Coastal Waters Forecast
Issued by NWS Boston, MA

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FZUS51 KBOX 170502
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
101 AM EDT Sun Mar 17 2024

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

ANZ200-171800-
101 AM EDT Sun Mar 17 2024

.Synopsis for Massachusetts and Rhode Island coastal waters...
Southwest winds strengthen tonight ahead of a cold front. This will
bring periods of showers to the coastal waters throughout the day
Sun. Drier on Mon and Tue, but with gusty winds.

$$

ANZ250-171800-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
101 AM EDT Sun Mar 17 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.REST OF TONIGHT...S winds 15 to 20 kt with gusts up to 30 kt.
Seas 3 to 4 ft.
.SUN...S winds 20 to 25 kt, becoming SW 15 to 20 kt in the
afternoon. Gusts up to 30 kt. Seas 4 to 6 ft. A chance of
showers.
.SUN NIGHT...W winds 10 to 15 kt with gusts up to 25 kt. Seas
2 to 4 ft.
.MON...W winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to
4 ft.
.MON NIGHT THROUGH TUE NIGHT...W winds 15 to 20 kt with gusts up
to 25 kt. Seas 2 to 4 ft.
.WED AND WED NIGHT...SW winds 10 to 15 kt, becoming W 15 to
20 kt. Gusts up to 25 kt. Seas 2 to 4 ft.
.THU AND THU NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt.
Seas 3 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.

$$

ANZ251-171800-
Massachusetts Bay and Ipswich Bay-
101 AM EDT Sun Mar 17 2024

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

.REST OF TONIGHT...S winds 10 to 15 kt with gusts up to 25 kt.
Seas 2 to 3 ft.
.SUN...S winds 15 to 20 kt, becoming SW 10 to 15 kt in the
afternoon. Gusts up to 30 kt. Seas 2 to 4 ft. A chance of
showers.
.SUN NIGHT...W winds 10 to 15 kt with gusts up to 25 kt. Seas
2 to 3 ft.
.MON...W winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
3 ft.
.MON NIGHT THROUGH TUE NIGHT...W winds 15 to 20 kt with gusts up
to 25 kt. Seas around 2 ft.
.WED THROUGH THU NIGHT...NW winds 15 to 20 kt with gusts up to
25 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.

$$

ANZ231-171800-
Cape Cod Bay-
101 AM EDT Sun Mar 17 2024

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

.REST OF TONIGHT...S winds around 15 kt with gusts up to 25 kt.
Seas 2 to 4 ft.
.SUN...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to
4 ft. A chance of showers in the morning.
.SUN NIGHT...W winds 5 to 10 kt with gusts up to 20 kt. Seas
around 2 ft.
.MON...W winds 10 to 15 kt with gusts up to 25 kt. Seas around
2 ft.
.MON NIGHT THROUGH TUE NIGHT...W winds 10 to 15 kt with gusts up
to 20 kt. Seas around 2 ft.
.WED THROUGH THU NIGHT...NW winds 15 to 20 kt with gusts up to
30 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.

$$

ANZ254-171800-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
101 AM EDT Sun Mar 17 2024

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

.REST OF TONIGHT...S winds 15 to 20 kt with gusts up to 25 kt.
Seas 3 to 4 ft.
.SUN...S 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 afternoon.
.SUN NIGHT...W winds 10 to 15 kt, diminishing to 5 to 10 kt after
midnight. Gusts up to 25 kt. Seas 3 to 5 ft.
.MON...W winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to
4 ft.
.MON NIGHT THROUGH TUE NIGHT...W winds 10 to 15 kt with gusts up
to 25 kt. Seas 3 to 5 ft.
.WED...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft.
.WED NIGHT...W winds 15 to 20 kt with gusts up to 30 kt. Seas
3 to 5 ft.
.THU AND THU NIGHT...W winds 15 to 20 kt with gusts up to 30 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.

