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National Weather Service Marine Forecast FZUS51 KBOX

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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