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000
FZUS51 KBOX 161702
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
101 PM EDT Tue Apr 16 2024

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

ANZ200-170600-
101 PM EDT Tue Apr 16 2024

.Synopsis for Massachusetts and Rhode Island coastal waters...
High pres builds over the waters today and Wed. A warm front lifts
toward the southern waters on Thu, while high pres remains planted
over the eastern waters. The high nudges back in for much of Fri
before a cold front approaches from the west late Fri through Sat.

$$

ANZ250-170600-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
101 PM EDT Tue Apr 16 2024

.THIS AFTERNOON...W winds 5 to 10 kt. Seas 2 to 3 ft. Wave
Detail: SE 3 ft at 9 seconds and W 1 ft at 3 seconds.
.TONIGHT...W winds 5 to 10 kt, becoming N after midnight. Seas
2 to 3 ft. Wave Detail: SE 3 ft at 9 seconds and W 1 ft at
3 seconds.
.WED...N winds 5 to 10 kt, becoming E in the afternoon. Seas 2 to
3 ft. Wave Detail: SE 3 ft at 9 seconds and NW 1 ft at 3 seconds.
.WED NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE
2 ft at 8 seconds and SE 1 ft at 3 seconds.
.THU AND THU NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. Wave
Detail: E 3 ft at 9 seconds and SE 1 ft at 4 seconds.
.FRI...SE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. Wave Detail: E 3 ft at 7 seconds.
.FRI NIGHT AND SAT...S winds 10 to 15 kt, becoming SW. Gusts up
to 20 kt. Seas 2 to 4 ft. A chance of showers.
.SAT NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 4 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.

$$

ANZ251-170600-
Massachusetts Bay and Ipswich Bay-
101 PM EDT Tue Apr 16 2024

.THIS AFTERNOON...W winds 5 to 10 kt. Seas around 2 ft. Wave
Detail: E 2 ft at 9 seconds and W 1 ft at 2 seconds.
.TONIGHT...NW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: E
2 ft at 9 seconds and NW 1 ft at 2 seconds.
.WED...N winds 5 to 10 kt, becoming E in the afternoon. Seas
around 2 ft. Wave Detail: E 2 ft at 9 seconds and N 1 ft at
3 seconds.
.WED NIGHT...SE winds 5 to 10 kt. Seas around 2 ft. Wave Detail:
SE 2 ft at 3 seconds and E 2 ft at 7 seconds.
.THU AND THU NIGHT...SE winds 5 to 10 kt. Seas around 2 ft. Wave
Detail: E 2 ft at 6 seconds and SE 1 ft at 3 seconds.
.FRI...SE winds 10 to 15 kt with gusts up to 20 kt. Seas around
2 ft. Wave Detail: E 2 ft at 7 seconds.
.FRI NIGHT AND SAT...S winds 10 to 15 kt, becoming SW. Gusts up
to 20 kt. Seas 2 to 3 ft. A chance of showers.
.SAT NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas
around 2 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.

$$

ANZ231-170600-
Cape Cod Bay-
101 PM EDT Tue Apr 16 2024

.THIS AFTERNOON...N winds 5 to 10 kt. Seas around 2 ft. Wave
Detail: SE 2 ft at 9 seconds and NW 1 ft at 3 seconds.
.TONIGHT...SW winds around 5 kt, becoming N after midnight. Seas
around 2 ft. Wave Detail: SE 2 ft at 9 seconds and NW 1 ft at
3 seconds.
.WED...N winds 5 to 10 kt, becoming NE in the afternoon. Seas
around 2 ft. Wave Detail: N 1 ft at 3 seconds and E 1 ft at
8 seconds.
.WED NIGHT...SE winds 5 to 10 kt. Seas around 2 ft in the
evening, then 1 foot or less. Wave Detail: SE 1 ft at 3 seconds
and E 1 ft at 6 seconds, becoming E 1 ft at 4 seconds.
.THU AND THU NIGHT...E winds 5 to 10 kt. Seas 1 foot or less.
Wave Detail: E 1 ft at 4 seconds.
.FRI...SE winds 5 to 10 kt. Seas around 2 ft. Wave Detail: E 1 ft
at 3 seconds.
.FRI NIGHT AND SAT...S winds 10 to 15 kt, becoming SW. Gusts up
to 20 kt. Seas around 2 ft. A chance of showers.
.SAT NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas
around 2 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.

