4 ft
at 10 seconds and NW 3 ft at 5 seconds.
.THU NIGHT...NW winds 25 to 30 kt with gusts up to 35 kt. Seas
5 to 7 ft. Wave Detail: N 7 ft at 6 seconds and E 3 ft at
10 seconds.
.FRI...N winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. Gusts up to 30 kt. Seas 5 to 7 ft, subsiding to 3 to
5 ft in the afternoon. Wave Detail: N 7 ft at 7 seconds and E
2 ft at 10 seconds, becoming N 5 ft at 7 seconds and NE 2 ft at
10 seconds.
.FRI NIGHT...NE winds 5 to 10 kt. Seas 2 to 4 ft. Wave Detail: N
4 ft at 6 seconds and NE 3 ft at 10 seconds. A chance of snow.
.SAT...NE winds 10 to 15 kt. Seas 3 to 4 ft. A chance of snow.
.SAT NIGHT...N winds 5 to 10 kt. Seas 2 to 4 ft.
.SUN...SW winds 5 to 10 kt. Seas 2 to 3 ft. A chance of rain.
.SUN NIGHT...S winds 15 to 20 kt with gusts up to 25 kt. Seas
2 to 4 ft. Rain.
Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.
$$
ANZ254-250100-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
705 AM EST Wed Dec 24 2025
...GALE WARNING IN EFFECT UNTIL 5 PM EST THIS AFTERNOON...
.TODAY...NW winds 25 to 30 kt, becoming N this afternoon. Gusts
up to 40 kt. Seas 4 to 6 ft, building to 7 to 10 ft this
afternoon. Wave Detail: NW 6 ft at 5 seconds and E 1 foot at
5 seconds, becoming E 8 ft at 10 seconds and N 7 ft at 6 seconds.
A chance of showers. Patchy fog this afternoon with vsby 1 to
3 NM.
.TONIGHT...N winds 20 to 25 kt, becoming NW 10 to 15 kt after
midnight. Seas 7 to 9 ft, subsiding to 5 to 7 ft after midnight.
Wave Detail: NE 9 ft at 9 seconds and N 4 ft at 6 seconds,
becoming E 7 ft at 9 seconds and NW 2 ft at 6 seconds.
.THU...SW winds 15 to 20 kt, becoming W 20 to 25 kt in the
afternoon. Gusts up to 30 kt. Seas 5 to 7 ft. Wave Detail: E 7 ft
at 10 seconds and W 5 ft at 5 seconds.
.THU NIGHT...NW winds 25 to 30 kt with gusts up to 35 kt. Seas
6 to 9 ft, building to 8 to 10 ft after midnight. Wave Detail: N
8 ft at 6 seconds and E 5 ft at 10 seconds, becoming N 9 ft at
7 seconds and E 3 ft at 11 seconds. A chance of snow in the
evening.
.FRI...N winds 25 to 30 kt, diminishing to 15 to 20 kt in the
afternoon. Seas 6 to 9 ft. Wave Detail: N 9 ft at 7 seconds and E
8 ft at 11 seconds.
.FRI NIGHT...N winds 10 to 15 kt, becoming NE 5 to 10 kt after
midnight. Seas 4 to 6 ft. Wave Detail: NE 6 ft at 9 seconds and
NE 5 ft at 6 seconds. A chance of snow after midnight.
.SAT...NE winds 10 to 15 kt. Seas 4 to 5 ft. A chance of snow.
.SAT NIGHT...N winds 10 to 15 kt. Seas 4 to 5 ft.
.SUN...W winds 10 to 15 kt. Seas 3 to 5 ft. A chance of rain.
.SUN NIGHT...S winds 20 to 25 kt. Seas 4 to 6 ft. 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.
$$
ANZ255-250100-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
705 AM EST Wed Dec 24 2025
...GALE WARNING IN EFFECT UNTIL 5 PM EST THIS AFTERNOON...
.TODAY...NW winds 25 to 30 kt with gusts up to 40 kt. Seas 5 to
8 ft. Wave Detail: W 8 ft at 7 seconds and N 4 ft at 5 seconds. A
slight chance of showers this morning. A chance of showers this
afternoon with vsby 1 to 3 NM.
