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000
FZUS51 KBOX 120707
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
307 AM EDT Fri Apr 12 2024

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

ANZ200-122000-
307 AM EDT Fri Apr 12 2024

.Synopsis for Massachusetts and Rhode Island coastal waters...
A strong cold front crossing the waters this afternoon will be
preceded by gale force southerly this morning. Heavy rain and
thunder possible at times, especially along the front. Winds shift
dramatically to the west behind weak front crossing the waters on
Saturday, some scattered rain showers possible as gale force winds
redevelop. Another chance for showers late Sunday and Sunday night
as weak low moves across the eastern waters.

$$

ANZ250-122000-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
307 AM EDT Fri Apr 12 2024

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

.REST OF TONIGHT...SE winds around 20 kt with gusts up to 35 kt.
Seas 5 to 7 ft. Areas of fog. Showers. Vsby 1 NM or less.
.FRI...S winds 25 to 30 kt with gusts up to 40 kt. Seas 9 to
12 ft. Patchy fog. Showers, mainly in the morning. Vsby 1 NM or
less.
.FRI NIGHT...S winds 20 to 25 kt, diminishing to 15 to 20 kt
after midnight. Gusts up to 30 kt. Seas 8 to 11 ft, subsiding to
6 to 9 ft after midnight.
.SAT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to
8 ft.
.SAT NIGHT...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 25 kt. Seas
3 to 5 ft. A chance of showers.
.MON THROUGH TUE NIGHT...SW winds 5 to 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.

$$

ANZ251-122000-
Massachusetts Bay and Ipswich Bay-
307 AM EDT Fri Apr 12 2024

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

.REST OF TONIGHT...SE winds 15 to 20 kt with gusts up to 35 kt.
Seas 4 to 6 ft. Areas of fog. Showers. Vsby 1 NM or less.
.FRI...SE winds 25 to 30 kt, becoming S 20 to 25 kt in the
afternoon. Gusts up to 40 kt. Seas 7 to 10 ft. Areas of fog in
the morning. Patchy fog in the afternoon. Showers. Vsby 1 NM or
less.
.FRI NIGHT...S winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. Gusts up to 25 kt. Seas 5 to 8 ft.
.SAT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to
6 ft.
.SAT NIGHT...W winds 20 to 25 kt. Seas 3 to 5 ft.
.SUN...W winds 15 to 20 kt, becoming SW 10 to 15 kt in the
afternoon. Gusts up to 25 kt. Seas 2 to 4 ft.
.SUN NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 3 ft. A chance of showers.
.MON THROUGH TUE NIGHT...SW winds 10 to 15 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.

$$

ANZ231-122000-
Cape Cod Bay-
307 AM EDT Fri Apr 12 2024

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

.REST OF TONIGHT...S winds around 20 kt with gusts up to 35 kt.
Seas 3 to 5 ft. Areas of fog. Showers. Vsby 1 NM or less.
.FRI...S winds 25 to 30 kt with gusts up to 40 kt. Seas 5 to
8 ft. Areas of fog in the morning. Patchy fog in the afternoon.
Showers. A chance of tstms in the morning. Vsby 1 NM or less.
.FRI NIGHT...S winds 15 to 20 kt with gusts up to 25 kt. Seas
4 to 6 ft, subsiding to 3 to 4 ft after midnight.
.SAT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to
5 ft.
.SAT NIGHT...W winds around 15 kt with gusts up to 25 kt. Seas
3 to 5 ft.
.SUN...W 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 THROUGH TUE NIGHT...SW winds 5 to 10 kt. Seas around 2 ft.

