FZUS51 KBOX 220607
CWFBOX
Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
107 AM EST Mon Dec 22 2025
Coastal waters from the Merrimack River MA to Watch Hill RI out
to 25 NM
ANZ200-221900-
107 AM EST Mon Dec 22 2025
.Synopsis for Massachusetts and Rhode Island coastal waters...
Behind the cold front near gale force winds continue into tonight.
High pres builds S of the waters Mon into Mon night, then a warm
front moves into the southern waters Tue. Low pres develops on the
front east of New Eng Tue night and moves offshore, then high pres
builds in from the west Wed and moves into the waters Wed night into
Thu. High pressure may return by Friday.
$$
ANZ250-221900-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
107 AM EST Mon Dec 22 2025
...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...
.REST OF TONIGHT...NW winds around 25 kt with gusts up to 30 kt.
Seas 5 to 7 ft. Wave Detail: W 7 ft at 7 seconds and SE 2 ft at
10 seconds.
.MON...NW winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. Gusts up to 30 kt. Seas 5 to 7 ft. Wave Detail: NW
7 ft at 5 seconds and SE 2 ft at 10 seconds.
.MON NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 4 ft. Wave Detail: NW 4 ft at 5 seconds and E 1 foot at
10 seconds.
.TUE...W winds 5 to 10 kt, becoming S with gusts up to 20 kt in
the afternoon. Seas 2 to 3 ft. Wave Detail: NW 2 ft at 5 seconds
and E 1 foot at 10 seconds. Snow likely. A chance of rain in the
morning, then rain in the afternoon. Vsby 1 to 3 NM.
.TUE NIGHT...S winds 10 to 15 kt with gusts up to 20 kt, becoming
W 20 to 25 kt with gusts up to 30 kt after midnight. Seas 2 to
4 ft. Wave Detail: SW 4 ft at 4 seconds and E 2 ft at 4 seconds.
Rain.
.WED...NW winds 25 to 30 kt, becoming N 20 to 25 kt in the
afternoon. Gusts up to 40 kt. Seas 5 to 7 ft. Wave Detail: W 7 ft
at 6 seconds and NE 2 ft at 6 seconds. A chance of snow showers.
A chance of rain in the morning.
.WED NIGHT...N winds 15 to 20 kt with gusts up to 30 kt, becoming
NW around 10 kt after midnight. Seas 4 to 6 ft, subsiding to 2 to
4 ft after midnight.
.THU...SW winds 10 to 15 kt with gusts up to 25 kt. Seas around
3 ft.
.THU NIGHT AND FRI...SW winds around 15 kt with gusts up to
25 kt. Seas 3 to 4 ft. A chance of rain.
.FRI NIGHT...N winds 15 to 20 kt with gusts up to 25 kt. Seas
5 to 7 ft. A chance of rain and snow.
Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.
$$
ANZ251-221900-
Massachusetts Bay and Ipswich Bay-
107 AM EST Mon Dec 22 2025
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM EST THIS AFTERNOON...
.REST OF TONIGHT...NW winds 20 to 25 kt with gusts up to 30 kt.
Seas 3 to 4 ft. Wave Detail: NW 4 ft at 5 seconds and SW 2 ft at
7 seconds.
.MON...NW winds 20 to 25 kt with gusts up to 30 kt, diminishing
to 15 to 20 kt in the afternoon. Seas 2 to 4 ft. Wave Detail: N
4 ft at 6 seconds and E 2 ft at 10 seconds.
.MON NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: N
2 ft at 6 seconds and E 1 foot at 10 seconds.
.TUE...SW winds 5 to 10 kt, becoming SE in the afternoon. Seas
around 2 ft. Wave Detail: S 2 ft at 3 seconds and N 1 foot at
5 seconds. Snow. Rain in the afternoon. Vsby 1 to 3 NM.
.TUE NIGHT...S winds 10 to 15 kt, becoming W 20 to 25 kt after
midnight. Seas 2 to 3 ft. Wave Detail: W 3 ft at 3 seconds and NE
1 foot at 4 seconds. Rain likely, mainly in the evening.
.WED...NW winds 20 to 25 kt with gusts up to 35 kt. Seas 3 to
5 ft. Wave Detail: N 4 ft at 6 seconds and SW 1 foot at
6 seconds. A chance of snow showers in the morning.
.WED NIGHT...NW winds 15 to 20 kt with gusts up to 25 kt,
diminishing to 5 to 10 kt after midnight. Seas 2 to 4 ft.
.THU...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft.
.THU NIGHT AND FRI...SW winds 10 to 15 kt with gusts up to 25 kt.
Seas 2 to 3 ft. A chance of rain, snow and sleet.
.FRI NIGHT...N winds 15 to 20 kt with gusts up to 25 kt. Seas
3 to 5 ft. A chance of snow and 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.
$$
ANZ231-221900-
Cape Cod Bay-
107 AM EST Mon Dec 22 2025
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM EST THIS AFTERNOON...
.REST OF TONIGHT...NW winds 20 to 25 kt with gusts up to 30 kt.
Seas 3 to 4 ft. Wave Detail: NW 4 ft at 5 seconds and SW 2 ft at
7 seconds.
.MON...NW winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. Gusts up to 30 kt. Seas 2 to 4 ft. Wave Detail: N 4 ft
at 6 seconds and SW 2 ft at 7 seconds.
.MON NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: N
3 ft at 6 seconds and SW 1 foot at 7 seconds.
.TUE...W winds 5 to 10 kt, becoming S in the afternoon. Seas
around 2 ft. Wave Detail: NW 2 ft at 5 seconds and SW 1 foot at
6 seconds. Snow. A chance of rain in the morning, then rain in
the afternoon. Vsby 1 to 3 NM.
.TUE NIGHT...S winds 10 to 15 kt, becoming W 20 to 25 kt after
midnight. Seas 2 to 3 ft. Wave Detail: W 3 ft at 5 seconds and NE
1 foot at 5 seconds. Rain, mainly in the evening.
