FZUS51 KBOX 050603
CWFBOX
Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
103 AM EST Fri Dec 5 2025
Coastal waters from the Merrimack River MA to Watch Hill RI out
to 25 NM
ANZ200-051900-
103 AM EST Fri Dec 5 2025
.Synopsis for Massachusetts and Rhode Island coastal waters...
An arctic cold front will cross the waters late today into this
evening, producing Gale force gusts. High pres builds over the
waters Fri, followed by a weak low pres system passing well to our
south on Sat. Another strong cold front will cross the waters late
Sun into Sun night followed by high pres building in from the west
on Mon. Low pres will then approach from the west on Tue.
$$
ANZ250-051900-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
103 AM EST Fri Dec 5 2025
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM EST EARLY THIS
MORNING...
.REST OF TONIGHT...NW winds 20 to 25 kt with gusts up to 30 kt.
Seas 5 to 7 ft. Wave Detail: NW 7 ft at 6 seconds and SE 2 ft at
10 seconds.
.FRI...NW winds 5 to 10 kt, becoming SW 10 to 15 kt in the
afternoon. Seas 3 to 5 ft, subsiding to 2 to 3 ft in the
afternoon. Wave Detail: NW 5 ft at 6 seconds and E 2 ft at
10 seconds, becoming W 2 ft at 5 seconds and E 2 ft at 8 seconds.
.FRI NIGHT...SW winds 10 to 15 kt, diminishing to 5 to 10 kt
after midnight. Seas around 2 ft. Wave Detail: SW 2 ft at
3 seconds and E 2 ft at 8 seconds.
.SAT...S winds 5 to 10 kt, becoming SW 10 to 15 kt in the
afternoon. Seas around 2 ft. Wave Detail: SW 2 ft at 3 seconds
and SE 1 foot at 10 seconds. A chance of rain.
.SAT NIGHT...SW winds 10 to 15 kt, becoming NW after midnight.
Gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft at
3 seconds and SE 1 foot at 10 seconds.
.SUN...NW winds 10 to 15 kt with gusts up to 20 kt, becoming N
5 to 10 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: NW 2 ft
at 4 seconds and SE 2 ft at 9 seconds.
.SUN NIGHT...N winds 5 to 10 kt, becoming W 15 to 20 kt after
midnight. Seas 2 to 4 ft. A chance of rain and snow. Vsby 1 NM or
less after midnight.
.MON...NW winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to
6 ft. A chance of snow. Vsby 1 to 3 NM.
.MON NIGHT...NW winds 20 to 25 kt with gusts up to 30 kt. Seas
4 to 6 ft.
.TUE...W winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to
5 ft.
.TUE NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas
2 to 4 ft. A chance of rain.
Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.
$$
ANZ251-051900-
Massachusetts Bay and Ipswich Bay-
103 AM EST Fri Dec 5 2025
.REST OF TONIGHT...NW winds 20 to 25 kt. Seas 2 to 4 ft. Wave
Detail: NW 4 ft at 5 seconds and E 2 ft at 10 seconds.
.FRI...W winds 5 to 10 kt, becoming SW in the afternoon. Seas
2 to 3 ft. Wave Detail: NW 3 ft at 4 seconds and NE 2 ft at
7 seconds.
.FRI NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail:
SW 1 foot at 3 seconds and NE 1 foot at 7 seconds.
.SAT...SW winds 5 to 10 kt. Seas 1 foot or less, then around 2 ft
in the afternoon. Wave Detail: S 1 foot at 2 seconds and E 1 foot
at 9 seconds, becoming S 1 foot at 3 seconds and E 1 foot at
10 seconds. A chance of rain. A chance of snow in the morning.
.SAT NIGHT...W winds 10 to 15 kt. Seas around 2 ft. Wave Detail:
SW 2 ft at 3 seconds and SE 1 foot at 10 seconds.
.SUN...NW winds 10 to 15 kt, becoming N 5 to 10 kt in the
afternoon. Seas around 2 ft. Wave Detail: NW 2 ft at 3 seconds
and SE 1 foot at 9 seconds.
.SUN NIGHT...N winds 5 to 10 kt, increasing to 15 to 20 kt after
midnight. Seas 2 to 3 ft. A chance of snow and rain. Vsby 1 NM or
less after midnight.
.MON...NW winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to
4 ft. A chance of snow.
.MON NIGHT AND TUE...NW winds 15 to 20 kt, becoming SW. Gusts up
to 25 kt. Seas 2 to 4 ft.
.TUE NIGHT...SW winds 15 to 20 kt. Seas 2 to 3 ft. A chance of
rain and 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.
$$
ANZ231-051900-
Cape Cod Bay-
103 AM EST Fri Dec 5 2025
.REST OF TONIGHT...NW winds 20 to 25 kt. Seas 3 to 5 ft. Wave
Detail: NW 5 ft at 6 seconds and E 1 foot at 9 seconds.
.FRI...NW winds 5 to 10 kt, becoming SW in the afternoon. Seas
2 to 4 ft. Wave Detail: N 4 ft at 7 seconds.
.FRI NIGHT...S winds 5 to 10 kt. Seas around 2 ft in the evening,
then 1 foot or less. Wave Detail: N 2 ft at 6 seconds, becoming
SW 1 foot at 4 seconds and NE 1 foot at 7 seconds.
.SAT...S winds 5 to 10 kt. Seas 1 foot or less, then around 2 ft
in the afternoon. Wave Detail: S 1 foot at 3 seconds and NE
1 foot at 6 seconds, becoming S 1 foot at 2 seconds and E 1 foot
at 7 seconds. A chance of rain.
.SAT NIGHT...SW winds around 10 kt, becoming NW after midnight.
Seas around 2 ft. Wave Detail: SW 1 foot at 2 seconds and SE
1 foot at 8 seconds.
.SUN...NW winds 10 to 15 kt, becoming N 5 to 10 kt in the
afternoon. Seas around 2 ft in the morning, then 1 foot or less.
Wave Detail: NW 1 foot at 3 seconds and SE 1 foot at 9 seconds,
becoming NW 1 foot at 4 seconds and E 1 foot at 8 seconds.
.SUN NIGHT...NE winds around 5 kt, becoming SW 15 to 20 kt after
midnight. Seas 1 foot or less, then 2 to 3 ft after midnight. A
chance of rain. A chance of snow after midnight.
