Coastal Waters Forecast
Issued by NWS Boston, MA

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093
FZUS51 KBOX 100605
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
104 AM EST Wed Dec 10 2025

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

ANZ200-101900-
104 AM EST Wed Dec 10 2025

.Synopsis for Massachusetts and Rhode Island coastal waters...
High pres will continue moving east of the waters tonight. Low pres
then tracks well to our north Wed resulting in gale force SW wind
gusts. A cold front then crosses the waters late Wed night into
early Thu followed by another pulse of gale force W wind gusts Thu
into part of Fri. Weak high pres builds over the waters Fri night,
then low pres tracks in the vicinity of the southern waters late Sat
night into Sun.

$$

ANZ250-101900-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
104 AM EST Wed Dec 10 2025

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

.REST OF TONIGHT...SW winds around 20 kt with gusts up to 30 kt.
Seas 3 to 5 ft. Wave Detail: SW 4 ft at 4 seconds and SE 2 ft at
9 seconds. A chance of rain.
.WED...SW winds 20 to 25 kt with gusts up to 35 kt. Seas 4 to
6 ft. Wave Detail: S 5 ft at 5 seconds and SE 3 ft at 9 seconds.
A chance of rain in the afternoon.
.WED NIGHT...SW winds 20 to 25 kt with gusts up to 35 kt. Seas
5 to 7 ft. Wave Detail: S 5 ft at 6 seconds. Patchy fog. A chance
of rain.
.THU...W winds 20 to 25 kt, increasing to 25 to 30 kt in the
afternoon. Gusts up to 40 kt. Seas 5 to 7 ft. Wave Detail: W 7 ft
at 6 seconds and SE 3 ft at 11 seconds.
.THU NIGHT...W winds 25 to 30 kt with gusts up to 40 kt. Seas
5 to 7 ft. Wave Detail: W 7 ft at 6 seconds and SE 2 ft at
10 seconds.
.FRI...W winds 25 to 30 kt, diminishing to 20 to 25 kt in the
afternoon. Seas 4 to 6 ft. Wave Detail: W 6 ft at 6 seconds and
SE 1 foot at 10 seconds.
.FRI NIGHT...W winds 20 to 25 kt, diminishing to 15 to 20 kt
after midnight. Gusts up to 30 kt. Seas 4 to 6 ft, subsiding to
2 to 4 ft after midnight.
.SAT...W winds 15 to 20 kt. Seas 2 to 4 ft. A chance of snow.
.SAT NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas
3 to 5 ft. A chance of snow.
.SUN...W winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to
5 ft. A chance of snow and rain. Vsby 1 NM or less.
.SUN NIGHT...NW winds 25 to 30 kt. Seas 5 to 7 ft. A chance of
snow.

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.

$$

ANZ251-101900-
Massachusetts Bay and Ipswich Bay-
104 AM EST Wed Dec 10 2025

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

.REST OF TONIGHT...SW winds 15 to 20 kt with gusts up to 30 kt.
Seas 2 to 3 ft. Wave Detail: S 3 ft at 4 seconds and E 1 foot at
9 seconds. A chance of snow with a slight chance of rain.
.WED...SW winds 15 to 20 kt, becoming S 20 to 25 kt in the
afternoon. Gusts up to 30 kt. Seas 2 to 3 ft, building to 3 to
5 ft in the afternoon. Wave Detail: S 3 ft at 4 seconds and SE
1 foot at 9 seconds, becoming S 4 ft at 5 seconds and SE 2 ft at
9 seconds. A chance of rain in the afternoon.
.WED NIGHT...SW winds 20 to 25 kt, diminishing to 15 to 20 kt
after midnight. Gusts up to 30 kt. Seas 3 to 5 ft. Wave Detail: S
3 ft at 5 seconds and SE 2 ft at 8 seconds. Patchy fog. A chance
of rain.
.THU...W winds 20 to 25 kt with gusts up to 35 kt. Seas 3 to
4 ft. Wave Detail: W 4 ft at 4 seconds and SE 1 foot at
4 seconds.
.THU NIGHT THROUGH FRI NIGHT...W winds 25 to 30 kt with gusts up
to 35 kt. Seas 2 to 4 ft. Wave Detail: W 4 ft at 4 seconds and SE
1 foot at 11 seconds.
.SAT...W winds 10 to 15 kt with gusts up to 20 kt. Seas around
2 ft. Wave Detail: W 2 ft at 3 seconds.
.SAT NIGHT AND SUN...W winds 15 to 20 kt, increasing to 20 to
25 kt. Seas 2 to 3 ft. A chance of snow.
.SUN NIGHT...NW winds 25 to 30 kt. Seas 3 to 5 ft. A chance of
snow.