$$

ANZ255-171800-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
101 AM EDT Sun Mar 17 2024

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

.REST OF TONIGHT...S winds around 15 kt with gusts up to 25 kt.
Seas 3 to 4 ft.
.SUN...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to
6 ft. Patchy fog in the morning. A chance of showers in the
morning.
.SUN NIGHT...W winds 10 to 15 kt with gusts up to 25 kt,
diminishing to 5 to 10 kt after midnight. Seas 4 to 6 ft.
.MON...W winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. Gusts up to 25 kt. Seas 3 to 5 ft.
.MON NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas
3 to 4 ft.
.TUE AND TUE NIGHT...W winds 20 to 25 kt with gusts up to 30 kt.
Seas 4 to 6 ft.
.WED AND WED NIGHT...W winds 10 to 15 kt with gusts up to 20 kt,
increasing to 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft.
.THU AND THU NIGHT...NW winds 15 to 20 kt with gusts up to 30 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.

$$

ANZ256-171800-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
101 AM EDT Sun Mar 17 2024

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

.REST OF TONIGHT...S winds 15 to 20 kt with gusts up to 25 kt.
Seas 4 to 5 ft.
.SUN...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to
6 ft. A chance of showers in the morning.
.SUN NIGHT...W winds 10 to 15 kt with gusts up to 25 kt,
diminishing to 5 to 10 kt after midnight. Seas 4 to 6 ft.
.MON...W winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. Gusts up to 25 kt. Seas 3 to 4 ft.
.MON NIGHT THROUGH TUE NIGHT...W winds 20 to 25 kt with gusts up
to 30 kt. Seas 3 to 5 ft.
.WED THROUGH THU NIGHT...NW winds 15 to 20 kt with gusts up to
30 kt. Seas 3 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.

$$

ANZ232-171800-
Nantucket Sound-
101 AM EDT Sun Mar 17 2024

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

.REST OF TONIGHT...S winds around 15 kt with gusts up to 25 kt.
Seas 2 to 3 ft.
.SUN...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to
4 ft. A chance of showers in the morning.
.SUN NIGHT...W winds 10 to 15 kt with gusts up to 25 kt,
diminishing to 5 to 10 kt after midnight. Seas 2 to 3 ft.
.MON...W winds 5 to 10 kt, increasing to 15 to 20 kt in the
afternoon. Gusts up to 25 kt. Seas 2 to 3 ft.
.MON NIGHT THROUGH TUE NIGHT...W winds 15 to 20 kt with gusts up
to 25 kt. Seas 2 to 3 ft.
.WED THROUGH THU NIGHT...NW winds 15 to 20 kt with gusts up to
30 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.

$$

ANZ233-171800-
Vineyard Sound-
101 AM EDT Sun Mar 17 2024

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

.REST OF TONIGHT...S winds 10 to 15 kt with gusts up to 25 kt.
Seas 2 to 4 ft.
.SUN...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to
5 ft. A chance of showers in the morning.
.SUN NIGHT...W winds 5 to 10 kt. Gusts up to 25 kt in the
evening. Seas 2 to 4 ft.
.MON...W winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon. Gusts up to 25 kt. Seas 2 to 4 ft.
.MON NIGHT THROUGH TUE NIGHT...W winds 15 to 20 kt with gusts up
to 25 kt. Seas 2 to 4 ft.
.WED THROUGH THU NIGHT...NW winds 15 to 20 kt with gusts up to
30 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.

