Coastal Waters Forecast
Issued by NWS Boston, MA

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FZUS51 KBOX 141102
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
701 AM EDT Sun Apr 14 2024

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

ANZ200-150000-
701 AM EDT Sun Apr 14 2024

.Synopsis for Massachusetts and Rhode Island coastal waters...
Remaining breezy today with SW winds of 20-25 knots.  A cold front
will brings shower chances to the waters this afternoon and early
evening with the potential for a few rumbles of thunder across the
southern waters. Drying out Monday through Tuesday with decreasing
winds as a weak high pressure builds in. Weak low pressure system
could bring light could bring more light rain towards the end of the
week.

$$

ANZ250-150000-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
701 AM EDT Sun Apr 14 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON...

.TODAY...W winds 10 to 15 kt, becoming SW this afternoon. Gusts
up to 25 kt. Seas 4 to 6 ft. A slight chance of showers this
afternoon.
.TONIGHT...S winds around 15 kt, becoming W after midnight. Gusts
up to 20 kt. Seas 3 to 5 ft. A chance of showers in the evening.
.MON...W winds 5 to 10 kt. Seas 3 to 5 ft.
.MON NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft.
.TUE...W winds around 10 kt, becoming SW in the afternoon. Seas
2 to 3 ft.
.TUE NIGHT...SW winds 5 to 10 kt, becoming NW after midnight.
Seas 2 to 3 ft.
.WED...NE winds around 10 kt. Seas 2 to 3 ft.
.WED NIGHT AND THU...E winds around 10 kt with gusts up to 20 kt.
Seas 2 to 4 ft. A chance of rain.
.THU NIGHT...E winds around 10 kt. Seas 2 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.

$$

ANZ251-150000-
Massachusetts Bay and Ipswich Bay-
701 AM EDT Sun Apr 14 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON...

.TODAY...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft. A slight chance of showers this afternoon.
.TONIGHT...S winds 10 to 15 kt with gusts up to 20 kt, becoming W
after midnight. Seas 2 to 3 ft. A chance of showers in the
evening.
.MON...W winds 5 to 10 kt. Seas 2 to 3 ft.
.MON NIGHT...W winds 5 to 10 kt. Seas around 2 ft.
.TUE...W winds 5 to 10 kt. Seas around 2 ft.
.TUE NIGHT...W winds 5 to 10 kt, becoming NW after midnight. Seas
around 2 ft.
.WED...NE winds 5 to 10 kt. Seas around 2 ft.
.WED NIGHT AND THU...E winds around 10 kt. Gusts up to 20 kt.
Seas 2 to 3 ft. A chance of rain.
.THU NIGHT...SE winds 5 to 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.

$$

ANZ231-150000-
Cape Cod Bay-
701 AM EDT Sun Apr 14 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON...

.TODAY...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
4 ft. A slight chance of showers this afternoon.
.TONIGHT...S winds 15 to 20 kt, becoming SW 10 to 15 kt after
midnight. Gusts up to 25 kt. Seas 2 to 4 ft. A chance of showers.
.MON...NW winds 5 to 10 kt. Seas 2 to 3 ft.
.MON NIGHT...W winds 5 to 10 kt. Seas around 2 ft.
.TUE...W winds 5 to 10 kt, becoming SW in the afternoon. Seas
around 2 ft in the morning, then 1 foot or less.
.TUE NIGHT...SW winds 5 to 10 kt, becoming NW after midnight.
Seas 1 foot or less.
.WED...NE winds around 10 kt. Seas 1 foot or less.
.WED NIGHT AND THU...E winds 10 to 15 kt with gusts up to 20 kt.
Seas around 2 ft. A chance of rain.
.THU NIGHT...E winds around 10 kt with gusts up to 20 kt. 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.

$$

ANZ254-150000-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
701 AM EDT Sun Apr 14 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY EVENING...

.TODAY...W winds 10 to 15 kt with gusts up to 25 kt. Seas 5 to
8 ft, subsiding to 4 to 6 ft this afternoon. A slight chance of
showers this afternoon.
.TONIGHT...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to
6 ft. A chance of showers. Vsby 1 to 3 NM in the evening.
.MON...W winds 5 to 10 kt. Seas 4 to 6 ft.
.MON NIGHT...SW winds 5 to 10 kt, becoming W after midnight. Seas
3 to 4 ft.
.TUE AND TUE NIGHT...W winds 5 to 10 kt. Seas 2 to 4 ft.
.WED...NE winds around 10 kt. Seas 2 to 3 ft.
.WED NIGHT AND THU...E winds 10 to 15 kt with gusts up to 20 kt.
Seas 2 to 4 ft. A chance of rain.
.THU NIGHT...E winds 10 to 15 kt with gusts up to 20 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.

$$

ANZ255-150000-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
701 AM EDT Sun Apr 14 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY EVENING...