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.

$$

ANZ231-101900-
Cape Cod Bay-
104 AM EST Wed Dec 10 2025

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

.REST OF TONIGHT...SW winds 15 to 20 kt with gusts up to 30 kt.
Seas 3 to 4 ft. Wave Detail: SW 3 ft at 3 seconds and E 1 foot at
4 seconds. A slight chance of rain.
.WED...SW winds 15 to 20 kt, becoming S 20 to 25 kt in the
afternoon. Gusts up to 30 kt. Seas 2 to 4 ft. Wave Detail: S 3 ft
at 4 seconds and SE 2 ft at 9 seconds. A chance of rain in the
afternoon.
.WED NIGHT...SW winds 15 to 20 kt with gusts up to 30 kt. Seas
2 to 4 ft. Wave Detail: SW 3 ft at 4 seconds and S 3 ft at
8 seconds. Patchy fog. A chance of rain.
.THU...W winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to
4 ft. Wave Detail: W 4 ft at 5 seconds and S 2 ft at 9 seconds.
.THU NIGHT AND FRI...W winds 25 to 30 kt with gusts up to 35 kt.
Seas 3 to 5 ft. Wave Detail: W 5 ft at 5 seconds and S 2 ft at
10 seconds.
.FRI NIGHT...W winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. Gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: W
3 ft at 4 seconds and SE 1 foot at 10 seconds.
.SAT...W winds 10 to 15 kt with gusts up to 20 kt. Seas around
2 ft. A chance of rain.
.SAT NIGHT...W winds around 15 kt with gusts up to 20 kt. Seas
2 to 3 ft. A chance of snow.
.SUN...W winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to
3 ft. A chance of rain and snow.
.SUN NIGHT...NW winds 25 to 30 kt. Seas 3 to 5 ft. A chance of
snow.

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.

$$

ANZ254-101900-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
104 AM EST Wed Dec 10 2025

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

.REST OF TONIGHT...SW winds 20 to 25 kt with gusts up to 30 kt.
Seas 3 to 5 ft. Wave Detail: SW 5 ft at 5 seconds and NE 1 foot
at 5 seconds. A slight chance of rain.
.WED...SW winds 15 to 20 kt, becoming S 20 to 25 kt in the
afternoon. Gusts up to 30 kt. Seas 3 to 5 ft, building to 5 to
7 ft in the afternoon. Wave Detail: SW 5 ft at 5 seconds and E
1 foot at 9 seconds, becoming S 6 ft at 6 seconds and SE 1 foot
at 9 seconds.
.WED NIGHT...SW winds 20 to 25 kt, becoming W 15 to 20 kt after
midnight. Gusts up to 35 kt. Seas 5 to 7 ft, except 8 to 11 ft S
and E of Nantucket. Wave Detail: SW 6 ft at 6 seconds and S 5 ft
at 9 seconds. A chance of rain. Patchy fog after midnight.
.THU...W winds 20 to 25 kt, increasing to 25 to 30 kt in the
afternoon. Seas 5 to 8 ft. Wave Detail: W 7 ft at 6 seconds and S
6 ft at 10 seconds.
.THU NIGHT AND FRI...W winds 25 to 30 kt with gusts up to 35 kt.
Seas 5 to 7 ft. Wave Detail: W 7 ft at 6 seconds and S 4 ft at
10 seconds.
.FRI NIGHT...W winds 20 to 25 kt with gusts up to 30 kt,
diminishing to 15 to 20 kt after midnight. Seas 4 to 6 ft. Wave
Detail: W 6 ft at 6 seconds and SE 1 foot at 10 seconds.
.SAT...W winds 15 to 20 kt. Seas 3 to 5 ft. A chance of rain.
.SAT NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas
4 to 6 ft. A chance of rain.
.SUN...W winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to
5 ft. Rain likely with a chance of snow. Vsby 1 NM or less.
.SUN NIGHT...NW winds 25 to 30 kt. Seas 5 to 7 ft. A chance of
snow. Vsby 1 NM or less.