.WED...NW winds 25 to 30 kt, becoming N 20 to 25 kt in the
afternoon. Gusts up to 40 kt. Seas 3 to 5 ft. Wave Detail: N 5 ft
at 6 seconds and SW 2 ft at 7 seconds. A chance of snow showers
and rain in the morning.
.WED NIGHT...N winds 15 to 20 kt with gusts up to 30 kt, becoming
NW 5 to 10 kt after midnight. Seas 3 to 5 ft, subsiding to 2 to
3 ft after midnight.
.THU...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft.
.THU NIGHT AND FRI...SW winds 10 to 15 kt with gusts up to 25 kt.
Seas 2 to 4 ft. A chance of rain.
.FRI NIGHT...N winds 15 to 20 kt with gusts up to 25 kt. Seas
3 to 5 ft. A chance of rain and snow.
Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.
$$
ANZ254-221900-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
107 AM EST Mon Dec 22 2025
...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...
.REST OF TONIGHT...NW winds 20 to 25 kt with gusts up to 30 kt.
Seas 5 to 7 ft. Wave Detail: NW 6 ft at 6 seconds and SW 2 ft at
8 seconds.
.MON...NW winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. Gusts up to 30 kt. Seas 5 to 7 ft. Wave Detail: NW
7 ft at 6 seconds and SW 2 ft at 7 seconds.
.MON NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 5 ft. Wave Detail: N 5 ft at 7 seconds and W 2 ft at
4 seconds.
.TUE...W winds 5 to 10 kt, becoming S with gusts up to 20 kt in
the afternoon. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 3 seconds
and N 2 ft at 7 seconds. Snow likely with a chance of rain in the
morning, then rain in the afternoon. Vsby 1 to 3 NM in the
morning.
.TUE NIGHT...S winds 10 to 15 kt with gusts up to 20 kt, becoming
W 20 to 25 kt with gusts up to 30 kt after midnight. Seas 2 to
4 ft, building to 4 to 6 ft after midnight. Wave Detail: S 3 ft
at 4 seconds and SW 2 ft at 6 seconds, becoming W 4 ft at
6 seconds and NE 1 foot at 5 seconds. Rain, mainly in the
evening.
.WED...NW winds 25 to 30 kt with gusts up to 40 kt. Seas 5 to
8 ft. Wave Detail: W 7 ft at 7 seconds and NE 3 ft at 6 seconds.
A chance of snow showers. A chance of rain in the morning, then a
chance of showers in the afternoon.
.WED NIGHT...N winds 15 to 20 kt with gusts up to 30 kt, becoming
NW around 10 kt after midnight. Seas 5 to 7 ft.
.THU...W winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to
4 ft.
.THU NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 4 ft. A chance of rain.
.FRI...W winds around 15 kt with gusts up to 25 kt. Seas 4 to
6 ft. A chance of rain.
.FRI NIGHT...N winds 15 to 20 kt with gusts up to 25 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.
$$
ANZ255-221900-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
107 AM EST Mon Dec 22 2025
...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...
.REST OF TONIGHT...NW winds around 25 kt with gusts up to 30 kt.
Seas 5 to 8 ft. Wave Detail: W 8 ft at 6 seconds and SE 2 ft at
10 seconds.
.MON...NW winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. Gusts up to 30 kt. Seas 5 to 7 ft. Wave Detail: NW
6 ft at 6 seconds and W 6 ft at 7 seconds.
.MON NIGHT...W winds 15 to 20 kt. Seas 3 to 5 ft. Wave Detail: W
4 ft at 6 seconds and N 1 foot at 6 seconds.
.TUE...W winds 10 to 15 kt, becoming S 5 to 10 kt with gusts up
to 20 kt in the afternoon. Seas 2 to 4 ft. Wave Detail: W 4 ft at
6 seconds and NE 1 foot at 6 seconds. Rain.
.TUE NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt,
becoming W 25 to 30 kt with gusts up to 35 kt after midnight.
Seas 4 to 6 ft, building to 5 to 8 ft after midnight. Wave
Detail: SW 5 ft at 6 seconds and N 1 foot at 6 seconds, becoming
W 7 ft at 6 seconds and SE 1 foot at 10 seconds. Rain, mainly in
the evening.
.WED...NW winds 30 to 35 kt, diminishing to 25 to 30 kt in the
afternoon. Seas 6 to 9 ft, subsiding to 5 to 7 ft in the
afternoon. Wave Detail: W 8 ft at 6 seconds and SE 1 foot at
10 seconds, becoming W 7 ft at 7 seconds and N 6 ft at 5 seconds.
A chance of showers in the morning.
.WED NIGHT...N winds 20 to 25 kt with gusts up to 30 kt, becoming
NW around 10 kt after midnight. Seas 4 to 6 ft.
.THU...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to
5 ft.
.THU NIGHT...SW winds around 15 kt with gusts up to 20 kt. Seas
3 to 5 ft. A chance of rain.
.FRI...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to
6 ft. A chance of rain.
.FRI NIGHT...N winds 20 to 25 kt with gusts up 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.
$$
ANZ256-221900-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
107 AM EST Mon Dec 22 2025
...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...
.REST OF TONIGHT...NW winds around 25 kt with gusts up to 30 kt.
Seas 5 to 7 ft. Wave Detail: W 6 ft at 6 seconds and SE 2 ft at
10 seconds.
.MON...NW winds 20 to 25 kt with gusts up to 30 kt, diminishing
to 15 to 20 kt in the afternoon. Seas 5 to 7 ft, subsiding to
3 to 5 ft in the afternoon. Wave Detail: W 5 ft at 6 seconds and
SE 2 ft at 10 seconds, becoming NW 4 ft at 5 seconds and SW 2 ft
at 6 seconds.
.MON NIGHT...W winds 15 to 20 kt. Seas 2 to 4 ft. Wave Detail: NW
3 ft at 5 seconds and SE 1 foot at 9 seconds.