.TONIGHT...N winds 20 to 25 kt, becoming NW 5 to 10 kt after
midnight. Seas 5 to 7 ft. Wave Detail: E 6 ft at 10 seconds and N
5 ft at 6 seconds. A chance of showers in the evening.
.THU...W winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to
7 ft. Wave Detail: W 7 ft at 7 seconds and E 6 ft at 10 seconds.
.THU NIGHT...NW winds 25 to 35 kt. Seas 5 to 8 ft. Wave Detail: N
8 ft at 7 seconds and E 5 ft at 10 seconds.
.FRI...N winds 25 to 30 kt, diminishing to 15 to 20 kt in the
afternoon. Seas 5 to 7 ft. Wave Detail: N 6 ft at 6 seconds and E
4 ft at 11 seconds.
.FRI NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. Wave Detail: E
4 ft at 11 seconds and N 2 ft at 5 seconds. A chance of snow in
the evening, then snow likely after midnight with vsby 1 to 3 NM.
.SAT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
5 ft. A chance of snow. Vsby 1 to 3 NM.
.SAT NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft.
.SUN...SW winds 10 to 15 kt. Seas 3 to 5 ft. A chance of rain.
.SUN NIGHT...S winds 25 to 30 kt. Seas 4 to 6 ft. Rain.
Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.
$$
ANZ256-250100-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
705 AM EST Wed Dec 24 2025
...GALE WARNING IN EFFECT UNTIL 5 PM EST THIS AFTERNOON...
.TODAY...NW winds 25 to 30 kt with gusts up to 40 kt. Seas 5 to
7 ft. Wave Detail: N 7 ft at 6 seconds and SE 1 foot at
10 seconds. A slight chance of showers this morning.
.TONIGHT...N winds 20 to 25 kt with gusts up to 30 kt, becoming W
10 to 15 kt after midnight. Seas 4 to 6 ft, subsiding to 2 to
4 ft after midnight. Wave Detail: N 6 ft at 6 seconds and E
1 foot at 10 seconds, becoming NE 2 ft at 4 seconds and W 2 ft at
6 seconds.
.THU...W winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to
5 ft, building to 5 to 6 ft in the afternoon. Wave Detail: SW
5 ft at 5 seconds and E 4 ft at 10 seconds, becoming W 6 ft at
6 seconds and E 4 ft at 10 seconds.
.THU NIGHT...N winds 25 to 30 kt with gusts up to 35 kt. Seas
4 to 6 ft. Wave Detail: N 6 ft at 6 seconds and E 4 ft at
10 seconds.
.FRI...N winds 20 to 25 kt with gusts up to 30 kt, diminishing to
10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 3 to
5 ft. Wave Detail: N 5 ft at 5 seconds and E 3 ft at 10 seconds.
.FRI NIGHT...NE winds 10 to 15 kt. Gusts up to 20 kt after
midnight. Seas 2 to 3 ft. Wave Detail: NE 2 ft at 4 seconds and W
2 ft at 5 seconds. A chance of snow in the evening, then snow
likely after midnight. Vsby 1 NM or less.
.SAT...NE winds 15 to 20 kt. Seas 3 to 5 ft. Snow likely with a
chance of rain. Vsby 1 to 3 NM.
.SAT NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 5 ft.
.SUN...SE winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
5 ft. A chance of rain.
.SUN NIGHT...SW winds 25 to 30 kt. Seas 4 to 6 ft. 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.
$$
ANZ232-250100-
Nantucket Sound-
705 AM EST Wed Dec 24 2025
...GALE WARNING IN EFFECT UNTIL 3 PM EST THIS AFTERNOON...
.TODAY...NW winds 25 to 30 kt, becoming N this afternoon. Gusts
up to 40 kt. Seas 3 to 5 ft. Wave Detail: N 5 ft at 5 seconds and
E 2 ft at 10 seconds. A chance of showers.
.TONIGHT...N winds 15 to 20 kt with gusts up to 25 kt, becoming W
5 to 10 kt after midnight. Seas 3 to 5 ft. Wave Detail: NE 3 ft
at 4 seconds and E 3 ft at 10 seconds.
.THU...W winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to
4 ft. Wave Detail: W 4 ft at 5 seconds and E 3 ft at 10 seconds.
