500
FZUS51 KBOX 281704
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
103 PM EDT Sun Apr 28 2024

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

ANZ200-290600-
103 PM EDT Sun Apr 28 2024

.Synopsis for Massachusetts and Rhode Island coastal waters...
High pres moves further offshore today.  A cold front will drop
south across northern New Eng tonight and move into the waters
Monday, then stall to the west Mon night and Tue. Low pres tracks
south of New Eng Tue night into Wed, then high pres will follow for
Thu and Fri.

$$

ANZ250-290600-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
103 PM EDT Sun Apr 28 2024

.THIS AFTERNOON...S 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 E 2 ft at
10 seconds.
.TONIGHT...S winds 10 to 15 kt, becoming W after midnight. Seas
2 to 3 ft. Wave Detail: S 3 ft at 4 seconds and E 2 ft at
10 seconds. Patchy fog after midnight with vsby 1 to 3 NM.
.MON...N winds 10 to 15 kt, becoming NE 5 to 10 kt in the
afternoon. Gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: NE
3 ft at 9 seconds and NW 2 ft at 3 seconds.
.MON NIGHT...W winds around 5 kt, becoming N after midnight. Seas
2 to 3 ft. Wave Detail: E 3 ft at 9 seconds and NW 1 ft at
3 seconds.
.TUE AND TUE NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. Wave
Detail: NE 3 ft at 8 seconds. A chance of rain. Vsby 1 to 3 NM.
.WED...E winds 5 to 10 kt. Seas around 2 ft. Wave Detail: E 2 ft
at 3 seconds and E 2 ft at 8 seconds. A chance of rain.
.WED NIGHT THROUGH THU NIGHT...S 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.

$$

ANZ251-290600-
Massachusetts Bay and Ipswich Bay-
103 PM EDT Sun Apr 28 2024

.THIS AFTERNOON...S winds around 10 kt. Seas around 2 ft. Wave
Detail: S 2 ft at 3 seconds and E 2 ft at 10 seconds.
.TONIGHT...S winds around 10 kt, becoming W after midnight. Seas
around 2 ft. Wave Detail: S 2 ft at 3 seconds and E 2 ft at
10 seconds. A chance of showers in the evening. Patchy fog after
midnight with vsby 1 to 3 NM.
.MON...N winds around 10 kt, becoming NE in the afternoon. Gusts
up to 20 kt. Seas around 2 ft. Wave Detail: NW 2 ft at 3 seconds
and NE 2 ft at 8 seconds.
.MON NIGHT...S winds 5 to 10 kt, becoming NE 10 to 15 kt after
midnight. Seas around 2 ft. Wave Detail: E 2 ft at 9 seconds.
.TUE AND TUE NIGHT...SE winds 10 to 15 kt. Seas around 2 ft. Wave
Detail: NE 2 ft at 8 seconds. A chance of rain.
.WED...E winds 5 to 10 kt. Seas around 2 ft. Wave Detail: E 2 ft
at 7 seconds and SE 1 ft at 3 seconds. A chance of rain.
.WED NIGHT THROUGH THU NIGHT...S winds 10 to 15 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.

$$

ANZ231-290600-
Cape Cod Bay-
103 PM EDT Sun Apr 28 2024

.THIS AFTERNOON...SW winds 10 to 15 kt with gusts up to 20 kt.
Seas around 2 ft. Wave Detail: SW 1 ft at 3 seconds and E 1 ft at
9 seconds.
.TONIGHT...SW winds 10 to 15 kt, becoming W after midnight. Seas
around 2 ft. Wave Detail: SW 1 ft at 3 seconds and E 1 ft at
10 seconds. Patchy fog after midnight with vsby 1 to 3 NM.
.MON...N winds 5 to 10 kt with gusts up to 20 kt. Seas around
2 ft. Wave Detail: E 2 ft at 10 seconds and NW 1 ft at 3 seconds.
.MON NIGHT...E winds around 5 kt, becoming N after midnight. Seas
around 2 ft. Wave Detail: NE 2 ft at 7 seconds and NW 1 ft at
4 seconds.
.TUE AND TUE NIGHT...SE winds 5 to 10 kt. Seas around 2 ft. Wave
Detail: NE 2 ft at 4 seconds. A chance of rain.
.WED...E winds 5 to 10 kt. Seas around 2 ft. Wave Detail: E 1 ft
at 2 seconds and NE 1 ft at 6 seconds. A chance of rain.
.WED NIGHT THROUGH THU NIGHT...S winds 5 to 10 kt. Seas 1 foot or
less.

