616
FZUS51 KBOX 151506
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
1005 AM EST Mon Dec 15 2025

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

ANZ200-160400-
1005 AM EST Mon Dec 15 2025

.Synopsis for Massachusetts and Rhode Island coastal waters...
WNW gale force wind gusts persist today. High pres then builds S of
the waters tonight into Tue and moves E by Wed. Strong low pres
tracking well to our N may bring Srly gale force wind gusts sometime
late Thu into early Fri ahead of our next cold front. Strong WNW
gales follow behind the front sometime later Fri into Fri night.

$$

ANZ250-160400-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
1005 AM EST Mon Dec 15 2025

...GALE WARNING IN EFFECT UNTIL 1 PM EST THIS AFTERNOON...

.THIS AFTERNOON...NW winds 20 to 25 kt with gusts up to 35 kt.
Seas 5 to 8 ft. Wave Detail: N 8 ft at 7 seconds and SE 2 ft at
11 seconds.
.TONIGHT...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 3 to
4 ft after midnight. Wave Detail: NW 6 ft at 7 seconds and SE
2 ft at 10 seconds, becoming W 4 ft at 5 seconds and NE 1 foot at
7 seconds.
.TUE...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. Wave Detail: W 3 ft at 4 seconds and N 1 foot at 5 seconds.
.TUE NIGHT...SW winds 15 to 20 kt, increasing to 20 to 25 kt
after midnight. Gusts up to 30 kt. Seas 2 to 3 ft, building to
3 to 5 ft after midnight. Wave Detail: SW 3 ft at 3 seconds and
SE 1 foot at 11 seconds, becoming SW 5 ft at 4 seconds and SE
1 foot at 11 seconds.
.WED...SW winds 20 to 25 kt with gusts up to 35 kt. Seas 4 to
6 ft. Wave Detail: SW 5 ft at 5 seconds and SE 2 ft at
10 seconds.
.WED NIGHT...W winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. Gusts up to 30 kt. Seas 3 to 5 ft. Wave Detail: W
4 ft at 5 seconds and SE 1 foot at 5 seconds.
.THU...S winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to
4 ft.
.THU NIGHT...S winds 25 to 30 kt with gusts up to 45 kt. Seas
4 to 6 ft. Showers.
.FRI...SW winds 25 to 30 kt with gusts up to 45 kt. Seas 6 to
9 ft. Showers. Vsby 1 to 3 NM.
.FRI NIGHT...NW winds 25 to 30 kt with gusts up to 40 kt. Seas
5 to 7 ft.

Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.

$$

ANZ251-160400-
Massachusetts Bay and Ipswich Bay-
1005 AM EST Mon Dec 15 2025

...GALE WARNING IN EFFECT UNTIL 1 PM EST THIS AFTERNOON...

.THIS AFTERNOON...NW winds 20 to 25 kt with gusts up to 35 kt.
Seas 3 to 5 ft. Wave Detail: NW 5 ft at 5 seconds and NE 4 ft at
7 seconds.
.TONIGHT...W winds 15 to 20 kt with gusts up to 30 kt,
diminishing to 10 to 15 kt with gusts up to 20 kt after midnight.
Seas 2 to 4 ft. Wave Detail: N 4 ft at 6 seconds and SE 1 foot at
11 seconds.
.TUE...W winds 10 to 15 kt with gusts up to 20 kt. Seas around
2 ft. Wave Detail: W 2 ft at 3 seconds and N 1 foot at 6 seconds.
.TUE NIGHT...SW winds 15 to 20 kt, increasing to 20 to 25 kt
after midnight. Gusts up to 30 kt. Seas 2 to 3 ft. Wave Detail:
SW 3 ft at 3 seconds and N 1 foot at 4 seconds.
.WED AND WED NIGHT...W winds 20 to 25 kt with gusts up to 30 kt.
Seas 2 to 3 ft. Wave Detail: S 3 ft at 4 seconds and SE 1 foot at
11 seconds.
.THU...S winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to
3 ft. Wave Detail: SE 3 ft at 4 seconds and SE 1 foot at
10 seconds.
.THU NIGHT AND FRI...S winds 25 to 30 kt, becoming SW. Gusts up
to 40 kt. Seas 3 to 5 ft. Showers. Vsby 1 to 3 NM.
.FRI NIGHT...W winds 25 to 30 kt with gusts up to 40 kt. Seas
4 to 6 ft.

Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.

$$

ANZ231-160400-
Cape Cod Bay-
1005 AM EST Mon Dec 15 2025

...GALE WARNING IN EFFECT UNTIL 1 PM EST THIS AFTERNOON...

.THIS AFTERNOON...NW winds 20 to 25 kt with gusts up to 35 kt.
Seas 4 to 6 ft. Wave Detail: N 6 ft at 7 seconds and SE 1 foot at
10 seconds. Light freezing spray.
.TONIGHT...W winds 15 to 20 kt with gusts up to 30 kt,
diminishing to 10 to 15 kt with gusts up to 20 kt after midnight.
Seas 2 to 4 ft. Wave Detail: N 4 ft at 7 seconds and SE 1 foot at
10 seconds.
.TUE...W winds 10 to 15 kt. Gusts up to 20 kt in the morning.
Seas around 2 ft. Wave Detail: N 2 ft at 7 seconds and SE 1 foot
at 10 seconds.
.TUE NIGHT...SW winds 10 to 15 kt, increasing to 15 to 20 kt
after midnight. Gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail:
SW 2 ft at 3 seconds and N 1 foot at 5 seconds.
.WED...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to
5 ft. Wave Detail: SW 3 ft at 4 seconds and S 2 ft at 10 seconds.
.WED NIGHT...W winds 10 to 15 kt, diminishing to 5 to 10 kt after
midnight. Gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: W 2 ft
at 4 seconds and S 2 ft at 9 seconds.
.THU...S winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to
3 ft.
.THU NIGHT AND FRI...S winds 25 to 30 kt, becoming SW. Gusts up
to 45 kt. Seas 4 to 6 ft. Showers. Vsby 1 to 3 NM.
.FRI NIGHT...NW winds 25 to 30 kt with gusts up to 40 kt. Seas
4 to 6 ft.

Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.

$$

ANZ254-160400-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
1005 AM EST Mon Dec 15 2025

...GALE WARNING IN EFFECT UNTIL 1 PM EST THIS AFTERNOON...

.THIS AFTERNOON...NW winds 20 to 25 kt with gusts up to 35 kt.
Seas 6 to 9 ft. Wave Detail: NW 8 ft at 7 seconds and N 6 ft at
8 seconds. Light freezing spray.
.TONIGHT...NW winds 15 to 20 kt, becoming W 10 to 15 kt after
midnight. Gusts up to 30 kt. Seas 5 to 7 ft, subsiding to 3 to
5 ft after midnight. Wave Detail: NW 7 ft at 7 seconds and N 5 ft
at 8 seconds, becoming W 5 ft at 7 seconds and N 3 ft at
8 seconds.
.TUE...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft. Wave Detail: NW 4 ft at 7 seconds and SE 1 foot at
11 seconds.
.TUE NIGHT...SW winds 10 to 15 kt, increasing to 15 to 20 kt
after midnight. Gusts up to 30 kt. Seas 2 to 3 ft, building to
3 to 5 ft after midnight. Wave Detail: SW 3 ft at 4 seconds and
SE 1 foot at 11 seconds, becoming SW 5 ft at 5 seconds and SE
1 foot at 10 seconds.
.WED...SW winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to
6 ft. Wave Detail: SW 6 ft at 6 seconds and SE 4 ft at
10 seconds.
.WED NIGHT...W winds 15 to 20 kt with gusts up to 30 kt, becoming
NW 10 to 15 kt with gusts up to 20 kt after midnight. Seas 4 to
6 ft. Wave Detail: S 5 ft at 9 seconds and W 4 ft at 5 seconds.
.THU...S winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to
5 ft.
.THU NIGHT...S winds 25 to 30 kt with gusts up to 45 kt. Seas
5 to 7 ft. Showers.
.FRI...SW winds 25 to 30 kt with gusts up to 45 kt. Seas 7 to
10 ft, except 10 to 14 ft S and E of Nantucket. Showers.
.FRI NIGHT...NW winds 25 to 30 kt with gusts up to 40 kt. Seas
6 to 9 ft.

Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.

$$

ANZ255-160400-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
1005 AM EST Mon Dec 15 2025

...GALE WARNING IN EFFECT UNTIL 1 PM EST THIS AFTERNOON...

.THIS AFTERNOON...NW winds 20 to 25 kt with gusts up to 35 kt.
Seas 6 to 9 ft. Wave Detail: NW 9 ft at 7 seconds and NE 3 ft at
8 seconds. Light freezing spray.
.TONIGHT...W winds 15 to 20 kt with gusts up to 30 kt. Seas 5 to
7 ft. Wave Detail: W 7 ft at 7 seconds and NE 2 ft at 8 seconds.
.TUE...W winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to
6 ft, subsiding to 2 to 4 ft in the afternoon. Wave Detail: W
4 ft at 7 seconds and NE 1 foot at 8 seconds, becoming SW 4 ft at
7 seconds and N 1 foot at 7 seconds.
.TUE NIGHT...SW winds 15 to 20 kt, increasing to 20 to 25 kt
after midnight. Gusts up to 30 kt. Seas 2 to 3 ft, building to
4 to 6 ft after midnight. Wave Detail: SW 3 ft at 6 seconds and
SE 1 foot at 11 seconds, becoming SW 6 ft at 6 seconds and SE
1 foot at 10 seconds.
.WED...SW winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to
8 ft. Wave Detail: SW 8 ft at 8 seconds and S 5 ft at 10 seconds.
.WED NIGHT...W winds 20 to 25 kt with gusts up to 30 kt, becoming
NW 10 to 15 kt with gusts up to 20 kt after midnight. Seas 5 to
8 ft. Wave Detail: SW 8 ft at 8 seconds.
.THU...SE winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to
6 ft.
.THU NIGHT...S winds 30 to 40 kt with gusts up to 45 kt. Seas
6 to 9 ft. Showers.
.FRI...SW winds 30 to 40 kt with gusts up to 45 kt. Seas 9 to
13 ft. Showers. Vsby 1 to 3 NM.
.FRI NIGHT...NW winds 30 to 40 kt with gusts up to 45 kt. Seas
7 to 10 ft.

Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.

$$

ANZ256-160400-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
1005 AM EST Mon Dec 15 2025

...GALE WARNING IN EFFECT UNTIL 1 PM EST THIS AFTERNOON...

.THIS AFTERNOON...NW winds 20 to 25 kt with gusts up to 35 kt.
Seas 5 to 8 ft. Wave Detail: N 8 ft at 7 seconds and S 2 ft at
9 seconds.
.TONIGHT...W winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to
5 ft. Wave Detail: N 5 ft at 7 seconds and SE 1 foot at
10 seconds.
.TUE...W winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to
5 ft, subsiding to 2 to 3 ft in the afternoon. Wave Detail: W
4 ft at 6 seconds and SE 1 foot at 11 seconds, becoming SW 3 ft
at 6 seconds and SE 1 foot at 11 seconds.
.TUE NIGHT...SW winds 15 to 20 kt, increasing to 20 to 25 kt
after midnight. Gusts up to 30 kt. Seas 2 to 3 ft, building to
4 to 6 ft after midnight. Wave Detail: SW 3 ft at 6 seconds and
SE 1 foot at 11 seconds, becoming SW 6 ft at 6 seconds and SE
1 foot at 10 seconds.
.WED...SW winds 20 to 25 kt with gusts up to 35 kt. Seas 5 to
8 ft. Wave Detail: SW 8 ft at 8 seconds and S 7 ft at 10 seconds.
.WED NIGHT...W winds 20 to 25 kt with gusts up to 30 kt, becoming
NW 10 to 15 kt with gusts up to 20 kt after midnight. Seas 6 to
8 ft. Wave Detail: SW 8 ft at 7 seconds.
.THU...S winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to
6 ft.
.THU NIGHT...S winds 30 to 40 kt with gusts up to 45 kt. Seas
6 to 9 ft. Showers.
.FRI...SW winds 30 to 40 kt with gusts up to 45 kt. Seas 10 to
14 ft. Showers. Vsby 1 to 3 NM.
.FRI NIGHT...NW winds 30 to 35 kt with gusts up to 45 kt. Seas
6 to 9 ft.

Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.

$$

ANZ232-160400-
Nantucket Sound-
1005 AM EST Mon Dec 15 2025

...GALE WARNING IN EFFECT UNTIL 1 PM EST THIS AFTERNOON...

.THIS AFTERNOON...NW winds 15 to 20 kt with gusts up to 35 kt.
Seas 3 to 5 ft. Wave Detail: NW 5 ft at 5 seconds and NE 3 ft at
8 seconds. Light freezing spray.
.TONIGHT...W winds 10 to 15 kt. Gusts up to 30 kt, decreasing to
20 kt after midnight. Seas 2 to 4 ft. Wave Detail: W 4 ft at
5 seconds and NE 2 ft at 8 seconds.
.TUE...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. Wave Detail: W 2 ft at 4 seconds and NE 1 foot at
8 seconds.
.TUE NIGHT...SW winds 10 to 15 kt, increasing to 15 to 20 kt
after midnight. Gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail:
SW 4 ft at 5 seconds and N 1 foot at 6 seconds.
.WED...SW winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to
5 ft. Wave Detail: SW 4 ft at 5 seconds and S 3 ft at 10 seconds.
.WED 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
3 ft at 5 seconds and S 3 ft at 9 seconds.
.THU...S winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to
3 ft.
.THU NIGHT...S winds 25 to 35 kt with gusts up to 45 kt. Seas
4 to 6 ft. Showers.
.FRI...SW winds 25 to 35 kt with gusts up to 45 kt. Seas 5 to
7 ft. Showers.
.FRI NIGHT...NW winds 25 to 30 kt with gusts up to 40 kt. Seas
4 to 6 ft.

Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.

$$

ANZ233-160400-
Vineyard Sound-
1005 AM EST Mon Dec 15 2025

...GALE WARNING IN EFFECT UNTIL 1 PM EST THIS AFTERNOON...

.THIS AFTERNOON...NW winds 15 to 20 kt with gusts up to 30 kt.
Seas 3 to 4 ft. Wave Detail: N 4 ft at 6 seconds and S 1 foot at
10 seconds. Light freezing spray.
.TONIGHT...W winds 10 to 15 kt. Gusts up to 30 kt, decreasing to
20 kt after midnight. Seas 2 to 3 ft. Wave Detail: W 3 ft at
6 seconds and NE 2 ft at 8 seconds.
.TUE...W winds around 10 kt. Gusts up to 20 kt in the morning.
Seas 2 to 3 ft. Wave Detail: W 2 ft at 6 seconds and N 1 foot at
8 seconds.
.TUE NIGHT...SW winds 15 to 20 kt, increasing to 20 to 25 kt with
gusts up to 30 kt after midnight. Seas 2 to 4 ft. Wave Detail: SW
4 ft at 5 seconds and SE 1 foot at 11 seconds.
.WED...SW winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to
6 ft. Wave Detail: SW 6 ft at 6 seconds and S 5 ft at 10 seconds.
.WED NIGHT...W winds 15 to 20 kt with gusts up to 25 kt,
diminishing to 5 to 10 kt after midnight. Seas 3 to 5 ft. Wave
Detail: SW 5 ft at 8 seconds.
.THU...S winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to
4 ft.
.THU NIGHT...S winds 30 to 40 kt with gusts up to 45 kt. Seas
4 to 6 ft. Showers.
.FRI...SW winds 30 to 40 kt with gusts up to 45 kt. Seas 6 to
9 ft. Showers.
.FRI NIGHT...NW winds 25 to 30 kt with gusts up to 40 kt. Seas
4 to 6 ft.

Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.

$$

ANZ234-160400-
Buzzards Bay-
1005 AM EST Mon Dec 15 2025

...GALE WARNING IN EFFECT UNTIL 1 PM EST THIS AFTERNOON...

.THIS AFTERNOON...NW winds 15 to 20 kt with gusts up to 30 kt.
Seas around 3 ft. Wave Detail: NW 3 ft at 4 seconds and NE 3 ft
at 7 seconds. Light freezing spray.
.TONIGHT...W winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
3 ft. Wave Detail: W 3 ft at 6 seconds and N 2 ft at 8 seconds.
.TUE...W winds 5 to 10 kt. Gusts up to 20 kt in the morning. Seas
around 2 ft. Wave Detail: SW 2 ft at 6 seconds and N 1 foot at
7 seconds.
.TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt,
increasing to 20 to 25 kt with gusts up to 30 kt after midnight.
Seas 2 to 4 ft. Wave Detail: SW 4 ft at 5 seconds and SE 1 foot
at 11 seconds.
.WED...SW winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to
5 ft. Wave Detail: SW 5 ft at 6 seconds and S 4 ft at 10 seconds.
.WED NIGHT...W winds 15 to 20 kt with gusts up to 25 kt,
diminishing to 5 to 10 kt after midnight. Seas 2 to 4 ft. Wave
Detail: SW 4 ft at 7 seconds.
.THU...S winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to
3 ft.
.THU NIGHT AND FRI...S winds 30 to 40 kt, becoming SW. Seas 4 to
6 ft. Showers. Vsby 1 to 3 NM.
.FRI NIGHT...NW winds 25 to 30 kt with gusts up to 35 kt. Seas
4 to 6 ft.

Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.

$$

ANZ235-160400-
Rhode Island Sound-
1005 AM EST Mon Dec 15 2025

...GALE WARNING IN EFFECT UNTIL 1 PM EST THIS AFTERNOON...

.THIS AFTERNOON...NW winds 15 to 20 kt with gusts up to 30 kt.
Seas 3 to 5 ft. Wave Detail: N 5 ft at 6 seconds and S 2 ft at
10 seconds.
.TONIGHT...W winds 15 to 20 kt. Gusts up to 30 kt, decreasing to
20 kt after midnight. Seas 2 to 4 ft. Wave Detail: W 4 ft at
5 seconds and N 1 foot at 7 seconds.
.TUE...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft. Wave Detail: W 3 ft at 7 seconds and SE 1 foot at
11 seconds.
.TUE NIGHT...SW winds 15 to 20 kt, increasing to 20 to 25 kt
after midnight. Gusts up to 30 kt. Seas 2 to 3 ft, building to
3 to 5 ft after midnight. Wave Detail: SW 3 ft at 6 seconds and
SE 1 foot at 11 seconds, becoming SW 5 ft at 6 seconds and SE
1 foot at 11 seconds.
.WED...SW winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to
7 ft. Wave Detail: SW 7 ft at 7 seconds and S 6 ft at 10 seconds.
.WED NIGHT...W winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. Gusts up to 25 kt. Seas 4 to 6 ft. Wave Detail:
SW 6 ft at 7 seconds.
.THU...S winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to
5 ft.
.THU NIGHT...S winds 30 to 40 kt with gusts up to 45 kt. Seas
5 to 8 ft. Showers.
.FRI...SW winds 30 to 40 kt with gusts up to 45 kt. Seas 7 to
10 ft. Showers. Vsby 1 to 3 NM.
.FRI NIGHT...NW winds 25 to 30 kt with gusts up to 40 kt. Seas
5 to 7 ft.

Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.

$$

ANZ237-160400-
Block Island Sound-
1005 AM EST Mon Dec 15 2025

...GALE WARNING IN EFFECT UNTIL 1 PM EST THIS AFTERNOON...

