National Weather Service Marine Forecast FZUS51 KBOX

FZUS51 KBOX 100803
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
403 AM EDT Sat Oct 10 2026

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

ANZ200-102100
403 AM EDT Sat Oct 10 2026

Synopsis for Massachusetts and Rhode Island coastal waters

High pres builds in this weekend bringing lighter N/NE winds Saturday, becoming S overnight and increasing on Sunday. Turning more unsettled by late in the weekend with the return of rainfall and gusty S/SE winds Sunday afternoon, peaking Sunday night. More unsettled weather and breezy winds possible around late Tuesday/Tuesday night. High pressure returns middle to late next week.

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ANZ250-102100
Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary
403 AM EDT Sat Oct 10 2026

TODAY
NW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt this afternoon. Seas 2 to 3 ft. Wave Detail: NW 3 ft at 4 seconds and SE 1 foot at 8 seconds.

TONIGHT
W winds around 5 kt, becoming S around 5 kt after midnight. Seas around 2 ft. Wave Detail: N 2 ft at 5 seconds.

SUN
S winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S 2 ft at 3 seconds and SE 1 foot at 7 seconds.

SUN NIGHT
SE winds 5 to 10 kt, becoming E 10 to 15 kt with gusts up to 25 kt after midnight. Seas 2 to 3 ft. Wave Detail: S 2 ft at 3 seconds and SE 2 ft at 8 seconds. Showers.

MON
NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 7 seconds and S 1 foot at 4 seconds. Showers in the morning.

MON NIGHT
N winds 5 to 10 kt. Seas 2 to 4 ft. Wave Detail: SE 4 ft at 8 seconds and N 1 foot at 4 seconds.

TUE
E winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. A chance of showers.

TUE NIGHT
SE winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 4 ft. Showers likely.

WED
N winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 4 ft. A chance of showers.

WED NIGHT
N winds around 15 kt with gusts up to 25 kt. Seas 3 to 4 ft.

Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height.

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ANZ251-102100
Massachusetts Bay and Ipswich Bay
403 AM EDT Sat Oct 10 2026

TODAY
NW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt this afternoon. Seas around 2 ft. Wave Detail: NW 2 ft at 3 seconds and E 1 foot at 8 seconds.

TONIGHT
NW winds around 5 kt, becoming S after midnight. Seas 1 foot or less. Wave Detail: NW 1 foot at 2 seconds and NE 1 foot at 6 seconds.

SUN
S winds 5 to 10 kt. Seas 1 foot or less, then around 2 ft in the afternoon. Wave Detail: S 1 foot at 2 seconds and E 1 foot at 7 seconds, becoming SE 1 foot at 3 seconds and E 1 foot at 8 seconds.

SUN NIGHT
SE winds 5 to 10 kt, becoming E 10 to 15 kt with gusts up to 20 kt after midnight. Seas around 2 ft. Wave Detail: SE 2 ft at 3 seconds and E 2 ft at 8 seconds. Showers.

MON
NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 4 seconds. Showers in the morning.

MON NIGHT
N winds 5 to 10 kt. Seas around 2 ft. Wave Detail: E 2 ft at 7 seconds and N 1 foot at 4 seconds.

TUE
E winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. Showers likely.

TUE NIGHT
SE winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. Showers likely.

WED
N winds 15 to 20 kt with gusts up to 25 kt. Seas around 3 ft. A chance of showers.

WED NIGHT
N winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft.

Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height.

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ANZ231-102100
Cape Cod Bay
403 AM EDT Sat Oct 10 2026

TODAY
NW winds 10 to 15 kt with gusts up to 20 kt, becoming N 5 to 10 kt this afternoon. Seas around 2 ft. Wave Detail: NW 2 ft at 4 seconds and NE 2 ft at 8 seconds.

TONIGHT
SE winds around 5 kt. Seas 1 foot or less. Wave Detail: N 1 foot at 5 seconds.

SUN
S winds 5 to 10 kt. Seas 1 foot or less, then around 2 ft in the afternoon. Wave Detail: N 1 foot at 5 seconds, becoming S 1 foot at 2 seconds and NE 1 foot at 5 seconds.

SUN NIGHT
SE winds 5 to 10 kt, becoming E 10 to 15 kt with gusts up to 25 kt after midnight. Seas 1 foot or less, then 2 to 3 ft after midnight. Wave Detail: E 1 foot at 3 seconds, becoming E 2 ft at 4 seconds. Showers.