$$

ANZ254-170600-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
101 PM EDT Tue Apr 16 2024

.THIS AFTERNOON...W winds 5 to 10 kt. Seas 3 to 4 ft. Wave
Detail: SE 4 ft at 9 seconds and W 1 ft at 4 seconds.
.TONIGHT...SW winds 5 to 10 kt, becoming N after midnight. Seas
3 to 4 ft. Wave Detail: SE 4 ft at 9 seconds and W 2 ft at
6 seconds.
.WED...NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft
at 8 seconds and W 2 ft at 6 seconds.
.WED NIGHT...SE winds around 5 kt. Seas 2 to 3 ft. Wave Detail: S
2 ft at 7 seconds.
.THU AND THU NIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft. Wave
Detail: E 3 ft at 9 seconds and S 1 ft at 6 seconds.
.FRI...SE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft
at 7 seconds.
.FRI NIGHT THROUGH SAT NIGHT...W winds 10 to 15 kt with gusts up
to 20 kt. Seas 2 to 4 ft. A chance of showers.

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.

$$

ANZ255-170600-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
101 PM EDT Tue Apr 16 2024

.THIS AFTERNOON...W winds around 10 kt with gusts up to 20 kt.
Seas 3 to 4 ft. Wave Detail: S 4 ft at 8 seconds and W 1 ft at
4 seconds.
.TONIGHT...SW winds 5 to 10 kt, becoming NW after midnight. Seas
2 to 4 ft. Wave Detail: S 4 ft at 8 seconds.
.WED...NE winds 5 to 10 kt, becoming E in the afternoon. Seas
2 to 4 ft. Wave Detail: S 3 ft at 7 seconds and SE 3 ft at
8 seconds.
.WED NIGHT...SE winds 5 to 10 kt. Seas around 2 ft. Wave Detail:
S 2 ft at 7 seconds and SE 2 ft at 8 seconds. A chance of rain
after midnight.
.THU...E winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. Wave Detail: E 3 ft at 8 seconds and S 2 ft at 5 seconds.
.THU NIGHT...E winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 6 seconds.
.FRI...E winds 10 to 15 kt. Seas 2 to 3 ft.
.FRI NIGHT AND SAT...SE winds 10 to 15 kt, becoming SW. Gusts up
to 20 kt. Seas 2 to 4 ft. A chance of showers.
.SAT NIGHT...W winds around 15 kt with gusts up to 20 kt. Seas
3 to 4 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.

$$

ANZ256-170600-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
101 PM EDT Tue Apr 16 2024

.THIS AFTERNOON...W winds 10 to 15 kt. Seas around 4 ft. Wave
Detail: S 4 ft at 8 seconds.
.TONIGHT...W winds around 10 kt, becoming NW after midnight. Seas
3 to 4 ft. Wave Detail: S 4 ft at 8 seconds.
.WED...NE winds 5 to 10 kt, becoming SE in the afternoon. Seas
2 to 3 ft. Wave Detail: S 3 ft at 7 seconds and SE 3 ft at
8 seconds.
.WED NIGHT...SE winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail:
SE 3 ft at 8 seconds and S 2 ft at 7 seconds. A chance of rain
after midnight.
.THU...E winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to
4 ft. Wave Detail: SE 4 ft at 6 seconds. A chance of rain in the
morning.
.THU NIGHT...E winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 4 ft. Wave Detail: SE 4 ft at 7 seconds.
.FRI...E winds 10 to 15 kt. Seas 3 to 4 ft.
.FRI NIGHT AND SAT...S winds 10 to 15 kt, becoming SW. Gusts up
to 20 kt. Seas 3 to 4 ft. A chance of showers.
.SAT NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 4 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.

$$

ANZ232-170600-
Nantucket Sound-
101 PM EDT Tue Apr 16 2024

.THIS AFTERNOON...SW winds 5 to 10 kt. Seas around 2 ft. Wave
Detail: W 1 ft at 4 seconds and SE 1 ft at 9 seconds.
.TONIGHT...SW winds 5 to 10 kt, becoming N after midnight. Seas
around 2 ft. Wave Detail: SW 1 ft at 6 seconds and SE 1 ft at
9 seconds.
.WED...N winds 5 to 10 kt, becoming E in the afternoon. Seas
around 2 ft. Wave Detail: SW 1 ft at 6 seconds and NE 1 ft at
8 seconds.
.WED NIGHT...SE winds 5 to 10 kt. Seas around 2 ft in the
evening, then 1 foot or less. Wave Detail: SE 1 ft at 6 seconds.
.THU AND THU NIGHT...E winds 10 to 15 kt. Seas 1 foot or less.
Wave Detail: SE 1 ft at 6 seconds.
.FRI...E winds around 10 kt. Seas 1 foot or less. Wave Detail: SE
1 ft at 6 seconds.
.FRI NIGHT AND SAT...S winds 10 to 15 kt, becoming SW. Gusts up
to 20 kt. Seas around 2 ft. A chance of showers.
.SAT NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas
around 2 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.

