Coastal Waters Forecast
Issued by NWS Boston, MA

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FZUS51 KBOX 150802
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
402 AM EDT Mon Apr 15 2024

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

ANZ200-152100-
402 AM EDT Mon Apr 15 2024

.Synopsis for Massachusetts and Rhode Island coastal waters...
Dry and seasonably mild conditions both Monday through Wednesday as
surface high builds across the waters. Winds will vary in direction
across the waters but generally form the W/SW gusting to 25kt;
lighter Tuesday. Weak low pressure system could bring light could
bring more light rain towards the end of the week.

$$

ANZ250-152100-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
402 AM EDT Mon Apr 15 2024

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

.TODAY...W winds 5 to 10 kt, becoming S this afternoon. Seas 3 to
5 ft.
.TONIGHT...SW winds 5 to 10 kt, becoming W after midnight. Seas
2 to 4 ft.
.TUE...W winds 5 to 10 kt. Seas 2 to 3 ft.
.TUE NIGHT...W winds 5 to 10 kt, becoming N after midnight. Seas
2 to 3 ft.
.WED AND WED NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft.
.THU THROUGH FRI...SE winds 5 to 10 kt. Seas 2 to 3 ft.
.FRI NIGHT...S 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.

$$

ANZ251-152100-
Massachusetts Bay and Ipswich Bay-
402 AM EDT Mon Apr 15 2024

.TODAY...W winds 5 to 10 kt, becoming S this afternoon. Seas 2 to
3 ft.
.TONIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft.
.TUE...W winds 5 to 10 kt. Seas around 2 ft.
.TUE NIGHT...NW winds 5 to 10 kt. Seas around 2 ft.
.WED AND WED NIGHT...SE winds 10 to 15 kt. Seas around 2 ft.
.THU THROUGH FRI...SE winds 5 to 10 kt. Seas around 2 ft.
.FRI NIGHT...S winds around 10 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.

$$

ANZ231-152100-
Cape Cod Bay-
402 AM EDT Mon Apr 15 2024

.TODAY...W winds 5 to 10 kt, becoming SE this afternoon. Seas
2 to 3 ft.
.TONIGHT...SW winds 5 to 10 kt, becoming W after midnight. Seas
around 2 ft.
.TUE...W winds 5 to 10 kt. Seas around 2 ft in the morning, then
1 foot or less.
.TUE NIGHT...SW winds around 5 kt, becoming N after midnight.
Seas 1 foot or less.
.WED...N winds 5 to 10 kt, becoming E in the afternoon. Seas
1 foot or less.
.WED NIGHT...SE winds 5 to 10 kt. Seas 1 foot or less.
.THU THROUGH FRI...E winds 5 to 10 kt with gusts up to 20 kt.
Seas around 2 ft.
.FRI NIGHT...S winds around 10 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.

$$

ANZ254-152100-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
402 AM EDT Mon Apr 15 2024

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

.TODAY...W winds 5 to 10 kt with gusts up to 20 kt, becoming SW
this afternoon. Seas 4 to 6 ft.
.TONIGHT...SW winds 5 to 10 kt, becoming W after midnight. Seas
3 to 5 ft.
.TUE...W winds 5 to 10 kt. Seas 3 to 4 ft.
.TUE NIGHT...SW winds 5 to 10 kt, becoming N after midnight. Seas
2 to 3 ft.
.WED...NE winds 5 to 10 kt. Seas 2 to 3 ft.
.WED NIGHT...SE winds around 5 kt. Seas 2 to 3 ft.
.THU THROUGH FRI...E winds 10 to 15 kt with gusts up to 20 kt.
Seas 2 to 4 ft.
.FRI NIGHT...S 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.

$$

ANZ255-152100-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
402 AM EDT Mon Apr 15 2024

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

.TODAY...SW winds around 10 kt. Gusts up to 20 kt this morning.
Seas 5 to 7 ft.
.TONIGHT...SW winds 5 to 10 kt, becoming W after midnight. Seas
3 to 5 ft.
.TUE...W winds 5 to 10 kt. Seas 3 to 4 ft.
.TUE NIGHT...SW winds 5 to 10 kt, becoming NW after midnight.
Seas 2 to 4 ft.
.WED...NE winds around 10 kt, becoming E in the afternoon. Seas
2 to 3 ft.
.WED NIGHT...E winds 5 to 10 kt. Seas around 2 ft. A chance of
showers.
.THU THROUGH FRI...E winds 10 to 15 kt with gusts up to 25 kt.
Seas 2 to 4 ft.
.FRI NIGHT...S 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.