.TUE...W winds 10 to 15 kt, becoming S in the afternoon. Gusts up
to 20 kt. Seas 2 to 4 ft. Wave Detail: W 4 ft at 5 seconds and SE
1 foot at 10 seconds. Rain.
.TUE NIGHT...SW winds 20 to 25 kt, becoming W 25 to 30 kt with
gusts up to 35 kt after midnight. Seas 5 to 7 ft. Wave Detail: SW
5 ft at 6 seconds and SE 1 foot at 10 seconds. Rain likely,
mainly in the evening.
.WED...NW winds 25 to 30 kt with gusts up to 40 kt. Seas 5 to
8 ft. Wave Detail: NW 6 ft at 5 seconds and SW 4 ft at 7 seconds.
.WED NIGHT...N winds 15 to 20 kt with gusts up to 30 kt, becoming
NW 5 to 10 kt after midnight. Seas 3 to 5 ft, subsiding to 2 to
3 ft after midnight.
.THU...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to
4 ft.
.THU NIGHT...SW winds 15 to 20 kt. Seas 3 to 5 ft. A chance of
rain.
.FRI AND FRI NIGHT...SW winds 15 to 20 kt, becoming N 20 to
25 kt. Gusts up 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.
$$
ANZ232-221900-
Nantucket Sound-
107 AM EST Mon Dec 22 2025
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM EST THIS AFTERNOON...
.REST OF TONIGHT...NW winds 20 to 25 kt with gusts up to 30 kt.
Seas 3 to 4 ft. Wave Detail: NW 4 ft at 5 seconds and SW 2 ft at
7 seconds.
.MON...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to
4 ft. Wave Detail: N 4 ft at 5 seconds and SW 2 ft at 7 seconds.
.MON NIGHT...W winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: W
2 ft at 3 seconds and N 2 ft at 6 seconds.
.TUE...W winds 5 to 10 kt, becoming S with gusts up to 20 kt in
the afternoon. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 4 seconds
and SW 1 foot at 6 seconds. Rain. Snow likely in the morning with
vsby 1 to 3 NM.
.TUE NIGHT...S winds 10 to 15 kt, becoming W 20 to 25 kt after
midnight. Seas 2 to 4 ft. Wave Detail: SW 3 ft at 4 seconds and
SW 3 ft at 6 seconds. Rain, mainly in the evening.
.WED...NW winds 25 to 30 kt, becoming N 20 to 25 kt in the
afternoon. Seas 3 to 5 ft. Wave Detail: N 4 ft at 5 seconds and
SW 2 ft at 7 seconds. A chance of rain and snow showers in the
morning.
.WED NIGHT...N winds 15 to 20 kt with gusts up to 30 kt, becoming
NW 5 to 10 kt after midnight. Seas 2 to 4 ft.
.THU...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft.
.THU NIGHT THROUGH FRI NIGHT...N winds 15 to 20 kt with gusts up
to 25 kt. Seas 2 to 4 ft. A chance of rain.
Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.
$$
ANZ233-221900-
Vineyard Sound-
107 AM EST Mon Dec 22 2025
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM EST THIS AFTERNOON...
.REST OF TONIGHT...NW winds 20 to 25 kt with gusts up to 30 kt.
Seas 3 to 4 ft. Wave Detail: W 4 ft at 7 seconds and NW 3 ft at
5 seconds.
.MON...NW winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. Gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: NW
4 ft at 6 seconds and SW 3 ft at 7 seconds.
.MON NIGHT...W winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: NW
2 ft at 5 seconds and SW 1 foot at 7 seconds.
.TUE...W winds 5 to 10 kt, becoming S with gusts up to 20 kt in
the afternoon. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 5 seconds
and N 1 foot at 6 seconds. Rain.
.TUE NIGHT...SW winds 15 to 20 kt, becoming W 20 to 25 kt after
midnight. Seas 2 to 4 ft. Wave Detail: SW 3 ft at 6 seconds and
SE 1 foot at 10 seconds. Rain likely, mainly in the evening.
.WED AND WED NIGHT...NW winds 25 to 30 kt with gusts up to 35 kt.
Seas 2 to 4 ft. Wave Detail: W 4 ft at 6 seconds and NE 2 ft at
5 seconds.
.THU...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft.
.THU NIGHT THROUGH FRI NIGHT...N 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.
$$
ANZ234-221900-
Buzzards Bay-
107 AM EST Mon Dec 22 2025
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM EST THIS AFTERNOON...
.REST OF TONIGHT...NW winds 15 to 20 kt with gusts up to 25 kt.
Seas around 3 ft. Wave Detail: N 3 ft at 5 seconds and SW 3 ft at
7 seconds.
.MON...NW winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. Gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: N 3 ft
at 5 seconds and SW 2 ft at 7 seconds.
.MON NIGHT...W winds 10 to 15 kt. Seas around 2 ft. Wave Detail:
NW 2 ft at 5 seconds and SE 1 foot at 10 seconds.
.TUE...W winds 5 to 10 kt, becoming S with gusts up to 20 kt in
the afternoon. Seas around 2 ft. Wave Detail: SW 2 ft at
5 seconds and SW 1 foot at 6 seconds. Rain.
.TUE NIGHT...SW winds 10 to 15 kt, becoming W 20 to 25 kt after
midnight. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 6 seconds and
NE 1 foot at 5 seconds. Rain likely, mainly in the evening.
.WED AND WED NIGHT...NW winds 20 to 25 kt with gusts up to 30 kt.
Seas 2 to 3 ft. Wave Detail: N 3 ft at 5 seconds and SW 3 ft at
7 seconds.
.THU...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft.
.THU NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
around 2 ft. A chance of rain.
.FRI...SW winds around 15 kt with gusts up to 25 kt. Seas 2 to
4 ft. A chance of rain.
.FRI NIGHT...N winds 15 to 20 kt with gusts up to 25 kt. Seas
2 to 4 ft. A chance of rain and snow.
Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.
$$
ANZ235-221900-
Rhode Island Sound-
107 AM EST Mon Dec 22 2025
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM EST THIS AFTERNOON...