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.

$$

ANZ254-290600-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
103 PM EDT Sun Apr 28 2024

.THIS AFTERNOON...SW winds 10 to 15 kt with gusts up to 20 kt.
Seas around 3 ft. Wave Detail: SW 2 ft at 4 seconds and E 2 ft at
10 seconds.
.TONIGHT...SW winds 10 to 15 kt, becoming W after midnight. Seas
2 to 3 ft. Wave Detail: E 3 ft at 10 seconds and SW 2 ft at
4 seconds. Patchy fog after midnight with vsby 1 to 3 NM.
.MON...N winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft. Wave Detail: NE 4 ft at 11 seconds and NW 3 ft at
4 seconds.
.MON NIGHT...N winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: E
4 ft at 10 seconds and SW 2 ft at 6 seconds.
.TUE...NE winds 5 to 10 kt. Seas around 3 ft. Wave Detail: NE
3 ft at 9 seconds and S 2 ft at 6 seconds.
.TUE NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: NE
3 ft at 9 seconds and S 1 ft at 6 seconds. A chance of rain.
.WED...E winds 5 to 10 kt. Seas 2 to 3 ft. A chance of rain.
.WED NIGHT THROUGH THU NIGHT...S winds 5 to 10 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.

$$

ANZ255-290600-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
103 PM EDT Sun Apr 28 2024

.THIS AFTERNOON...SW winds 10 to 15 kt with gusts up to 20 kt.
Seas 2 to 3 ft. Wave Detail: SW 2 ft at 4 seconds and E 2 ft at
9 seconds.
.TONIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: SW
2 ft at 4 seconds and E 2 ft at 10 seconds. Patchy fog after
midnight with vsby 1 to 3 NM.
.MON...NW winds 10 to 15 kt, becoming N in the afternoon. Gusts
up to 20 kt. Seas 2 to 4 ft. Wave Detail: W 3 ft at 4 seconds and
E 3 ft at 10 seconds.
.MON NIGHT...E winds 5 to 10 kt, becoming NW after midnight. Seas
2 to 4 ft. Wave Detail: E 3 ft at 11 seconds and SW 2 ft at
6 seconds.
.TUE...E winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at
10 seconds and SW 2 ft at 6 seconds.
.TUE NIGHT...SE winds around 10 kt. Seas 2 to 3 ft. Wave Detail:
E 3 ft at 9 seconds and SE 2 ft at 5 seconds. A chance of rain.
.WED...E winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. A chance of rain.
.WED NIGHT THROUGH THU NIGHT...S winds 10 to 15 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.

$$

ANZ256-290600-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
103 PM EDT Sun Apr 28 2024

.THIS AFTERNOON...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 E 2 ft at
9 seconds.
.TONIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: S
2 ft at 4 seconds and E 2 ft at 9 seconds. A chance of showers in
the evening. Patchy fog after midnight. Vsby 1 to 3 NM,
decreasing to 1 NM or less after midnight.
.MON...NW winds around 10 kt, becoming E in the afternoon. Seas
2 to 3 ft. Wave Detail: SW 2 ft at 5 seconds and E 2 ft at
10 seconds. Patchy fog in the morning with vsby 1 to 3 NM.
.MON NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E
3 ft at 11 seconds and S 2 ft at 6 seconds.
.TUE...E winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S 2 ft
at 6 seconds and E 2 ft at 11 seconds.
.TUE NIGHT...E winds around 10 kt. Seas 2 to 3 ft. Wave Detail: S
2 ft at 5 seconds and E 2 ft at 8 seconds. A chance of rain.
.WED...E winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. A chance of rain.
.WED NIGHT THROUGH THU NIGHT...S winds 10 to 15 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.

