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000
FZUS51 KBOX 121402
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
1001 AM EDT Fri Apr 12 2024

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

ANZ200-130300-
1001 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.

$$

ANZ250-130300-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
1001 AM EDT Fri Apr 12 2024

...GALE WARNING IN EFFECT UNTIL 8 PM EDT THIS EVENING...

.THIS AFTERNOON...S winds 25 to 30 kt with gusts up to 40 kt.
Seas 9 to 12 ft. Patchy fog. Showers. A chance of showers. Vsby
1 NM or less.
.TONIGHT...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.

$$

ANZ251-130300-
Massachusetts Bay and Ipswich Bay-
1001 AM EDT Fri Apr 12 2024

...GALE WARNING IN EFFECT UNTIL 8 PM EDT THIS EVENING...

.THIS AFTERNOON...S winds 25 to 30 kt, diminishing to 20 to
25 kt. Gusts up to 40 kt. Seas 7 to 10 ft. Patchy fog. Showers.
Vsby 1 NM or less.
.TONIGHT...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.

$$

ANZ231-130300-
Cape Cod Bay-
1001 AM EDT Fri Apr 12 2024

...GALE WARNING IN EFFECT UNTIL 8 PM EDT THIS EVENING...

.THIS AFTERNOON...S winds 25 to 30 kt with gusts up to 40 kt.
Seas 5 to 8 ft. Patchy fog. Showers with a slight chance of
tstms. Vsby 1 NM or less.
.TONIGHT...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.

$$

ANZ254-130300-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
1001 AM EDT Fri Apr 12 2024

...GALE WARNING IN EFFECT UNTIL 8 PM EDT THIS EVENING...

.THIS AFTERNOON...S winds 25 to 30 kt with gusts up to 40 kt.
Seas 9 to 12 ft, building to 10 to 14 ft. Patchy fog. Showers
with a slight chance of tstms. A chance of showers. Vsby 1 NM or
less.
.TONIGHT...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.

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.

$$

ANZ255-130300-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
1001 AM EDT Fri Apr 12 2024

...GALE WARNING IN EFFECT UNTIL 8 PM EDT THIS EVENING...

.THIS AFTERNOON...S winds 25 to 30 kt with gusts up to 40 kt.
Seas 10 to 14 ft. Patchy fog. Showers with a slight chance of
tstms. Vsby 1 NM or less.
.TONIGHT...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.

$$

ANZ256-130300-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
1001 AM EDT Fri Apr 12 2024

...GALE WARNING IN EFFECT UNTIL 8 PM EDT THIS EVENING...

.THIS AFTERNOON...S winds 25 to 30 kt with gusts up to 40 kt.
Seas 12 to 15 ft. Patchy fog. A chance of showers with a slight
chance of tstms. A slight chance of showers. Vsby 1 NM or less.
.TONIGHT...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.

$$

ANZ232-130300-
Nantucket Sound-
1001 AM EDT Fri Apr 12 2024

...GALE WARNING IN EFFECT UNTIL 8 PM EDT THIS EVENING...

.THIS AFTERNOON...S winds 25 to 30 kt with gusts up to 40 kt.
Seas 6 to 9 ft. Patchy fog. Showers with a slight chance of
tstms. Vsby 1 NM or less.
.TONIGHT...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.

$$

ANZ233-130300-
Vineyard Sound-
1001 AM EDT Fri Apr 12 2024

...GALE WARNING IN EFFECT UNTIL 8 PM EDT THIS EVENING...

.THIS AFTERNOON...S winds 25 to 30 kt with gusts up to 40 kt.
Seas 7 to 10 ft. Patchy fog. A slight chance of tstms. Showers
likely, then a chance of showers. Vsby 1 NM or less.
.TONIGHT...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.

$$

ANZ234-130300-
Buzzards Bay-
1001 AM EDT Fri Apr 12 2024

...GALE WARNING IN EFFECT UNTIL 8 PM EDT THIS EVENING...

.THIS AFTERNOON...S winds 25 to 30 kt with gusts up to 40 kt.
Seas 7 to 9 ft. Patchy fog. A slight chance of tstms. Showers
likely, then a chance of showers. Vsby 1 NM or less.
.TONIGHT...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.

$$

ANZ235-130300-
Rhode Island Sound-
1001 AM EDT Fri Apr 12 2024

...GALE WARNING IN EFFECT UNTIL 8 PM EDT THIS EVENING...

.THIS AFTERNOON...S winds 25 to 30 kt with gusts up to 40 kt.
Seas 10 to 12 ft. Patchy fog. A chance of showers with a slight
chance of tstms. A slight chance of showers. Vsby 1 NM or less.
.TONIGHT...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.

$$

ANZ237-130300-
Block Island Sound-
1001 AM EDT Fri Apr 12 2024

...GALE WARNING IN EFFECT UNTIL 8 PM EDT THIS EVENING...

.THIS AFTERNOON...S winds 25 to 30 kt, diminishing to 20 to
25 kt. Gusts up to 40 kt. Seas 9 to 12 ft. Patchy fog. A chance
of showers with a slight chance of tstms. A slight chance of
showers. Vsby 1 NM or less.
.TONIGHT...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.

$$

ANZ230-130300-
Boston Harbor-
1001 AM EDT Fri Apr 12 2024

...GALE WARNING IN EFFECT UNTIL 8 PM EDT THIS EVENING...

.THIS AFTERNOON...S winds 20 to 25 kt with gusts up to 40 kt.
Waves around 2 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.
.TONIGHT...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...W winds 20 to 25 kt with gusts up to 30 kt. Waves
around 2 ft.
.SUN...W winds 15 to 20 kt, becoming SW 10 to 15 kt in the
afternoon. Gusts up to 25 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.

$$

ANZ236-130300-
Narragansett Bay-
1001 AM EDT Fri Apr 12 2024

...GALE WARNING IN EFFECT UNTIL 8 PM EDT THIS EVENING...

.THIS AFTERNOON...S winds 20 to 25 kt with gusts up to 40 kt.
Waves around 4 ft, except 6 to 9 ft at the bay entrance. Patchy
fog. A chance of showers with a slight chance of tstms. A slight
chance of showers. Vsby 1 NM or less.
.TONIGHT...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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