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.

$$

ANZ255-101900-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
104 AM EST Wed Dec 10 2025

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

.REST OF TONIGHT...SW winds 25 to 30 kt. Seas 4 to 6 ft. Wave
Detail: SW 6 ft at 7 seconds and NE 1 foot at 5 seconds.
.WED...SW winds 20 to 25 kt, becoming S 25 to 30 kt in the
afternoon. Seas 5 to 7 ft, building to 7 to 10 ft in the
afternoon. Wave Detail: SW 7 ft at 7 seconds and E 1 foot at
9 seconds, becoming SW 10 ft at 8 seconds and SE 2 ft at
9 seconds.
.WED NIGHT...SW winds 25 to 30 kt with gusts up to 35 kt. Seas
8 to 11 ft. Wave Detail: SW 11 ft at 10 seconds. A chance of
rain.
.THU...W winds 20 to 25 kt, increasing to 25 to 30 kt in the
afternoon. Seas 7 to 10 ft. Wave Detail: SW 10 ft at 10 seconds.
.THU NIGHT AND FRI...W winds 25 to 30 kt with gusts up to 40 kt.
Seas 6 to 9 ft. Wave Detail: SW 9 ft at 9 seconds and SE 2 ft at
10 seconds.
.FRI NIGHT...W winds 20 to 25 kt, diminishing to 15 to 20 kt
after midnight. Seas 5 to 7 ft. Wave Detail: W 7 ft at 7 seconds
and S 1 foot at 10 seconds.
.SAT...W winds 20 to 25 kt. Seas 4 to 6 ft. A chance of rain.
.SAT NIGHT...W winds 20 to 25 kt. Seas 5 to 8 ft. A chance of
rain.
.SUN...W winds 25 to 30 kt. Seas 4 to 6 ft. Rain likely.
.SUN NIGHT...NW winds 30 to 35 kt with gusts up to 40 kt. Seas
5 to 8 ft. A chance of snow. Vsby 1 to 3 NM.

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.

$$

ANZ256-101900-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
104 AM EST Wed Dec 10 2025

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

.REST OF TONIGHT...SW winds 25 to 30 kt with gusts up to 35 kt.
Seas 5 to 8 ft. Wave Detail: SW 8 ft at 7 seconds and E 1 foot at
9 seconds.
.WED...SW winds 25 to 30 kt with gusts up to 35 kt. Seas 7 to
8 ft, building to 9 to 12 ft in the afternoon. Wave Detail: SW
8 ft at 7 seconds and SE 1 foot at 9 seconds, becoming SW 11 ft
at 8 seconds and SE 10 ft at 9 seconds. A chance of rain in the
afternoon.
.WED NIGHT...SW winds 25 to 30 kt with gusts up to 40 kt. Seas
9 to 12 ft. Wave Detail: SW 12 ft at 8 seconds. Rain likely,
mainly in the evening.
.THU...W winds 25 to 30 kt with gusts up to 35 kt. Seas 7 to
10 ft. Wave Detail: W 10 ft at 9 seconds and SW 10 ft at
9 seconds.
.THU NIGHT AND FRI...W winds 25 to 30 kt with gusts up to 40 kt.
Seas 5 to 8 ft. Wave Detail: W 8 ft at 8 seconds and SE 4 ft at
10 seconds.
.FRI NIGHT...W winds 20 to 25 kt, diminishing to 15 to 20 kt
after midnight. Seas 4 to 6 ft. Wave Detail: W 6 ft at 7 seconds.
.SAT...W winds 20 to 25 kt. Seas 4 to 6 ft. A chance of rain.
.SAT NIGHT...W winds 20 to 25 kt. Seas 5 to 7 ft. A chance of
rain.
.SUN...W winds 25 to 30 kt. Seas 4 to 6 ft. A chance of rain.
.SUN NIGHT...NW winds 25 to 35 kt with gusts up to 40 kt. Seas
5 to 7 ft. A chance of snow.