.THU NIGHT...NW winds 25 to 30 kt. Seas 3 to 5 ft. Wave Detail: N
5 ft at 5 seconds and E 3 ft at 10 seconds.
.FRI...N winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. Seas 2 to 4 ft. Wave Detail: N 4 ft at 5 seconds and E
2 ft at 11 seconds.
.FRI NIGHT...N winds 10 to 15 kt, becoming NE 5 to 10 kt after
midnight. Seas 2 to 3 ft. Wave Detail: N 2 ft at 5 seconds and E
2 ft at 11 seconds. A chance of snow. Vsby 1 to 3 NM after
midnight.
.SAT...NE winds 10 to 15 kt. Seas 2 to 3 ft. A chance of snow.
.SAT NIGHT...N winds 10 to 15 kt. Seas 2 to 3 ft.
.SUN...W winds 10 to 15 kt. Seas 2 to 3 ft. A chance of rain.
.SUN NIGHT...S winds 20 to 25 kt. Seas 2 to 4 ft. Rain.
Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.
$$
ANZ233-250100-
Vineyard Sound-
705 AM EST Wed Dec 24 2025
...GALE WARNING IN EFFECT UNTIL 3 PM EST THIS AFTERNOON...
.TODAY...NW winds 20 to 25 kt, becoming N 25 to 30 kt this
afternoon. Gusts up to 40 kt. Seas 3 to 4 ft. Wave Detail: W 4 ft
at 5 seconds and NE 2 ft at 6 seconds. A slight chance of showers
this morning. A chance of showers this afternoon with vsby 1 to
3 NM.
.TONIGHT...N winds 15 to 20 kt with gusts up to 25 kt, becoming W
5 to 10 kt after midnight. Seas 2 to 3 ft. Wave Detail: N 2 ft at
5 seconds and E 2 ft at 10 seconds.
.THU...SW winds 15 to 20 kt, becoming W in the afternoon. Gusts
up to 30 kt. Seas 2 to 4 ft. Wave Detail: SW 4 ft at 6 seconds
and E 2 ft at 10 seconds.
.THU NIGHT...N winds 25 to 30 kt, diminishing to 20 to 25 kt
after midnight. Seas 3 to 4 ft. Wave Detail: N 4 ft at 6 seconds
and E 2 ft at 11 seconds.
.FRI...N winds 20 to 25 kt, diminishing to 10 to 15 kt in the
afternoon. Seas 2 to 3 ft. Wave Detail: N 3 ft at 5 seconds and E
1 foot at 11 seconds.
.FRI NIGHT...N winds 5 to 10 kt, becoming NE 10 to 15 kt after
midnight. Seas 1 foot or less. Wave Detail: NE 1 foot at
3 seconds and W 1 foot at 5 seconds. A chance of snow in the
evening, then snow likely after midnight with vsby 1 to 3 NM.
.SAT...NE winds 10 to 15 kt. Seas around 2 ft. Snow likely. Vsby
1 to 3 NM.
.SAT NIGHT...NE winds 10 to 15 kt. Seas around 2 ft.
.SUN...SW winds 10 to 15 kt. Seas 2 to 3 ft. A chance of rain.
.SUN NIGHT...S winds 25 to 30 kt. Seas 2 to 4 ft. 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.
$$
ANZ234-250100-
Buzzards Bay-
705 AM EST Wed Dec 24 2025
...GALE WARNING IN EFFECT UNTIL 3 PM EST THIS AFTERNOON...
.TODAY...NW winds 20 to 25 kt with gusts up to 35 kt. Seas 3 to
4 ft. Wave Detail: W 4 ft at 5 seconds and NE 2 ft at 6 seconds.
A slight chance of showers this morning. A chance of rain and
snow showers this afternoon with vsby 1 to 3 NM.
.TONIGHT...N winds 15 to 20 kt with gusts up to 25 kt, becoming W
5 to 10 kt after midnight. Seas 2 to 4 ft. Wave Detail: E 3 ft at
10 seconds and NW 2 ft at 5 seconds.
.THU...SW winds 15 to 20 kt, becoming W in the afternoon. Gusts
up to 25 kt. Seas 2 to 4 ft. Wave Detail: SW 4 ft at 5 seconds
and E 2 ft at 10 seconds.