.MON...NW winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to
4 ft. A chance of snow and rain.
.MON NIGHT AND TUE...NW winds 20 to 25 kt, becoming SW 10 to
15 kt. Seas 2 to 4 ft.
.TUE NIGHT...SW winds 15 to 20 kt. Seas 2 to 3 ft. A chance of
rain.
Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.
$$
ANZ254-051900-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
103 AM EST Fri Dec 5 2025
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM EST EARLY THIS
MORNING...
.REST OF TONIGHT...NW winds 20 to 25 kt with gusts up to 30 kt.
Seas 5 to 7 ft. Wave Detail: NW 7 ft at 7 seconds and SE 2 ft at
10 seconds.
.FRI...NW winds 10 to 15 kt, becoming SW 5 to 10 kt in the
afternoon. Seas 4 to 6 ft, subsiding to 2 to 4 ft in the
afternoon. Wave Detail: NW 6 ft at 7 seconds and E 2 ft at
10 seconds, becoming NW 4 ft at 7 seconds and E 3 ft at
10 seconds.
.FRI NIGHT...S winds 5 to 10 kt, becoming SE after midnight. Seas
2 to 3 ft. Wave Detail: NE 3 ft at 8 seconds and W 2 ft at
6 seconds.
.SAT...SE winds 5 to 10 kt, becoming S in the afternoon. Seas
around 2 ft. Wave Detail: S 2 ft at 4 seconds and SE 2 ft at
8 seconds.
.SAT NIGHT...SW winds 10 to 15 kt, becoming NW with gusts up to
20 kt after midnight. Seas 2 to 3 ft. Wave Detail: SW 2 ft at
3 seconds and SE 2 ft at 9 seconds.
.SUN...NW winds 10 to 15 kt with gusts up to 20 kt, becoming N
5 to 10 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: NW 2 ft
at 4 seconds and SE 2 ft at 8 seconds.
.SUN NIGHT...NW winds 5 to 10 kt, becoming SW 15 to 20 kt after
midnight. Seas 2 to 3 ft. A chance of rain. Vsby 1 to 3 NM after
midnight.
.MON...NW winds 25 to 30 kt. Seas 4 to 6 ft. A chance of snow and
rain.
.MON NIGHT...NW winds 20 to 25 kt with gusts up to 30 kt. Seas
5 to 7 ft.
.TUE...W winds 15 to 20 kt. Seas 3 to 5 ft.
.TUE NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas
3 to 5 ft. A chance of rain.
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.
$$
ANZ255-051900-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
103 AM EST Fri Dec 5 2025
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM EST EARLY THIS
MORNING...
.REST OF TONIGHT...N winds 20 to 25 kt with gusts up to 30 kt.
Seas 4 to 6 ft. Wave Detail: NW 6 ft at 7 seconds and E 2 ft at
10 seconds.
.FRI...N winds 10 to 15 kt, becoming S 5 to 10 kt in the
afternoon. Seas 3 to 5 ft, subsiding to 2 to 3 ft in the
afternoon. Wave Detail: W 4 ft at 6 seconds and NE 2 ft at
8 seconds, becoming W 2 ft at 6 seconds and SE 2 ft at 9 seconds.
.FRI NIGHT...S winds 5 to 10 kt, becoming E after midnight. Seas
around 2 ft. Wave Detail: SE 2 ft at 9 seconds and SW 1 foot at
5 seconds.
.SAT...SE winds 5 to 10 kt, becoming SW 10 to 15 kt in the
afternoon. Seas around 2 ft. Wave Detail: S 2 ft at 3 seconds and
E 2 ft at 9 seconds. A chance of rain in the afternoon.
.SAT NIGHT...W winds 10 to 15 kt, becoming NW after midnight.
Gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: W 3 ft at
5 seconds and SE 2 ft at 9 seconds.
.SUN...N winds 10 to 15 kt, diminishing to 5 to 10 kt in the
afternoon. Seas 2 to 3 ft. Wave Detail: NW 3 ft at 5 seconds and
SE 2 ft at 7 seconds.
.SUN NIGHT...S winds 5 to 10 kt, becoming W 20 to 25 kt after
midnight. Seas 2 to 4 ft. A chance of rain.
.MON...NW winds 25 to 30 kt. Seas 4 to 6 ft. A chance of rain.
.MON NIGHT...N winds 25 to 30 kt. Seas 4 to 6 ft.
.TUE...W winds 20 to 25 kt. Seas 2 to 4 ft.
.TUE NIGHT...SW winds 25 to 30 kt. Seas 5 to 7 ft. A chance of
rain.
Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.
$$
ANZ256-051900-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
103 AM EST Fri Dec 5 2025
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM EST EARLY THIS
MORNING...
.REST OF TONIGHT...N winds 20 to 25 kt. Seas 4 to 6 ft. Wave
Detail: NW 6 ft at 6 seconds and SE 2 ft at 10 seconds.
.FRI...NE winds 10 to 15 kt, becoming S around 5 kt in the
afternoon. Seas 2 to 4 ft. Wave Detail: NW 3 ft at 5 seconds and
E 2 ft at 10 seconds.
.FRI NIGHT...SE winds 5 to 10 kt. Seas around 2 ft. Wave Detail:
SE 2 ft at 10 seconds and SW 1 foot at 6 seconds.
.SAT...S winds 5 to 10 kt, becoming SW 10 to 15 kt in the
afternoon. Seas around 2 ft. Wave Detail: S 2 ft at 3 seconds and
SE 2 ft at 10 seconds. A chance of rain.
.SAT NIGHT...W winds 10 to 15 kt, becoming NW 15 to 20 kt after
midnight. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 4 seconds and
SE 2 ft at 9 seconds.
.SUN...N winds 10 to 15 kt, becoming NE 5 to 10 kt in the
afternoon. Seas 2 to 3 ft. Wave Detail: NW 2 ft at 4 seconds and
SE 2 ft at 9 seconds.
.SUN NIGHT...S winds 5 to 10 kt, becoming W 20 to 25 kt after
midnight. Seas 2 to 4 ft. A chance of rain.
.MON...NW winds 25 to 30 kt. Seas 4 to 6 ft. A chance of rain.