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.

$$

ANZ232-101900-
Nantucket Sound-
104 AM EST Wed Dec 10 2025

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

.REST OF TONIGHT...SW winds 20 to 25 kt with gusts up to 30 kt.
Seas 3 to 4 ft. Wave Detail: SW 4 ft at 5 seconds and NE 1 foot
at 5 seconds. A slight chance of rain.
.WED...SW winds 15 to 20 kt, becoming S 20 to 25 kt in the
afternoon. Gusts up to 30 kt. Seas 3 to 4 ft, building to 4 to
6 ft in the afternoon. Wave Detail: SW 4 ft at 5 seconds and SE
1 foot at 9 seconds, becoming SW 5 ft at 5 seconds and SE 2 ft at
9 seconds. A chance of rain in the afternoon.
.WED NIGHT...SW winds 20 to 25 kt with gusts up to 30 kt. Seas
4 to 6 ft. Wave Detail: SW 5 ft at 5 seconds and S 3 ft at
9 seconds. A chance of rain.
.THU...W winds 20 to 25 kt with gusts up to 35 kt. Seas 3 to
5 ft. Wave Detail: W 4 ft at 4 seconds and S 3 ft at 10 seconds.
.THU NIGHT AND FRI...W winds 25 to 30 kt with gusts up to 35 kt.
Seas 3 to 5 ft. Wave Detail: W 5 ft at 5 seconds and S 2 ft at
10 seconds.
.FRI NIGHT...W winds 20 to 25 kt, diminishing to 10 to 15 kt
after midnight. Seas 2 to 4 ft. Wave Detail: W 4 ft at 5 seconds
and S 1 foot at 10 seconds.
.SAT...W winds 15 to 20 kt. Seas 2 to 4 ft. A chance of rain.
.SAT NIGHT...W winds 15 to 20 kt. Seas 3 to 5 ft. A chance of
rain.
.SUN...W winds 20 to 25 kt with gusts up to 30 kt. Seas 2 to
4 ft. A chance of rain and snow.
.SUN NIGHT...NW winds 25 to 30 kt. Seas 3 to 4 ft. A chance of
snow.

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.

$$

ANZ233-101900-
Vineyard Sound-
104 AM EST Wed Dec 10 2025

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

.REST OF TONIGHT...SW winds 25 to 30 kt. Seas 3 to 5 ft. Wave
Detail: SW 5 ft at 7 seconds and SE 1 foot at 9 seconds. A slight
chance of rain.
.WED...SW winds 20 to 25 kt, becoming S 25 to 30 kt in the
afternoon. Seas 4 to 6 ft, building to 5 to 8 ft in the
afternoon. Wave Detail: SW 6 ft at 7 seconds and SE 1 foot at
9 seconds, becoming SW 7 ft at 7 seconds and S 7 ft at 9 seconds.
A chance of rain in the afternoon.
.WED NIGHT...SW winds 25 to 30 kt, becoming W 20 to 25 kt after
midnight. Seas 6 to 9 ft, subsiding to 5 to 7 ft after midnight.
Wave Detail: SW 8 ft at 8 seconds, becoming SW 7 ft at 8 seconds.
A chance of rain.
.THU...W winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to
7 ft, subsiding to 4 to 5 ft in the afternoon. Wave Detail: SW
6 ft at 9 seconds and W 3 ft at 6 seconds, becoming W 5 ft at
7 seconds and SW 5 ft at 10 seconds.
.THU NIGHT AND FRI...W winds 20 to 25 kt with gusts up to 35 kt.
Seas 3 to 5 ft. Wave Detail: SW 5 ft at 8 seconds and S 3 ft at
10 seconds.
.FRI NIGHT...W winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. Gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail:
SW 4 ft at 7 seconds.
.SAT...W winds 15 to 20 kt. Seas 2 to 4 ft. A chance of rain and
snow.
.SAT NIGHT...W winds 15 to 20 kt. Seas 3 to 5 ft. A chance of
rain and snow.
.SUN...W winds 20 to 25 kt. Seas 2 to 3 ft. A chance of rain and
snow.
.SUN NIGHT...NW winds 25 to 30 kt. Seas 3 to 4 ft. A chance of
snow.