MON
NE winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: NE 2 ft at 3 seconds. Showers in the morning.

MON NIGHT
N winds 5 to 10 kt. Seas around 2 ft. Wave Detail: N 2 ft at 5 seconds.

TUE
E winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers.

TUE NIGHT
S winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Showers likely.

WED
NW winds 15 to 20 kt with gusts up to 25 kt. Seas around 3 ft. A chance of showers.

WED NIGHT
N winds 15 to 20 kt with gusts up to 25 kt. Seas around 3 ft.

Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height.

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ANZ254-102100
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM
403 AM EDT Sat Oct 10 2026

TODAY
N winds 10 to 15 kt. Gusts up to 20 kt this morning. Seas 2 to 3 ft. Wave Detail: NW 3 ft at 4 seconds and SE 1 foot at 8 seconds.

TONIGHT
N winds around 5 kt, becoming SE around 5 kt after midnight. Seas around 2 ft. Wave Detail: NW 2 ft at 4 seconds and NE 2 ft at 7 seconds.

SUN
SE winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S 2 ft at 3 seconds and E 2 ft at 7 seconds.

SUN NIGHT
SE winds 10 to 15 kt, increasing to 15 to 20 kt with gusts up to 25 kt after midnight. Seas 2 to 4 ft. Wave Detail: SE 4 ft at 7 seconds and S 2 ft at 4 seconds. Showers.

MON
E winds 10 to 15 kt, becoming N in the afternoon. Gusts up to 25 kt. Seas 4 to 6 ft. Wave Detail: SE 6 ft at 9 seconds and N 2 ft at 3 seconds. A chance of showers in the morning.

MON NIGHT
N winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas 4 to 6 ft. Wave Detail: SE 6 ft at 8 seconds and N 2 ft at 3 seconds.

TUE
E winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. A chance of showers.

TUE NIGHT
S winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. Showers likely with a chance of tstms.

WED
NW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. Showers likely.

WED NIGHT
N winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 5 ft.

Winds and seas higher in and near tstms.

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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ANZ255-102100
Coastal Waters extending out to 25 NM South of Marthas Vineyard and Nantucket
403 AM EDT Sat Oct 10 2026

TODAY
N winds 10 to 15 kt, diminishing to 5 to 10 kt this afternoon. Seas 2 to 3 ft. Wave Detail: NW 2 ft at 4 seconds and SE 2 ft at 8 seconds.

TONIGHT
E winds 5 to 10 kt. Seas around 2 ft. Wave Detail: E 2 ft at 7 seconds and W 1 foot at 4 seconds.

SUN
SE winds 10 to 15 kt. Seas around 2 ft. Wave Detail: SE 2 ft at 3 seconds and SE 2 ft at 7 seconds.

SUN NIGHT
SE winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft, building to 4 to 6 ft after midnight. Wave Detail: SE 3 ft at 6 seconds, becoming SE 6 ft at 9 seconds and SW 2 ft at 4 seconds. Showers. Patchy fog in the evening. Vsby 1 to 3 NM.

MON
N winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to 7 ft. Wave Detail: S 7 ft at 10 seconds and SE 2 ft at 5 seconds. Showers in the morning.

MON NIGHT
N winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas 4 to 6 ft. Wave Detail: E 6 ft at 9 seconds and N 2 ft at 4 seconds.

TUE
SE winds 10 to 15 kt. Seas 3 to 4 ft.

TUE NIGHT
S winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. Showers likely with a chance of tstms.

WED
NW winds around 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. Showers likely.

WED NIGHT
N winds 15 to 20 kt. Seas 3 to 5 ft.

Winds and seas higher in and near tstms.

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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ANZ256-102100
Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 NM South of Block Island
403 AM EDT Sat Oct 10 2026

TODAY
N winds 10 to 15 kt, becoming NE 5 to 10 kt this afternoon. Seas around 2 ft. Wave Detail: NW 2 ft at 4 seconds and SE 2 ft at 8 seconds.

TONIGHT
SE winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SE 2 ft at 7 seconds and NW 1 foot at 3 seconds.

SUN
SE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 5 seconds and SE 3 ft at 8 seconds. A chance of showers in the afternoon.