$$

ANZ233-170600-
Vineyard Sound-
101 PM EDT Tue Apr 16 2024

.THIS AFTERNOON...SW winds 5 to 10 kt with gusts up to 20 kt.
Seas around 2 ft. Wave Detail: SW 2 ft at 5 seconds and S 2 ft at
8 seconds.
.TONIGHT...W winds 5 to 10 kt, becoming NW after midnight. Seas
around 2 ft. Wave Detail: S 2 ft at 7 seconds.
.WED...NE winds 5 to 10 kt, becoming SE in the afternoon. Seas
around 2 ft. Wave Detail: SW 2 ft at 7 seconds and E 2 ft at
8 seconds.
.WED NIGHT...SE winds 5 to 10 kt. Seas around 2 ft in the
evening, then 1 foot or less. Wave Detail: SE 1 ft at 4 seconds
and SE 1 ft at 7 seconds. A chance of rain after midnight.
.THU...E winds 10 to 15 kt with gusts up to 20 kt. Seas around
2 ft. Wave Detail: SE 2 ft at 5 seconds. A chance of rain in the
morning.
.THU NIGHT...E winds 10 to 15 kt. Seas around 2 ft. Wave Detail:
SE 2 ft at 5 seconds.
.FRI...E winds around 10 kt. Seas around 2 ft.
.FRI NIGHT AND SAT...S winds 10 to 15 kt, becoming SW. Gusts up
to 20 kt. Seas around 2 ft. A chance of showers.
.SAT NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas
around 2 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.

$$

ANZ234-170600-
Buzzards Bay-
101 PM EDT Tue Apr 16 2024

.THIS AFTERNOON...SW winds 5 to 10 kt with gusts up to 20 kt.
Seas around 2 ft. Wave Detail: S 2 ft at 9 seconds and SW 1 ft at
5 seconds.
.TONIGHT...W winds 5 to 10 kt, becoming N after midnight. Seas
around 2 ft. Wave Detail: S 2 ft at 7 seconds.
.WED...NE winds 5 to 10 kt, becoming SE in the afternoon. Seas
around 2 ft. Wave Detail: SW 1 ft at 7 seconds and E 1 ft at
7 seconds.
.WED NIGHT...SE winds 5 to 10 kt. Seas around 2 ft in the
evening, then 1 foot or less. Wave Detail: SE 1 ft at 4 seconds
and SE 1 ft at 7 seconds, becoming SE 1 ft at 3 seconds and SE
1 ft at 7 seconds. A chance of rain after midnight.
.THU...E winds 10 to 15 kt. Gusts up to 20 kt in the morning.
Seas 1 foot or less, then around 2 ft in the afternoon. Wave
Detail: SE 1 ft at 5 seconds, becoming E 1 ft at 3 seconds and S
1 ft at 6 seconds.
.THU NIGHT...E winds 10 to 15 kt, diminishing to 5 to 10 kt after
midnight. Seas around 2 ft in the evening, then 1 foot or less.
Wave Detail: E 1 ft at 3 seconds and S 1 ft at 6 seconds.
.FRI...SE winds 5 to 10 kt. Seas 1 foot or less.
.FRI NIGHT AND SAT...S winds around 10 kt, becoming SW with gusts
up to 20 kt. Seas around 2 ft. A chance of showers.
.SAT NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas
around 2 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.

