Text Products for CWF Issued by BOX

Coastal Waters Forecast
Issued by NWS Boston, MA
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FZUS51 KBOX 200802
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
402 AM EDT Sat Apr 20 2024

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

ANZ200-202100-
402 AM EDT Sat Apr 20 2024

.Synopsis for Massachusetts and Rhode Island coastal waters...
A cold front brings showers and a period of breezy conditions for
today. High pres then returns for Sun and Mon bringing westerly
winds. The high moves overhead on Tue.

$$

ANZ250-202100-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
402 AM EDT Sat Apr 20 2024

.TODAY...SW winds 5 to 10 kt. Gusts up to 20 kt this morning.
Seas 2 to 3 ft. Wave Detail: S 3 ft at 4 seconds and E 1 ft at
4 seconds. Patchy fog. Showers, mainly this morning. Vsby 1 NM or
less.
.TONIGHT...W winds 10 to 15 kt, becoming NW after midnight. Gusts
up to 25 kt. Seas 2 to 4 ft. Wave Detail: W 3 ft at 4 seconds and
SE 2 ft at 5 seconds. Patchy fog in the evening with vsby 1 NM or
less.
.SUN...W winds around 10 kt, becoming SW in the afternoon. Gusts
up to 20 kt. Seas 2 to 4 ft. Wave Detail: W 3 ft at 4 seconds and
SE 2 ft at 6 seconds.
.SUN NIGHT...W winds 10 to 15 kt with gusts up to 25 kt. Seas
2 to 3 ft. Wave Detail: SW 2 ft at 4 seconds and SE 2 ft at
7 seconds.
.MON...W winds 15 to 20 kt, becoming NW 10 to 15 kt in the
afternoon. Gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: NW
2 ft at 3 seconds and SE 1 ft at 6 seconds.
.MON NIGHT...W winds around 10 kt with gusts up to 20 kt. Seas
2 to 3 ft.
.TUE AND TUE NIGHT...S winds 15 to 20 kt with gusts up to 30 kt.
Seas 2 to 4 ft.
.WED AND WED NIGHT...S winds 15 to 20 kt, becoming SW. Gusts up
to 30 kt. Seas 3 to 5 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.

$$

ANZ251-202100-
Massachusetts Bay and Ipswich Bay-
402 AM EDT Sat Apr 20 2024

.TODAY...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft
at 4 seconds and E 1 ft at 5 seconds. Patchy fog. Showers this
morning. A slight chance of showers this afternoon. Vsby 1 to
3 NM.
.TONIGHT...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 SE 1 ft at
5 seconds.
.SUN...W winds around 10 kt. Gusts up to 20 kt in the afternoon.
Seas around 2 ft. Wave Detail: W 2 ft at 3 seconds and SE 1 ft at
6 seconds.
.SUN NIGHT...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 SE 1 ft at
6 seconds.
.MON...NW winds 10 to 15 kt with gusts up to 20 kt. Seas around
2 ft. Wave Detail: W 1 ft at 3 seconds and SE 1 ft at 6 seconds.
.MON NIGHT...NW winds 5 to 10 kt, becoming W after midnight. Seas
around 2 ft.
.TUE AND TUE NIGHT...S winds 10 to 15 kt with gusts up to 25 kt.
Seas 2 to 3 ft.
.WED...S winds around 15 kt with gusts up to 25 kt. Seas 2 to
3 ft. A chance of showers.
.WED NIGHT...W winds 15 to 20 kt with gusts up to 30 kt. Seas
2 to 4 ft. Showers likely.