.REST OF TONIGHT...NW winds 20 to 25 kt with gusts up to 30 kt.
Seas 3 to 5 ft. Wave Detail: W 4 ft at 6 seconds and SE 2 ft at
10 seconds.
.MON...NW winds 20 to 25 kt with gusts up to 30 kt, diminishing
to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to
4 ft. Wave Detail: NW 4 ft at 5 seconds and SW 3 ft at 7 seconds.
.MON NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 3 ft. Wave Detail: NW 3 ft at 5 seconds and SE 1 foot at
9 seconds.
.TUE...W winds around 10 kt, becoming S with gusts up to 20 kt in
the afternoon. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 6 seconds
and SE 1 foot at 10 seconds. Rain.
.TUE NIGHT...SW winds 15 to 20 kt, becoming W 20 to 25 kt with
gusts up to 30 kt after midnight. Seas 3 to 5 ft. Wave Detail: SW
4 ft at 6 seconds and SE 1 foot at 10 seconds. Rain likely,
mainly in the evening.
.WED...NW winds 25 to 30 kt, diminishing to 20 to 25 kt in the
afternoon. Seas 3 to 5 ft. Wave Detail: W 4 ft at 6 seconds and N
1 foot at 5 seconds.
.WED NIGHT...N winds 10 to 15 kt with gusts up to 25 kt, becoming
NW 5 to 10 kt after midnight. Seas 2 to 3 ft.
.THU...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft.
.THU NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 3 ft. A chance of rain.
.FRI AND FRI NIGHT...SW winds around 15 kt, becoming N. 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.
$$
ANZ237-221900-
Block Island Sound-
107 AM EST Mon Dec 22 2025
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM EST THIS AFTERNOON...
.REST OF TONIGHT...NW winds around 20 kt with gusts up to 30 kt.
Seas 3 to 5 ft. Wave Detail: SW 3 ft at 6 seconds and SE 2 ft at
10 seconds.
.MON...NW winds 15 to 20 kt with gusts up to 30 kt, becoming W
10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to
4 ft. Wave Detail: W 3 ft at 6 seconds and SE 2 ft at 10 seconds.
.MON NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 3 ft. Wave Detail: NW 2 ft at 4 seconds and SW 1 foot at
7 seconds.
.TUE...SW winds around 10 kt, becoming S in the afternoon. Gusts
up to 20 kt. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 5 seconds
and SE 1 foot at 9 seconds. Rain.
.TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt,
becoming W 15 to 20 kt with gusts up to 30 kt after midnight.
Seas 2 to 4 ft. Wave Detail: W 3 ft at 5 seconds and SE 1 foot at
10 seconds. Rain likely in the evening.
.WED AND WED NIGHT...NW winds 20 to 25 kt with gusts up to 35 kt.
Seas 2 to 4 ft. Wave Detail: NW 3 ft at 5 seconds and SW 2 ft at
6 seconds.
.THU...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft.
.THU NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 3 ft. A chance of rain.
.FRI AND FRI NIGHT...SW winds 10 to 15 kt, becoming N 15 to
20 kt. Gusts up to 25 kt. Seas 3 to 5 ft. A chance of rain.
Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.
$$
ANZ230-221900-
Boston Harbor-
107 AM EST Mon Dec 22 2025
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM EST THIS AFTERNOON...
.REST OF TONIGHT...NW winds 15 to 20 kt with gusts up to 25 kt.
Waves around 2 ft.
.MON...NW winds 15 to 20 kt with gusts up to 30 kt, diminishing
to 10 to 15 kt with gusts up to 20 kt in the afternoon. Waves
around 2 ft.
.MON NIGHT...W winds 5 to 10 kt. Waves 1 foot or less, then
around 2 ft after midnight.
.TUE...SW winds 5 to 10 kt, becoming SE in the afternoon. Waves
1 foot or less, then around 2 ft in the afternoon. Snow. Rain in
the afternoon. Vsby 1 to 3 NM.
.TUE NIGHT...S winds 10 to 15 kt, becoming W 15 to 20 kt with
gusts up to 25 kt after midnight. Waves around 2 ft. Rain likely,
mainly in the evening.
.WED...NW winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. Gusts up to 30 kt. Waves around 2 ft. A chance of snow
showers in the morning.
.WED NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt,
becoming W 5 to 10 kt after midnight. Waves around 2 ft in the
evening, then 1 foot or less.
.THU...SW winds 5 to 10 kt with gusts up to 20 kt. Waves around
2 ft.
.THU NIGHT AND FRI...SW winds 10 to 15 kt with gusts up to 20 kt.
Waves around 2 ft. A chance of rain, snow and sleet.
.FRI NIGHT...N winds 15 to 20 kt with gusts up to 25 kt. Waves
around 2 ft. A chance of snow and 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.
$$
ANZ236-221900-
Narragansett Bay-
107 AM EST Mon Dec 22 2025
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 AM EST THIS MORNING...
.REST OF TONIGHT...NW winds 15 to 20 kt with gusts up to 25 kt.
Waves around 3 ft.
.MON...NW winds 10 to 15 kt. Gusts up to 25 kt in the morning.
Waves 2 to 3 ft.
.MON NIGHT...W winds 5 to 10 kt. Waves around 2 ft.
.TUE...SW winds around 5 kt, becoming S in the afternoon. Waves
around 2 ft. Rain. Snow likely in the morning with vsby 1 to
3 NM.
.TUE NIGHT...SW winds 10 to 15 kt, becoming W 15 to 20 kt with
gusts up to 25 kt after midnight. Waves 2 to 3 ft. Rain likely,
mainly in the evening.
.WED AND WED NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt.
Waves 2 to 3 ft.
.THU...SW winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to
3 ft.
.THU NIGHT AND FRI...SW winds 10 to 15 kt with gusts up to 20 kt.
Waves 2 to 3 ft. A chance of rain.
.FRI NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Waves
2 to 3 ft. A chance of rain and snow.
Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.
$$
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CWFBOX
Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
107 AM EST Mon Dec 22 2025
Coastal waters from the Merrimack River MA to Watch Hill RI out
to 25 NM
ANZ200-221900-
107 AM EST Mon Dec 22 2025
.Synopsis for Massachusetts and Rhode Island coastal waters...
Behind the cold front near gale force winds continue into tonight.
High pres builds S of the waters Mon into Mon night, then a warm
front moves into the southern waters Tue. Low pres develops on the
front east of New Eng Tue night and moves offshore, then high pres
builds in from the west Wed and moves into the waters Wed night into
Thu. High pressure may return by Friday.
$$
ANZ250-221900-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
107 AM EST Mon Dec 22 2025
...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...
.REST OF TONIGHT...NW winds around 25 kt with gusts up to 30 kt.
Seas 5 to 7 ft. Wave Detail: W 7 ft at 7 seconds and SE 2 ft at
10 seconds.
.MON...NW winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. Gusts up to 30 kt. Seas 5 to 7 ft. Wave Detail: NW
7 ft at 5 seconds and SE 2 ft at 10 seconds.
.MON NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 4 ft. Wave Detail: NW 4 ft at 5 seconds and E 1 foot at
10 seconds.
.TUE...W winds 5 to 10 kt, becoming S with gusts up to 20 kt in
the afternoon. Seas 2 to 3 ft. Wave Detail: NW 2 ft at 5 seconds
and E 1 foot at 10 seconds. Snow likely. A chance of rain in the
morning, then rain in the afternoon. Vsby 1 to 3 NM.
.TUE NIGHT...S winds 10 to 15 kt with gusts up to 20 kt, becoming
W 20 to 25 kt with gusts up to 30 kt after midnight. Seas 2 to
4 ft. Wave Detail: SW 4 ft at 4 seconds and E 2 ft at 4 seconds.
Rain.
.WED...NW winds 25 to 30 kt, becoming N 20 to 25 kt in the
afternoon. Gusts up to 40 kt. Seas 5 to 7 ft. Wave Detail: W 7 ft
at 6 seconds and NE 2 ft at 6 seconds. A chance of snow showers.
A chance of rain in the morning.
.WED NIGHT...N winds 15 to 20 kt with gusts up to 30 kt, becoming
NW around 10 kt after midnight. Seas 4 to 6 ft, subsiding to 2 to
4 ft after midnight.
.THU...SW winds 10 to 15 kt with gusts up to 25 kt. Seas around
3 ft.
.THU NIGHT AND FRI...SW winds around 15 kt with gusts up to
25 kt. Seas 3 to 4 ft. A chance of rain.
.FRI NIGHT...N winds 15 to 20 kt with gusts up to 25 kt. Seas
5 to 7 ft. A chance of rain and snow.
Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.
$$
ANZ251-221900-
Massachusetts Bay and Ipswich Bay-
107 AM EST Mon Dec 22 2025
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM EST THIS AFTERNOON...
.REST OF TONIGHT...NW winds 20 to 25 kt with gusts up to 30 kt.
Seas 3 to 4 ft. Wave Detail: NW 4 ft at 5 seconds and SW 2 ft at
7 seconds.
.MON...NW winds 20 to 25 kt with gusts up to 30 kt, diminishing
to 15 to 20 kt in the afternoon. Seas 2 to 4 ft. Wave Detail: N
4 ft at 6 seconds and E 2 ft at 10 seconds.
.MON NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: N
2 ft at 6 seconds and E 1 foot at 10 seconds.
.TUE...SW winds 5 to 10 kt, becoming SE in the afternoon. Seas
around 2 ft. Wave Detail: S 2 ft at 3 seconds and N 1 foot at
5 seconds. Snow. Rain in the afternoon. Vsby 1 to 3 NM.
.TUE NIGHT...S winds 10 to 15 kt, becoming W 20 to 25 kt after
midnight. Seas 2 to 3 ft. Wave Detail: W 3 ft at 3 seconds and NE
1 foot at 4 seconds. Rain likely, mainly in the evening.
.WED...NW winds 20 to 25 kt with gusts up to 35 kt. Seas 3 to
5 ft. Wave Detail: N 4 ft at 6 seconds and SW 1 foot at
6 seconds. A chance of snow showers in the morning.
.WED NIGHT...NW winds 15 to 20 kt with gusts up to 25 kt,
diminishing to 5 to 10 kt after midnight. Seas 2 to 4 ft.
.THU...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft.
.THU NIGHT AND FRI...SW winds 10 to 15 kt with gusts up to 25 kt.
Seas 2 to 3 ft. A chance of rain, snow and sleet.
.FRI NIGHT...N winds 15 to 20 kt with gusts up to 25 kt. Seas
3 to 5 ft. A chance of snow and 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.
$$
ANZ231-221900-
Cape Cod Bay-
107 AM EST Mon Dec 22 2025
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM EST THIS AFTERNOON...
.REST OF TONIGHT...NW winds 20 to 25 kt with gusts up to 30 kt.
Seas 3 to 4 ft. Wave Detail: NW 4 ft at 5 seconds and SW 2 ft at
7 seconds.
.MON...NW winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. Gusts up to 30 kt. Seas 2 to 4 ft. Wave Detail: N 4 ft
at 6 seconds and SW 2 ft at 7 seconds.
.MON NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: N
3 ft at 6 seconds and SW 1 foot at 7 seconds.
.TUE...W winds 5 to 10 kt, becoming S in the afternoon. Seas
around 2 ft. Wave Detail: NW 2 ft at 5 seconds and SW 1 foot at
6 seconds. Snow. A chance of rain in the morning, then rain in
the afternoon. Vsby 1 to 3 NM.
.TUE NIGHT...S winds 10 to 15 kt, becoming W 20 to 25 kt after
midnight. Seas 2 to 3 ft. Wave Detail: W 3 ft at 5 seconds and NE
1 foot at 5 seconds. Rain, mainly in the evening.