$$

ANZ232-290600-
Nantucket Sound-
103 PM EDT Sun Apr 28 2024

.THIS AFTERNOON...SW winds around 15 kt with gusts up to 25 kt.
Seas around 2 ft. Wave Detail: SW 2 ft at 4 seconds and E 1 ft at
10 seconds.
.TONIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Seas around 2 ft. Wave Detail: SW 2 ft at 4 seconds and
E 1 ft at 10 seconds. Patchy fog after midnight with vsby 1 to
3 NM.
.MON...N winds 10 to 15 kt with gusts up to 20 kt. Seas around
2 ft. Wave Detail: NW 2 ft at 3 seconds and NE 2 ft at 9 seconds.
.MON NIGHT...NE winds 5 to 10 kt, becoming NW after midnight.
Seas around 2 ft in the evening, then 1 foot or less. Wave
Detail: NE 2 ft at 10 seconds and SW 1 ft at 5 seconds, becoming
SW 1 ft at 6 seconds and E 1 ft at 11 seconds.
.TUE...E winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: S
1 ft at 6 seconds and E 1 ft at 11 seconds.
.TUE NIGHT...SE winds 5 to 10 kt. Seas 1 foot or less, then
around 2 ft after midnight. Wave Detail: SE 1 ft at 3 seconds and
E 1 ft at 9 seconds. A chance of rain.
.WED...E winds 10 to 15 kt. Seas around 2 ft. A chance of rain.
.WED NIGHT THROUGH THU NIGHT...SW winds 5 to 10 kt. Seas 1 foot
or less.

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.

$$

ANZ233-290600-
Vineyard Sound-
103 PM EDT Sun Apr 28 2024

.THIS AFTERNOON...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 ft
at 9 seconds.
.TONIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW
2 ft at 4 seconds and SE 1 ft at 9 seconds. A chance of showers
in the evening. Patchy fog after midnight. Vsby 1 to 3 NM.
.MON...N winds 5 to 10 kt, becoming NE in the afternoon. Seas
around 2 ft. Wave Detail: W 1 ft at 4 seconds and E 1 ft at
10 seconds.
.MON NIGHT...SE winds 5 to 10 kt, becoming W after midnight. Seas
around 2 ft in the evening, then 1 foot or less. Wave Detail: S
1 ft at 5 seconds and NE 1 ft at 5 seconds, becoming SW 1 ft at
6 seconds and E 1 ft at 9 seconds.
.TUE AND TUE NIGHT...E winds 5 to 10 kt. Seas 1 foot or less.
Wave Detail: SE 1 ft at 6 seconds and E 1 ft at 10 seconds. A
chance of rain.
.WED...E winds around 10 kt. Seas 1 foot or less. Wave Detail: SE
1 ft at 4 seconds and E 1 ft at 8 seconds. A chance of rain.
.WED NIGHT THROUGH THU NIGHT...SW winds 5 to 10 kt. Seas 1 foot
or less.

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.

$$

ANZ234-290600-
Buzzards Bay-
103 PM EDT Sun Apr 28 2024

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

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.

$$

ANZ235-290600-
Rhode Island Sound-
103 PM EDT Sun Apr 28 2024

.THIS AFTERNOON...SW winds 10 to 15 kt with gusts up to 20 kt.
Seas around 2 ft. Wave Detail: S 2 ft at 4 seconds and SE 2 ft at
9 seconds.
.TONIGHT...SW winds 10 to 15 kt, becoming W 5 to 10 kt after
midnight. Seas around 2 ft. Wave Detail: S 2 ft at 4 seconds and
SE 2 ft at 9 seconds. A chance of showers in the evening. Patchy
fog after midnight. Vsby 1 to 3 NM.
.MON...NW winds 5 to 10 kt, becoming NE in the afternoon. Seas
around 2 ft. Wave Detail: SW 2 ft at 4 seconds and SE 1 ft at
10 seconds.
.MON NIGHT...SE winds 5 to 10 kt. Seas around 2 ft. Wave Detail:
S 2 ft at 6 seconds and E 1 ft at 10 seconds.
.TUE AND TUE NIGHT...E winds 5 to 10 kt. Seas around 2 ft. Wave
Detail: SE 2 ft at 6 seconds and E 1 ft at 11 seconds. A chance
of rain.
.WED...E winds around 10 kt. Seas around 2 ft. Wave Detail: E
2 ft at 6 seconds. A chance of rain.
.WED NIGHT THROUGH THU NIGHT...SW winds 5 to 10 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.