.MON NIGHT...N winds 25 to 30 kt. Seas 3 to 5 ft.
.TUE...W winds 20 to 25 kt. Seas 2 to 4 ft.
.TUE NIGHT...SW winds 25 to 30 kt. Seas 5 to 7 ft. A chance of
rain.
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.
$$
ANZ232-051900-
Nantucket Sound-
103 AM EST Fri Dec 5 2025
.REST OF TONIGHT...NW winds 20 to 25 kt. Seas 2 to 4 ft. Wave
Detail: NW 4 ft at 4 seconds and E 1 foot at 10 seconds.
.FRI...NW winds 5 to 10 kt, becoming SW in the afternoon. Seas
2 to 3 ft. Wave Detail: NW 2 ft at 4 seconds and NE 1 foot at
10 seconds.
.FRI NIGHT...S winds 5 to 10 kt, becoming SE after midnight. Seas
around 2 ft. Wave Detail: SW 1 foot at 2 seconds and E 1 foot at
9 seconds.
.SAT...SE winds 5 to 10 kt, becoming S in the afternoon. Seas
1 foot or less, then around 2 ft in the afternoon. Wave Detail:
SE 1 foot at 3 seconds and E 1 foot at 9 seconds, becoming S
1 foot at 3 seconds and SE 1 foot at 9 seconds. A chance of rain
in the afternoon.
.SAT NIGHT...W winds 10 to 15 kt, becoming NW after midnight.
Seas around 2 ft. Wave Detail: W 2 ft at 3 seconds and SE 1 foot
at 9 seconds.
.SUN...NW winds 10 to 15 kt, becoming N 5 to 10 kt in the
afternoon. Seas around 2 ft. Wave Detail: NW 1 foot at 3 seconds
and SE 1 foot at 7 seconds.
.SUN NIGHT...E winds 5 to 10 kt, becoming SW 15 to 20 kt after
midnight. Seas 2 to 3 ft. A chance of rain.
.MON...NW winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to
4 ft. A chance of rain.
.MON NIGHT AND TUE...NW winds 20 to 25 kt, becoming W 15 to
20 kt. Seas 2 to 4 ft.
.TUE NIGHT...SW winds 20 to 25 kt. Seas 2 to 4 ft. A chance of
rain.
Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.
$$
ANZ233-051900-
Vineyard Sound-
103 AM EST Fri Dec 5 2025
.REST OF TONIGHT...N winds 15 to 20 kt. Seas 2 to 4 ft. Wave
Detail: NW 3 ft at 6 seconds and E 1 foot at 9 seconds.
.FRI...N winds 5 to 10 kt, becoming S in the afternoon. Seas
around 2 ft in the morning, then 1 foot or less. Wave Detail: NW
2 ft at 5 seconds and NE 1 foot at 7 seconds, becoming SW 1 foot
at 5 seconds and E 1 foot at 9 seconds.
.FRI NIGHT...S winds 5 to 10 kt, becoming SE after midnight. Seas
1 foot or less. Wave Detail: SW 1 foot at 3 seconds and SE 1 foot
at 9 seconds.
.SAT...SE winds 5 to 10 kt, becoming SW in the afternoon. Seas
1 foot or less, then around 2 ft in the afternoon. Wave Detail: S
1 foot at 3 seconds and SE 1 foot at 9 seconds. A chance of rain.
.SAT NIGHT...W winds 10 to 15 kt. Seas around 2 ft. Wave Detail:
SW 2 ft at 4 seconds and SE 1 foot at 8 seconds.
.SUN...N winds around 10 kt, diminishing to around 5 kt in the
afternoon. Seas around 2 ft. Wave Detail: NW 1 foot at 4 seconds
and SE 1 foot at 7 seconds.
.SUN NIGHT...SE winds 5 to 10 kt, becoming W 15 to 20 kt after
midnight. Seas 2 to 3 ft. A chance of rain.
.MON...NW winds 20 to 25 kt with gusts up to 30 kt. Seas around
3 ft. A chance of rain.
.MON NIGHT AND TUE...NW winds 20 to 25 kt, becoming W 15 to
20 kt. Seas 2 to 4 ft.
.TUE NIGHT...SW winds 20 to 25 kt. Seas 3 to 5 ft. A chance of
rain.
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.
$$
ANZ234-051900-
Buzzards Bay-
103 AM EST Fri Dec 5 2025
.REST OF TONIGHT...N winds 15 to 20 kt. Seas 2 to 3 ft. Wave
Detail: NW 3 ft at 5 seconds and E 1 foot at 9 seconds.
.FRI...N winds 5 to 10 kt, becoming S in the afternoon. Seas
around 2 ft in the morning, then 1 foot or less. Wave Detail: NW
2 ft at 5 seconds and NE 1 foot at 6 seconds, becoming SW 1 foot
at 5 seconds and E 1 foot at 9 seconds.
.FRI NIGHT...SE winds around 5 kt. Seas 1 foot or less. Wave
Detail: SW 1 foot at 3 seconds and E 1 foot at 9 seconds.
.SAT...SE winds 5 to 10 kt, becoming SW in the afternoon. Seas
1 foot or less, then around 2 ft in the afternoon. Wave Detail:
SE 1 foot at 3 seconds and SE 1 foot at 9 seconds, becoming SW
1 foot at 3 seconds and SE 1 foot at 9 seconds. A chance of rain.
.SAT NIGHT...W winds around 10 kt. Seas around 2 ft. Wave Detail:
SW 1 foot at 3 seconds and SE 1 foot at 9 seconds.
.SUN...N winds 5 to 10 kt. Seas around 2 ft in the morning, then
1 foot or less. Wave Detail: NW 1 foot at 4 seconds and SE 1 foot
at 8 seconds, becoming NW 1 foot at 3 seconds and SE 1 foot at
7 seconds.
.SUN NIGHT...E winds 5 to 10 kt, becoming W 15 to 20 kt after
midnight. Seas 1 foot or less, then 2 to 3 ft after midnight. A
chance of rain.
.MON...NW winds 20 to 25 kt with gusts up to 30 kt. Seas around
3 ft. A chance of rain.
.MON NIGHT AND TUE...NW winds 15 to 20 kt, becoming W. Gusts up
to 25 kt. Seas 2 to 4 ft.
