National Weather Service Marine Forecast FZUS51 KBOX

FZUS51 KBOX 011101
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
701 AM EDT Thu Jun 1 2023

Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM

ANZ200-020000
701 AM EDT Thu Jun 1 2023

Synopsis for Massachusetts and Rhode Island coastal waters

High pressure will remain in control allowing for southerly wind flow through late week. A back door cold front moves southward across the waters early Sat. Some showers and thunderstorms could be associated with the back door front. Winds flip NE and become gusty behind the front.

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ANZ250-020000
Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary
701 AM EDT Thu Jun 1 2023

TODAY
SW winds 5 to 10 kt. Seas 2 to 3 ft.

TONIGHT
S winds 10 to 15 kt, becoming SW 5 to 10 kt after midnight. Seas 2 to 3 ft.

FRI
SW winds 5 to 10 kt, becoming SE in the afternoon. Seas 2 to 3 ft. A chance of showers. Vsby 1 to 3 NM.

FRI NIGHT
NE winds 15 to 20 kt, increasing to 20 to 25 kt after midnight. Gusts up to 30 kt. Seas 4 to 6 ft. Showers. Vsby 1 to 3 NM.

SAT
NE winds 20 to 25 kt with gusts up to 30 kt. Seas 6 to 8 ft. Showers.

SAT NIGHT
NE winds 20 to 25 kt with gusts up to 30 kt. Seas 7 to 8 ft. Showers likely.

SUN
NE winds 20 to 25 kt with gusts up to 30 kt. Seas 7 to 8 ft. Showers likely. Vsby 1 to 3 NM.

SUN NIGHT
NE winds 15 to 20 kt with gusts up to 30 kt. Seas 6 to 8 ft. A chance of showers. Vsby 1 to 3 NM.

MON
NE winds 15 to 20 kt with gusts up to 25 kt. Seas 6 to 7 ft. A chance of showers.

MON NIGHT
NE winds 10 to 15 kt with gusts up to 25 kt. Seas 5 to 6 ft. Showers likely.

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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ANZ251-020000
Massachusetts Bay and Ipswich Bay
701 AM EDT Thu Jun 1 2023

TODAY
SW winds 5 to 10 kt, becoming S this afternoon. Seas around 2 ft.

TONIGHT
S winds 10 to 15 kt, becoming SW 5 to 10 kt after midnight. Seas around 2 ft.

FRI
W winds around 5 kt, becoming E in the afternoon. Seas around 2 ft. A chance of showers.

FRI NIGHT
NE winds 15 to 20 kt, increasing to 20 to 25 kt with gusts up to 30 kt after midnight. Seas 3 to 5 ft. Showers.

SAT
NE winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to 8 ft. Showers.

SAT NIGHT
NE winds 20 to 25 kt with gusts up to 30 kt. Seas 6 to 8 ft. Showers likely.

SUN
NE winds 20 to 25 kt with gusts up to 30 kt. Seas 6 to 7 ft. Showers likely. Vsby 1 to 3 NM.

SUN NIGHT
NE winds 15 to 20 kt with gusts up to 30 kt. Seas 6 to 7 ft. A chance of showers. Vsby 1 to 3 NM.

MON AND MON NIGHT
NE winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to 7 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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ANZ231-020000
Cape Cod Bay
701 AM EDT Thu Jun 1 2023

TODAY
S winds 5 to 10 kt. Seas around 2 ft. Areas of fog this morning with vsby 1 to 3 NM.

TONIGHT
SW winds around 10 kt. Seas around 2 ft.

FRI
SW winds 5 to 10 kt. Seas 1 foot or less. A chance of showers.

FRI NIGHT
NE winds 5 to 10 kt, increasing to 15 to 20 kt after midnight. Seas 2 to 4 ft. Showers.

SAT
NE winds 15 to 20 kt, increasing to 20 to 25 kt in the afternoon. Gusts up to 30 kt. Seas 4 to 6 ft. Showers.

SAT NIGHT
NE winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to 6 ft. Showers likely.

