256
FZUS51 KBOX 230604
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
103 AM EST Sun Feb 23 2025

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

ANZ200-231900-
103 AM EST Sun Feb 23 2025

.Synopsis for Massachusetts and Rhode Island coastal waters...
High pres continues to dominate our waters this weekend before it
moves east of the region Monday. A wave of low pres will approach
from the west Thu into Thu night.

$$

ANZ250-231900-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
103 AM EST Sun Feb 23 2025

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

$$

ANZ251-231900-
Massachusetts Bay and Ipswich Bay-
103 AM EST Sun Feb 23 2025

.REST OF TONIGHT...SW winds around 15 kt with gusts up to 20 kt.
Seas around 2 ft. Wave Detail: SW 2 ft at 3 seconds and E 1 foot
at 7 seconds.
.SUN...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 E 1 foot at 7 seconds.
.SUN NIGHT...NW winds 5 to 10 kt. Seas around 2 ft in the
evening, then 1 foot or less. Wave Detail: W 1 foot at 3 seconds,
becoming NW 1 foot at 3 seconds.
.MON...SW winds 5 to 10 kt, becoming S 10 to 15 kt with gusts up
to 20 kt in the afternoon. Seas 1 foot or less, then around 2 ft
in the afternoon. Wave Detail: W 1 foot at 2 seconds, becoming S
2 ft at 3 seconds.
.MON NIGHT AND TUE...SW winds 15 to 20 kt with gusts up to 25 kt.
Seas 2 to 3 ft. Wave Detail: S 3 ft at 3 seconds and SE 1 foot at
9 seconds.
.TUE NIGHT...W winds around 10 kt. Seas around 2 ft in the
evening, then 1 foot or less. Wave Detail: SW 1 foot at 3 seconds
and SE 1 foot at 9 seconds, becoming W 1 foot at 3 seconds and SE
1 foot at 9 seconds. A chance of rain in the evening.
.WED AND WED NIGHT...NW winds around 10 kt, becoming SW. Seas
around 2 ft.
.THU AND THU NIGHT...SW winds around 10 kt, becoming NW with
gusts up 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.

$$

ANZ231-231900-
Cape Cod Bay-
103 AM EST Sun Feb 23 2025

.REST OF TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt.
Seas around 2 ft. Wave Detail: SW 2 ft at 3 seconds and N 1 foot
at 6 seconds.
.SUN...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 NE 1 foot at
6 seconds.
.SUN NIGHT...NW winds 5 to 10 kt. Seas around 2 ft in the
evening, then 1 foot or less. Wave Detail: NW 1 foot at
3 seconds.
.MON...SW winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: NW
1 foot at 3 seconds and SE 1 foot at 7 seconds.
.MON NIGHT AND TUE...SW winds 10 to 15 kt with gusts up to 20 kt.
Seas around 2 ft. Wave Detail: S 2 ft at 3 seconds and SE 1 foot
at 10 seconds.
.TUE NIGHT...SW winds 5 to 10 kt, becoming W after midnight. Seas
1 foot or less. Wave Detail: SW 1 foot at 3 seconds and SE 1 foot
at 9 seconds. A chance of rain in the evening.
.WED AND WED NIGHT...NW winds 5 to 10 kt, becoming SW. Seas
around 2 ft.
.THU AND THU NIGHT...S winds around 10 kt, becoming NW. Seas
around 2 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.

$$

ANZ254-231900-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
103 AM EST Sun Feb 23 2025

.REST OF TONIGHT...SW winds around 15 kt with gusts up to 20 kt.
Seas 2 to 3 ft. Wave Detail: SW 3 ft at 4 seconds and N 2 ft at
7 seconds.
.SUN...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 NE 1 foot at
7 seconds.
.SUN NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 kt after midnight. Seas 2 to 3 ft. Wave
Detail: NW 2 ft at 5 seconds and S 1 foot at 7 seconds.
.MON...SW winds 5 to 10 kt. Gusts up to 20 kt in the afternoon.
Seas around 2 ft. Wave Detail: W 2 ft at 5 seconds and E 1 foot
at 9 seconds.
.MON NIGHT AND TUE...SW winds 10 to 15 kt with gusts up to 20 kt.
Seas 2 to 3 ft. Wave Detail: S 2 ft at 4 seconds and SE 1 foot at
10 seconds.
.TUE NIGHT...SW winds around 10 kt, becoming W after midnight.
Seas 2 to 3 ft. Wave Detail: SW 2 ft at 5 seconds and SE 1 foot
at 9 seconds. A chance of rain.
.WED AND WED NIGHT...NW winds around 10 kt, becoming SW. Seas
2 to 4 ft.
.THU AND THU NIGHT...S winds around 10 kt, becoming NW with gusts
up to 20 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.