.TUE NIGHT...SW winds 20 to 25 kt. Seas 2 to 4 ft. A chance of
rain.
Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.
$$
ANZ235-051900-
Rhode Island Sound-
103 AM EST Fri Dec 5 2025
.REST OF TONIGHT...N winds 15 to 20 kt. Seas 3 to 5 ft. Wave
Detail: NW 4 ft at 5 seconds and SE 2 ft at 10 seconds.
.FRI...NE winds 5 to 10 kt, becoming S in the afternoon. Seas
2 to 3 ft. Wave Detail: W 2 ft at 5 seconds and NE 2 ft at
9 seconds.
.FRI NIGHT...SE winds 5 to 10 kt. Seas around 2 ft. Wave Detail:
SW 1 foot at 3 seconds and SE 1 foot at 10 seconds.
.SAT...S winds 5 to 10 kt, becoming SW 10 to 15 kt in the
afternoon. Seas around 2 ft. Wave Detail: S 2 ft at 3 seconds and
SE 1 foot at 10 seconds. A chance of rain.
.SAT NIGHT...W winds 10 to 15 kt. Seas around 2 ft. Wave Detail:
SW 2 ft at 4 seconds and SE 2 ft at 9 seconds.
.SUN...N winds 10 to 15 kt, becoming NE around 5 kt in the
afternoon. Seas around 2 ft. Wave Detail: NW 2 ft at 4 seconds
and SE 2 ft at 8 seconds.
.SUN NIGHT...S winds 5 to 10 kt, becoming W 15 to 20 kt after
midnight. Seas 2 to 3 ft. A chance of rain.
.MON...NW winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to
4 ft. A chance of rain.
.MON NIGHT AND TUE...NW winds 20 to 25 kt, becoming W. Seas 2 to
4 ft.
.TUE NIGHT...SW winds 20 to 25 kt with gusts up to 30 kt. Seas
3 to 5 ft. A chance of rain.
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.
$$
ANZ237-051900-
Block Island Sound-
103 AM EST Fri Dec 5 2025
.REST OF TONIGHT...N winds 10 to 15 kt with gusts up to 20 kt.
Seas 2 to 4 ft. Wave Detail: NW 3 ft at 4 seconds and E 2 ft at
10 seconds.
.FRI...NE winds 5 to 10 kt, becoming S in the afternoon. Seas
around 2 ft. Wave Detail: NE 2 ft at 8 seconds and W 1 foot at
5 seconds.
.FRI NIGHT...SE winds around 5 kt. Seas around 2 ft. Wave Detail:
S 1 foot at 4 seconds and SE 1 foot at 10 seconds.
.SAT...S winds 5 to 10 kt, becoming SW in the afternoon. Seas
around 2 ft. Wave Detail: SW 2 ft at 3 seconds and SE 1 foot at
10 seconds. A chance of rain.
.SAT NIGHT...NW winds 10 to 15 kt. Seas around 2 ft. Wave Detail:
W 2 ft at 3 seconds and SE 2 ft at 9 seconds.
.SUN...N winds 5 to 10 kt, becoming NE in the afternoon. Seas
around 2 ft. Wave Detail: NW 2 ft at 3 seconds and SE 2 ft at
9 seconds.
.SUN NIGHT...SW winds 5 to 10 kt, becoming W 15 to 20 kt after
midnight. Seas 2 to 3 ft. A chance of rain.
.MON...NW winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to
4 ft. A chance of rain.
.MON NIGHT AND TUE...NW winds 15 to 20 kt, becoming W. Gusts up
to 25 kt. Seas 2 to 4 ft.
.TUE NIGHT...SW winds 20 to 25 kt. Seas 3 to 5 ft. A chance of
rain.
Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.
$$
ANZ230-051900-
Boston Harbor-
103 AM EST Fri Dec 5 2025
.REST OF TONIGHT...NW winds 15 to 20 kt. Waves around 2 ft.
.FRI...W winds 5 to 10 kt, becoming SW in the afternoon. Waves
1 foot or less.
.FRI NIGHT...SW winds 5 to 10 kt. Waves 1 foot or less.
.SAT...SW winds 5 to 10 kt. Waves 1 foot or less. A chance of
rain. A chance of snow in the morning.
.SAT NIGHT...W winds 10 to 15 kt. Waves 1 foot or less, then
around 2 ft after midnight.
.SUN...NW winds 5 to 10 kt. Waves 1 foot or less.
.SUN NIGHT...NE winds 5 to 10 kt, becoming NW 10 to 15 kt with
gusts up to 20 kt after midnight. Waves 1 foot or less, then
around 2 ft after midnight. A chance of snow. A chance of rain
after midnight.
.MON...NW winds 20 to 25 kt. Waves around 2 ft. A chance of snow.
.MON NIGHT AND TUE...NW winds 15 to 20 kt, becoming SW 10 to
15 kt. Waves around 2 ft.
.TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Waves
around 2 ft. A chance of rain and 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.
$$
ANZ236-051900-
Narragansett Bay-
103 AM EST Fri Dec 5 2025
.REST OF TONIGHT...N winds 10 to 15 kt with gusts up to 20 kt.
Waves around 2 ft.
.FRI...N winds 5 to 10 kt, becoming S in the afternoon. Waves
around 2 ft in the morning, then 1 foot or less.
.FRI NIGHT...S winds around 5 kt, becoming NE after midnight.
Waves 1 foot or less.
.SAT...SE winds 5 to 10 kt, becoming SW in the afternoon. Waves
1 foot or less, then around 2 ft in the afternoon. A chance of
rain.
.SAT NIGHT...W winds 5 to 10 kt. Waves around 2 ft.
.SUN...N winds 5 to 10 kt, becoming NE in the afternoon. Waves
around 2 ft.
.SUN NIGHT...NE winds 5 to 10 kt, becoming NW 10 to 15 kt with
gusts up to 20 kt after midnight. Waves around 2 ft. A chance of
rain and snow.
.MON...NW winds 15 to 20 kt with gusts up to 25 kt. Waves 2 to
3 ft. A chance of snow.
.MON NIGHT AND TUE...NW winds 15 to 20 kt, becoming W. Waves 2 to
3 ft.
.TUE NIGHT...SW winds 15 to 20 kt. Waves 2 to 3 ft. A chance of
rain and snow.
Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.
$$
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CWFBOX
Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
103 AM EST Fri Dec 5 2025
Coastal waters from the Merrimack River MA to Watch Hill RI out
to 25 NM
ANZ200-051900-
103 AM EST Fri Dec 5 2025
.Synopsis for Massachusetts and Rhode Island coastal waters...
An arctic cold front will cross the waters late today into this
evening, producing Gale force gusts. High pres builds over the
waters Fri, followed by a weak low pres system passing well to our
south on Sat. Another strong cold front will cross the waters late
Sun into Sun night followed by high pres building in from the west
on Mon. Low pres will then approach from the west on Tue.
$$
ANZ250-051900-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
103 AM EST Fri Dec 5 2025
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM EST EARLY THIS
MORNING...
.REST OF TONIGHT...NW winds 20 to 25 kt with gusts up to 30 kt.
Seas 5 to 7 ft. Wave Detail: NW 7 ft at 6 seconds and SE 2 ft at
10 seconds.
.FRI...NW winds 5 to 10 kt, becoming SW 10 to 15 kt in the
afternoon. Seas 3 to 5 ft, subsiding to 2 to 3 ft in the
afternoon. Wave Detail: NW 5 ft at 6 seconds and E 2 ft at
10 seconds, becoming W 2 ft at 5 seconds and E 2 ft at 8 seconds.
.FRI NIGHT...SW winds 10 to 15 kt, diminishing to 5 to 10 kt
after midnight. Seas around 2 ft. Wave Detail: SW 2 ft at
3 seconds and E 2 ft at 8 seconds.
.SAT...S winds 5 to 10 kt, becoming SW 10 to 15 kt in the
afternoon. Seas around 2 ft. Wave Detail: SW 2 ft at 3 seconds
and SE 1 foot at 10 seconds. A chance of rain.
.SAT NIGHT...SW winds 10 to 15 kt, becoming NW after midnight.
Gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft at
3 seconds and SE 1 foot at 10 seconds.
.SUN...NW winds 10 to 15 kt with gusts up to 20 kt, becoming N
5 to 10 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: NW 2 ft
at 4 seconds and SE 2 ft at 9 seconds.
.SUN NIGHT...N winds 5 to 10 kt, becoming W 15 to 20 kt after
midnight. Seas 2 to 4 ft. A chance of rain and snow. Vsby 1 NM or
less after midnight.
.MON...NW winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to
6 ft. A chance of snow. Vsby 1 to 3 NM.
.MON NIGHT...NW winds 20 to 25 kt with gusts up to 30 kt. Seas
4 to 6 ft.
.TUE...W winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to
5 ft.
.TUE NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas
2 to 4 ft. A chance of rain.
Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.
$$
ANZ251-051900-
Massachusetts Bay and Ipswich Bay-
103 AM EST Fri Dec 5 2025
.REST OF TONIGHT...NW winds 20 to 25 kt. Seas 2 to 4 ft. Wave
Detail: NW 4 ft at 5 seconds and E 2 ft at 10 seconds.
.FRI...W winds 5 to 10 kt, becoming SW in the afternoon. Seas
2 to 3 ft. Wave Detail: NW 3 ft at 4 seconds and NE 2 ft at
7 seconds.
.FRI NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail:
SW 1 foot at 3 seconds and NE 1 foot at 7 seconds.
.SAT...SW winds 5 to 10 kt. Seas 1 foot or less, then around 2 ft
in the afternoon. Wave Detail: S 1 foot at 2 seconds and E 1 foot
at 9 seconds, becoming S 1 foot at 3 seconds and E 1 foot at
10 seconds. A chance of rain. A chance of snow in the morning.
.SAT NIGHT...W winds 10 to 15 kt. Seas around 2 ft. Wave Detail:
SW 2 ft at 3 seconds and SE 1 foot at 10 seconds.
.SUN...NW winds 10 to 15 kt, becoming N 5 to 10 kt in the
afternoon. Seas around 2 ft. Wave Detail: NW 2 ft at 3 seconds
and SE 1 foot at 9 seconds.
.SUN NIGHT...N winds 5 to 10 kt, increasing to 15 to 20 kt after
midnight. Seas 2 to 3 ft. A chance of snow and rain. Vsby 1 NM or
less after midnight.
.MON...NW winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to
4 ft. A chance of snow.
.MON NIGHT AND TUE...NW winds 15 to 20 kt, becoming SW. Gusts up
to 25 kt. Seas 2 to 4 ft.
.TUE NIGHT...SW winds 15 to 20 kt. Seas 2 to 3 ft. A chance of
rain and 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.
$$
ANZ231-051900-
Cape Cod Bay-
103 AM EST Fri Dec 5 2025
.REST OF TONIGHT...NW winds 20 to 25 kt. Seas 3 to 5 ft. Wave
Detail: NW 5 ft at 6 seconds and E 1 foot at 9 seconds.
.FRI...NW winds 5 to 10 kt, becoming SW in the afternoon. Seas
2 to 4 ft. Wave Detail: N 4 ft at 7 seconds.
.FRI NIGHT...S winds 5 to 10 kt. Seas around 2 ft in the evening,
then 1 foot or less. Wave Detail: N 2 ft at 6 seconds, becoming
SW 1 foot at 4 seconds and NE 1 foot at 7 seconds.
.SAT...S winds 5 to 10 kt. Seas 1 foot or less, then around 2 ft
in the afternoon. Wave Detail: S 1 foot at 3 seconds and NE
1 foot at 6 seconds, becoming S 1 foot at 2 seconds and E 1 foot
at 7 seconds. A chance of rain.
.SAT NIGHT...SW winds around 10 kt, becoming NW after midnight.
Seas around 2 ft. Wave Detail: SW 1 foot at 2 seconds and SE
1 foot at 8 seconds.
.SUN...NW winds 10 to 15 kt, becoming N 5 to 10 kt in the
afternoon. Seas around 2 ft in the morning, then 1 foot or less.
Wave Detail: NW 1 foot at 3 seconds and SE 1 foot at 9 seconds,
becoming NW 1 foot at 4 seconds and E 1 foot at 8 seconds.
.SUN NIGHT...NE winds around 5 kt, becoming SW 15 to 20 kt after
midnight. Seas 1 foot or less, then 2 to 3 ft after midnight. A
chance of rain. A chance of snow after midnight.