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.

$$

ANZ231-202100-
Cape Cod Bay-
402 AM EDT Sat Apr 20 2024

.TODAY...SW winds around 5 kt. Seas around 2 ft. Wave Detail: S
2 ft at 4 seconds and E 1 ft at 4 seconds. Patchy fog. Showers.
Vsby 1 NM or less.
.TONIGHT...W winds 5 to 10 kt, becoming NW after midnight. Gusts
up to 20 kt. Seas around 2 ft. Wave Detail: W 2 ft at 3 seconds
and SE 1 ft at 6 seconds.
.SUN...W winds 5 to 10 kt, becoming SW with gusts up to 20 kt in
the afternoon. Seas around 2 ft. Wave Detail: NW 2 ft at
4 seconds and SE 1 ft at 6 seconds.
.SUN NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas
around 2 ft. Wave Detail: SW 1 ft at 3 seconds and SE 1 ft at
6 seconds.
.MON...NW winds 10 to 15 kt with gusts up to 20 kt, becoming N in
the afternoon. Seas around 2 ft. Wave Detail: NW 1 ft at
3 seconds and SE 1 ft at 6 seconds.
.MON NIGHT...SE winds 5 to 10 kt. Seas 1 foot or less.
.TUE...S winds 10 to 15 kt with gusts up to 20 kt. Seas around
2 ft.
.TUE NIGHT...S winds around 15 kt with gusts up to 25 kt. Seas
2 to 4 ft.
.WED...S winds around 15 kt with gusts up to 25 kt. Seas around
2 ft. A chance of showers.
.WED NIGHT...SW winds 15 to 20 kt with gusts up to 30 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.

$$

ANZ254-202100-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
402 AM EDT Sat Apr 20 2024

.TODAY...S winds 5 to 10 kt, becoming W this afternoon. Seas 2 to
3 ft. Wave Detail: S 3 ft at 4 seconds and E 2 ft at 11 seconds.
Patchy fog. Showers. Vsby 1 NM or less.
.TONIGHT...SW winds 5 to 10 kt, becoming NW after midnight. Gusts
up to 20 kt. Seas 2 to 4 ft. Wave Detail: NW 3 ft at 4 seconds
and SE 3 ft at 6 seconds. Patchy fog in the evening with vsby
1 NM or less.
.SUN...NW winds 5 to 10 kt, becoming SW with gusts up to 20 kt in
the afternoon. Seas 3 to 4 ft. Wave Detail: NW 3 ft at 4 seconds
and SE 2 ft at 6 seconds.
.SUN NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 4 ft. Wave Detail: S 2 ft at 5 seconds and E 1 ft at
11 seconds.
.MON...NW winds 10 to 15 kt with gusts up to 20 kt, becoming N in
the afternoon. Seas 2 to 3 ft. Wave Detail: NW 2 ft at 4 seconds
and SE 1 ft at 6 seconds.
.MON NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft.
.TUE AND TUE NIGHT...S winds 10 to 15 kt with gusts up to 25 kt.
Seas 2 to 3 ft.
.WED AND WED NIGHT...S winds around 15 kt, becoming SW. Gusts up
to 25 kt. Seas 3 to 5 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.

$$

ANZ255-202100-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
402 AM EDT Sat Apr 20 2024

.TODAY...S winds 5 to 10 kt, becoming W this afternoon. Seas 2 to
3 ft. Wave Detail: SE 3 ft at 6 seconds and W 2 ft at 4 seconds.
Patchy fog. A chance of showers this morning. Showers likely this
afternoon. Vsby 1 NM or less.
.TONIGHT...W winds 5 to 10 kt, becoming NW after midnight. Gusts
up to 20 kt. Seas 2 to 4 ft. Wave Detail: W 3 ft at 5 seconds and
SE 3 ft at 7 seconds. Patchy fog in the evening with vsby 1 NM or
less.
.SUN...NW winds around 10 kt, becoming W in the afternoon. Gusts
up to 20 kt. Seas 2 to 3 ft. Wave Detail: W 3 ft at 5 seconds and
SE 2 ft at 6 seconds.
.SUN NIGHT...SW winds 15 to 20 kt, becoming W 10 to 15 kt after
midnight. Gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: W 3 ft
at 5 seconds and SE 2 ft at 7 seconds.
.MON...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 ft at
7 seconds.
.MON NIGHT...S winds around 10 kt, becoming SE after midnight.
Seas around 2 ft.
.TUE THROUGH WED...S winds 10 to 15 kt with gusts up to 20 kt.
Seas 2 to 4 ft.
.WED NIGHT...SW winds around 15 kt with gusts up to 25 kt. Seas
3 to 5 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.