SUN NIGHT
E winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 4 ft, building to 5 to 7 ft after midnight. Wave Detail: SE 4 ft at 7 seconds, becoming SE 7 ft at 9 seconds and SE 2 ft at 3 seconds. Showers. Patchy fog in the evening. Vsby 1 to 3 NM.

MON
N winds 10 to 15 kt with gusts up to 25 kt. Seas 6 to 8 ft. Wave Detail: S 8 ft at 10 seconds and N 3 ft at 4 seconds. A chance of showers in the morning.

MON NIGHT
N winds 10 to 15 kt with gusts up to 20 kt, becoming NW 5 to 10 kt after midnight. Seas 4 to 6 ft. Wave Detail: E 6 ft at 9 seconds and N 2 ft at 4 seconds.

TUE
SE winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft.

TUE NIGHT
SW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. Showers likely.

WED
NW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. A chance of showers.

WED NIGHT
N winds 15 to 20 kt. Seas 3 to 4 ft.

Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height.

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ANZ232-102100
Nantucket Sound
403 AM EDT Sat Oct 10 2026

TODAY
N winds 10 to 15 kt, diminishing to 5 to 10 kt this afternoon. Seas around 2 ft. Wave Detail: NW 2 ft at 3 seconds and E 1 foot at 8 seconds.

TONIGHT
SE winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: NW 1 foot at 3 seconds and NE 1 foot at 6 seconds.

SUN
SE winds 10 to 15 kt. Seas around 2 ft. Wave Detail: SE 1 foot at 3 seconds and E 1 foot at 7 seconds.

SUN NIGHT
SE winds 10 to 15 kt, becoming E 15 to 20 kt after midnight. Gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: E 3 ft at 7 seconds and SE 2 ft at 3 seconds. Showers.

MON
NE winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: E 3 ft at 6 seconds and S 2 ft at 5 seconds. Showers in the morning.

MON NIGHT
N winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 4 ft. Wave Detail: NE 3 ft at 7 seconds and NW 1 foot at 5 seconds.

TUE
E winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers.

TUE NIGHT
S winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Showers likely with a chance of tstms.

WED
NW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Showers likely.

WED NIGHT
N winds 15 to 20 kt. Seas 2 to 3 ft.

Winds and seas higher in and near tstms.

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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ANZ233-102100
Vineyard Sound
403 AM EDT Sat Oct 10 2026

TODAY
N winds around 10 kt, becoming NW this afternoon. Seas around 2 ft this morning, then 1 foot or less. Wave Detail: NW 2 ft at 5 seconds and E 1 foot at 9 seconds, becoming W 1 foot at 4 seconds and E 1 foot at 8 seconds.

TONIGHT
SE winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: SW 1 foot at 4 seconds and SE 1 foot at 8 seconds.

SUN
SE winds 10 to 15 kt. Seas around 2 ft. Wave Detail: SE 1 foot at 3 seconds and SE 1 foot at 8 seconds.

SUN NIGHT
SE winds 10 to 15 kt, becoming E 15 to 20 kt after midnight. Gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: SE 4 ft at 8 seconds and SE 2 ft at 3 seconds. Showers. Patchy fog in the evening. Vsby 1 to 3 NM.

MON
N winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. Wave Detail: E 5 ft at 6 seconds. Showers in the morning.

MON NIGHT
N winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 4 ft. Wave Detail: E 4 ft at 7 seconds and NW 3 ft at 7 seconds.

TUE
SE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers.

TUE NIGHT
S winds 15 to 20 kt. Seas 2 to 4 ft. Showers likely with a chance of tstms.

WED
NW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 4 ft. A chance of showers.

WED NIGHT
N winds around 15 kt with gusts up to 20 kt. Seas 2 to 3 ft.

Winds and seas higher in and near tstms.

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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ANZ234-102100
Buzzards Bay
403 AM EDT Sat Oct 10 2026

TODAY
N winds around 10 kt, becoming NW this afternoon. Seas 1 foot or less. Wave Detail: NW 1 foot at 4 seconds and NE 1 foot at 8 seconds.

TONIGHT
SE winds around 5 kt. Seas 1 foot or less. Wave Detail: W 1 foot at 4 seconds and E 1 foot at 7 seconds.

SUN
SE winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SE 1 foot at 2 seconds and SE 1 foot at 7 seconds.