.MON...NW winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to
4 ft. A chance of snow and rain.
.MON NIGHT AND TUE...NW winds 20 to 25 kt, becoming SW 10 to
15 kt. Seas 2 to 4 ft.
.TUE NIGHT...SW winds 15 to 20 kt. Seas 2 to 3 ft. A chance of
rain.
Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.
$$
ANZ254-051900-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
103 AM EST Fri Dec 5 2025
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM EST EARLY THIS
MORNING...
.REST OF TONIGHT...NW winds 20 to 25 kt with gusts up to 30 kt.
Seas 5 to 7 ft. Wave Detail: NW 7 ft at 7 seconds and SE 2 ft at
10 seconds.
.FRI...NW winds 10 to 15 kt, becoming SW 5 to 10 kt in the
afternoon. Seas 4 to 6 ft, subsiding to 2 to 4 ft in the
afternoon. Wave Detail: NW 6 ft at 7 seconds and E 2 ft at
10 seconds, becoming NW 4 ft at 7 seconds and E 3 ft at
10 seconds.
.FRI NIGHT...S winds 5 to 10 kt, becoming SE after midnight. Seas
2 to 3 ft. Wave Detail: NE 3 ft at 8 seconds and W 2 ft at
6 seconds.
.SAT...SE winds 5 to 10 kt, becoming S in the afternoon. Seas
around 2 ft. Wave Detail: S 2 ft at 4 seconds and SE 2 ft at
8 seconds.
.SAT NIGHT...SW winds 10 to 15 kt, becoming NW with gusts up to
20 kt after midnight. Seas 2 to 3 ft. Wave Detail: SW 2 ft at
3 seconds and SE 2 ft at 9 seconds.
.SUN...NW winds 10 to 15 kt with gusts up to 20 kt, becoming N
5 to 10 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: NW 2 ft
at 4 seconds and SE 2 ft at 8 seconds.
.SUN NIGHT...NW winds 5 to 10 kt, becoming SW 15 to 20 kt after
midnight. Seas 2 to 3 ft. A chance of rain. Vsby 1 to 3 NM after
midnight.
.MON...NW winds 25 to 30 kt. Seas 4 to 6 ft. A chance of snow and
rain.
.MON NIGHT...NW winds 20 to 25 kt with gusts up to 30 kt. Seas
5 to 7 ft.
.TUE...W winds 15 to 20 kt. Seas 3 to 5 ft.
.TUE NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas
3 to 5 ft. A chance of rain.
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.
$$
ANZ255-051900-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
103 AM EST Fri Dec 5 2025
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM EST EARLY THIS
MORNING...
.REST OF TONIGHT...N winds 20 to 25 kt with gusts up to 30 kt.
Seas 4 to 6 ft. Wave Detail: NW 6 ft at 7 seconds and E 2 ft at
10 seconds.
.FRI...N winds 10 to 15 kt, becoming S 5 to 10 kt in the
afternoon. Seas 3 to 5 ft, subsiding to 2 to 3 ft in the
afternoon. Wave Detail: W 4 ft at 6 seconds and NE 2 ft at
8 seconds, becoming W 2 ft at 6 seconds and SE 2 ft at 9 seconds.
.FRI NIGHT...S winds 5 to 10 kt, becoming E after midnight. Seas
around 2 ft. Wave Detail: SE 2 ft at 9 seconds and SW 1 foot at
5 seconds.
.SAT...SE winds 5 to 10 kt, becoming SW 10 to 15 kt in the
afternoon. Seas around 2 ft. Wave Detail: S 2 ft at 3 seconds and
E 2 ft at 9 seconds. A chance of rain in the afternoon.
.SAT NIGHT...W winds 10 to 15 kt, becoming NW after midnight.
Gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: W 3 ft at
5 seconds and SE 2 ft at 9 seconds.
.SUN...N winds 10 to 15 kt, diminishing to 5 to 10 kt in the
afternoon. Seas 2 to 3 ft. Wave Detail: NW 3 ft at 5 seconds and
SE 2 ft at 7 seconds.
.SUN NIGHT...S winds 5 to 10 kt, becoming W 20 to 25 kt after
midnight. Seas 2 to 4 ft. A chance of rain.
.MON...NW winds 25 to 30 kt. Seas 4 to 6 ft. A chance of rain.
.MON NIGHT...N winds 25 to 30 kt. Seas 4 to 6 ft.
.TUE...W winds 20 to 25 kt. Seas 2 to 4 ft.
.TUE NIGHT...SW winds 25 to 30 kt. Seas 5 to 7 ft. A chance of
rain.
Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.
$$
ANZ256-051900-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
103 AM EST Fri Dec 5 2025
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM EST EARLY THIS
MORNING...
.REST OF TONIGHT...N winds 20 to 25 kt. Seas 4 to 6 ft. Wave
Detail: NW 6 ft at 6 seconds and SE 2 ft at 10 seconds.
.FRI...NE winds 10 to 15 kt, becoming S around 5 kt in the
afternoon. Seas 2 to 4 ft. Wave Detail: NW 3 ft at 5 seconds and
E 2 ft at 10 seconds.
.FRI NIGHT...SE winds 5 to 10 kt. Seas around 2 ft. Wave Detail:
SE 2 ft at 10 seconds and SW 1 foot at 6 seconds.
.SAT...S winds 5 to 10 kt, becoming SW 10 to 15 kt in the
afternoon. Seas around 2 ft. Wave Detail: S 2 ft at 3 seconds and
SE 2 ft at 10 seconds. A chance of rain.
.SAT NIGHT...W winds 10 to 15 kt, becoming NW 15 to 20 kt after
midnight. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 4 seconds and
SE 2 ft at 9 seconds.
.SUN...N winds 10 to 15 kt, becoming NE 5 to 10 kt in the
afternoon. Seas 2 to 3 ft. Wave Detail: NW 2 ft at 4 seconds and
SE 2 ft at 9 seconds.
.SUN NIGHT...S winds 5 to 10 kt, becoming W 20 to 25 kt after
midnight. Seas 2 to 4 ft. A chance of rain.
.MON...NW winds 25 to 30 kt. Seas 4 to 6 ft. A chance of rain.