$$

ANZ256-202100-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
402 AM EDT Sat Apr 20 2024

.TODAY...SW winds 5 to 10 kt, becoming W this afternoon. Seas
3 to 4 ft. Wave Detail: SE 3 ft at 7 seconds and W 2 ft at
4 seconds. Patchy fog. Showers likely. Vsby 1 NM or less.
.TONIGHT...W winds around 10 kt, becoming NW after midnight.
Gusts up to 25 kt. Seas around 3 ft. Wave Detail: W 3 ft at
4 seconds and SE 3 ft at 7 seconds. Patchy fog in the evening
with vsby 1 NM or less.
.SUN...NW winds around 10 kt, becoming W with gusts up to 20 kt
in the afternoon. Seas 2 to 3 ft. Wave Detail: NW 3 ft at
4 seconds and SE 2 ft at 7 seconds.
.SUN NIGHT...W winds 10 to 15 kt with gusts up to 25 kt. Seas
2 to 4 ft. Wave Detail: W 3 ft at 4 seconds and SE 2 ft at
7 seconds.
.MON...W winds 10 to 15 kt. Gusts up to 20 kt in the morning.
Seas 2 to 3 ft. Wave Detail: NW 2 ft at 4 seconds and SE 1 ft at
7 seconds.
.MON NIGHT...W winds 10 to 15 kt, becoming E after midnight. Seas
around 2 ft.
.TUE AND TUE NIGHT...S winds 10 to 15 kt with gusts up to 20 kt.
Seas 2 to 3 ft.
.WED...S winds around 15 kt with gusts up to 25 kt. Seas 3 to
4 ft. A chance of showers.
.WED NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas
3 to 5 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.

$$

ANZ232-202100-
Nantucket Sound-
402 AM EDT Sat Apr 20 2024

.TODAY...S winds 5 to 10 kt, becoming W this afternoon. Seas
around 2 ft. Wave Detail: SW 2 ft at 4 seconds and E 1 ft at
5 seconds. Patchy fog. Showers. Vsby 1 NM or less.
.TONIGHT...W winds 5 to 10 kt, becoming NW with gusts up to 20 kt
after midnight. Seas around 2 ft. Wave Detail: W 2 ft at
4 seconds and SE 1 ft at 6 seconds. Patchy fog in the evening
with vsby 1 to 3 NM.
.SUN...NW winds 5 to 10 kt, becoming SW 10 to 15 kt with gusts up
to 20 kt in the afternoon. Seas around 2 ft. Wave Detail: W 2 ft
at 3 seconds and SE 1 ft at 6 seconds.
.SUN NIGHT...W winds 10 to 15 kt with gusts up to 25 kt. Seas
2 to 3 ft. Wave Detail: W 2 ft at 3 seconds and SE 1 ft at
6 seconds.
.MON...NW winds 10 to 15 kt with gusts up to 20 kt, diminishing
to 5 to 10 kt in the afternoon. Seas 1 foot or less. Wave Detail:
W 1 ft at 3 seconds and S 1 ft at 6 seconds.
.MON NIGHT...SE winds around 10 kt. Seas 1 foot or less.
.TUE AND TUE NIGHT...S winds 10 to 15 kt with gusts up to 20 kt.
Seas around 2 ft.
.WED AND WED NIGHT...S winds around 15 kt, becoming SW. Gusts up
to 25 kt. Seas 2 to 3 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.

