National Weather Service Marine Forecast FZUS51 KBOX

FZUS51 KBOX 301705
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
104 PM EDT Sun Aug 30 2026

Coastal waters from the Merrimack River MA to Watch Hill RI out to 60 NM

ANZ200-310600
104 PM EDT Sun Aug 30 2026

Synopsis for Massachusetts and Rhode Island coastal waters

High pres moves past the waters today. A backdoor cold front expected over the MA waters Mon morning, which then should linger over or near the waters into mid week.

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ANZ250-310600
Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary
104 PM EDT Sun Aug 30 2026

THIS AFTERNOON
SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 3 seconds and E 2 ft at 7 seconds.

TONIGHT
SW winds 10 to 15 kt with gusts up to 20 kt, becoming NW 5 to 10 kt after midnight. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 3 seconds and E 2 ft at 7 seconds.

MON
N winds 5 to 10 kt, becoming E in the afternoon. Seas around 2 ft. Wave Detail: N 1 foot at 3 seconds and SW 1 foot at 3 seconds.

MON NIGHT
S winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: NW 1 foot at 2 seconds and NE 1 foot at 3 seconds.

TUE
S winds 5 to 10 kt, becoming SE 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas around 2 ft. Wave Detail: S 2 ft at 3 seconds and SE 1 foot at 8 seconds. A chance of showers in the morning, then showers likely in the afternoon.

TUE NIGHT
SE winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 4 seconds and W 1 foot at 3 seconds. A chance of showers.

WED
E winds 5 to 10 kt. Seas 2 to 4 ft.

WED NIGHT
SE winds 5 to 10 kt. Seas 2 to 4 ft. Showers likely.

THU
SE winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers.

THU NIGHT
SE winds 5 to 10 kt. Seas 3 to 5 ft. A chance of showers.

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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ANZ251-310600
Massachusetts Bay and Ipswich Bay
104 PM EDT Sun Aug 30 2026

THIS AFTERNOON
SW winds around 10 kt. Seas around 2 ft. Wave Detail: W 1 foot at 2 seconds and S 1 foot at 3 seconds.

TONIGHT
SW winds around 10 kt, becoming NW after midnight. Seas around 2 ft. Wave Detail: W 1 foot at 2 seconds and S 1 foot at 3 seconds.

MON
N winds 5 to 10 kt, becoming E in the afternoon. Seas 1 foot or less. Wave Detail: NW 1 foot at 2 seconds and SW 1 foot at 3 seconds.

MON NIGHT
S winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: N 1 foot at 2 seconds and SE 1 foot at 3 seconds. A chance of showers after midnight.

TUE AND TUE NIGHT
E winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Wave Detail: W 2 ft at 3 seconds and SE 2 ft at 4 seconds. Showers. A chance of showers after midnight.

WED
E winds 5 to 10 kt. Seas around 2 ft. Wave Detail: E 2 ft at 4 seconds and E 1 foot at 9 seconds.

WED NIGHT
SE winds 5 to 10 kt. Seas around 2 ft. Showers likely.

THU AND THU NIGHT
SE winds 5 to 10 kt, becoming E. Seas 2 to 3 ft. A chance of showers.

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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ANZ231-310600
Cape Cod Bay
104 PM EDT Sun Aug 30 2026

THIS AFTERNOON
SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: SW 1 foot at 3 seconds and NE 1 foot at 4 seconds.

TONIGHT
SW winds 10 to 15 kt with gusts up to 20 kt, becoming W 5 to 10 kt after midnight. Seas 2 to 3 ft. Wave Detail: W 2 ft at 3 seconds and NE 1 foot at 6 seconds. A chance of showers in the evening.

MON
N winds 5 to 10 kt, becoming NE in the afternoon. Seas 1 foot or less. Wave Detail: N 1 foot at 3 seconds and SW 1 foot at 4 seconds.