$$

ANZ255-231900-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
103 AM EST Sun Feb 23 2025

.REST OF TONIGHT...W winds around 15 kt with gusts up to 20 kt.
Seas 3 to 4 ft. Wave Detail: SW 4 ft at 5 seconds and E 1 foot at
9 seconds.
.SUN...W winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
4 ft. Wave Detail: SW 4 ft at 6 seconds and NE 1 foot at
9 seconds.
.SUN NIGHT...NW winds 10 to 15 kt, diminishing to 5 to 10 kt
after midnight. Seas 2 to 3 ft. Wave Detail: SW 3 ft at
6 seconds.
.MON...S winds 5 to 10 kt. Seas around 2 ft in the morning, then
1 foot or less. Wave Detail: SW 2 ft at 5 seconds and SE 1 foot
at 10 seconds, becoming SW 1 foot at 5 seconds and SE 1 foot at
9 seconds.
.MON NIGHT AND TUE...SW winds 10 to 15 kt with 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.
.TUE NIGHT...SW winds around 10 kt, becoming W after midnight.
Seas 2 to 3 ft. Wave Detail: SW 3 ft at 5 seconds and SE 2 ft at
8 seconds. A chance of rain in the evening.
.WED AND WED NIGHT...W winds around 10 kt, becoming SW. Seas 2 to
4 ft.
.THU AND THU NIGHT...S winds 10 to 15 kt, becoming NW with gusts
up to 20 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.

$$

ANZ256-231900-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
103 AM EST Sun Feb 23 2025

.REST OF TONIGHT...W winds 15 to 20 kt with gusts up to 25 kt.
Seas 3 to 4 ft. Wave Detail: SW 4 ft at 5 seconds and E 1 foot at
9 seconds.
.SUN...W winds 15 to 20 kt. Seas 3 to 4 ft. Wave Detail: SW 4 ft
at 6 seconds and E 1 foot at 9 seconds.
.SUN NIGHT...NW winds 10 to 15 kt, diminishing to 5 to 10 kt
after midnight. Seas 2 to 3 ft. Wave Detail: W 3 ft at 5 seconds
and SE 1 foot at 9 seconds.
.MON...SE winds 5 to 10 kt, becoming S 10 to 15 kt in the
afternoon. Seas around 2 ft. Wave Detail: SW 2 ft at 5 seconds
and SE 1 foot at 9 seconds.
.MON NIGHT AND TUE...SW winds 10 to 15 kt with gusts up to 20 kt.
Seas 2 to 3 ft. Wave Detail: S 3 ft at 4 seconds and SE 1 foot at
9 seconds.
.TUE NIGHT...W winds around 10 kt. Seas 2 to 3 ft. Wave Detail: S
3 ft at 6 seconds.
.WED AND WED NIGHT...W winds 10 to 15 kt, becoming SW. Seas 3 to
4 ft.
.THU AND THU NIGHT...S winds 10 to 15 kt, becoming NW with gusts
up to 20 kt. Seas 4 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.

$$

ANZ232-231900-
Nantucket Sound-
103 AM EST Sun Feb 23 2025

.REST OF TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt.
Seas 2 to 3 ft. Wave Detail: SW 2 ft at 3 seconds and NE 1 foot
at 8 seconds.
.SUN...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.
.SUN NIGHT...NW winds 5 to 10 kt. Seas around 2 ft in the
evening, then 1 foot or less. Wave Detail: W 1 foot at 5 seconds.
.MON...SW winds around 5 kt, becoming S in the afternoon. Seas
1 foot or less. Wave Detail: SW 1 foot at 5 seconds and E 1 foot
at 10 seconds.
.MON NIGHT AND TUE...SW winds 10 to 15 kt. Seas around 2 ft. Wave
Detail: S 2 ft at 3 seconds and SE 1 foot at 10 seconds.
.TUE NIGHT...SW winds 5 to 10 kt, becoming W after midnight. Seas
1 foot or less. Wave Detail: SW 1 foot at 4 seconds and S 1 foot
at 10 seconds. A chance of rain in the evening.
.WED AND WED NIGHT...W winds around 10 kt, becoming SW. Seas
1 foot or less, then around 2 ft.
.THU AND THU NIGHT...S winds around 10 kt, becoming NW. 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.