.WED...NW winds 25 to 30 kt, becoming N 20 to 25 kt in the
afternoon. Gusts up to 40 kt. Seas 3 to 5 ft. Wave Detail: N 5 ft
at 6 seconds and SW 2 ft at 7 seconds. A chance of snow showers
and rain in the morning.
.WED NIGHT...N winds 15 to 20 kt with gusts up to 30 kt, becoming
NW 5 to 10 kt after midnight. Seas 3 to 5 ft, subsiding to 2 to
3 ft after midnight.
.THU...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft.
.THU NIGHT AND FRI...SW winds 10 to 15 kt with gusts up to 25 kt.
Seas 2 to 4 ft. A chance of rain.
.FRI NIGHT...N winds 15 to 20 kt with gusts up to 25 kt. Seas
3 to 5 ft. A chance of rain and snow.
Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.
$$
ANZ254-221900-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
107 AM EST Mon Dec 22 2025
...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...
.REST OF TONIGHT...NW winds 20 to 25 kt with gusts up to 30 kt.
Seas 5 to 7 ft. Wave Detail: NW 6 ft at 6 seconds and SW 2 ft at
8 seconds.
.MON...NW winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. Gusts up to 30 kt. Seas 5 to 7 ft. Wave Detail: NW
7 ft at 6 seconds and SW 2 ft at 7 seconds.
.MON NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 5 ft. Wave Detail: N 5 ft at 7 seconds and W 2 ft at
4 seconds.
.TUE...W winds 5 to 10 kt, becoming S with gusts up to 20 kt in
the afternoon. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 3 seconds
and N 2 ft at 7 seconds. Snow likely with a chance of rain in the
morning, then rain in the afternoon. Vsby 1 to 3 NM in the
morning.
.TUE NIGHT...S winds 10 to 15 kt with gusts up to 20 kt, becoming
W 20 to 25 kt with gusts up to 30 kt after midnight. Seas 2 to
4 ft, building to 4 to 6 ft after midnight. Wave Detail: S 3 ft
at 4 seconds and SW 2 ft at 6 seconds, becoming W 4 ft at
6 seconds and NE 1 foot at 5 seconds. Rain, mainly in the
evening.
.WED...NW winds 25 to 30 kt with gusts up to 40 kt. Seas 5 to
8 ft. Wave Detail: W 7 ft at 7 seconds and NE 3 ft at 6 seconds.
A chance of snow showers. A chance of rain in the morning, then a
chance of showers in the afternoon.
.WED NIGHT...N winds 15 to 20 kt with gusts up to 30 kt, becoming
NW around 10 kt after midnight. Seas 5 to 7 ft.
.THU...W winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to
4 ft.
.THU NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 4 ft. A chance of rain.
.FRI...W winds around 15 kt with gusts up to 25 kt. Seas 4 to
6 ft. A chance of rain.
.FRI NIGHT...N winds 15 to 20 kt with gusts up to 25 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.
$$
ANZ255-221900-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
107 AM EST Mon Dec 22 2025
...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...
.REST OF TONIGHT...NW winds around 25 kt with gusts up to 30 kt.
Seas 5 to 8 ft. Wave Detail: W 8 ft at 6 seconds and SE 2 ft at
10 seconds.
.MON...NW winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. Gusts up to 30 kt. Seas 5 to 7 ft. Wave Detail: NW
6 ft at 6 seconds and W 6 ft at 7 seconds.
.MON NIGHT...W winds 15 to 20 kt. Seas 3 to 5 ft. Wave Detail: W
4 ft at 6 seconds and N 1 foot at 6 seconds.
.TUE...W winds 10 to 15 kt, becoming S 5 to 10 kt with gusts up
to 20 kt in the afternoon. Seas 2 to 4 ft. Wave Detail: W 4 ft at
6 seconds and NE 1 foot at 6 seconds. Rain.
.TUE NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt,
becoming W 25 to 30 kt with gusts up to 35 kt after midnight.
Seas 4 to 6 ft, building to 5 to 8 ft after midnight. Wave
Detail: SW 5 ft at 6 seconds and N 1 foot at 6 seconds, becoming
W 7 ft at 6 seconds and SE 1 foot at 10 seconds. Rain, mainly in
the evening.
.WED...NW winds 30 to 35 kt, diminishing to 25 to 30 kt in the
afternoon. Seas 6 to 9 ft, subsiding to 5 to 7 ft in the
afternoon. Wave Detail: W 8 ft at 6 seconds and SE 1 foot at
10 seconds, becoming W 7 ft at 7 seconds and N 6 ft at 5 seconds.
A chance of showers in the morning.
.WED NIGHT...N winds 20 to 25 kt with gusts up to 30 kt, becoming
NW around 10 kt after midnight. Seas 4 to 6 ft.
.THU...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to
5 ft.
.THU NIGHT...SW winds around 15 kt with gusts up to 20 kt. Seas
3 to 5 ft. A chance of rain.
.FRI...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to
6 ft. A chance of rain.
.FRI NIGHT...N winds 20 to 25 kt with gusts up 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.
$$
ANZ256-221900-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
107 AM EST Mon Dec 22 2025
...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...
.REST OF TONIGHT...NW winds around 25 kt with gusts up to 30 kt.
Seas 5 to 7 ft. Wave Detail: W 6 ft at 6 seconds and SE 2 ft at
10 seconds.
.MON...NW winds 20 to 25 kt with gusts up to 30 kt, diminishing
to 15 to 20 kt in the afternoon. Seas 5 to 7 ft, subsiding to
3 to 5 ft in the afternoon. Wave Detail: W 5 ft at 6 seconds and
SE 2 ft at 10 seconds, becoming NW 4 ft at 5 seconds and SW 2 ft
at 6 seconds.
.MON NIGHT...W winds 15 to 20 kt. Seas 2 to 4 ft. Wave Detail: NW
3 ft at 5 seconds and SE 1 foot at 9 seconds.