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.

$$

ANZ254-122000-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
307 AM EDT Fri Apr 12 2024

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

.REST OF TONIGHT...S winds 20 to 25 kt with gusts up to 40 kt.
Seas 5 to 7 ft. Areas of fog. Showers. Vsby 1 NM or less.
.FRI...S winds 25 to 30 kt with gusts up to 40 kt. Seas 8 to
11 ft, building to 10 to 14 ft in the afternoon. Areas of fog in
the morning, then patchy fog in the afternoon. Showers, mainly in
the morning. Vsby 1 NM or less.
.FRI NIGHT...S winds 20 to 25 kt, diminishing to 15 to 20 kt
after midnight. Gusts up to 30 kt. Seas 9 to 13 ft, subsiding to
8 to 11 ft after midnight.
.SAT...SW winds 15 to 20 kt, increasing to 20 to 25 kt in the
afternoon. Gusts up to 30 kt. Seas 7 to 10 ft.
.SAT NIGHT...W winds 20 to 25 kt, diminishing to 15 to 20 kt
after midnight. Gusts up to 30 kt. Seas 7 to 10 ft.
.SUN...W winds 10 to 15 kt with gusts up to 20 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 30 kt. Seas
4 to 6 ft. A chance of showers.
.MON AND MON NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt,
becoming W 5 to 10 kt. Seas 3 to 5 ft.
.TUE AND TUE NIGHT...SW winds 10 to 15 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.

$$

ANZ255-122000-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
307 AM EDT Fri Apr 12 2024

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

.REST OF TONIGHT...SE winds 25 to 30 kt with gusts up to 40 kt.
Seas 6 to 8 ft. Areas of fog. Showers. Vsby 1 NM or less.
.FRI...S winds 25 to 30 kt with gusts up to 40 kt. Seas 9 to
13 ft, building to 11 to 14 ft in the afternoon. Areas of fog in
the morning. Patchy fog in the afternoon. Showers. A chance of
tstms in the morning. Vsby 1 NM or less.
.FRI NIGHT...S winds 15 to 20 kt with gusts up to 30 kt. Seas
10 to 14 ft, subsiding to 9 to 12 ft after midnight.
.SAT...SW winds 20 to 25 kt with gusts up to 35 kt. Seas 8 to
11 ft.
.SAT NIGHT...W winds 20 to 25 kt with gusts up to 35 kt. Seas
7 to 10 ft.
.SUN...W winds 20 to 25 kt, becoming SW 15 to 20 kt in the
afternoon. Seas 5 to 7 ft.
.SUN NIGHT...SW winds 20 to 25 kt with gusts up to 30 kt. Seas
4 to 6 ft. A chance of showers.
.MON...W winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to
6 ft.
.MON NIGHT...W winds around 10 kt. Seas 3 to 5 ft.
.TUE AND TUE NIGHT...SW winds 10 to 15 kt. Seas 2 to 4 ft.

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.

$$

ANZ256-122000-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
307 AM EDT Fri Apr 12 2024

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

.REST OF TONIGHT...SE winds 25 to 30 kt with gusts up to 40 kt.
Seas 7 to 10 ft. Areas of fog. Showers with a chance of tstms.
Vsby 1 NM or less.
.FRI...S winds 25 to 30 kt with gusts up to 40 kt. Seas 11 to
15 ft. Areas of fog in the morning, then patchy fog in the
afternoon. Showers with a chance of tstms in the morning. Vsby
1 NM or less.
.FRI NIGHT...SW winds 15 to 20 kt with gusts up to 30 kt. Seas
11 to 14 ft, subsiding to 9 to 12 ft after midnight.
.SAT...SW winds 20 to 25 kt with gusts up to 35 kt. Seas 8 to
11 ft.
.SAT NIGHT...W winds 20 to 25 kt with 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
4 to 6 ft. A chance of showers.
.MON...W winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to
6 ft.
.MON NIGHT THROUGH TUE NIGHT...SW winds 10 to 15 kt. Seas 3 to
5 ft.