.TODAY...W winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to
7 ft. A slight chance of showers this afternoon.
.TONIGHT...SW winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to
7 ft. A chance of showers and tstms.
.MON...W winds around 10 kt. Seas 5 to 7 ft.
.MON NIGHT...W winds around 10 kt. Seas 3 to 5 ft.
.TUE AND TUE NIGHT...W winds 10 to 15 kt. Seas 2 to 4 ft.
.WED...NE winds around 10 kt. Seas 2 to 3 ft.
.WED NIGHT AND THU...E winds 10 to 15 kt with gusts up to 25 kt.
Seas 2 to 4 ft. A chance of rain.
.THU NIGHT...E winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 5 ft. A chance of showers.

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.

$$

ANZ256-150000-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
701 AM EDT Sun Apr 14 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY EVENING...

.TODAY...W winds 10 to 15 kt, becoming SW 15 to 20 kt this
afternoon. Gusts up to 25 kt. Seas 5 to 7 ft, subsiding to 4 to
5 ft this afternoon.
.TONIGHT...SW winds 20 to 25 kt, diminishing to 15 to 20 kt after
midnight. Gusts up to 30 kt. Seas 5 to 7 ft. A chance of tstms.
Showers likely in the evening, then a chance of showers after
midnight.
.MON...W winds 5 to 10 kt. Seas 5 to 7 ft.
.MON NIGHT...W winds 5 to 10 kt. Seas 3 to 5 ft.
.TUE AND TUE NIGHT...W winds 10 to 15 kt. Seas 2 to 4 ft.
.WED...E winds 5 to 10 kt. Seas 2 to 3 ft.
.WED NIGHT...SE winds 10 to 15 kt with gusts up to 25 kt. Seas
2 to 4 ft. A chance of rain.
.THU...E winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to
5 ft. A chance of rain.
.THU NIGHT...E winds 10 to 15 kt with gusts up to 25 kt. Seas
4 to 5 ft. A chance of showers.

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.

$$

ANZ232-150000-
Nantucket Sound-
701 AM EDT Sun Apr 14 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON...

.TODAY...W winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to
5 ft. A slight chance of showers this afternoon.
.TONIGHT...SW winds 20 to 25 kt, diminishing to 15 to 20 kt after
midnight. Gusts up to 30 kt. Seas 2 to 4 ft. A chance of showers.
.MON...W winds 5 to 10 kt, becoming SW in the afternoon. Seas
2 to 4 ft.
.MON NIGHT...W winds 5 to 10 kt. Seas around 2 ft.
.TUE...W winds 5 to 10 kt. Seas around 2 ft.
.TUE NIGHT...SW winds 5 to 10 kt, becoming W after midnight. Seas
around 2 ft in the evening, then 1 foot or less.
.WED...NE winds around 10 kt. Seas 1 foot or less.
.WED NIGHT AND THU...E winds 10 to 15 kt with gusts up to 25 kt.
Seas around 2 ft. A chance of rain.
.THU NIGHT...E winds 10 to 15 kt with gusts up to 20 kt. 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.

$$

ANZ233-150000-
Vineyard Sound-
701 AM EDT Sun Apr 14 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON...

.TODAY...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
4 ft. A slight chance of showers this afternoon.
.TONIGHT...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to
5 ft. A chance of showers.
.MON...W winds 5 to 10 kt. Seas 2 to 4 ft.
.MON NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft.
.TUE...W winds 5 to 10 kt, becoming SW 10 to 15 kt in the
afternoon. Seas around 2 ft.
.TUE NIGHT...SW winds 10 to 15 kt, becoming W 5 to 10 kt after
midnight. Seas around 2 ft.
.WED...E winds 5 to 10 kt. Seas 1 foot or less.
.WED NIGHT AND THU...E winds 10 to 15 kt with gusts up to 20 kt.
Seas around 2 ft. A chance of rain.
.THU NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. 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.

$$

ANZ234-150000-
Buzzards Bay-
701 AM EDT Sun Apr 14 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON...