$$

ANZ234-171800-
Buzzards Bay-
101 AM EDT Sun Mar 17 2024

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

.REST OF TONIGHT...S winds 10 to 15 kt with gusts up to 25 kt.
Seas 2 to 4 ft.
.SUN...S winds 15 to 20 kt, becoming SW 10 to 15 kt in the
afternoon. Gusts up to 25 kt. Seas 2 to 4 ft. A chance of showers
in the morning.
.SUN NIGHT...W winds 5 to 10 kt. Gusts up to 20 kt in the
evening. Seas 2 to 3 ft.
.MON...W winds 5 to 10 kt, becoming SW 10 to 15 kt in the
afternoon. Gusts up to 25 kt. Seas 2 to 4 ft.
.MON NIGHT...W winds 10 to 15 kt with gusts up to 25 kt. Seas
2 to 4 ft.
.TUE AND TUE NIGHT...W winds 15 to 20 kt. Seas around 2 ft.
.WED THROUGH THU NIGHT...NW winds 10 to 15 kt with gusts up to
25 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.

$$

ANZ235-171800-
Rhode Island Sound-
101 AM EDT Sun Mar 17 2024

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

.REST OF TONIGHT...S winds around 15 kt with gusts up to 25 kt.
Seas 3 to 4 ft.
.SUN...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to
6 ft. A chance of showers in the morning.
.SUN NIGHT...W winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 kt after midnight. Seas 3 to 5 ft.
.MON...W winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. Gusts up to 25 kt. Seas around 3 ft.
.MON NIGHT THROUGH TUE NIGHT...W winds 15 to 20 kt with gusts up
to 25 kt. Seas 2 to 4 ft.
.WED THROUGH THU NIGHT...NW winds 15 to 20 kt with gusts up to
30 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.

$$

ANZ237-171800-
Block Island Sound-
101 AM EDT Sun Mar 17 2024

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

.REST OF TONIGHT...S winds around 15 kt with gusts up to 25 kt.
Seas 3 to 4 ft. A slight chance of showers.
.SUN...SW winds around 15 kt with gusts up to 25 kt. Seas 3 to
5 ft. A chance of showers in the morning.
.SUN NIGHT...W winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 kt after midnight. Seas 2 to 4 ft.
.MON...W winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
3 ft.
.MON NIGHT THROUGH TUE NIGHT...W winds 15 to 20 kt with gusts up
to 25 kt. Seas 2 to 3 ft.
.WED THROUGH THU NIGHT...NW winds 15 to 20 kt with gusts up to
30 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.

$$

ANZ230-171800-
Boston Harbor-
101 AM EDT Sun Mar 17 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM 5 AM TO 11 AM EDT THIS
MORNING...

.REST OF TONIGHT...S winds 10 to 15 kt with gusts up to 20 kt.
Waves around 2 ft.
.SUN...S winds 10 to 15 kt, becoming SW in the afternoon. Gusts
up to 25 kt. Waves around 2 ft. A chance of showers.
.SUN NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Waves
around 2 ft.
.MON...W winds 10 to 15 kt with gusts up to 25 kt. Waves around
2 ft.
.MON NIGHT THROUGH TUE NIGHT...W winds 15 to 20 kt with gusts up
to 25 kt. Waves around 2 ft.
.WED THROUGH THU NIGHT...NW winds 10 to 15 kt with gusts up to
25 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.

$$

ANZ236-171800-
Narragansett Bay-
101 AM EDT Sun Mar 17 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM 5 AM TO 11 AM EDT THIS
MORNING...

.REST OF TONIGHT...S winds around 10 kt with gusts up to 20 kt.
Waves 2 to 3 ft.
.SUN...S winds 10 to 15 kt, becoming SW in the afternoon. Gusts
up to 25 kt. Waves 2 to 4 ft. A chance of showers in the morning.
.SUN NIGHT...W winds 5 to 10 kt. Gusts up to 20 kt in the
evening. Waves 2 to 3 ft.
.MON...W winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon. Gusts up to 25 kt. Waves 2 to 3 ft.
.MON NIGHT THROUGH TUE NIGHT...W winds 15 to 20 kt with gusts up
to 25 kt. Waves 2 to 3 ft.
.WED THROUGH THU NIGHT...NW winds 10 to 15 kt with gusts up to
25 kt. Waves 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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