$$

ANZ237-290600-
Block Island Sound-
103 PM EDT Sun Apr 28 2024

.THIS AFTERNOON...SW winds 10 to 15 kt with gusts up to 20 kt.
Seas around 2 ft. Wave Detail: S 2 ft at 4 seconds and SE 2 ft at
9 seconds.
.TONIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW
2 ft at 4 seconds and SE 2 ft at 9 seconds. A chance of showers
in the evening. Patchy fog after midnight. Vsby 1 to 3 NM,
decreasing to 1 NM or less after midnight.
.MON...NW winds 5 to 10 kt, becoming SW in the afternoon. Seas
around 2 ft. Wave Detail: W 2 ft at 4 seconds and E 2 ft at
10 seconds.
.MON NIGHT...SE winds 5 to 10 kt, diminishing to around 5 kt
after midnight. Seas around 2 ft. Wave Detail: S 2 ft at
5 seconds and E 2 ft at 10 seconds.
.TUE AND TUE NIGHT...E winds 5 to 10 kt. Seas around 2 ft. Wave
Detail: SE 2 ft at 6 seconds and E 2 ft at 12 seconds. A chance
of rain.
.WED...NE winds around 10 kt. Seas 2 to 3 ft. Wave Detail: SE
2 ft at 6 seconds. A chance of rain.
.WED NIGHT THROUGH THU NIGHT...SW winds 5 to 10 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.

$$

ANZ230-290600-
Boston Harbor-
103 PM EDT Sun Apr 28 2024

.THIS AFTERNOON...S winds around 10 kt. Waves 1 foot or less.
.TONIGHT...SW winds around 10 kt, becoming W after midnight.
Waves 1 foot or less. A chance of showers in the evening. Patchy
fog after midnight with vsby 1 to 3 NM.
.MON...N winds 10 to 15 kt, becoming NE in the afternoon. Waves
around 2 ft.
.MON NIGHT...SE winds 5 to 10 kt, becoming E 10 to 15 kt after
midnight. Waves around 2 ft in the evening, then 1 foot or less.
A chance of rain after midnight.
.TUE AND TUE NIGHT...SE winds 10 to 15 kt. Waves around 2 ft. A
chance of rain.
.WED...E winds around 10 kt. Waves 1 foot or less. A chance of
rain.
.WED NIGHT THROUGH THU NIGHT...S winds 5 to 10 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.

$$

ANZ236-290600-
Narragansett Bay-
103 PM EDT Sun Apr 28 2024

.THIS AFTERNOON...S winds 10 to 15 kt with gusts up to 20 kt.
Waves around 2 ft.
.TONIGHT...SW winds 5 to 10 kt, becoming W after midnight. Waves
around 2 ft in the evening, then 1 foot or less. A chance of
showers in the evening. Patchy fog after midnight. Vsby 1 to
3 NM, decreasing to 1 NM or less after midnight.
.MON...NW winds 5 to 10 kt, becoming NE in the afternoon. Waves
1 foot or less.
.MON NIGHT...SE winds 5 to 10 kt. Waves around 2 ft.
.TUE AND TUE NIGHT...E winds 10 to 15 kt. Waves around 2 ft. A
chance of rain.
.WED...NE winds 5 to 10 kt. Waves around 2 ft. A chance of rain.
.WED NIGHT THROUGH THU NIGHT...SW winds 5 to 10 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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