.THU NIGHT...N winds 20 to 25 kt with gusts up to 30 kt. Seas
around 3 ft. Wave Detail: N 3 ft at 5 seconds and E 2 ft at
11 seconds.
.FRI...N winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. Gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: N 3 ft
at 5 seconds and E 1 foot at 11 seconds.
.FRI NIGHT...N winds 5 to 10 kt. Seas around 2 ft. Wave Detail:
NE 1 foot at 3 seconds and W 1 foot at 6 seconds. A chance of
snow in the evening, then snow likely after midnight with vsby
1 to 3 NM.
.SAT...NE winds 10 to 15 kt. Seas 2 to 3 ft. A chance of snow.
Vsby 1 to 3 NM.
.SAT NIGHT...N winds 5 to 10 kt. Seas 2 to 3 ft.
.SUN...SW winds 10 to 15 kt. Seas around 2 ft. A chance of rain.
.SUN NIGHT...S winds 20 to 25 kt. Seas 2 to 4 ft. Rain.
Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.
$$
ANZ235-250100-
Rhode Island Sound-
705 AM EST Wed Dec 24 2025
...GALE WARNING IN EFFECT UNTIL 3 PM EST THIS AFTERNOON...
.TODAY...NW winds 25 to 30 kt with gusts up to 40 kt. Seas 3 to
5 ft. Wave Detail: N 5 ft at 6 seconds and SE 1 foot at
10 seconds. A slight chance of showers this morning.
.TONIGHT...N winds 20 to 25 kt, becoming W 10 to 15 kt after
midnight. Seas 2 to 4 ft. Wave Detail: N 4 ft at 5 seconds and E
2 ft at 10 seconds.
.THU...SW winds 20 to 25 kt, becoming W in the afternoon. Gusts
up to 30 kt. Seas 2 to 4 ft, building to 4 to 5 ft in the
afternoon. Wave Detail: SW 4 ft at 5 seconds and E 2 ft at
11 seconds, becoming W 5 ft at 6 seconds and E 2 ft at
11 seconds.
.THU NIGHT...N winds 20 to 25 kt with gusts up to 30 kt. Seas
around 4 ft. Wave Detail: N 4 ft at 6 seconds and E 2 ft at
11 seconds.
.FRI...N winds 20 to 25 kt, diminishing to 10 to 15 kt in the
afternoon. Seas 3 to 4 ft, subsiding to 2 ft in the afternoon.
Wave Detail: N 4 ft at 5 seconds and SE 2 ft at 11 seconds,
becoming NE 2 ft at 4 seconds and W 2 ft at 5 seconds.
.FRI NIGHT...NE winds 10 to 15 kt. Seas around 2 ft. Wave Detail:
NE 2 ft at 3 seconds and SW 1 foot at 5 seconds. A chance of snow
in the evening, then snow likely after midnight with vsby 1 NM or
less.
.SAT...NE winds around 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. Snow likely. Vsby 1 to 3 NM.
.SAT NIGHT...NE winds 10 to 15 kt. Seas 2 to 3 ft.
.SUN...S winds 10 to 15 kt. Seas 2 to 4 ft. A chance of rain.
.SUN NIGHT...SW winds 20 to 25 kt with gusts up to 30 kt. Seas
3 to 5 ft. 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.
$$
ANZ237-250100-
Block Island Sound-
705 AM EST Wed Dec 24 2025
...GALE WARNING IN EFFECT UNTIL 3 PM EST THIS AFTERNOON...
.TODAY...NW winds 20 to 25 kt with gusts up to 40 kt. Seas 3 to
5 ft. Wave Detail: NW 4 ft at 5 seconds and SE 1 foot at
10 seconds.
.TONIGHT...N winds 15 to 20 kt with gusts up to 25 kt, becoming W
5 to 10 kt after midnight. Seas 2 to 3 ft. Wave Detail: NE 2 ft
at 4 seconds and W 2 ft at 6 seconds.
.THU...W winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to
4 ft. Wave Detail: W 4 ft at 5 seconds and E 2 ft at 11 seconds.
.THU NIGHT...N winds 15 to 20 kt with gusts up to 30 kt. Seas
3 to 4 ft. Wave Detail: N 4 ft at 5 seconds and E 3 ft at
11 seconds.