$$

ANZ233-202100-
Vineyard Sound-
402 AM EDT Sat Apr 20 2024

.TODAY...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW
2 ft at 4 seconds and SE 2 ft at 6 seconds. Patchy fog. Showers.
Vsby 1 NM or less, increasing to 1 to 3 NM this afternoon.
.TONIGHT...W winds 5 to 10 kt, becoming NW after midnight. Gusts
up to 20 kt. Seas around 2 ft. Wave Detail: W 2 ft at 4 seconds
and S 2 ft at 7 seconds. Patchy fog in the evening.
.SUN...NW winds 5 to 10 kt, becoming SW 10 to 15 kt with gusts up
to 20 kt in the afternoon. Seas around 2 ft. Wave Detail: W 2 ft
at 4 seconds and S 1 ft at 7 seconds.
.SUN NIGHT...W winds 10 to 15 kt with gusts up to 25 kt. Seas
2 to 4 ft. Wave Detail: SW 2 ft at 4 seconds and S 1 ft at
7 seconds.
.MON...W winds 10 to 15 kt. Gusts up to 20 kt in the morning.
Seas 1 foot or less. Wave Detail: W 1 ft at 4 seconds and S 1 ft
at 7 seconds.
.MON NIGHT...S winds around 10 kt, becoming SE after midnight.
Seas 1 foot or less.
.TUE AND TUE NIGHT...S winds 10 to 15 kt with gusts up to 20 kt.
Seas around 2 ft.
.WED...S winds around 15 kt with gusts up to 20 kt. Seas around
2 ft. A chance of showers.
.WED NIGHT...W winds around 15 kt with gusts up to 25 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.

$$

ANZ234-202100-
Buzzards Bay-
402 AM EDT Sat Apr 20 2024

.TODAY...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW
2 ft at 3 seconds and SE 2 ft at 6 seconds. Patchy fog. Showers.
Vsby 1 NM or less, increasing to 1 to 3 NM this afternoon.
.TONIGHT...W winds 5 to 10 kt, becoming NW after midnight. Gusts
up to 20 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 5 seconds
and E 1 ft at 5 seconds.
.SUN...W winds 5 to 10 kt, becoming SW 10 to 15 kt with gusts up
to 20 kt in the afternoon. Seas around 2 ft. Wave Detail: W 2 ft
at 4 seconds and SE 1 ft at 6 seconds.
.SUN NIGHT...W winds 10 to 15 kt. Gusts up to 25 kt in the
evening. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 4 seconds and SE
1 ft at 7 seconds.
.MON...W winds 10 to 15 kt. Gusts up to 20 kt in the morning.
Seas 1 foot or less. Wave Detail: W 1 ft at 4 seconds and SE 1 ft
at 7 seconds.
.MON NIGHT...S winds 5 to 10 kt, becoming SE after midnight. Seas
1 foot or less.
.TUE AND TUE NIGHT...S winds 10 to 15 kt with gusts up to 20 kt.
Seas around 2 ft.
.WED AND WED NIGHT...S winds around 15 kt, becoming W. Gusts up
to 25 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.

$$

ANZ235-202100-
Rhode Island Sound-
402 AM EDT Sat Apr 20 2024

.TODAY...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE
3 ft at 7 seconds and SW 2 ft at 4 seconds. Patchy fog. Showers.
Vsby 1 NM or less.
.TONIGHT...W winds 5 to 10 kt with gusts up to 20 kt. Seas around
2 ft. Wave Detail: W 2 ft at 4 seconds and SE 2 ft at 7 seconds.
.SUN...NW winds 5 to 10 kt, becoming SW 10 to 15 kt with gusts up
to 20 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: W 2 ft at
4 seconds and SE 2 ft at 7 seconds.
.SUN NIGHT...W winds 10 to 15 kt with gusts up to 25 kt. Seas
2 to 3 ft. Wave Detail: W 2 ft at 4 seconds and SE 2 ft at
7 seconds.
.MON...W winds 10 to 15 kt. Gusts up to 20 kt in the morning.
Seas around 2 ft. Wave Detail: W 2 ft at 4 seconds and SE 1 ft at
7 seconds.
.MON NIGHT...W winds 5 to 10 kt, becoming E after midnight. Seas
around 2 ft.
.TUE AND TUE NIGHT...S winds 10 to 15 kt with gusts up to 20 kt.
Seas around 2 ft.
.WED AND WED NIGHT...S winds around 15 kt, becoming W. Gusts up
to 25 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.