SUN NIGHT
SE winds 10 to 15 kt, becoming E 15 to 20 kt after midnight. Gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 8 seconds and SE 2 ft at 3 seconds. Showers. Patchy fog in the evening. Vsby 1 to 3 NM.

MON
N winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Wave Detail: E 3 ft at 5 seconds. Showers in the morning.

MON NIGHT
N winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: NE 2 ft at 6 seconds and NW 2 ft at 6 seconds.

TUE
SE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers.

TUE NIGHT
S winds 15 to 20 kt. Seas 2 to 3 ft. Showers likely with a chance of tstms.

WED
NW winds 15 to 20 kt with gusts up to 25 kt. Seas around 3 ft. A chance of showers.

WED NIGHT
N winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft.

Winds and seas higher in and near tstms.

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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ANZ235-102100
Rhode Island Sound
403 AM EDT Sat Oct 10 2026

TODAY
N winds around 10 kt, diminishing to around 5 kt this afternoon. Seas around 2 ft. Wave Detail: NW 2 ft at 4 seconds and SE 1 foot at 8 seconds.

TONIGHT
SE winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: SW 1 foot at 3 seconds and SE 1 foot at 8 seconds.

SUN
SE winds 10 to 15 kt. Seas around 2 ft. Wave Detail: SE 2 ft at 4 seconds and SE 2 ft at 7 seconds. A chance of showers in the afternoon.

SUN NIGHT
E winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft, building to 4 to 6 ft after midnight. Wave Detail: SE 3 ft at 7 seconds, becoming SE 6 ft at 9 seconds and SE 2 ft at 3 seconds. Showers. Patchy fog in the evening. Vsby 1 to 3 NM.

MON
N winds 10 to 15 kt with gusts up to 20 kt. Seas 5 to 7 ft. Wave Detail: E 7 ft at 9 seconds and SE 2 ft at 5 seconds. Showers likely in the morning.

MON NIGHT
N winds 10 to 15 kt, becoming NW 5 to 10 kt after midnight. Seas 4 to 6 ft. Wave Detail: SE 6 ft at 9 seconds and NW 3 ft at 6 seconds.

TUE
SE winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft.

TUE NIGHT
SW winds 15 to 20 kt. Seas 3 to 5 ft. Showers likely with a chance of tstms.

WED
NW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 4 ft. A chance of showers.

WED NIGHT
N winds around 15 kt with gusts up to 20 kt. Seas 2 to 3 ft.

Winds and seas higher in and near tstms.

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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ANZ237-102100
Block Island Sound
403 AM EDT Sat Oct 10 2026

TODAY
N winds 5 to 10 kt, becoming E this afternoon. Seas around 2 ft this morning, then 1 foot or less. Wave Detail: NW 1 foot at 3 seconds and E 1 foot at 8 seconds, becoming SW 1 foot at 3 seconds and SE 1 foot at 7 seconds.

TONIGHT
SE winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: SE 1 foot at 7 seconds.

SUN
SE winds 10 to 15 kt. Gusts up to 20 kt in the morning. Seas around 2 ft. Wave Detail: SE 2 ft at 3 seconds and SE 2 ft at 7 seconds. Showers likely in the afternoon.

SUN NIGHT
E winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft, building to 4 to 6 ft after midnight. Wave Detail: SE 3 ft at 7 seconds, becoming SE 6 ft at 9 seconds and SE 2 ft at 3 seconds. Showers. Patchy fog in the evening. Vsby 1 to 3 NM.

MON
N winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 6 ft. Wave Detail: SE 6 ft at 9 seconds and N 2 ft at 4 seconds. Showers likely in the morning.

MON NIGHT
NW winds 5 to 10 kt. Seas 4 to 6 ft. Wave Detail: S 6 ft at 9 seconds and NW 1 foot at 3 seconds.

TUE
SE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft.

TUE NIGHT
SW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 4 ft. Showers likely with a chance of tstms.

WED
NW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. A chance of showers.

WED NIGHT
N winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft.

Winds and seas higher in and near tstms.

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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ANZ230-102100
Boston Harbor
403 AM EDT Sat Oct 10 2026

TODAY
NW winds 5 to 10 kt. Waves 1 foot or less.

TONIGHT
E winds around 5 kt, becoming S after midnight. Waves 1 foot or less.