$$

ANZ233-231900-
Vineyard Sound-
103 AM EST Sun Feb 23 2025

.REST OF TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt.
Seas 2 to 4 ft. Wave Detail: SW 3 ft at 5 seconds and E 1 foot at
8 seconds.
.SUN...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. Wave Detail: SW 3 ft at 5 seconds and E 1 foot at
8 seconds.
.SUN NIGHT...NW winds 5 to 10 kt, diminishing to around 5 kt
after midnight. Seas around 2 ft in the evening, then 1 foot or
less. Wave Detail: SW 2 ft at 5 seconds, becoming SW 1 foot at
5 seconds.
.MON...SW winds 5 to 10 kt, becoming S 10 to 15 kt in the
afternoon. Seas 1 foot or less. Wave Detail: SW 1 foot at
4 seconds and SE 1 foot at 9 seconds.
.MON NIGHT AND TUE...SW winds 10 to 15 kt with gusts up to 20 kt.
Seas around 2 ft. Wave Detail: SW 2 ft at 4 seconds and SE 1 foot
at 9 seconds.
.TUE NIGHT...SW winds 5 to 10 kt, becoming W after midnight. Seas
around 2 ft. Wave Detail: SW 2 ft at 5 seconds and S 1 foot at
8 seconds. A chance of rain in the evening.
.WED AND WED NIGHT...W winds around 10 kt, becoming SW. Seas
around 2 ft.
.THU AND THU NIGHT...S winds 10 to 15 kt, becoming NW. 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.

$$

ANZ234-231900-
Buzzards Bay-
103 AM EST Sun Feb 23 2025

.REST OF TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt.
Seas 2 to 3 ft. Wave Detail: SW 2 ft at 5 seconds and E 1 foot at
8 seconds.
.SUN...W winds 10 to 15 kt. Gusts up to 20 kt in the morning.
Seas 2 to 3 ft. Wave Detail: SW 2 ft at 5 seconds and E 1 foot at
8 seconds.
.SUN NIGHT...NW winds 5 to 10 kt. Seas around 2 ft in the
evening, then 1 foot or less. Wave Detail: SW 2 ft at 5 seconds,
becoming SW 1 foot at 5 seconds.
.MON...SW winds 5 to 10 kt, becoming S 10 to 15 kt in the
afternoon. Seas 1 foot or less. Wave Detail: SW 1 foot at
4 seconds and SE 1 foot at 9 seconds.
.MON NIGHT AND TUE...SW winds 10 to 15 kt with gusts up to 20 kt.
Seas around 2 ft. Wave Detail: SW 2 ft at 4 seconds and SE 1 foot
at 10 seconds.
.TUE NIGHT...SW winds 5 to 10 kt, becoming W after midnight. Seas
1 foot or less. Wave Detail: SW 1 foot at 5 seconds and S 1 foot
at 9 seconds. A chance of rain in the evening.
.WED AND WED NIGHT...W winds around 10 kt, becoming SW. Seas
1 foot or less, then around 2 ft.
.THU AND THU NIGHT...S winds around 10 kt, becoming NW. 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.