$$

ANZ237-202100-
Block Island Sound-
402 AM EDT Sat Apr 20 2024

.TODAY...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE
3 ft at 7 seconds and W 2 ft at 3 seconds. Patchy fog. Showers
likely this morning. A chance of showers this afternoon. Vsby
1 NM or less.
.TONIGHT...W winds 5 to 10 kt with gusts up to 20 kt. Seas around
2 ft. Wave Detail: W 2 ft at 4 seconds and SE 2 ft at 7 seconds.
.SUN...W winds 5 to 10 kt, becoming SW 10 to 15 kt with gusts up
to 20 kt in the afternoon. Seas around 2 ft. Wave Detail: W 2 ft
at 3 seconds and SE 2 ft at 7 seconds.
.SUN NIGHT...W winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Seas 2 to 3 ft. Wave Detail: W 2 ft at 4 seconds and SE
2 ft at 7 seconds.
.MON...W winds 10 to 15 kt. Seas around 2 ft. Wave Detail: NW
1 ft at 3 seconds and SE 1 ft at 7 seconds.
.MON NIGHT...W winds 10 to 15 kt, becoming N 5 to 10 kt after
midnight. Seas around 2 ft.
.TUE AND TUE NIGHT...S winds 10 to 15 kt with gusts up to 20 kt.
Seas around 2 ft.
.WED AND WED NIGHT...S winds around 15 kt, becoming W. Gusts up
to 25 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.

$$

ANZ230-202100-
Boston Harbor-
402 AM EDT Sat Apr 20 2024

.TODAY...SW winds 5 to 10 kt. Waves 1 foot or less. Patchy fog.
Showers, mainly this morning. Vsby 1 to 3 NM.
.TONIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Waves
around 2 ft.
.SUN...W winds 10 to 15 kt. Gusts up to 20 kt in the afternoon.
Waves around 2 ft.
.SUN NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Waves
around 2 ft.
.MON...NW winds 10 to 15 kt. Gusts up to 20 kt in the morning.
Waves around 2 ft.
.MON NIGHT...NW winds 5 to 10 kt, becoming W after midnight.
Waves 1 foot or less.
.TUE AND TUE NIGHT...S winds 10 to 15 kt with gusts up to 25 kt.
Waves around 2 ft.
.WED...S winds around 15 kt with gusts up to 25 kt. Waves around
2 ft. A chance of showers.
.WED NIGHT...W winds around 15 kt with gusts up to 25 kt. Waves
around 2 ft. Showers likely.

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.

$$

ANZ236-202100-
Narragansett Bay-
402 AM EDT Sat Apr 20 2024

.TODAY...SW winds 5 to 10 kt. Waves around 2 ft. Patchy fog.
Showers, mainly this morning. Vsby 1 NM or less, increasing to
1 to 3 NM this afternoon.
.TONIGHT...W winds 10 to 15 kt, becoming NW 5 to 10 kt after
midnight. Gusts up to 20 kt. Waves around 2 ft.
.SUN...NW winds 5 to 10 kt, becoming W 10 to 15 kt with gusts up
to 20 kt in the afternoon. Waves around 2 ft.
.SUN NIGHT...W winds around 10 kt. Gusts up to 20 kt in the
evening. Waves 2 to 3 ft.
.MON...W winds around 10 kt. Waves around 2 ft in the morning,
then 1 foot or less.
.MON NIGHT...W winds 5 to 10 kt, becoming N after midnight. Waves
1 foot or less.
.TUE AND TUE NIGHT...S winds 10 to 15 kt with gusts up to 20 kt.
Waves around 2 ft.
.WED AND WED NIGHT...S winds around 15 kt, becoming W. Gusts up
to 25 kt. Waves 2 to 3 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.

$$

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