.TODAY...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
4 ft. A slight chance of showers this afternoon.
.TONIGHT...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to
5 ft. A chance of showers.
.MON...W winds 5 to 10 kt. Seas 2 to 3 ft.
.MON NIGHT...W winds 5 to 10 kt. Seas around 2 ft.
.TUE...W winds 5 to 10 kt, becoming SW 10 to 15 kt in the
afternoon. Seas around 2 ft.
.TUE NIGHT...SW winds around 10 kt, becoming W after midnight.
Seas around 2 ft in the evening, then 1 foot or less.
.WED...E winds 5 to 10 kt. Seas 1 foot or less.
.WED NIGHT AND THU...E winds 10 to 15 kt with gusts up to 20 kt.
Seas around 2 ft. A chance of rain.
.THU NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. 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.

$$

ANZ235-150000-
Rhode Island Sound-
701 AM EDT Sun Apr 14 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON...

.TODAY...W winds 10 to 15 kt, becoming SW 15 to 20 kt this
afternoon. Gusts up to 25 kt. Seas 3 to 5 ft. A slight chance of
showers this afternoon.
.TONIGHT...SW winds 20 to 25 kt, becoming W 15 to 20 kt after
midnight. Gusts up to 30 kt. Seas 4 to 6 ft. Showers likely with
a chance of tstms in the evening, then a chance of showers after
midnight.
.MON...W winds 5 to 10 kt, becoming SW in the afternoon. Seas
3 to 5 ft.
.MON NIGHT...W winds 5 to 10 kt. Seas 2 to 4 ft.
.TUE...W winds 10 to 15 kt. Seas 2 to 3 ft.
.TUE NIGHT...SW winds 10 to 15 kt, becoming W 5 to 10 kt after
midnight. Seas 2 to 3 ft.
.WED...E winds 5 to 10 kt. Seas around 2 ft.
.WED NIGHT AND THU...E winds 10 to 15 kt with gusts up to 25 kt.
Seas 2 to 4 ft. A chance of rain.
.THU NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 4 ft. A chance of showers.

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.

$$

ANZ237-150000-
Block Island Sound-
701 AM EDT Sun Apr 14 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON...

.TODAY...W winds 10 to 15 kt, becoming SW 15 to 20 kt this
afternoon. Gusts up to 30 kt. Seas 3 to 5 ft.
.TONIGHT...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to
5 ft. Showers likely with a chance of tstms in the evening, then
a chance of showers after midnight.
.MON...NW winds 5 to 10 kt, becoming SW in the afternoon. Seas
3 to 5 ft.
.MON NIGHT...W winds 5 to 10 kt. Seas 2 to 4 ft.
.TUE AND TUE NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft.
.WED...E winds 5 to 10 kt. Seas around 2 ft.
.WED NIGHT AND THU...E winds 10 to 15 kt with gusts up to 25 kt.
Seas 2 to 4 ft. A chance of rain.
.THU NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 4 ft. A chance of showers.

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.

$$

ANZ230-150000-
Boston Harbor-
701 AM EDT Sun Apr 14 2024

.TODAY...SW winds 10 to 15 kt with gusts up to 20 kt. Waves
around 2 ft. A chance of showers this afternoon.
.TONIGHT...S winds 10 to 15 kt, becoming W 5 to 10 kt after
midnight. Waves 1 foot or less. A chance of showers in the
evening.
.MON...W winds 5 to 10 kt. Waves 1 foot or less.
.MON NIGHT...W winds 10 to 15 kt. Waves 1 foot or less.
.TUE AND TUE NIGHT...NW winds 10 to 15 kt. Waves 1 foot or less.
.WED...NE winds 5 to 10 kt. Waves around 2 ft.
.WED NIGHT AND THU...E winds around 10 kt. Gusts up to 20 kt.
Waves around 2 ft. A chance of rain.
.THU NIGHT...SE 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.

$$

ANZ236-150000-
Narragansett Bay-
701 AM EDT Sun Apr 14 2024

.TODAY...W winds 5 to 10 kt, becoming SW 10 to 15 kt this
afternoon. Gusts up to 25 kt. Waves 2 to 3 ft. A slight chance of
showers this afternoon.
.TONIGHT...SW winds 15 to 20 kt with gusts up to 30 kt, becoming
W 10 to 15 kt with gusts up to 20 kt after midnight. Waves 3 to
5 ft. Showers likely, mainly in the evening.
.MON...W winds 5 to 10 kt. Waves 2 to 3 ft.
.MON NIGHT...W winds 5 to 10 kt. Waves 2 to 3 ft.
.TUE AND TUE NIGHT...NW winds 10 to 15 kt. Waves 2 to 3 ft.
.WED...E winds 5 to 10 kt. Waves around 2 ft.
.WED NIGHT AND THU...E winds 10 to 15 kt with gusts up to 20 kt.
Waves 2 to 3 ft. A chance of rain.
.THU NIGHT...NE winds 5 to 10 kt with gusts up to 20 kt. Waves
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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