MON NIGHT
S winds around 5 kt. Seas 1 foot or less. Wave Detail: N 1 foot at 3 seconds and SE 1 foot at 3 seconds.

TUE AND TUE NIGHT
E winds 5 to 10 kt with gusts up to 20 kt. Seas around 2 ft. Wave Detail: E 2 ft at 3 seconds and NW 1 foot at 3 seconds. Showers likely. A chance of showers after midnight.

WED
E winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SE 1 foot at 3 seconds and E 1 foot at 10 seconds.

WED NIGHT
SE winds around 5 kt. Seas around 2 ft. Showers likely.

THU AND THU NIGHT
SE winds 5 to 10 kt, becoming SW. Seas around 2 ft. A chance of showers.

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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ANZ254-310600
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM
104 PM EDT Sun Aug 30 2026

THIS AFTERNOON
SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: W 2 ft at 4 seconds and SE 2 ft at 8 seconds.

TONIGHT
W winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: W 3 ft at 4 seconds and SE 2 ft at 8 seconds. A chance of showers.

MON
N winds 5 to 10 kt, becoming NE in the afternoon. Seas around 2 ft. Wave Detail: N 1 foot at 3 seconds and SW 1 foot at 5 seconds.

MON NIGHT
SE winds around 5 kt. Seas around 2 ft. Wave Detail: N 1 foot at 3 seconds and S 1 foot at 5 seconds.

TUE
SE winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SE 2 ft at 4 seconds and N 1 foot at 3 seconds. A chance of showers in the morning, then showers likely in the afternoon.

TUE NIGHT
E winds 10 to 15 kt. Seas 2 to 4 ft. Wave Detail: SE 2 ft at 4 seconds and SE 2 ft at 12 seconds. Showers likely, mainly in the evening.

WED
E winds 10 to 15 kt. Seas 3 to 4 ft.

WED NIGHT THROUGH THU NIGHT
S winds 5 to 10 kt. Seas 3 to 5 ft. A chance of showers.

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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ANZ255-310600
Coastal Waters extending out to 25 NM South of Marthas Vineyard and Nantucket
104 PM EDT Sun Aug 30 2026

THIS AFTERNOON
SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 7 seconds and W 2 ft at 4 seconds.

TONIGHT
W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 5 seconds and E 1 foot at 5 seconds. A chance of showers.

MON
N winds around 10 kt, becoming E in the afternoon. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 5 seconds and N 1 foot at 4 seconds.

MON NIGHT
SE winds 5 to 10 kt. Seas around 2 ft. Wave Detail: NE 1 foot at 3 seconds and SW 1 foot at 5 seconds.

TUE
SE winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Seas around 2 ft. Wave Detail: S 2 ft at 4 seconds and N 1 foot at 3 seconds. A chance of showers in the morning, then showers likely in the afternoon.

TUE NIGHT
E winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 4 seconds and SE 2 ft at 12 seconds. Showers likely in the evening. A chance of showers after midnight.

WED
E winds 10 to 15 kt. Seas 2 to 4 ft.

WED NIGHT THROUGH THU NIGHT
SW winds 5 to 10 kt. Seas 3 to 4 ft. A chance of showers.

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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ANZ256-310600
Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 NM South of Block Island
104 PM EDT Sun Aug 30 2026

THIS AFTERNOON
SW winds around 15 kt with gusts up to 20 kt. Seas around 3 ft. Wave Detail: SW 3 ft at 4 seconds and W 2 ft at 4 seconds.

TONIGHT
W winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. Wave Detail: SW 3 ft at 5 seconds and W 1 foot at 3 seconds. A chance of showers.

MON
N winds 5 to 10 kt, becoming E in the afternoon. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 5 seconds and N 1 foot at 3 seconds.

MON NIGHT
SE winds 5 to 10 kt. Seas around 2 ft. Wave Detail: E 1 foot at 3 seconds and SW 1 foot at 5 seconds. A chance of showers after midnight.

