Coastal Waters Forecast
Issued by NWS Boston, MA

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FZUS51 KBOX 131102
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
701 AM EDT Sat Apr 13 2024

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

ANZ200-140000-
701 AM EDT Sat Apr 13 2024

.Synopsis for Massachusetts and Rhode Island coastal waters...
Gales across the southern waters today with WSW/SW winds gusting as
high as 40 kt south of Nantucket late this afternoon and early
tonight. Cold front will produce some shower activity across the
waters late Sunday as winds diminish to between 15-25kt. Dry
conditions expected Monday and Tuesday with modest W/NW winds
gusting between 15-20kt.

$$

ANZ250-140000-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
701 AM EDT Sat Apr 13 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY MORNING...

.TODAY...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 6 to
9 ft.
.TONIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to
7 ft.
.SUN...W winds 15 to 20 kt, becoming SW 10 to 15 kt in the
afternoon. Gusts up to 25 kt. Seas 4 to 6 ft.
.SUN NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 5 ft. A chance of showers.
.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 THROUGH WED...SE winds 10 to 15 kt. Seas 2 to 3 ft.
.WED NIGHT...SE 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.

$$

ANZ251-140000-
Massachusetts Bay and Ipswich Bay-
701 AM EDT Sat Apr 13 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY MORNING...

.TODAY...SW winds around 15 kt with gusts up to 25 kt. Seas 3 to
5 ft. Isolated showers this afternoon.
.TONIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to
5 ft.
.SUN...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft.
.SUN NIGHT...S winds 10 to 15 kt, becoming SW after midnight.
Gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers.
.MON AND MON NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft.
.TUE THROUGH WED...S winds 10 to 15 kt. Seas around 2 ft.
.WED NIGHT...SE winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 3 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.

$$

ANZ231-140000-
Cape Cod Bay-
701 AM EDT Sat Apr 13 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY MORNING...

.TODAY...SW winds 10 to 15 kt, increasing to 15 to 20 kt this
afternoon. Gusts up to 25 kt. Seas 3 to 4 ft.
.TONIGHT...W winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to
4 ft.
.SUN...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft.
.SUN NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas
2 to 3 ft. A chance of showers.
.MON AND MON NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft.
.TUE THROUGH WED...SE winds 10 to 15 kt. Seas around 2 ft.
.WED NIGHT...SE winds 10 to 15 kt with gusts up to 25 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.

$$

ANZ254-140000-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
701 AM EDT Sat Apr 13 2024

...GALE WARNING IN EFFECT THROUGH LATE TONIGHT...

.TODAY...SW winds 15 to 20 kt, increasing to 20 to 25 kt this
afternoon. Gusts up to 30 kt. Seas 8 to 11 ft.
.TONIGHT...W winds 20 to 25 kt, diminishing to 15 to 20 kt after
midnight. Gusts up to 35 kt. Seas 7 to 10 ft.
.SUN...W winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to
8 ft, subsiding to 4 to 6 ft in the afternoon.
.SUN NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas
4 to 6 ft. A chance of showers.
.MON...W winds 10 to 15 kt, diminishing to 5 to 10 kt in the
afternoon. Seas 4 to 6 ft.
.MON NIGHT...SW winds 5 to 10 kt. Seas 3 to 4 ft.
.TUE THROUGH WED...E winds 10 to 15 kt. Seas 2 to 4 ft.
.WED NIGHT...SE 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.

$$

ANZ255-140000-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
701 AM EDT Sat Apr 13 2024

...GALE WARNING IN EFFECT THROUGH LATE TONIGHT...

.TODAY...SW winds 15 to 20 kt, increasing to 20 to 25 kt this
afternoon. Gusts up to 35 kt. Seas 8 to 11 ft.
.TONIGHT...W winds 20 to 25 kt with gusts up to 35 kt. Seas 8 to
11 ft.
.SUN...W winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to
7 ft.
.SUN NIGHT...SW winds 20 to 25 kt with gusts up to 30 kt. Seas
5 to 7 ft. A chance of showers.
.MON...W winds 10 to 15 kt. Gusts up to 20 kt in the morning.
Seas 5 to 7 ft.
.MON NIGHT...W winds around 10 kt. Seas 3 to 5 ft.
.TUE THROUGH WED...SE winds 10 to 15 kt. Seas 2 to 4 ft.
.WED NIGHT...SE winds 15 to 20 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.

$$

ANZ256-140000-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
701 AM EDT Sat Apr 13 2024

...GALE WARNING IN EFFECT THROUGH LATE TONIGHT...