.FRI...N winds 15 to 20 kt with gusts up to 25 kt, becoming NE
10 to 15 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: N 3 ft
at 5 seconds and E 2 ft at 10 seconds.
.FRI NIGHT...NE winds 5 to 10 kt, increasing to 10 to 15 kt with
gusts up to 20 kt after midnight. Seas around 2 ft. Wave Detail:
NE 2 ft at 3 seconds and W 1 foot at 5 seconds. A chance of snow
in the evening, then snow likely after midnight. Vsby 1 NM or
less.
.SAT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. Snow likely. Vsby 1 to 3 NM.
.SAT NIGHT...NE winds 10 to 15 kt. Seas 2 to 3 ft.
.SUN...SE winds 10 to 15 kt. Seas 2 to 3 ft. A chance of rain.
.SUN NIGHT...SW winds 20 to 25 kt with gusts up to 30 kt. Seas
3 to 5 ft. Rain.
Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.
$$
ANZ230-250100-
Boston Harbor-
705 AM EST Wed Dec 24 2025
...GALE WARNING IN EFFECT UNTIL 3 PM EST THIS AFTERNOON...
.TODAY...NW winds 20 to 25 kt with gusts up to 35 kt. Waves
around 2 ft. At the outer harbor entrance, waves 2 to 4 ft,
building to 4 to 6 ft this afternoon. A slight chance of showers
this morning. A chance of rain and snow showers this afternoon
with vsby 1 to 3 NM.
.TONIGHT...NW winds 10 to 15 kt with gusts up to 20 kt, becoming
W 5 to 10 kt after midnight. Waves around 2 ft in the evening,
then 1 foot or less. At the outer harbor entrance, waves 3 to
5 ft.
.THU...SW winds 10 to 15 kt, becoming NW 15 to 20 kt in the
afternoon. Gusts up to 25 kt. Waves around 2 ft.
.THU NIGHT...NW winds 25 to 30 kt, diminishing to 20 to 25 kt
after midnight. Waves around 2 ft, except 3 to 5 ft at the outer
harbor entrance.
.FRI...NW winds 15 to 20 kt with gusts up to 25 kt, becoming N
10 to 15 kt in the afternoon. Waves around 2 ft.
.FRI NIGHT...N winds 5 to 10 kt. Waves 1 foot or less. A chance
of snow.
.SAT...N winds around 10 kt. Waves 2 to 3 ft. A chance of snow.
.SAT NIGHT...N winds 5 to 10 kt. Waves 1 foot or less.
.SUN...SW winds 10 to 15 kt. Waves around 2 ft. A chance of rain.
.SUN NIGHT...S winds 15 to 20 kt with gusts up to 25 kt. Waves
around 2 ft. 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.
$$
ANZ236-250100-
Narragansett Bay-
705 AM EST Wed Dec 24 2025
...GALE WARNING IN EFFECT UNTIL 3 PM EST THIS AFTERNOON...
.TODAY...NW winds 15 to 20 kt, becoming N 20 to 25 kt this
afternoon. Gusts up to 35 kt. Waves 2 to 3 ft. A slight chance of
showers this morning.
.TONIGHT...N winds 10 to 15 kt with gusts up to 25 kt, becoming W
5 to 10 kt after midnight. Waves 2 to 3 ft.
.THU...SW winds 10 to 15 kt, becoming W in the afternoon. Gusts
up to 25 kt. Waves 2 to 4 ft.
.THU NIGHT...N winds 15 to 20 kt with gusts up to 25 kt. Waves
2 to 3 ft.
.FRI...N winds 15 to 20 kt with gusts up to 25 kt, diminishing to
5 to 10 kt in the afternoon. Waves 2 to 3 ft.
.FRI NIGHT...NE winds 5 to 10 kt. Waves around 2 ft. A chance of
snow in the evening, then snow likely after midnight with vsby
1 to 3 NM.
.SAT...NE winds 10 to 15 kt. Waves 2 to 3 ft. Snow likely. Vsby
1 to 3 NM.
.SAT NIGHT...N winds 5 to 10 kt. Waves 2 to 3 ft.
.SUN...SW winds 5 to 10 kt. Waves around 2 ft. A chance of rain.
.SUN NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Waves
2 to 4 ft. Rain.
Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.
$$
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