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.

$$

ANZ234-101900-
Buzzards Bay-
104 AM EST Wed Dec 10 2025

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

.REST OF TONIGHT...SW winds 20 to 25 kt with gusts up to 30 kt.
Seas 3 to 4 ft. Wave Detail: SW 4 ft at 6 seconds and NE 1 foot
at 4 seconds. A slight chance of rain.
.WED...SW winds 20 to 25 kt, becoming S 25 to 30 kt in the
afternoon. Seas 4 to 6 ft. Wave Detail: SW 6 ft at 7 seconds and
S 5 ft at 9 seconds. A chance of rain in the afternoon.
.WED NIGHT...SW winds 25 to 30 kt, becoming W 15 to 20 kt after
midnight. Seas 4 to 6 ft. Wave Detail: SW 6 ft at 8 seconds. A
chance of rain. Patchy fog in the evening.
.THU...W winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to
5 ft. Wave Detail: SW 5 ft at 9 seconds and W 4 ft at 7 seconds.
.THU NIGHT THROUGH FRI NIGHT...W winds 20 to 25 kt with gusts up
to 30 kt. Seas 2 to 4 ft. Wave Detail: SW 4 ft at 7 seconds and S
3 ft at 10 seconds.
.SAT AND SAT NIGHT...W winds 10 to 15 kt, increasing to 15 to
20 kt. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 5 seconds and S
1 foot at 9 seconds. A chance of snow.
.SUN...W winds 20 to 25 kt. Seas 2 to 3 ft. A chance of rain and
snow.
.SUN NIGHT...NW winds 25 to 30 kt. Seas 3 to 4 ft. A chance of
snow.

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.

$$

ANZ235-101900-
Rhode Island Sound-
104 AM EST Wed Dec 10 2025

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

.REST OF TONIGHT...SW winds 25 to 30 kt with gusts up to 35 kt.
Seas 4 to 6 ft. Wave Detail: SW 6 ft at 7 seconds and SE 1 foot
at 9 seconds. A slight chance of rain.
.WED...SW winds 20 to 25 kt, increasing to 25 to 30 kt in the
afternoon. Seas 5 to 7 ft, building to 6 to 9 ft in the
afternoon. Wave Detail: SW 7 ft at 7 seconds and SE 1 foot at
9 seconds, becoming SW 9 ft at 7 seconds and S 9 ft at 9 seconds.
A chance of rain in the afternoon.
.WED NIGHT...SW winds 25 to 30 kt, becoming W 20 to 25 kt after
midnight. Seas 7 to 10 ft. Wave Detail: SW 10 ft at 8 seconds. A
chance of rain.
.THU...W winds 20 to 25 kt, increasing to 25 to 30 kt in the
afternoon. Seas 5 to 8 ft. Wave Detail: SW 8 ft at 9 seconds and
W 7 ft at 7 seconds.
.THU NIGHT AND FRI...W winds 25 to 30 kt with gusts up to 35 kt.
Seas 4 to 6 ft. Wave Detail: W 6 ft at 8 seconds and S 5 ft at
10 seconds.
.FRI NIGHT...W winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. Gusts up to 25 kt. Seas 3 to 5 ft. Wave Detail: W
5 ft at 7 seconds and S 1 foot at 10 seconds.
.SAT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to
5 ft. A chance of rain.
.SAT NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas
3 to 5 ft. A chance of rain and snow.
.SUN...W winds 20 to 25 kt with gusts up to 30 kt. Seas 2 to
4 ft. A chance of rain and snow.
.SUN NIGHT...NW winds 25 to 30 kt. Seas 3 to 5 ft. A chance of
snow.