TUE
S winds 10 to 15 kt. Seas around 2 ft. Wave Detail: SE 2 ft at 4 seconds and N 1 foot at 3 seconds. A chance of showers in the morning, then showers likely in the afternoon.

TUE NIGHT
E winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 4 seconds and W 2 ft at 3 seconds. A chance of showers.

WED
E winds 10 to 15 kt. Seas 3 to 4 ft.

WED NIGHT AND THU
SE winds around 10 kt, becoming S. Seas 3 to 4 ft. A chance of showers.

THU NIGHT
W winds 10 to 15 kt. Seas 3 to 4 ft. A chance of showers.

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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ANZ232-310600
Nantucket Sound
104 PM EDT Sun Aug 30 2026

THIS AFTERNOON
SW winds 15 to 20 kt. Seas 2 to 3 ft. Wave Detail: W 2 ft at 4 seconds and E 1 foot at 5 seconds.

TONIGHT
SW winds 15 to 20 kt, becoming W 10 to 15 kt after midnight. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 4 seconds and W 2 ft at 4 seconds. A chance of showers.

MON
N winds around 10 kt, becoming E in the afternoon. Seas around 2 ft. Wave Detail: N 1 foot at 4 seconds and SW 1 foot at 5 seconds.

MON NIGHT
SE winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: E 1 foot at 2 seconds and N 1 foot at 3 seconds.

TUE
SE winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Seas around 2 ft. Wave Detail: SE 2 ft at 3 seconds and N 1 foot at 3 seconds. Showers likely.

TUE NIGHT
E winds 10 to 15 kt. Seas around 2 ft. Wave Detail: SE 2 ft at 4 seconds and W 1 foot at 3 seconds. Showers likely, mainly in the evening.

WED
E winds 10 to 15 kt. Seas 2 to 3 ft.

WED NIGHT THROUGH THU NIGHT
SW winds 10 to 15 kt. Seas 2 to 3 ft. A chance of showers.

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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ANZ233-310600
Vineyard Sound
104 PM EDT Sun Aug 30 2026

THIS AFTERNOON
SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 4 seconds and SW 2 ft at 3 seconds.

TONIGHT
SW winds 15 to 20 kt, becoming W 10 to 15 kt after midnight. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 5 seconds and W 2 ft at 3 seconds. A chance of showers.

MON
N winds 5 to 10 kt, becoming E in the afternoon. Seas around 2 ft. Wave Detail: SW 2 ft at 5 seconds and N 1 foot at 3 seconds.

MON NIGHT
S winds 5 to 10 kt. Seas around 2 ft in the evening, then 1 foot or less. Wave Detail: E 1 foot at 2 seconds and N 1 foot at 3 seconds. A chance of showers after midnight.

TUE
S winds 5 to 10 kt, becoming SE 10 to 15 kt in the afternoon. Seas around 2 ft. Wave Detail: SE 2 ft at 4 seconds and N 1 foot at 4 seconds. Showers likely.

TUE NIGHT
E winds 10 to 15 kt. Seas around 2 ft. Wave Detail: W 2 ft at 3 seconds and S 1 foot at 3 seconds. Showers likely, mainly in the evening.

WED
E winds around 10 kt. Seas around 2 ft.

WED NIGHT
SE winds 5 to 10 kt. Seas around 2 ft. Showers likely.

THU AND THU NIGHT
S winds 5 to 10 kt, becoming W. Seas around 2 ft. A chance of showers.

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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ANZ234-310600
Buzzards Bay
104 PM EDT Sun Aug 30 2026

THIS AFTERNOON
SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: SW 3 ft at 3 seconds and E 1 foot at 5 seconds.

TONIGHT
SW winds 15 to 20 kt with gusts up to 25 kt, becoming W 10 to 15 kt after midnight. Seas 2 to 4 ft. Wave Detail: SW 3 ft at 4 seconds and E 1 foot at 6 seconds. A chance of showers.