SUN
NE winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to 6 ft. Showers likely.

SUN NIGHT
NE winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. A chance of showers.

MON AND MON NIGHT
NE winds 10 to 15 kt with gusts up to 25 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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ANZ254-020000
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm
701 AM EDT Thu Jun 1 2023

TODAY
S winds 5 to 10 kt. Seas 2 to 3 ft. Areas of fog. Vsby 1 NM or less.

TONIGHT
SW winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog. Vsby 1 NM or less.

FRI
SW winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog. Vsby 1 NM or less.

FRI NIGHT
SW winds 5 to 10 kt, becoming NE 10 to 15 kt with gusts up to 20 kt after midnight. Seas 3 to 5 ft. Showers likely. Vsby 1 to 3 NM.

SAT
NE winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 7 ft. Showers likely.

SAT NIGHT
NE winds around 20 kt with gusts up to 30 kt. Seas 6 to 8 ft. Showers likely.

SUN
NE winds around 20 kt with gusts up to 25 kt. Seas 6 to 7 ft. Showers likely.

SUN NIGHT
NE winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to 7 ft. A chance of showers.

MON AND MON NIGHT
NE winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to 7 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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ANZ255-020000
Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket
701 AM EDT Thu Jun 1 2023

TODAY
S winds around 5 kt, becoming SW this afternoon. Seas 2 to 3 ft. Areas of fog this morning, then patchy fog this afternoon. Vsby 1 NM or less.

TONIGHT
SW winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog. Vsby 1 NM or less.

FRI
SW winds around 10 kt. Seas around 2 ft. Patchy fog. Vsby 1 NM or less.

FRI NIGHT
SW winds 5 to 10 kt, becoming N 10 to 15 kt with gusts up to 20 kt after midnight. Seas 2 to 3 ft. Showers likely. Vsby 1 to 3 NM.

SAT
NE winds 15 to 20 kt, increasing to 25 to 30 kt in the afternoon. Seas 3 to 5 ft. Showers likely.

SAT NIGHT
NE winds 25 to 30 kt, diminishing to 20 to 25 kt after midnight. Seas 4 to 7 ft. Showers likely.

SUN
NE winds 20 to 25 kt. Seas 4 to 6 ft. Showers likely.

SUN NIGHT
NE winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. A chance of showers.

MON AND MON NIGHT
NE winds 10 to 15 kt with gusts up to 25 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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ANZ256-020000
Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island
701 AM EDT Thu Jun 1 2023

TODAY
SE winds around 5 kt, becoming S this afternoon. Seas 3 to 4 ft. Areas of fog. Vsby 1 NM or less.

TONIGHT
SW winds 5 to 10 kt. Seas 2 to 4 ft. Patchy fog. Vsby 1 NM or less.

FRI
SW winds around 10 kt. Seas 2 to 3 ft. Patchy fog. Vsby 1 NM or less.

FRI NIGHT
SW winds 5 to 10 kt, becoming N 10 to 15 kt with gusts up to 20 kt after midnight. Seas 2 to 3 ft. Showers. Vsby 1 to 3 NM.

SAT
NE winds 20 to 25 kt, increasing to 25 to 30 kt in the afternoon. Seas 4 to 6 ft. Showers.

SAT NIGHT
NE winds 25 to 30 kt, diminishing to 20 to 25 kt after midnight. Seas 4 to 6 ft. Showers likely.

SUN AND SUN NIGHT
NE winds 20 to 25 kt, diminishing to 15 to 20 kt. Gusts up to 30 kt. Seas 4 to 5 ft. Showers likely.

MON AND MON NIGHT
N winds around 15 kt with gusts up to 25 kt. Seas 4 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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ANZ232-020000
Nantucket Sound
701 AM EDT Thu Jun 1 2023

TODAY
SW winds 5 to 10 kt. Seas around 2 ft. Areas of fog this morning with vsby 1 NM or less.