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.

$$

ANZ237-101900-
Block Island Sound-
104 AM EST Wed Dec 10 2025

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

.REST OF TONIGHT...SW winds 20 to 25 kt with gusts up to 35 kt.
Seas 4 to 6 ft. Wave Detail: SW 5 ft at 6 seconds and SE 1 foot
at 9 seconds.
.WED...SW winds 20 to 25 kt with gusts up to 35 kt. Seas 4 to
6 ft, building to 5 to 8 ft in the afternoon. Wave Detail: SW
5 ft at 6 seconds and SE 3 ft at 9 seconds, becoming S 7 ft at
7 seconds. A chance of rain in the afternoon.
.WED NIGHT...SW winds 20 to 25 kt with gusts up to 35 kt. Seas
6 to 9 ft. Wave Detail: S 7 ft at 9 seconds and W 4 ft at
5 seconds. A chance of rain. Patchy fog in the evening.
.THU...W winds 20 to 25 kt, increasing to 25 to 30 kt in the
afternoon. Seas 5 to 7 ft. Wave Detail: S 6 ft at 9 seconds and W
5 ft at 5 seconds.
.THU NIGHT...W winds 25 to 30 kt, diminishing to 20 to 25 kt
after midnight. Seas 4 to 6 ft. Wave Detail: W 5 ft at 5 seconds
and S 4 ft at 9 seconds.
.FRI...W winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. Gusts up to 30 kt. Seas 3 to 5 ft. Wave Detail: W 4 ft
at 5 seconds and S 3 ft at 9 seconds.
.FRI NIGHT...W winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. Gusts up to 25 kt. Seas 2 to 4 ft.
.SAT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to
4 ft. A chance of rain.
.SAT NIGHT AND SUN...W winds 15 to 20 kt, increasing to 20 to
25 kt. Gusts up to 30 kt. Seas 2 to 4 ft. A chance of rain and
snow.
.SUN NIGHT...NW winds 20 to 25 kt with gusts up to 30 kt. Seas
3 to 5 ft. A chance of snow.

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.

$$

ANZ230-101900-
Boston Harbor-
104 AM EST Wed Dec 10 2025

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

.REST OF TONIGHT...SW winds 10 to 15 kt with gusts up to 25 kt.
Waves around 2 ft. A slight chance of snow.
.WED...SW winds 15 to 20 kt with gusts up to 30 kt. Waves around
2 ft. Rain likely in the afternoon.
.WED NIGHT...SW winds 15 to 20 kt with gusts up to 30 kt. Waves
around 2 ft. Rain likely, mainly in the evening. Patchy fog in
the evening.
.THU...W winds 15 to 20 kt, increasing to 20 to 25 kt in the
afternoon. Gusts up to 30 kt. Waves around 2 ft.
.THU NIGHT THROUGH FRI NIGHT...W winds 20 to 25 kt with gusts up
to 30 kt. Waves around 2 ft.
.SAT...SW winds 10 to 15 kt. Waves around 2 ft.
.SAT NIGHT THROUGH SUN NIGHT...NW winds 20 to 25 kt with gusts up
to 30 kt. Waves around 2 ft. A chance of snow.

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.

$$

ANZ236-101900-
Narragansett Bay-
104 AM EST Wed Dec 10 2025

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

.REST OF TONIGHT...SW winds 15 to 20 kt with gusts up to 30 kt.
Waves 2 to 4 ft. A slight chance of rain.
.WED...SW winds 15 to 20 kt, increasing to 20 to 25 kt in the
afternoon. Gusts up to 35 kt. Waves 2 to 4 ft, building to 4 to
6 ft in the afternoon. A chance of rain in the afternoon.
.WED NIGHT...SW winds 20 to 25 kt, becoming W 15 to 20 kt after
midnight. Gusts up to 30 kt. Waves 3 to 5 ft. A chance of rain.
Patchy fog in the evening.
.THU...W winds 15 to 20 kt with gusts up to 30 kt. Waves 2 to
3 ft, except 4 to 6 ft at the bay entrance.
.THU NIGHT THROUGH FRI NIGHT...W winds 15 to 20 kt with gusts up
to 30 kt. Waves 2 to 3 ft.
.SAT...W winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to
3 ft.
.SAT NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Waves
2 to 3 ft. A chance of snow.
.SUN...NW winds 15 to 20 kt with gusts up to 25 kt. Waves 2 to
3 ft. A chance of snow and rain.
.SUN NIGHT...NW winds 15 to 20 kt with gusts up to 25 kt. Waves
around 3 ft. A chance of snow.

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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