$$

ANZ235-231900-
Rhode Island Sound-
103 AM EST Sun Feb 23 2025

.REST OF TONIGHT...SW winds 15 to 20 kt with gusts up to 25 kt.
Seas 2 to 4 ft. Wave Detail: SW 3 ft at 5 seconds and SE 1 foot
at 9 seconds.
.SUN...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. Wave Detail: SW 3 ft at 6 seconds and E 1 foot at
9 seconds.
.SUN NIGHT...NW winds 5 to 10 kt. Seas around 2 ft. Wave Detail:
SW 2 ft at 6 seconds.
.MON...SE winds 5 to 10 kt, becoming S 10 to 15 kt in the
afternoon. Seas 1 foot or less. Wave Detail: S 1 foot at
4 seconds and SE 1 foot at 9 seconds.
.MON NIGHT AND TUE...SW winds 10 to 15 kt with gusts up to 20 kt.
Seas 2 to 3 ft. Wave Detail: S 3 ft at 4 seconds and SE 1 foot at
9 seconds.
.TUE NIGHT...W winds around 10 kt. Seas around 2 ft. Wave Detail:
S 2 ft at 6 seconds.
.WED AND WED NIGHT...W winds around 10 kt, becoming SW. Seas 2 to
3 ft.
.THU AND THU NIGHT...S winds 10 to 15 kt, becoming NW. Seas 3 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.

$$

ANZ237-231900-
Block Island Sound-
103 AM EST Sun Feb 23 2025

.REST OF TONIGHT...SW winds around 15 kt with gusts up to 25 kt.
Seas 2 to 3 ft. Wave Detail: W 2 ft at 4 seconds and SE 1 foot at
9 seconds.
.SUN...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. Wave Detail: W 2 ft at 5 seconds and SE 1 foot at
9 seconds.
.SUN NIGHT...NW winds 5 to 10 kt, diminishing to around 5 kt
after midnight. Seas around 2 ft in the evening, then 1 foot or
less. Wave Detail: W 2 ft at 5 seconds and S 1 foot at 9 seconds,
becoming SW 1 foot at 5 seconds and SE 1 foot at 9 seconds.
.MON...SE winds 5 to 10 kt, becoming S in the afternoon. Seas
1 foot or less. Wave Detail: S 1 foot at 4 seconds and SE 1 foot
at 9 seconds.
.MON NIGHT AND TUE...SW winds 10 to 15 kt with gusts up to 20 kt.
Seas 2 to 3 ft. Wave Detail: S 2 ft at 4 seconds and SE 1 foot at
9 seconds.
.TUE NIGHT...W winds 5 to 10 kt. Seas around 2 ft. Wave Detail:
SW 2 ft at 5 seconds and S 1 foot at 8 seconds.
.WED AND WED NIGHT...W winds around 10 kt, becoming SW. Seas 2 to
3 ft.
.THU AND THU NIGHT...SW winds around 10 kt, becoming NW. Seas
3 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.

$$

ANZ230-231900-
Boston Harbor-
103 AM EST Sun Feb 23 2025

.REST OF TONIGHT...SW winds 10 to 15 kt. Waves 1 foot or less.
.SUN...W winds 10 to 15 kt with gusts up to 20 kt. Waves around
2 ft.
.SUN NIGHT...W winds 5 to 10 kt. Waves 1 foot or less.
.MON...SW winds around 5 kt, becoming S 10 to 15 kt with gusts up
to 20 kt in the afternoon. Waves 1 foot or less.
.MON NIGHT AND TUE...SW winds 10 to 15 kt with gusts up to 20 kt.
Waves around 2 ft.
.TUE NIGHT...W winds around 10 kt. Waves 1 foot or less.
.WED AND WED NIGHT...NW winds around 10 kt, becoming SW. Waves
around 2 ft, then 1 foot or less.
.THU AND THU NIGHT...SW winds around 10 kt, becoming NW. Waves
1 foot or less, then around 2 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.

$$

ANZ236-231900-
Narragansett Bay-
103 AM EST Sun Feb 23 2025

.REST OF TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt.
Waves around 2 ft.
.SUN...W winds 5 to 10 kt. Gusts up to 20 kt in the morning.
Waves around 2 ft.
.SUN NIGHT...NW winds 5 to 10 kt, diminishing to around 5 kt
after midnight. Waves around 2 ft in the evening, then 1 foot or
less.
.MON...S winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon. Waves 1 foot or less.
.MON NIGHT AND TUE...SW winds 10 to 15 kt with gusts up to 20 kt.
Waves around 2 ft.
.TUE NIGHT...W winds 5 to 10 kt. Waves around 2 ft.
.WED AND WED NIGHT...NW winds around 10 kt, becoming SW. Waves
2 to 3 ft.
.THU AND THU NIGHT...SW winds 5 to 10 kt, becoming NW. Waves 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.

$$

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