$$

ANZ256-152100-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
402 AM EDT Mon Apr 15 2024

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

.TODAY...SW winds 5 to 10 kt. Seas 5 to 7 ft.
.TONIGHT...W winds 5 to 10 kt. Seas 3 to 5 ft.
.TUE...W winds around 10 kt. Seas 3 to 4 ft.
.TUE NIGHT...W winds around 10 kt, becoming NW after midnight.
Seas 3 to 4 ft.
.WED...NE winds 5 to 10 kt, becoming SE in the afternoon. Seas
2 to 3 ft.
.WED NIGHT...SE winds 10 to 15 kt. Gusts up to 20 kt after
midnight. Seas 2 to 3 ft. A chance of showers.
.THU AND THU NIGHT...E winds 15 to 20 kt with gusts up to 25 kt.
Seas 3 to 5 ft. A chance of showers.
.FRI...E winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
5 ft.
.FRI NIGHT...S 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.

$$

ANZ232-152100-
Nantucket Sound-
402 AM EDT Mon Apr 15 2024

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

.TODAY...W winds 5 to 10 kt, becoming SW this afternoon. Seas
2 to 4 ft.
.TONIGHT...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.
.TUE NIGHT...SW winds 5 to 10 kt, becoming N after midnight. Seas
around 2 ft.
.WED AND WED NIGHT...SE winds 5 to 10 kt. Seas 1 foot or less.
.THU THROUGH FRI...E winds 10 to 15 kt with gusts up to 20 kt.
Seas around 2 ft.
.FRI NIGHT...S winds around 10 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.

$$

ANZ233-152100-
Vineyard Sound-
402 AM EDT Mon Apr 15 2024

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

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

$$

ANZ234-152100-
Buzzards Bay-
402 AM EDT Mon Apr 15 2024

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

.TODAY...SW winds 5 to 10 kt. Seas 2 to 3 ft.
.TONIGHT...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 N after midnight. Seas
around 2 ft.
.WED...NE winds 5 to 10 kt, becoming SE in the afternoon. Seas
1 foot or less.
.WED NIGHT...SE winds 5 to 10 kt. Seas 1 foot or less. A chance
of showers.
.THU...E winds 10 to 15 kt with gusts up to 20 kt. Seas around
2 ft.
.THU NIGHT...E winds 10 to 15 kt with gusts up to 20 kt. Seas
around 2 ft. A chance of showers.
.FRI...E winds around 10 kt. Seas around 2 ft.
.FRI NIGHT...S winds around 10 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.

$$

ANZ235-152100-
Rhode Island Sound-
402 AM EDT Mon Apr 15 2024

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

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

$$

ANZ237-152100-
Block Island Sound-
402 AM EDT Mon Apr 15 2024

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

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

$$

ANZ230-152100-
Boston Harbor-
402 AM EDT Mon Apr 15 2024

.TODAY...W winds 5 to 10 kt. Waves around 2 ft.
.TONIGHT...W winds 5 to 10 kt. Waves around 2 ft.
.TUE...W winds 5 to 10 kt. Waves around 2 ft.
.TUE NIGHT...NW winds 5 to 10 kt. Waves around 2 ft in the
evening, then 1 foot or less.
.WED AND WED NIGHT...SE winds 10 to 15 kt. Waves around 2 ft.
.THU THROUGH FRI...E winds 5 to 10 kt with gusts up to 20 kt.
Waves around 2 ft.
.FRI NIGHT...S winds around 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.

$$

ANZ236-152100-
Narragansett Bay-
402 AM EDT Mon Apr 15 2024

.TODAY...SW winds 5 to 10 kt. Waves 3 to 5 ft.
.TONIGHT...NW winds 5 to 10 kt. Waves 2 to 3 ft.
.TUE...W winds 5 to 10 kt. Waves 2 to 3 ft.
.TUE NIGHT...W winds 5 to 10 kt, becoming N after midnight. Waves
around 2 ft.
.WED...NE winds 5 to 10 kt, becoming SE 10 to 15 kt in the
afternoon. Waves around 2 ft.
.WED NIGHT...SE winds 5 to 10 kt. Waves around 2 ft. A chance of
showers.
.THU AND THU NIGHT...E winds 10 to 15 kt with gusts up to 20 kt.
Waves 2 to 3 ft. A chance of showers.
.FRI...E winds 5 to 10 kt. Waves 2 to 3 ft.
.FRI NIGHT...S winds around 10 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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