.THIS AFTERNOON...NW winds 15 to 20 kt with gusts up to 30 kt.
Seas 3 to 5 ft. Wave Detail: N 5 ft at 6 seconds and S 2 ft at
10 seconds.
.TONIGHT...W winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
3 ft. Wave Detail: W 3 ft at 5 seconds and N 1 foot at 5 seconds.
.TUE...W winds 10 to 15 kt. Gusts up to 20 kt in the morning.
Seas 2 to 3 ft. Wave Detail: W 2 ft at 5 seconds and SE 1 foot at
11 seconds.
.TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt,
increasing to 15 to 20 kt with gusts up to 30 kt after midnight.
Seas 2 to 4 ft. Wave Detail: SW 4 ft at 5 seconds and SE 1 foot
at 11 seconds.
.WED...SW winds around 20 kt with gusts up to 30 kt. Seas 3 to
5 ft. Wave Detail: SW 5 ft at 6 seconds and S 5 ft at 9 seconds.
.WED NIGHT...W winds 15 to 20 kt with gusts up to 25 kt, becoming
NW 5 to 10 kt after midnight. Seas 3 to 5 ft. Wave Detail: S 5 ft
at 8 seconds and W 3 ft at 4 seconds.
.THU...S winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to
4 ft.
.THU NIGHT...S winds 25 to 35 kt with gusts up to 45 kt. Seas
5 to 7 ft. Showers.
.FRI...SW winds 25 to 35 kt with gusts up to 45 kt. Seas 7 to
10 ft. Showers. Vsby 1 to 3 NM.
.FRI NIGHT...NW winds 25 to 30 kt with gusts up to 40 kt. Seas
5 to 7 ft.

Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.

$$

ANZ230-160400-
Boston Harbor-
1005 AM EST Mon Dec 15 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 PM EST THIS AFTERNOON...

.THIS AFTERNOON...NW winds 15 to 20 kt with gusts up to 30 kt.
Waves around 2 ft.
.TONIGHT...W winds 10 to 15 kt with gusts up to 25 kt. Waves
around 2 ft.
.TUE...W winds 5 to 10 kt. Waves around 2 ft.
.TUE NIGHT...SW winds 10 to 15 kt, increasing to 15 to 20 kt
after midnight. Gusts up to 25 kt. Waves around 2 ft.
.WED AND WED NIGHT...W winds 15 to 20 kt with gusts up to 30 kt.
Waves around 2 ft.
.THU...S winds 15 to 20 kt with gusts up to 25 kt. Waves around
2 ft.
.THU NIGHT AND FRI...S winds 25 to 30 kt, becoming SW. Gusts up
to 45 kt. Waves around 2 ft. Showers. Vsby 1 to 3 NM.
.FRI NIGHT...W winds 25 to 30 kt with gusts up to 35 kt. Waves
around 2 ft, except 3 to 5 ft at the outer harbor entrance.

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.

$$

ANZ236-160400-
Narragansett Bay-
1005 AM EST Mon Dec 15 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 PM EST THIS AFTERNOON...

.THIS AFTERNOON...NW winds 10 to 15 kt with gusts up to 30 kt.
Waves around 3 ft.
.TONIGHT...W winds 10 to 15 kt, diminishing to 5 to 10 kt after
midnight. Gusts up to 25 kt. Waves 2 to 3 ft.
.TUE...W winds 5 to 10 kt. Waves around 2 ft.
.TUE NIGHT...SW winds 10 to 15 kt, increasing to 15 to 20 kt
after midnight. Gusts up to 25 kt. Waves 2 to 3 ft.
.WED...SW winds 15 to 20 kt with gusts up to 30 kt. Waves 3 to
4 ft.
.WED NIGHT...W winds 10 to 15 kt with gusts up to 25 kt,
diminishing to 5 to 10 kt after midnight. Waves 2 to 4 ft.
.THU...S winds 10 to 15 kt with gusts up to 25 kt. Waves 2 to
3 ft.
.THU NIGHT AND FRI...S winds 30 to 35 kt, becoming SW 25 to
35 kt. Gusts up to 45 kt. Waves 4 to 6 ft. Showers. Vsby 1 to
3 NM.
.FRI NIGHT...NW winds 20 to 25 kt with gusts up to 35 kt. Waves
2 to 3 ft, except 5 to 7 ft at the bay entrance.

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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