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.

$$

ANZ232-122000-
Nantucket Sound-
307 AM EDT Fri Apr 12 2024

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

.REST OF TONIGHT...S winds 20 to 25 kt with gusts up to 40 kt.
Seas 4 to 6 ft. Areas of fog. Showers. Vsby 1 NM or less.
.FRI...S winds 25 to 30 kt with gusts up to 40 kt. Seas 6 to
9 ft. Areas of fog in the morning. Patchy fog in the afternoon.
Showers. A chance of tstms in the morning. Vsby 1 NM or less.
.FRI NIGHT...S winds 15 to 20 kt with gusts up to 30 kt. Seas
5 to 8 ft.
.SAT...SW winds 15 to 20 kt, increasing to 20 to 25 kt in the
afternoon. Gusts up to 30 kt. Seas 5 to 6 ft.
.SAT NIGHT...W winds 15 to 20 kt with gusts up to 30 kt. Seas
4 to 6 ft.
.SUN...W winds 15 to 20 kt. Seas 2 to 4 ft.
.SUN NIGHT...SW winds 15 to 20 kt with gusts up to 30 kt. Seas
2 to 4 ft. A chance of showers.
.MON THROUGH TUE NIGHT...SW winds 10 to 15 kt with gusts up to
20 kt. Seas 2 to 3 ft.

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.

$$

ANZ233-122000-
Vineyard Sound-
307 AM EDT Fri Apr 12 2024

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

.REST OF TONIGHT...SE winds 25 to 30 kt with gusts up to 40 kt.
Seas 4 to 6 ft. Areas of fog. Showers. Vsby 1 NM or less.
.FRI...S winds 25 to 30 kt with gusts up to 40 kt. Seas 7 to
10 ft. Areas of fog in the morning, then patchy fog in the
afternoon. Showers with a chance of tstms in the morning, then a
chance of showers in the afternoon. Vsby 1 NM or less.
.FRI NIGHT...S winds 15 to 20 kt with gusts up to 30 kt. Seas
7 to 10 ft, subsiding to 5 to 8 ft after midnight.
.SAT...SW winds 15 to 20 kt, increasing to 20 to 25 kt in the
afternoon. Gusts up to 35 kt. Seas 5 to 7 ft.
.SAT NIGHT...W winds 20 to 25 kt with gusts up to 30 kt. Seas
5 to 7 ft, subsiding to 3 to 5 ft after midnight.
.SUN...W winds 15 to 20 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 4 ft. A chance of showers.
.MON THROUGH TUE NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft.

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.

$$

ANZ234-122000-
Buzzards Bay-
307 AM EDT Fri Apr 12 2024

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

.REST OF TONIGHT...S winds 25 to 30 kt with gusts up to 40 kt.
Seas 4 to 6 ft. Areas of fog. Showers. Vsby 1 NM or less.
.FRI...S winds 25 to 30 kt with gusts up to 40 kt. Seas 6 to
9 ft. Patchy fog. Showers with a chance of tstms in the morning,
then a chance of showers in the afternoon. Vsby 1 NM or less.
.FRI NIGHT...S winds 15 to 20 kt with gusts up to 30 kt. Seas
6 to 9 ft, subsiding to 5 to 7 ft after midnight.
.SAT...SW winds 15 to 20 kt, increasing to 20 to 25 kt in the
afternoon. Gusts up to 30 kt. Seas 4 to 6 ft.
.SAT NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas
4 to 6 ft.
.SUN...W winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to
4 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 THROUGH TUE NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft.

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.

$$

ANZ235-122000-
Rhode Island Sound-
307 AM EDT Fri Apr 12 2024

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

.REST OF TONIGHT...SE winds 25 to 30 kt with gusts up to 40 kt.
Seas 5 to 8 ft. Areas of fog. Showers. Vsby 1 NM or less.
.FRI...S winds 25 to 30 kt with gusts up to 40 kt. Seas 8 to
11 ft, building to 10 to 12 ft in the afternoon. Areas of fog in
the morning, then patchy fog in the afternoon. Showers with a
chance of tstms in the morning. Vsby 1 NM or less.
.FRI NIGHT...S winds 15 to 20 kt with gusts up to 30 kt. Seas
9 to 12 ft, subsiding to 7 to 10 ft after midnight.
.SAT...SW winds 20 to 25 kt with gusts up to 35 kt. Seas 7 to
9 ft.
.SAT NIGHT...W winds 20 to 25 kt with gusts up to 30 kt. Seas
5 to 8 ft.
.SUN...W winds 15 to 20 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 5 ft. A chance of showers.
.MON...W winds 10 to 15 kt. Seas 3 to 5 ft.
.MON NIGHT THROUGH TUE NIGHT...SW winds 10 to 15 kt. Seas 2 to
4 ft.