SUN
S winds around 5 kt, increasing to 5 to 10 kt in the afternoon. Waves 1 foot or less.

SUN NIGHT
SE winds 5 to 10 kt, becoming E 10 to 15 kt with gusts up to 20 kt after midnight. Waves 1 foot or less, then around 2 ft after midnight. Showers.

MON
N winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. Showers in the morning.

MON NIGHT
NW winds around 5 kt, becoming N after midnight. Waves 1 foot or less.

TUE AND TUE NIGHT
E winds 10 to 15 kt, becoming S 15 to 20 kt. Gusts up to 25 kt. Waves 2 to 3 ft. Showers likely.

WED
N winds 15 to 20 kt with gusts up to 25 kt. Waves around 2 ft. A chance of showers.

WED NIGHT
NW winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft.

Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height.

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ANZ236-102100
Narragansett Bay
403 AM EDT Sat Oct 10 2026

TODAY
N winds 5 to 10 kt, diminishing to around 5 kt this afternoon. Waves 1 foot or less.

TONIGHT
S winds around 5 kt. Waves 1 foot or less.

SUN
SE winds 5 to 10 kt. Waves around 2 ft. A chance of showers in the afternoon.

SUN NIGHT
E winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to 3 ft. Showers. Patchy fog in the evening. Vsby 1 to 3 NM.

MON
N winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to 3 ft. Showers likely in the morning.

MON NIGHT
NW winds 5 to 10 kt. Waves 2 to 3 ft.

TUE
SE winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to 3 ft. A chance of showers.

TUE NIGHT
SW winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to 3 ft. Showers likely with a chance of tstms.

WED
NW winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to 3 ft. A chance of showers.

WED NIGHT
N winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft.

Winds and waves higher in and near tstms.

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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ANZ280-102100
Ocean Waters from the Merrimack River to Plymouth from 40 to 60 NM
403 AM EDT Sat Oct 10 2026

TODAY
NW winds 15 to 20 kt, diminishing to 10 to 15 kt this afternoon. Gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: NW 4 ft at 4 seconds and NE 2 ft at 8 seconds.

TONIGHT
NW winds 5 to 10 kt, becoming E after midnight. Seas 2 to 3 ft. Wave Detail: NW 2 ft at 5 seconds.

SUN
S winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: S 2 ft at 3 seconds and SE 2 ft at 7 seconds.

SUN NIGHT
S winds 10 to 15 kt, becoming SE after midnight. Gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 4 seconds and SE 2 ft at 8 seconds. Showers.

MON
E winds around 15 kt, becoming N in the afternoon. Gusts up to 20 kt. Seas 3 to 5 ft. Wave Detail: S 5 ft at 8 seconds. Showers in the morning.

MON NIGHT
N winds 5 to 10 kt, becoming NE 10 to 15 kt with gusts up to 20 kt after midnight. Seas 4 to 6 ft. Wave Detail: S 6 ft at 9 seconds and N 1 foot at 3 seconds.

TUE
E winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 5 ft. A chance of showers.

TUE NIGHT
SE winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. Showers.

WED
N winds 20 to 25 kt. Seas 4 to 6 ft. Showers likely.

WED NIGHT
N winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft.

Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height.

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ANZ281-102100
Ocean Waters from Provincetown to Nantucket from 20 to 60 NM
403 AM EDT Sat Oct 10 2026

TODAY
NW winds 15 to 20 kt, becoming N 10 to 15 kt this afternoon. Gusts up to 25 kt. Seas 3 to 4 ft. Wave Detail: NW 4 ft at 5 seconds and SE 2 ft at 8 seconds.

TONIGHT
N winds 5 to 10 kt, becoming E after midnight. Seas 2 to 3 ft. Wave Detail: N 3 ft at 6 seconds.

SUN
SE winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S 2 ft at 3 seconds and NE 2 ft at 6 seconds.

SUN NIGHT
SE winds around 10 kt, increasing to 15 to 20 kt after midnight. Gusts up to 25 kt. Seas 2 to 3 ft, building to 3 to 5 ft after midnight. Wave Detail: S 2 ft at 4 seconds and SE 2 ft at 7 seconds, becoming SE 5 ft at 8 seconds and S 2 ft at 5 seconds. Showers.