.TODAY...SW winds 20 to 25 kt with gusts up to 35 kt. Seas 8 to
11 ft.
.TONIGHT...W winds 20 to 25 kt, diminishing to 15 to 20 kt after
midnight. Gusts up to 35 kt. Seas 7 to 10 ft.
.SUN...W winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to
7 ft, subsiding to 4 to 5 ft in the afternoon.
.SUN NIGHT...SW winds 20 to 25 kt with gusts up to 30 kt. Seas
5 to 7 ft. A chance of showers.
.MON...W winds 10 to 15 kt. Gusts up to 20 kt in the morning.
Seas 5 to 7 ft.
.MON NIGHT...W winds 5 to 10 kt. Seas 3 to 5 ft.
.TUE THROUGH WED...SE winds 10 to 15 kt. Seas 2 to 4 ft.
.WED NIGHT...SE winds 15 to 20 kt with gusts up to 25 kt. Seas
3 to 5 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.

$$

ANZ232-140000-
Nantucket Sound-
701 AM EDT Sat Apr 13 2024

...GALE WARNING IN EFFECT THROUGH LATE TONIGHT...

.TODAY...SW winds 15 to 20 kt, increasing to 20 to 25 kt this
afternoon. Gusts up to 30 kt. Seas 5 to 7 ft.
.TONIGHT...W winds 20 to 25 kt, diminishing to 15 to 20 kt after
midnight. Gusts up to 35 kt. Seas 4 to 6 ft.
.SUN...W winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to
5 ft.
.SUN NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas
2 to 4 ft. A chance of showers.
.MON...W winds around 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 THROUGH WED...SE winds 10 to 15 kt. Seas around 2 ft.
.WED NIGHT...SE winds 10 to 15 kt with gusts up to 25 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.

$$

ANZ233-140000-
Vineyard Sound-
701 AM EDT Sat Apr 13 2024

...GALE WARNING IN EFFECT THROUGH THIS EVENING...

.TODAY...SW winds 15 to 20 kt, increasing to 20 to 25 kt this
afternoon. Gusts up to 30 kt. Seas 4 to 6 ft.
.TONIGHT...W winds 20 to 25 kt, diminishing to 15 to 20 kt after
midnight. Gusts up to 30 kt. Seas 4 to 6 ft.
.SUN...W winds around 15 kt with gusts up to 25 kt. Seas 2 to
4 ft.
.SUN NIGHT...SW winds 20 to 25 kt, diminishing to 15 to 20 kt
after midnight. Seas 3 to 5 ft. A chance of showers.
.MON AND MON NIGHT...W winds 5 to 10 kt. Seas 2 to 4 ft.
.TUE THROUGH WED...SE winds 10 to 15 kt. Seas around 2 ft.
.WED NIGHT...SE winds 10 to 15 kt with gusts up to 25 kt. Seas
2 to 3 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.

$$

ANZ234-140000-
Buzzards Bay-
701 AM EDT Sat Apr 13 2024

...GALE WARNING IN EFFECT THROUGH THIS EVENING...

.TODAY...SW winds 15 to 20 kt, increasing to 20 to 25 kt this
afternoon. Gusts up to 30 kt. Seas 3 to 5 ft.
.TONIGHT...W winds 15 to 20 kt, diminishing to 10 to 15 kt after
midnight. Gusts up to 30 kt. Seas 3 to 5 ft.
.SUN...W winds 10 to 15 kt, becoming SW 15 to 20 kt in the
afternoon. Gusts up to 25 kt. Seas 2 to 4 ft.
.SUN NIGHT...SW winds 20 to 25 kt, diminishing to 15 to 20 kt
after midnight. Seas 2 to 4 ft. A chance of showers.
.MON AND MON NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft.
.TUE THROUGH WED...SE winds 5 to 10 kt with gusts up to 20 kt.
Seas around 2 ft.
.WED NIGHT...SE winds 10 to 15 kt with gusts up to 25 kt. Seas
around 2 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.

$$

ANZ235-140000-
Rhode Island Sound-
701 AM EDT Sat Apr 13 2024

...GALE WARNING IN EFFECT THROUGH THIS EVENING...