MON
N winds 5 to 10 kt, becoming E in the afternoon. Seas around 2 ft in the morning, then 1 foot or less. Wave Detail: N 1 foot at 3 seconds and SW 1 foot at 5 seconds.

MON NIGHT
S winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: SE 1 foot at 2 seconds and NW 1 foot at 3 seconds. A chance of showers after midnight.

TUE
S winds 5 to 10 kt, becoming SE 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas around 2 ft. Wave Detail: SE 2 ft at 4 seconds and N 1 foot at 3 seconds. Showers.

TUE NIGHT
E winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas around 2 ft. Wave Detail: W 2 ft at 3 seconds and SE 1 foot at 4 seconds. Showers likely, mainly in the evening.

WED
E winds around 10 kt. Seas around 2 ft.

WED NIGHT
SE winds 5 to 10 kt. Seas around 2 ft. Showers likely.

THU AND THU NIGHT
S winds 5 to 10 kt, becoming W. Seas around 2 ft. A chance of showers.

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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ANZ235-310600
Rhode Island Sound
104 PM EDT Sun Aug 30 2026

THIS AFTERNOON
SW winds 15 to 20 kt. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 4 seconds and SW 2 ft at 3 seconds.

TONIGHT
SW winds 15 to 20 kt, becoming W 10 to 15 kt after midnight. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 5 seconds and NE 1 foot at 8 seconds. A chance of showers.

MON
N winds 5 to 10 kt, becoming SE in the afternoon. Seas around 2 ft. Wave Detail: SW 2 ft at 5 seconds and N 1 foot at 3 seconds.

MON NIGHT
S winds 5 to 10 kt. Seas around 2 ft. Wave Detail: E 1 foot at 2 seconds and S 1 foot at 5 seconds. A chance of showers after midnight.

TUE
S winds 10 to 15 kt. Seas around 2 ft. Wave Detail: SE 2 ft at 4 seconds and N 1 foot at 3 seconds. Showers likely.

TUE NIGHT
E winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: W 2 ft at 3 seconds and SE 2 ft at 4 seconds. Showers likely, mainly in the evening.

WED
E winds 10 to 15 kt. Seas 2 to 3 ft. A chance of showers.

WED NIGHT
SE winds 5 to 10 kt. Seas 2 to 3 ft. Showers likely.

THU
S winds around 10 kt. Seas 2 to 3 ft. A chance of showers.

THU NIGHT
W winds around 10 kt. Seas 2 to 3 ft. A chance of showers.

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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ANZ237-310600
Block Island Sound
104 PM EDT Sun Aug 30 2026

THIS AFTERNOON
SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 4 seconds and E 2 ft at 7 seconds.

TONIGHT
SW winds 10 to 15 kt with gusts up to 20 kt, becoming W 5 to 10 kt after midnight. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 4 seconds and NE 2 ft at 9 seconds. A chance of showers.

MON
N winds 5 to 10 kt, becoming SE in the afternoon. Seas around 2 ft. Wave Detail: S 2 ft at 5 seconds and N 1 foot at 2 seconds.

MON NIGHT
S winds around 5 kt. Seas around 2 ft. Wave Detail: E 1 foot at 2 seconds and S 1 foot at 5 seconds. Showers likely after midnight.

TUE
S winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SE 2 ft at 3 seconds and N 1 foot at 3 seconds. Showers likely.

TUE NIGHT
E winds around 10 kt. Seas around 2 ft. Wave Detail: W 2 ft at 3 seconds and SE 2 ft at 4 seconds. Showers likely, mainly in the evening.

WED
E winds around 10 kt. Seas 2 to 3 ft. A chance of showers.

WED NIGHT
SE winds 5 to 10 kt. Seas 2 to 3 ft. Showers likely.