.MON NIGHT...N winds 25 to 30 kt. Seas 3 to 5 ft.
.TUE...W winds 20 to 25 kt. Seas 2 to 4 ft.
.TUE NIGHT...SW winds 25 to 30 kt. Seas 5 to 7 ft. A chance of
rain.
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.
$$
ANZ232-051900-
Nantucket Sound-
103 AM EST Fri Dec 5 2025
.REST OF TONIGHT...NW winds 20 to 25 kt. Seas 2 to 4 ft. Wave
Detail: NW 4 ft at 4 seconds and E 1 foot at 10 seconds.
.FRI...NW winds 5 to 10 kt, becoming SW in the afternoon. Seas
2 to 3 ft. Wave Detail: NW 2 ft at 4 seconds and NE 1 foot at
10 seconds.
.FRI NIGHT...S winds 5 to 10 kt, becoming SE after midnight. Seas
around 2 ft. Wave Detail: SW 1 foot at 2 seconds and E 1 foot at
9 seconds.
.SAT...SE winds 5 to 10 kt, becoming S in the afternoon. Seas
1 foot or less, then around 2 ft in the afternoon. Wave Detail:
SE 1 foot at 3 seconds and E 1 foot at 9 seconds, becoming S
1 foot at 3 seconds and SE 1 foot at 9 seconds. A chance of rain
in the afternoon.
.SAT NIGHT...W winds 10 to 15 kt, becoming NW after midnight.
Seas around 2 ft. Wave Detail: W 2 ft at 3 seconds and SE 1 foot
at 9 seconds.
.SUN...NW winds 10 to 15 kt, becoming N 5 to 10 kt in the
afternoon. Seas around 2 ft. Wave Detail: NW 1 foot at 3 seconds
and SE 1 foot at 7 seconds.
.SUN NIGHT...E winds 5 to 10 kt, becoming SW 15 to 20 kt after
midnight. Seas 2 to 3 ft. A chance of rain.
.MON...NW winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to
4 ft. A chance of rain.
.MON NIGHT AND TUE...NW winds 20 to 25 kt, becoming W 15 to
20 kt. Seas 2 to 4 ft.
.TUE NIGHT...SW winds 20 to 25 kt. Seas 2 to 4 ft. A chance of
rain.
Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.
$$
ANZ233-051900-
Vineyard Sound-
103 AM EST Fri Dec 5 2025
.REST OF TONIGHT...N winds 15 to 20 kt. Seas 2 to 4 ft. Wave
Detail: NW 3 ft at 6 seconds and E 1 foot at 9 seconds.
.FRI...N winds 5 to 10 kt, becoming S in the afternoon. Seas
around 2 ft in the morning, then 1 foot or less. Wave Detail: NW
2 ft at 5 seconds and NE 1 foot at 7 seconds, becoming SW 1 foot
at 5 seconds and E 1 foot at 9 seconds.
.FRI NIGHT...S winds 5 to 10 kt, becoming SE after midnight. Seas
1 foot or less. Wave Detail: SW 1 foot at 3 seconds and SE 1 foot
at 9 seconds.
.SAT...SE winds 5 to 10 kt, becoming SW in the afternoon. Seas
1 foot or less, then around 2 ft in the afternoon. Wave Detail: S
1 foot at 3 seconds and SE 1 foot at 9 seconds. A chance of rain.
.SAT NIGHT...W winds 10 to 15 kt. Seas around 2 ft. Wave Detail:
SW 2 ft at 4 seconds and SE 1 foot at 8 seconds.
.SUN...N winds around 10 kt, diminishing to around 5 kt in the
afternoon. Seas around 2 ft. Wave Detail: NW 1 foot at 4 seconds
and SE 1 foot at 7 seconds.
.SUN NIGHT...SE winds 5 to 10 kt, becoming W 15 to 20 kt after
midnight. Seas 2 to 3 ft. A chance of rain.
.MON...NW winds 20 to 25 kt with gusts up to 30 kt. Seas around
3 ft. A chance of rain.
.MON NIGHT AND TUE...NW winds 20 to 25 kt, becoming W 15 to
20 kt. Seas 2 to 4 ft.
.TUE NIGHT...SW winds 20 to 25 kt. Seas 3 to 5 ft. A chance of
rain.
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.
$$
ANZ234-051900-
Buzzards Bay-
103 AM EST Fri Dec 5 2025
.REST OF TONIGHT...N winds 15 to 20 kt. Seas 2 to 3 ft. Wave
Detail: NW 3 ft at 5 seconds and E 1 foot at 9 seconds.
.FRI...N winds 5 to 10 kt, becoming S in the afternoon. Seas
around 2 ft in the morning, then 1 foot or less. Wave Detail: NW
2 ft at 5 seconds and NE 1 foot at 6 seconds, becoming SW 1 foot
at 5 seconds and E 1 foot at 9 seconds.
.FRI NIGHT...SE winds around 5 kt. Seas 1 foot or less. Wave
Detail: SW 1 foot at 3 seconds and E 1 foot at 9 seconds.
.SAT...SE winds 5 to 10 kt, becoming SW in the afternoon. Seas
1 foot or less, then around 2 ft in the afternoon. Wave Detail:
SE 1 foot at 3 seconds and SE 1 foot at 9 seconds, becoming SW
1 foot at 3 seconds and SE 1 foot at 9 seconds. A chance of rain.
.SAT NIGHT...W winds around 10 kt. Seas around 2 ft. Wave Detail:
SW 1 foot at 3 seconds and SE 1 foot at 9 seconds.
.SUN...N winds 5 to 10 kt. Seas around 2 ft in the morning, then
1 foot or less. Wave Detail: NW 1 foot at 4 seconds and SE 1 foot
at 8 seconds, becoming NW 1 foot at 3 seconds and SE 1 foot at
7 seconds.
.SUN NIGHT...E winds 5 to 10 kt, becoming W 15 to 20 kt after
midnight. Seas 1 foot or less, then 2 to 3 ft after midnight. A
chance of rain.
.MON...NW winds 20 to 25 kt with gusts up to 30 kt. Seas around
3 ft. A chance of rain.
.MON NIGHT AND TUE...NW winds 15 to 20 kt, becoming W. Gusts up
to 25 kt. Seas 2 to 4 ft.