TONIGHT
SW winds around 10 kt. Seas around 2 ft. Patchy fog. Vsby 1 NM or less.

FRI
SW winds around 10 kt. Seas around 2 ft. Patchy fog. Vsby 1 NM or less.

FRI NIGHT
W winds 5 to 10 kt, becoming N 10 to 15 kt after midnight. Seas around 2 ft. Showers likely. Vsby 1 to 3 NM.

SAT
NE winds 15 to 20 kt, increasing to 20 to 25 kt in the afternoon. Seas 3 to 5 ft. Showers likely.

SAT NIGHT
NE winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to 5 ft. Showers likely.

SUN
NE winds around 20 kt with gusts up to 25 kt. Seas 3 to 4 ft. Showers likely.

SUN NIGHT
NE winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. A chance of showers.

MON AND MON NIGHT
NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 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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ANZ233-020000
Vineyard Sound
701 AM EDT Thu Jun 1 2023

TODAY
SW winds around 5 kt, increasing to 5 to 10 kt this afternoon. Seas around 2 ft. Areas of fog this morning with vsby 1 NM or less.

TONIGHT
SW winds around 10 kt. Seas around 2 ft. Patchy fog. Vsby 1 NM or less.

FRI
SW winds around 10 kt. Seas 1 foot or less. Patchy fog. A chance of showers. Vsby 1 NM or less.

FRI NIGHT
W winds 5 to 10 kt, becoming N 15 to 20 kt after midnight. Seas around 2 ft. Showers likely.

SAT
NE winds 20 to 25 kt, increasing to 25 to 30 kt in the afternoon. Seas 3 to 5 ft. Showers likely.

SAT NIGHT
NE winds 25 to 30 kt, diminishing to 20 to 25 kt after midnight. Seas 3 to 5 ft. Showers likely.

SUN
NE winds 20 to 25 kt. Seas 3 to 4 ft. Showers likely.

SUN NIGHT
NE winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. A chance of showers.

MON AND MON NIGHT
NE winds 10 to 15 kt with gusts up to 25 kt. Seas 2 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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ANZ234-020000
Buzzards Bay
701 AM EDT Thu Jun 1 2023

TODAY
SW winds 5 to 10 kt, increasing to 10 to 15 kt this afternoon. Seas 1 foot or less. Areas of fog this morning with vsby 1 NM or less.

TONIGHT
SW winds 10 to 15 kt. Seas 1 foot or less. Patchy fog. Vsby 1 NM or less.

FRI
SW winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 1 foot or less. Patchy fog. A chance of showers. Vsby 1 NM or less.

FRI NIGHT
W winds 5 to 10 kt, becoming N 10 to 15 kt with gusts up to 20 kt after midnight. Seas around 2 ft. Showers likely.

SAT
NE winds 20 to 25 kt with gusts up to 30 kt. Seas 2 to 4 ft. Showers likely.

SAT NIGHT
NE winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to 5 ft. Showers likely.

SUN
NE winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 4 ft. Showers likely.

SUN NIGHT
NE winds around 15 kt with gusts up to 25 kt. Seas 3 to 4 ft. A chance of showers.

MON AND MON NIGHT
NE winds 10 to 15 kt with gusts up to 25 kt. Seas 2 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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ANZ235-020000
Rhode Island Sound
701 AM EDT Thu Jun 1 2023

TODAY
SW winds around 5 kt, increasing to 5 to 10 kt this afternoon. Seas 2 to 3 ft. Areas of fog. Vsby 1 NM or less.

TONIGHT
SW winds around 10 kt. Seas 2 to 3 ft. Patchy fog. Vsby 1 NM or less.

FRI
SW winds around 10 kt. Seas around 2 ft. Patchy fog. A chance of showers. Vsby 1 NM or less.

FRI NIGHT
W winds 5 to 10 kt, becoming N 10 to 15 kt with gusts up to 20 kt after midnight. Seas around 2 ft. Showers. Vsby 1 to 3 NM.