MON
E winds 15 to 20 kt, becoming N 10 to 15 kt in the afternoon. Gusts up to 25 kt. Seas 5 to 8 ft. Wave Detail: SE 8 ft at 9 seconds and N 2 ft at 3 seconds. Showers, mainly in the morning.

MON NIGHT
N winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 5 to 7 ft. Wave Detail: SE 7 ft at 9 seconds and N 2 ft at 4 seconds.

TUE
E winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 5 ft. A chance of showers.

TUE NIGHT
S winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. Showers likely with a chance of tstms.

WED
NW winds around 20 kt with gusts up to 25 kt. Seas 5 to 6 ft. A chance of showers and tstms.

WED NIGHT
N winds around 20 kt with gusts up to 25 kt. Seas 5 to 6 ft.

Winds and seas higher in and near tstms.

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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ANZ282-102100
Ocean Waters from Marthas Vineyard to Nantucket from 25 to 60 NM
403 AM EDT Sat Oct 10 2026

TODAY
N winds 10 to 15 kt, diminishing to 5 to 10 kt this afternoon. Seas 2 to 3 ft. Wave Detail: NW 2 ft at 4 seconds and SE 2 ft at 8 seconds.

TONIGHT
NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: NE 2 ft at 7 seconds and W 1 foot at 4 seconds.

SUN
SE winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: E 3 ft at 6 seconds.

SUN NIGHT
SE winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft, building to 5 to 7 ft after midnight. Wave Detail: SE 4 ft at 7 seconds, becoming S 7 ft at 9 seconds and NW 1 foot at 4 seconds. Showers. Patchy fog in the evening. Vsby 1 to 3 NM.

MON
SW winds 10 to 15 kt, becoming NW in the afternoon. Gusts up to 25 kt. Seas 7 to 9 ft. Wave Detail: S 9 ft at 9 seconds and N 2 ft at 3 seconds. Showers, mainly in the morning.

MON NIGHT
N winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 5 to 7 ft. Wave Detail: E 7 ft at 9 seconds and N 2 ft at 4 seconds.

TUE
E winds around 10 kt. Seas 4 to 5 ft.

TUE NIGHT
S winds 15 to 20 kt. Seas 4 to 6 ft. Showers likely.

WED
NW winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to 6 ft. Showers likely with a chance of tstms.

WED NIGHT
N winds 15 to 20 kt. Seas 5 to 6 ft.

Winds and seas higher in and near tstms.

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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ANZ283-102100
Ocean Waters from Montauk NY to Marthas Vineyard from 25 to 60 NM
403 AM EDT Sat Oct 10 2026

TODAY
N winds 10 to 15 kt, becoming NE 5 to 10 kt this afternoon. Seas 2 to 3 ft. Wave Detail: NW 2 ft at 4 seconds and SE 2 ft at 8 seconds.

TONIGHT
E winds 5 to 10 kt, increasing to 10 to 15 kt after midnight. Seas around 2 ft. Wave Detail: NE 2 ft at 7 seconds and NW 1 foot at 3 seconds.

SUN
SE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Wave Detail: SE 4 ft at 6 seconds. A chance of showers in the afternoon.

SUN NIGHT
SE winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to 6 ft, building to 6 to 9 ft after midnight. Wave Detail: SE 6 ft at 8 seconds and SE 4 ft at 5 seconds, becoming S 9 ft at 9 seconds and S 2 ft at 4 seconds. Showers. Patchy fog in the evening. Vsby 1 to 3 NM.

MON
W winds around 15 kt, becoming N in the afternoon. Gusts up to 25 kt. Seas 7 to 9 ft. Wave Detail: S 9 ft at 9 seconds and N 3 ft at 4 seconds. Showers likely, mainly in the morning.

MON NIGHT
N winds 15 to 20 kt with gusts up to 25 kt, diminishing to around 10 kt after midnight. Seas 5 to 7 ft, subsiding to 4 to 5 ft after midnight. Wave Detail: NE 7 ft at 8 seconds and N 3 ft at 4 seconds, becoming S 5 ft at 8 seconds and N 2 ft at 4 seconds.

TUE
SE winds 10 to 15 kt with gusts up to 20 kt. Seas around 4 ft.

TUE NIGHT
SW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. Showers likely.

WED
NW winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to 6 ft. A chance of showers.

WED NIGHT
N winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 5 ft.

Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height.

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