.TUE...W winds 10 to 15 kt, becoming S in the afternoon. Gusts up
to 20 kt. Seas 2 to 4 ft. Wave Detail: W 4 ft at 5 seconds and SE
1 foot at 10 seconds. Rain.
.TUE NIGHT...SW winds 20 to 25 kt, becoming W 25 to 30 kt with
gusts up to 35 kt after midnight. Seas 5 to 7 ft. Wave Detail: SW
5 ft at 6 seconds and SE 1 foot at 10 seconds. Rain likely,
mainly in the evening.
.WED...NW winds 25 to 30 kt with gusts up to 40 kt. Seas 5 to
8 ft. Wave Detail: NW 6 ft at 5 seconds and SW 4 ft at 7 seconds.
.WED NIGHT...N winds 15 to 20 kt with gusts up to 30 kt, becoming
NW 5 to 10 kt after midnight. Seas 3 to 5 ft, subsiding to 2 to
3 ft after midnight.
.THU...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to
4 ft.
.THU NIGHT...SW winds 15 to 20 kt. Seas 3 to 5 ft. A chance of
rain.
.FRI AND FRI NIGHT...SW winds 15 to 20 kt, becoming N 20 to
25 kt. Gusts up 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.
$$
ANZ232-221900-
Nantucket Sound-
107 AM EST Mon Dec 22 2025
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM EST THIS AFTERNOON...
.REST OF TONIGHT...NW winds 20 to 25 kt with gusts up to 30 kt.
Seas 3 to 4 ft. Wave Detail: NW 4 ft at 5 seconds and SW 2 ft at
7 seconds.
.MON...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to
4 ft. Wave Detail: N 4 ft at 5 seconds and SW 2 ft at 7 seconds.
.MON NIGHT...W winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: W
2 ft at 3 seconds and N 2 ft at 6 seconds.
.TUE...W winds 5 to 10 kt, becoming S with gusts up to 20 kt in
the afternoon. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 4 seconds
and SW 1 foot at 6 seconds. Rain. Snow likely in the morning with
vsby 1 to 3 NM.
.TUE NIGHT...S winds 10 to 15 kt, becoming W 20 to 25 kt after
midnight. Seas 2 to 4 ft. Wave Detail: SW 3 ft at 4 seconds and
SW 3 ft at 6 seconds. Rain, mainly in the evening.
.WED...NW winds 25 to 30 kt, becoming N 20 to 25 kt in the
afternoon. Seas 3 to 5 ft. Wave Detail: N 4 ft at 5 seconds and
SW 2 ft at 7 seconds. A chance of rain and snow showers in the
morning.
.WED NIGHT...N winds 15 to 20 kt with gusts up to 30 kt, becoming
NW 5 to 10 kt after midnight. Seas 2 to 4 ft.
.THU...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft.
.THU NIGHT THROUGH FRI NIGHT...N winds 15 to 20 kt with gusts up
to 25 kt. Seas 2 to 4 ft. A chance of rain.
Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.
$$
ANZ233-221900-
Vineyard Sound-
107 AM EST Mon Dec 22 2025
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM EST THIS AFTERNOON...
.REST OF TONIGHT...NW winds 20 to 25 kt with gusts up to 30 kt.
Seas 3 to 4 ft. Wave Detail: W 4 ft at 7 seconds and NW 3 ft at
5 seconds.
.MON...NW winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. Gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: NW
4 ft at 6 seconds and SW 3 ft at 7 seconds.
.MON NIGHT...W winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: NW
2 ft at 5 seconds and SW 1 foot at 7 seconds.
.TUE...W winds 5 to 10 kt, becoming S with gusts up to 20 kt in
the afternoon. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 5 seconds
and N 1 foot at 6 seconds. Rain.
.TUE NIGHT...SW winds 15 to 20 kt, becoming W 20 to 25 kt after
midnight. Seas 2 to 4 ft. Wave Detail: SW 3 ft at 6 seconds and
SE 1 foot at 10 seconds. Rain likely, mainly in the evening.
.WED AND WED NIGHT...NW winds 25 to 30 kt with gusts up to 35 kt.
Seas 2 to 4 ft. Wave Detail: W 4 ft at 6 seconds and NE 2 ft at
5 seconds.
.THU...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft.
.THU NIGHT THROUGH FRI NIGHT...N 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.
$$
ANZ234-221900-
Buzzards Bay-
107 AM EST Mon Dec 22 2025
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM EST THIS AFTERNOON...
.REST OF TONIGHT...NW winds 15 to 20 kt with gusts up to 25 kt.
Seas around 3 ft. Wave Detail: N 3 ft at 5 seconds and SW 3 ft at
7 seconds.
.MON...NW winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. Gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: N 3 ft
at 5 seconds and SW 2 ft at 7 seconds.
.MON NIGHT...W winds 10 to 15 kt. Seas around 2 ft. Wave Detail:
NW 2 ft at 5 seconds and SE 1 foot at 10 seconds.
.TUE...W winds 5 to 10 kt, becoming S with gusts up to 20 kt in
the afternoon. Seas around 2 ft. Wave Detail: SW 2 ft at
5 seconds and SW 1 foot at 6 seconds. Rain.
.TUE NIGHT...SW winds 10 to 15 kt, becoming W 20 to 25 kt after
midnight. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 6 seconds and
NE 1 foot at 5 seconds. Rain likely, mainly in the evening.
.WED AND WED NIGHT...NW winds 20 to 25 kt with gusts up to 30 kt.
Seas 2 to 3 ft. Wave Detail: N 3 ft at 5 seconds and SW 3 ft at
7 seconds.
.THU...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft.
.THU NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
around 2 ft. A chance of rain.
.FRI...SW winds around 15 kt with gusts up to 25 kt. Seas 2 to
4 ft. A chance of rain.
.FRI NIGHT...N winds 15 to 20 kt with gusts up to 25 kt. Seas
2 to 4 ft. A chance of rain and snow.
Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.
$$
ANZ235-221900-
Rhode Island Sound-
107 AM EST Mon Dec 22 2025
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM EST THIS AFTERNOON...