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.

$$

ANZ237-122000-
Block Island Sound-
307 AM EDT Fri Apr 12 2024

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

.REST OF TONIGHT...SE winds 25 to 30 kt with gusts up to 40 kt.
Seas 6 to 9 ft. Areas of fog. Showers with a chance of tstms.
Vsby 1 NM or less.
.FRI...S winds 25 to 30 kt, diminishing to 20 to 25 kt in the
afternoon. Gusts up to 40 kt. Seas 9 to 12 ft. Areas of fog in
the morning, then patchy fog in the afternoon. Showers with a
chance of tstms in the morning. Vsby 1 NM or less.
.FRI NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas
8 to 11 ft.
.SAT...SW winds 20 to 25 kt with gusts up to 30 kt. Seas 6 to
9 ft.
.SAT NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas
5 to 7 ft.
.SUN...W winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
5 ft.
.SUN NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas
3 to 5 ft. A chance of showers.
.MON THROUGH TUE...SW winds 10 to 15 kt. Seas 2 to 4 ft.
.TUE NIGHT...SW winds 10 to 15 kt. Seas around 2 ft.

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.

$$

ANZ230-122000-
Boston Harbor-
307 AM EDT Fri Apr 12 2024

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

.REST OF TONIGHT...SE winds 15 to 20 kt with gusts up to 30 kt.
Waves 2 to 3 ft. Areas of fog. Showers. Vsby 1 NM or less.
.FRI...S winds 20 to 25 kt with gusts up to 40 kt. Waves 2 to
3 ft, except 4 to 6 ft at the outer harbor entrance. Patchy fog.
Showers. Vsby 1 NM or less, increasing to 1 to 3 NM in the
afternoon.
.FRI NIGHT...S winds 10 to 15 kt with gusts up to 25 kt. Waves
around 2 ft, except 3 to 5 ft at the outer harbor entrance.
.SAT...SW winds 10 to 15 kt with gusts up to 25 kt. Waves around
2 ft.
.SAT NIGHT AND SUN...SW winds 20 to 25 kt with gusts up to 30 kt.
Waves around 2 ft.
.SUN NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Waves around 2 ft. A chance of showers.
.MON THROUGH TUE NIGHT...W winds 10 to 15 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.

$$

ANZ236-122000-
Narragansett Bay-
307 AM EDT Fri Apr 12 2024

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

.REST OF TONIGHT...SE winds 20 to 25 kt with gusts up to 40 kt.
Waves 3 to 4 ft, except 5 to 7 ft at the bay entrance. Areas of
fog. Showers. Vsby 1 NM or less.
.FRI...S winds 25 to 30 kt, diminishing to 20 to 25 kt in the
afternoon. Gusts up to 40 kt. Waves around 4 ft, except 6 to 9 ft
at the bay entrance. Patchy fog. Showers with a chance of tstms
in the morning. Vsby 1 NM or less.
.FRI NIGHT...S winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. Gusts up to 30 kt. Waves 2 to 4 ft, except 6 to
9 ft at the bay entrance.
.SAT...SW winds 15 to 20 kt with gusts up to 25 kt. Waves 4 to
6 ft.
.SAT NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Waves
4 to 6 ft.
.SUN...W winds 10 to 15 kt, becoming SW 15 to 20 kt in the
afternoon. Waves 2 to 4 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 THROUGH TUE NIGHT...SW winds 5 to 10 kt with gusts up to
20 kt. Waves 2 to 3 ft.

Winds and waves 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.

$$

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