SAT
NE winds 20 to 25 kt, increasing to 25 to 30 kt in the afternoon. Seas 3 to 5 ft. Showers.

SAT NIGHT
NE winds 25 to 30 kt, diminishing to 20 to 25 kt after midnight. Seas 4 to 5 ft. Showers likely.

SUN
NE winds 20 to 25 kt with gusts up to 30 kt. Seas around 4 ft. Showers likely.

SUN NIGHT
NE winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 4 ft. A chance of showers.

MON AND MON NIGHT
NE winds 10 to 15 kt with gusts up to 25 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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ANZ237-020000
Block Island Sound
701 AM EDT Thu Jun 1 2023

TODAY
SW winds around 5 kt, becoming S this afternoon. Seas 2 to 3 ft. Areas of fog this morning with vsby 1 NM or less.

TONIGHT
SW winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog. Vsby 1 NM or less.

FRI
SW winds 5 to 10 kt. Seas around 2 ft. Patchy fog. A chance of showers. Vsby 1 NM or less.

FRI NIGHT
SW winds 5 to 10 kt, becoming NE 10 to 15 kt after midnight. Seas around 2 ft. Showers.

SAT
NE winds 15 to 20 kt, increasing to 20 to 25 kt in the afternoon. Gusts up to 30 kt. Seas 3 to 5 ft. Showers likely.

SAT NIGHT
NE winds 20 to 25 kt, diminishing to 15 to 20 kt after midnight. Gusts up to 30 kt. Seas 3 to 5 ft. Showers likely.

SUN
NE winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 4 ft. Showers likely.

SUN NIGHT
NE winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 4 ft. A chance of showers.

MON AND MON NIGHT
N winds 10 to 15 kt with gusts up to 25 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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ANZ230-020000
Boston Harbor
701 AM EDT Thu Jun 1 2023

TODAY
SW winds 5 to 10 kt, becoming SE this afternoon. Waves 1 foot or less.

TONIGHT
S winds 10 to 15 kt, becoming SW 5 to 10 kt after midnight. Waves 1 foot or less.

FRI
NW winds around 5 kt, becoming E in the afternoon. Waves 1 foot or less. A chance of showers and tstms.

FRI NIGHT
NE winds 15 to 20 kt, increasing to 20 to 25 kt with gusts up to 30 kt after midnight. Waves 2 to 3 ft. Showers with a chance of tstms.

SAT
NE winds 20 to 25 kt with gusts up to 30 kt. Waves 2 to 3 ft. Showers.

SAT NIGHT
NE winds 20 to 25 kt with gusts up to 30 kt. Waves 2 to 3 ft. Showers likely.

SUN
NE winds 20 to 25 kt with gusts up to 30 kt. Showers likely.

SUN NIGHT
NE winds around 15 kt with gusts up to 25 kt. A chance of showers.

MON AND MON NIGHT
NE winds 10 to 15 kt with gusts up to 25 kt. A chance of showers.

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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ANZ236-020000
Narragansett Bay
701 AM EDT Thu Jun 1 2023

TODAY
SW winds around 5 kt, becoming S 10 to 15 kt this afternoon. Waves around 2 ft. Areas of fog this morning.

TONIGHT
SW winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Waves around 2 ft. Patchy fog. Vsby 1 NM or less.

FRI
SW winds 5 to 10 kt. Waves around 2 ft. Patchy fog. A chance of showers. Vsby 1 NM or less.

FRI NIGHT
SW winds 5 to 10 kt, becoming NE 10 to 15 kt after midnight. Waves around 2 ft. Showers likely.

SAT
NE winds 15 to 20 kt with gusts up to 30 kt. Waves 2 to 3 ft. Showers likely.

SAT NIGHT
NE winds 15 to 20 kt with gusts up to 30 kt. Waves around 3 ft. Showers likely.

SUN AND SUN NIGHT
NE winds 15 to 20 kt with gusts up to 25 kt. A chance of showers.

MON AND MON NIGHT
N winds 10 to 15 kt with gusts up to 25 kt. 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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