THU AND THU NIGHT
S winds 5 to 10 kt, becoming W. Seas 2 to 3 ft. A chance of showers.

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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ANZ230-310600
Boston Harbor
104 PM EDT Sun Aug 30 2026

THIS AFTERNOON
SW winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft.

TONIGHT
SW winds 10 to 15 kt with gusts up to 20 kt, becoming NW 5 to 10 kt after midnight. Waves around 2 ft in the evening, then 1 foot or less.

MON
NE winds 5 to 10 kt, becoming E in the afternoon. Waves 1 foot or less, then around 2 ft in the afternoon.

MON NIGHT
S winds 5 to 10 kt. Waves 1 foot or less. A chance of showers after midnight.

TUE AND TUE NIGHT
E winds 5 to 10 kt. Waves around 2 ft. Showers. A chance of showers after midnight.

WED
E winds 5 to 10 kt. Waves 1 foot or less. A chance of showers.

WED NIGHT AND THU
SE winds 5 to 10 kt. Waves 1 foot or less, then around 2 ft. Showers likely.

THU NIGHT
NW winds 5 to 10 kt. Waves 1 foot or less. A chance of showers.

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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ANZ236-310600
Narragansett Bay
104 PM EDT Sun Aug 30 2026

THIS AFTERNOON
SW winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to 3 ft.

TONIGHT
SW winds 10 to 15 kt with gusts up to 20 kt, becoming W 5 to 10 kt after midnight. Waves 2 to 3 ft. A chance of showers.

MON
N winds 5 to 10 kt, becoming SE in the afternoon. Waves around 2 ft in the morning, then 1 foot or less.

MON NIGHT
S winds 5 to 10 kt. Waves 1 foot or less. A chance of showers after midnight.

TUE
S winds 5 to 10 kt. Waves around 2 ft. Showers.

TUE NIGHT
E winds 5 to 10 kt. Waves around 2 ft. Showers likely, mainly in the evening.

WED
E winds 5 to 10 kt. Waves around 2 ft. A chance of showers.

WED NIGHT AND THU
SE winds 5 to 10 kt, becoming S. Waves around 2 ft. Showers likely.

THU NIGHT
W winds 5 to 10 kt. Waves around 2 ft. A chance of showers.

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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ANZ280-310600
Ocean Waters from the Merrimack River to Plymouth from 40 to 60 NM
104 PM EDT Sun Aug 30 2026

THIS AFTERNOON
SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 3 ft. Wave Detail: SW 2 ft at 4 seconds and SE 2 ft at 8 seconds.

TONIGHT
SW winds 15 to 20 kt, becoming NW 10 to 15 kt after midnight. Gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: SW 3 ft at 5 seconds and W 2 ft at 4 seconds.

MON
NE winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S 2 ft at 5 seconds and N 1 foot at 3 seconds.

MON NIGHT
S winds 5 to 10 kt. Seas around 2 ft. Wave Detail: N 1 foot at 3 seconds and S 1 foot at 5 seconds.

TUE
S winds 5 to 10 kt, becoming SE 10 to 15 kt in the afternoon. Seas around 2 ft. Wave Detail: SE 2 ft at 4 seconds and W 1 foot at 3 seconds. A chance of showers.

TUE NIGHT
E winds 10 to 15 kt. Gusts up to 20 kt after midnight. Seas 2 to 4 ft. Wave Detail: SE 3 ft at 4 seconds and SE 2 ft at 12 seconds. A chance of showers.

WED
E winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft.

WED NIGHT AND THU
SE winds 5 to 10 kt, increasing to 10 to 15 kt. Seas 3 to 4 ft. A chance of showers.

THU NIGHT
SE winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 6 ft. A chance of showers.

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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ANZ281-310600
Ocean Waters from Provincetown to Nantucket from 20 to 60 NM
104 PM EDT Sun Aug 30 2026

THIS AFTERNOON
SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: W 3 ft at 5 seconds and SE 2 ft at 8 seconds.