.TUE NIGHT...SW winds 20 to 25 kt. Seas 2 to 4 ft. A chance of
rain.
Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.
$$
ANZ235-051900-
Rhode Island Sound-
103 AM EST Fri Dec 5 2025
.REST OF TONIGHT...N winds 15 to 20 kt. Seas 3 to 5 ft. Wave
Detail: NW 4 ft at 5 seconds and SE 2 ft at 10 seconds.
.FRI...NE winds 5 to 10 kt, becoming S in the afternoon. Seas
2 to 3 ft. Wave Detail: W 2 ft at 5 seconds and NE 2 ft at
9 seconds.
.FRI NIGHT...SE winds 5 to 10 kt. Seas around 2 ft. Wave Detail:
SW 1 foot at 3 seconds and SE 1 foot at 10 seconds.
.SAT...S winds 5 to 10 kt, becoming SW 10 to 15 kt in the
afternoon. Seas around 2 ft. Wave Detail: S 2 ft at 3 seconds and
SE 1 foot at 10 seconds. A chance of rain.
.SAT NIGHT...W winds 10 to 15 kt. Seas around 2 ft. Wave Detail:
SW 2 ft at 4 seconds and SE 2 ft at 9 seconds.
.SUN...N winds 10 to 15 kt, becoming NE around 5 kt in the
afternoon. Seas around 2 ft. Wave Detail: NW 2 ft at 4 seconds
and SE 2 ft at 8 seconds.
.SUN NIGHT...S winds 5 to 10 kt, becoming W 15 to 20 kt after
midnight. Seas 2 to 3 ft. A chance of rain.
.MON...NW winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to
4 ft. A chance of rain.
.MON NIGHT AND TUE...NW winds 20 to 25 kt, becoming W. Seas 2 to
4 ft.
.TUE NIGHT...SW winds 20 to 25 kt with gusts up to 30 kt. Seas
3 to 5 ft. A chance of rain.
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.
$$
ANZ237-051900-
Block Island Sound-
103 AM EST Fri Dec 5 2025
.REST OF TONIGHT...N winds 10 to 15 kt with gusts up to 20 kt.
Seas 2 to 4 ft. Wave Detail: NW 3 ft at 4 seconds and E 2 ft at
10 seconds.
.FRI...NE winds 5 to 10 kt, becoming S in the afternoon. Seas
around 2 ft. Wave Detail: NE 2 ft at 8 seconds and W 1 foot at
5 seconds.
.FRI NIGHT...SE winds around 5 kt. Seas around 2 ft. Wave Detail:
S 1 foot at 4 seconds and SE 1 foot at 10 seconds.
.SAT...S winds 5 to 10 kt, becoming SW in the afternoon. Seas
around 2 ft. Wave Detail: SW 2 ft at 3 seconds and SE 1 foot at
10 seconds. A chance of rain.
.SAT NIGHT...NW winds 10 to 15 kt. Seas around 2 ft. Wave Detail:
W 2 ft at 3 seconds and SE 2 ft at 9 seconds.
.SUN...N winds 5 to 10 kt, becoming NE in the afternoon. Seas
around 2 ft. Wave Detail: NW 2 ft at 3 seconds and SE 2 ft at
9 seconds.
.SUN NIGHT...SW winds 5 to 10 kt, becoming W 15 to 20 kt after
midnight. Seas 2 to 3 ft. A chance of rain.
.MON...NW winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to
4 ft. A chance of rain.
.MON NIGHT AND TUE...NW winds 15 to 20 kt, becoming W. Gusts up
to 25 kt. Seas 2 to 4 ft.
.TUE NIGHT...SW winds 20 to 25 kt. Seas 3 to 5 ft. A chance of
rain.
Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.
$$
ANZ230-051900-
Boston Harbor-
103 AM EST Fri Dec 5 2025
.REST OF TONIGHT...NW winds 15 to 20 kt. Waves around 2 ft.
.FRI...W winds 5 to 10 kt, becoming SW in the afternoon. Waves
1 foot or less.
.FRI NIGHT...SW winds 5 to 10 kt. Waves 1 foot or less.
.SAT...SW winds 5 to 10 kt. Waves 1 foot or less. A chance of
rain. A chance of snow in the morning.
.SAT NIGHT...W winds 10 to 15 kt. Waves 1 foot or less, then
around 2 ft after midnight.
.SUN...NW winds 5 to 10 kt. Waves 1 foot or less.
.SUN NIGHT...NE winds 5 to 10 kt, becoming NW 10 to 15 kt with
gusts up to 20 kt after midnight. Waves 1 foot or less, then
around 2 ft after midnight. A chance of snow. A chance of rain
after midnight.
.MON...NW winds 20 to 25 kt. Waves around 2 ft. A chance of snow.
.MON NIGHT AND TUE...NW winds 15 to 20 kt, becoming SW 10 to
15 kt. Waves around 2 ft.
.TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Waves
around 2 ft. A chance of rain and 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.
$$
ANZ236-051900-
Narragansett Bay-
103 AM EST Fri Dec 5 2025
.REST OF TONIGHT...N winds 10 to 15 kt with gusts up to 20 kt.
Waves around 2 ft.
.FRI...N winds 5 to 10 kt, becoming S in the afternoon. Waves
around 2 ft in the morning, then 1 foot or less.
.FRI NIGHT...S winds around 5 kt, becoming NE after midnight.
Waves 1 foot or less.
.SAT...SE winds 5 to 10 kt, becoming SW in the afternoon. Waves
1 foot or less, then around 2 ft in the afternoon. A chance of
rain.
.SAT NIGHT...W winds 5 to 10 kt. Waves around 2 ft.
.SUN...N winds 5 to 10 kt, becoming NE in the afternoon. Waves
around 2 ft.
.SUN NIGHT...NE winds 5 to 10 kt, becoming NW 10 to 15 kt with
gusts up to 20 kt after midnight. Waves around 2 ft. A chance of
rain and snow.
.MON...NW winds 15 to 20 kt with gusts up to 25 kt. Waves 2 to
3 ft. A chance of snow.
.MON NIGHT AND TUE...NW winds 15 to 20 kt, becoming W. Waves 2 to
3 ft.
.TUE NIGHT...SW winds 15 to 20 kt. Waves 2 to 3 ft. A chance of
rain and snow.
Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.
$$
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