Coastal Waters Forecast
Issued by NWS Boston, MA

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FZUS51 KBOX 162301
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
701 PM EDT Sat Mar 16 2024

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

ANZ200-171200-
701 PM EDT Sat Mar 16 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.

$$

ANZ250-171200-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
701 PM EDT Sat Mar 16 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE SUNDAY NIGHT...

.TONIGHT...S winds 10 to 15 kt, increasing to 15 to 20 kt after
midnight. Gusts up to 30 kt. Seas 2 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. Vsby 1 NM or less in the morning.
.SUN NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 4 ft.
.MON...W winds 15 to 20 kt, diminishing 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 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.

$$

ANZ251-171200-
Massachusetts Bay and Ipswich Bay-
701 PM EDT Sat Mar 16 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM 2 AM EDT SUNDAY THROUGH
SUNDAY AFTERNOON...

.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 with gusts up to 30 kt, becoming SW
10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to
4 ft. Showers likely in the morning. A chance of showers in the
afternoon. Vsby 1 NM or less in the morning.
.SUN NIGHT...W winds 10 to 15 kt. Gusts up to 20 kt after
midnight. Seas 2 to 3 ft.
.MON...W winds 10 to 15 kt with gusts up to 20 kt. Seas around
2 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.

$$

ANZ231-171200-
Cape Cod Bay-
701 PM EDT Sat Mar 16 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM 2 AM EDT SUNDAY THROUGH
SUNDAY AFTERNOON...

.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 25 kt. Seas 2 to
4 ft. A chance of showers. Vsby 1 NM or less in the morning.
.SUN NIGHT...W winds 10 to 15 kt. Seas around 2 ft.
.MON...W winds around 10 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.

$$

ANZ254-171200-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
701 PM EDT Sat Mar 16 2024

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

.TONIGHT...S winds 10 to 15 kt, increasing to 15 to 20 kt after
midnight. 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 in the morning with vsby 1 NM or less.
.SUN NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 5 ft.
.MON...W winds 10 to 15 kt. Gusts up to 20 kt in the morning.
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.

$$

ANZ255-171200-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
701 PM EDT Sat Mar 16 2024

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

.TONIGHT...S winds 10 to 15 kt, increasing to 15 to 20 kt after
midnight. Gusts up to 25 kt. Seas 2 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 with vsby 1 NM or less.
.SUN NIGHT...W winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Seas 4 to 6 ft.
.MON...W winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. 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.

$$

ANZ256-171200-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
701 PM EDT Sat Mar 16 2024

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

.TONIGHT...SW winds 10 to 15 kt, becoming S 15 to 20 kt after
midnight. Gusts up to 25 kt. Seas 3 to 5 ft.
.SUN...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to
6 ft.
.SUN NIGHT...W winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Seas 4 to 6 ft.
.MON...W winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. 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.

$$

ANZ232-171200-
Nantucket Sound-
701 PM EDT Sat Mar 16 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM MIDNIGHT EDT TONIGHT
THROUGH SUNDAY AFTERNOON...

.TONIGHT...S winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
3 ft.
.SUN...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to
4 ft. Showers likely in the morning with vsby 1 NM or less.
.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 3 ft.
.MON...W winds 10 to 15 kt. Gusts up to 20 kt in the afternoon.
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.

$$

ANZ233-171200-
Vineyard Sound-
701 PM EDT Sat Mar 16 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM MIDNIGHT EDT TONIGHT
THROUGH SUNDAY AFTERNOON...

.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 25 kt. Seas 3 to
5 ft. A chance of showers in the morning with vsby 1 NM or less.
.SUN NIGHT...W winds 10 to 15 kt, diminishing to 5 to 10 kt after
midnight. Seas 2 to 4 ft.
.MON...W winds 10 to 15 kt, becoming SW 15 to 20 kt in the
afternoon. 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.

$$

ANZ234-171200-
Buzzards Bay-
701 PM EDT Sat Mar 16 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM MIDNIGHT EDT TONIGHT
THROUGH SUNDAY AFTERNOON...

.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 25 kt. Seas 2 to
4 ft. A chance of showers in the morning with vsby 1 to 3 NM.
.SUN NIGHT...W winds 10 to 15 kt, diminishing to 5 to 10 kt after
midnight. Seas 2 to 3 ft.
.MON...W winds 10 to 15 kt, becoming SW 15 to 20 kt in the
afternoon. Seas 2 to 3 ft.
.MON NIGHT THROUGH TUE NIGHT...W winds 15 to 20 kt. Seas 2 to
3 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.

$$

ANZ235-171200-
Rhode Island Sound-
701 PM EDT Sat Mar 16 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM MIDNIGHT EDT TONIGHT
THROUGH SUNDAY AFTERNOON...

.TONIGHT...SW winds 10 to 15 kt, becoming S 15 to 20 kt after
midnight. Gusts up to 25 kt. Seas 2 to 4 ft.
.SUN...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to
6 ft.
.SUN NIGHT...W winds 10 to 15 kt. Seas 3 to 5 ft.
.MON...W winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. 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.

$$

ANZ237-171200-
Block Island Sound-
701 PM EDT Sat Mar 16 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM MIDNIGHT EDT TONIGHT
THROUGH SUNDAY AFTERNOON...

.TONIGHT...SW 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 25 kt. Seas 3 to
5 ft.
.SUN NIGHT...W winds 10 to 15 kt. Seas 2 to 4 ft.
.MON...W winds 10 to 15 kt. Gusts up to 20 kt in the afternoon.
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.

$$

ANZ230-171200-
Boston Harbor-
701 PM EDT Sat Mar 16 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM 5 AM EDT SUNDAY THROUGH
SUNDAY MORNING...

.TONIGHT...S winds 5 to 10 kt, increasing to 10 to 15 kt after
midnight. Gusts up to 25 kt. Waves 1 foot or less, then around
2 ft after midnight.
.SUN...S winds around 15 kt, becoming SW in the afternoon. Gusts
up to 25 kt. Waves around 2 ft. Showers likely in the morning
with vsby 1 to 3 NM.
.SUN NIGHT...W winds 10 to 15 kt. Gusts up to 20 kt after
midnight. Waves around 2 ft.
.MON...W winds 15 to 20 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.

$$

ANZ236-171200-
Narragansett Bay-
701 PM EDT Sat Mar 16 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM 5 AM EDT SUNDAY THROUGH
SUNDAY MORNING...

.TONIGHT...SW winds 5 to 10 kt, becoming S 10 to 15 kt after
midnight. 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
with vsby 1 to 3 NM.
.SUN NIGHT...W winds 5 to 10 kt. Waves 2 to 3 ft.
.MON...W winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt in the afternoon. 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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