.REST OF TONIGHT...NW winds 20 to 25 kt with gusts up to 30 kt.
Seas 3 to 5 ft. Wave Detail: W 4 ft at 6 seconds and SE 2 ft at
10 seconds.
.MON...NW winds 20 to 25 kt with gusts up to 30 kt, diminishing
to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to
4 ft. Wave Detail: NW 4 ft at 5 seconds and SW 3 ft at 7 seconds.
.MON NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 3 ft. Wave Detail: NW 3 ft at 5 seconds and SE 1 foot at
9 seconds.
.TUE...W winds around 10 kt, becoming S with gusts up to 20 kt in
the afternoon. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 6 seconds
and SE 1 foot at 10 seconds. Rain.
.TUE NIGHT...SW winds 15 to 20 kt, becoming W 20 to 25 kt with
gusts up to 30 kt after midnight. Seas 3 to 5 ft. Wave Detail: SW
4 ft at 6 seconds and SE 1 foot at 10 seconds. Rain likely,
mainly in the evening.
.WED...NW winds 25 to 30 kt, diminishing to 20 to 25 kt in the
afternoon. Seas 3 to 5 ft. Wave Detail: W 4 ft at 6 seconds and N
1 foot at 5 seconds.
.WED NIGHT...N winds 10 to 15 kt with gusts up to 25 kt, becoming
NW 5 to 10 kt after midnight. Seas 2 to 3 ft.
.THU...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft.
.THU NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 3 ft. A chance of rain.
.FRI AND FRI NIGHT...SW winds around 15 kt, becoming N. 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.
$$
ANZ237-221900-
Block Island Sound-
107 AM EST Mon Dec 22 2025
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM EST THIS AFTERNOON...
.REST OF TONIGHT...NW winds around 20 kt with gusts up to 30 kt.
Seas 3 to 5 ft. Wave Detail: SW 3 ft at 6 seconds and SE 2 ft at
10 seconds.
.MON...NW winds 15 to 20 kt with gusts up to 30 kt, becoming W
10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to
4 ft. Wave Detail: W 3 ft at 6 seconds and SE 2 ft at 10 seconds.
.MON NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 3 ft. Wave Detail: NW 2 ft at 4 seconds and SW 1 foot at
7 seconds.
.TUE...SW winds around 10 kt, becoming S in the afternoon. Gusts
up to 20 kt. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 5 seconds
and SE 1 foot at 9 seconds. Rain.
.TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt,
becoming W 15 to 20 kt with gusts up to 30 kt after midnight.
Seas 2 to 4 ft. Wave Detail: W 3 ft at 5 seconds and SE 1 foot at
10 seconds. Rain likely in the evening.
.WED AND WED NIGHT...NW winds 20 to 25 kt with gusts up to 35 kt.
Seas 2 to 4 ft. Wave Detail: NW 3 ft at 5 seconds and SW 2 ft at
6 seconds.
.THU...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft.
.THU NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 3 ft. A chance of rain.
.FRI AND FRI NIGHT...SW winds 10 to 15 kt, becoming N 15 to
20 kt. Gusts up to 25 kt. Seas 3 to 5 ft. A chance of rain.
Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.
$$
ANZ230-221900-
Boston Harbor-
107 AM EST Mon Dec 22 2025
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM EST THIS AFTERNOON...
.REST OF TONIGHT...NW winds 15 to 20 kt with gusts up to 25 kt.
Waves around 2 ft.
.MON...NW winds 15 to 20 kt with gusts up to 30 kt, diminishing
to 10 to 15 kt with gusts up to 20 kt in the afternoon. Waves
around 2 ft.
.MON NIGHT...W winds 5 to 10 kt. Waves 1 foot or less, then
around 2 ft after midnight.
.TUE...SW winds 5 to 10 kt, becoming SE in the afternoon. Waves
1 foot or less, then around 2 ft in the afternoon. Snow. Rain in
the afternoon. Vsby 1 to 3 NM.
.TUE NIGHT...S winds 10 to 15 kt, becoming W 15 to 20 kt with
gusts up to 25 kt after midnight. Waves around 2 ft. Rain likely,
mainly in the evening.
.WED...NW winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. Gusts up to 30 kt. Waves around 2 ft. A chance of snow
showers in the morning.
.WED NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt,
becoming W 5 to 10 kt after midnight. Waves around 2 ft in the
evening, then 1 foot or less.
.THU...SW winds 5 to 10 kt with gusts up to 20 kt. Waves around
2 ft.
.THU NIGHT AND FRI...SW winds 10 to 15 kt with gusts up to 20 kt.
Waves around 2 ft. A chance of rain, snow and sleet.
.FRI NIGHT...N winds 15 to 20 kt with gusts up to 25 kt. Waves
around 2 ft. A chance of snow and 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.
$$
ANZ236-221900-
Narragansett Bay-
107 AM EST Mon Dec 22 2025
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 AM EST THIS MORNING...
.REST OF TONIGHT...NW winds 15 to 20 kt with gusts up to 25 kt.
Waves around 3 ft.
.MON...NW winds 10 to 15 kt. Gusts up to 25 kt in the morning.
Waves 2 to 3 ft.
.MON NIGHT...W winds 5 to 10 kt. Waves around 2 ft.
.TUE...SW winds around 5 kt, becoming S in the afternoon. Waves
around 2 ft. Rain. Snow likely in the morning with vsby 1 to
3 NM.
.TUE NIGHT...SW winds 10 to 15 kt, becoming W 15 to 20 kt with
gusts up to 25 kt after midnight. Waves 2 to 3 ft. Rain likely,
mainly in the evening.
.WED AND WED NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt.
Waves 2 to 3 ft.
.THU...SW winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to
3 ft.
.THU NIGHT AND FRI...SW winds 10 to 15 kt with gusts up to 20 kt.
Waves 2 to 3 ft. A chance of rain.
.FRI NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Waves
2 to 3 ft. A chance of rain and snow.
Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.
$$
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