$$

ANZ235-170600-
Rhode Island Sound-
101 PM EDT Tue Apr 16 2024

.THIS AFTERNOON...SW winds 5 to 10 kt with gusts up to 20 kt.
Seas 2 to 3 ft. Wave Detail: S 3 ft at 8 seconds and SW 1 ft at
5 seconds.
.TONIGHT...W winds 5 to 10 kt, becoming NW after midnight. Seas
2 to 3 ft. Wave Detail: S 3 ft at 8 seconds.
.WED...NE winds 5 to 10 kt, becoming SE in the afternoon. Seas
2 to 3 ft. Wave Detail: SE 3 ft at 8 seconds and S 2 ft at
7 seconds.
.WED NIGHT...SE winds 5 to 10 kt. Seas around 2 ft. Wave Detail:
SE 2 ft at 5 seconds and SE 2 ft at 8 seconds. A chance of rain
after midnight.
.THU...E winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. Wave Detail: SE 3 ft at 6 seconds. A chance of rain in the
morning.
.THU NIGHT...E winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: SE
3 ft at 6 seconds.
.FRI...E winds around 10 kt. Seas 2 to 3 ft.
.FRI NIGHT AND SAT...S winds 10 to 15 kt, becoming SW. Gusts up
to 20 kt. Seas 2 to 3 ft. A chance of showers.
.SAT NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 3 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.

$$

ANZ237-170600-
Block Island Sound-
101 PM EDT Tue Apr 16 2024

.THIS AFTERNOON...W winds 10 to 15 kt with gusts up to 20 kt.
Seas 2 to 3 ft. Wave Detail: S 3 ft at 8 seconds and W 1 ft at
4 seconds.
.TONIGHT...W winds 5 to 10 kt, becoming NW after midnight. Seas
2 to 3 ft. Wave Detail: S 3 ft at 8 seconds and SW 2 ft at
8 seconds.
.WED...NE winds 5 to 10 kt, becoming SE in the afternoon. Seas
around 2 ft. Wave Detail: S 2 ft at 7 seconds and SE 2 ft at
8 seconds.
.WED NIGHT...S winds 5 to 10 kt, becoming SE 10 to 15 kt after
midnight. Seas around 2 ft. Wave Detail: S 2 ft at 7 seconds and
SE 2 ft at 8 seconds. A chance of rain in the evening, then rain
likely after midnight.
.THU AND THU NIGHT...E winds 10 to 15 kt with gusts up to 20 kt.
Seas 2 to 3 ft. Wave Detail: SE 3 ft at 6 seconds. Scattered
showers in the morning. Scattered showers in the evening.
.FRI...E winds around 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft
at 7 seconds.
.FRI NIGHT AND SAT...S winds around 10 kt, becoming W with gusts
up to 20 kt. Seas 2 to 3 ft. A chance of showers.
.SAT NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 3 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.

$$

ANZ230-170600-
Boston Harbor-
101 PM EDT Tue Apr 16 2024

.THIS AFTERNOON...NW winds 5 to 10 kt with gusts up to 20 kt.
Waves around 2 ft.
.TONIGHT...NW winds 5 to 10 kt, becoming N after midnight. Waves
around 2 ft in the evening, then 1 foot or less.
.WED...N winds around 5 kt, becoming E in the afternoon. Waves
1 foot or less, then around 2 ft in the afternoon.
.WED NIGHT...SE winds 5 to 10 kt. Waves around 2 ft in the
evening, then 1 foot or less.
.THU AND THU NIGHT...E winds 5 to 10 kt. Waves around 2 ft.
.FRI...SE winds 5 to 10 kt with gusts up to 20 kt. Waves around
2 ft.
.FRI NIGHT AND SAT...S winds around 10 kt, becoming W. Gusts up
to 20 kt. Waves around 2 ft. A chance of showers.
.SAT NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Waves
around 2 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.

$$

ANZ236-170600-
Narragansett Bay-
101 PM EDT Tue Apr 16 2024

.THIS AFTERNOON...NW winds 5 to 10 kt with gusts up to 20 kt.
Waves around 2 ft.
.TONIGHT...NW winds 5 to 10 kt. Waves around 2 ft.
.WED...NE winds around 5 kt, becoming S in the afternoon. Waves
around 2 ft.
.WED NIGHT...SE winds 5 to 10 kt. Waves around 2 ft. A chance of
rain after midnight.
.THU...E winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to
3 ft. A chance of rain in the morning.
.THU NIGHT...E winds 5 to 10 kt. Waves 2 to 3 ft.
.FRI...SE winds 5 to 10 kt. Waves 2 to 3 ft.
.FRI NIGHT AND SAT...S winds around 10 kt, becoming W with gusts
up to 20 kt. Waves 2 to 3 ft. A chance of showers.
.SAT NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Waves
around 2 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.

$$

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