.TODAY...SW winds 15 to 20 kt, increasing to 20 to 25 kt this
afternoon. Gusts up to 35 kt. Seas 6 to 9 ft.
.TONIGHT...W winds 20 to 25 kt, diminishing to 15 to 20 kt after
midnight. Gusts up to 30 kt. Seas 5 to 8 ft.
.SUN...W winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to
5 ft.
.SUN NIGHT...SW winds 20 to 25 kt, diminishing to 15 to 20 kt
after midnight. Seas 4 to 6 ft. A chance of showers.
.MON...W winds around 10 kt. Seas 3 to 5 ft.
.MON NIGHT...W winds around 10 kt. Seas 2 to 4 ft.
.TUE THROUGH WED...SE winds 10 to 15 kt with gusts up to 20 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. 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.

$$

ANZ237-140000-
Block Island Sound-
701 AM EDT Sat Apr 13 2024

...GALE WARNING IN EFFECT THROUGH THIS EVENING...

.TODAY...SW winds 15 to 20 kt, becoming W 20 to 25 kt this
afternoon. Gusts up to 30 kt. Seas 6 to 9 ft. Isolated showers
this afternoon.
.TONIGHT...W winds 20 to 25 kt, diminishing to 15 to 20 kt after
midnight. Gusts up to 30 kt. Seas 5 to 7 ft.
.SUN...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to
5 ft.
.SUN NIGHT...SW winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. Gusts up to 25 kt. Seas 3 to 5 ft. A chance of
showers.
.MON...W winds around 10 kt. 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...SE winds around 10 kt. Seas around 2 ft. A chance of
showers.
.WED NIGHT...SE winds 10 to 15 kt with gusts up to 25 kt. Seas
2 to 4 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.

$$

ANZ230-140000-
Boston Harbor-
701 AM EDT Sat Apr 13 2024

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

.TODAY...SW winds 10 to 15 kt with gusts up to 25 kt. Waves
around 2 ft. Isolated showers this afternoon.
.TONIGHT...W winds 15 to 20 kt, diminishing to 10 to 15 kt after
midnight. Gusts up to 25 kt. Waves around 2 ft.
.SUN...SW winds 10 to 15 kt with gusts up to 20 kt. Waves around
2 ft.
.SUN NIGHT...S winds 10 to 15 kt with gusts up to 20 kt, becoming
W after midnight. Waves around 2 ft. A chance of showers.
.MON AND MON NIGHT...W winds 10 to 15 kt. Waves around 2 ft.
.TUE THROUGH WED...S winds around 10 kt. Waves around 2 ft.
.WED NIGHT...SE winds around 10 kt with gusts up to 20 kt. Waves
around 2 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.

$$

ANZ236-140000-
Narragansett Bay-
701 AM EDT Sat Apr 13 2024

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

.TODAY...SW winds 15 to 20 kt with gusts up to 30 kt. Waves 3 to
5 ft. Isolated showers this afternoon.
.TONIGHT...W winds 15 to 20 kt, diminishing to 10 to 15 kt after
midnight. Gusts up to 25 kt. Waves 3 to 5 ft, subsiding to 2 to
3 ft after midnight.
.SUN...SW winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to
3 ft.
.SUN NIGHT...SW winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. Gusts up to 25 kt. Waves 2 to 4 ft. A chance of
showers.
.MON AND MON NIGHT...W winds 5 to 10 kt. Waves 2 to 4 ft.
.TUE AND TUE NIGHT...W winds 5 to 10 kt. Gusts up to 20 kt. Waves
2 to 3 ft.
.WED...SE winds around 10 kt. Waves around 2 ft. A chance of
showers.
.WED NIGHT...SE winds 10 to 15 kt with gusts up to 25 kt. Waves
2 to 4 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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