TONIGHT
W winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 4 ft. Wave Detail: W 3 ft at 5 seconds and SE 2 ft at 8 seconds. A chance of showers.

MON
N winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: W 2 ft at 5 seconds and N 1 foot at 3 seconds.

MON NIGHT
SE winds around 5 kt. Seas around 2 ft. Wave Detail: N 1 foot at 3 seconds and SW 1 foot at 5 seconds.

TUE
SE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 3 seconds and N 1 foot at 3 seconds. A chance of showers.

TUE NIGHT
E winds 10 to 15 kt. Gusts up to 20 kt after midnight. Seas 3 to 5 ft. Wave Detail: E 3 ft at 4 seconds and SE 2 ft at 13 seconds. A chance of showers.

WED
E winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 5 ft.

WED NIGHT AND THU
SE winds around 10 kt. Seas 3 to 4 ft. A chance of showers.

THU NIGHT
S winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 6 ft. A chance of showers.

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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ANZ282-310600
Ocean Waters from Marthas Vineyard to Nantucket from 25 to 60 NM
104 PM EDT Sun Aug 30 2026

THIS AFTERNOON
SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: W 2 ft at 4 seconds and S 2 ft at 7 seconds.

TONIGHT
W winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. Wave Detail: SW 3 ft at 5 seconds and SE 2 ft at 8 seconds. A chance of showers in the evening, then showers likely after midnight.

MON
N winds 5 to 10 kt, becoming NE in the afternoon. Seas 2 to 3 ft. Wave Detail: W 3 ft at 5 seconds and N 1 foot at 2 seconds. A chance of showers in the morning.

MON NIGHT
E winds around 5 kt. Seas around 2 ft. Wave Detail: N 1 foot at 3 seconds and SW 1 foot at 5 seconds.

TUE
SE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 2 ft at 3 seconds and N 1 foot at 3 seconds. A chance of showers.

TUE NIGHT
E winds around 10 kt. Seas 2 to 4 ft. Wave Detail: E 3 ft at 5 seconds and SE 2 ft at 9 seconds. A chance of showers.

WED AND WED NIGHT
E winds 5 to 10 kt. Seas 3 to 5 ft. A chance of showers.

THU
SE winds 5 to 10 kt. Seas 3 to 4 ft. A chance of showers.

THU NIGHT
SW winds around 10 kt. Seas 3 to 4 ft. A chance of showers.

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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ANZ283-310600
Ocean Waters from Montauk NY to Marthas Vineyard from 25 to 60 NM
104 PM EDT Sun Aug 30 2026

THIS AFTERNOON
SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 3 ft. Wave Detail: S 3 ft at 5 seconds and W 2 ft at 4 seconds.

TONIGHT
W winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. Wave Detail: W 4 ft at 4 seconds and SW 3 ft at 4 seconds. A chance of showers in the evening. Showers likely after midnight.

MON
N winds 5 to 10 kt, becoming E in the afternoon. Seas 2 to 3 ft. Wave Detail: W 3 ft at 5 seconds and N 1 foot at 2 seconds.

MON NIGHT
SE winds around 5 kt. Seas around 2 ft. Wave Detail: N 1 foot at 3 seconds and SW 1 foot at 4 seconds. A chance of showers after midnight.

TUE
SE winds 5 to 10 kt, becoming S 10 to 15 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 4 seconds and NW 1 foot at 3 seconds. A chance of showers.

TUE NIGHT
E winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 5 seconds and S 3 ft at 9 seconds. A chance of showers.

WED
E winds 10 to 15 kt. Seas 3 to 5 ft.

WED NIGHT AND THU
SE winds around 10 kt, becoming S. Seas 4 to 5 ft. A chance of showers.

THU NIGHT
W winds 10 to 15 kt. Seas 3 to 4 ft. A chance of showers.

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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