356
FZUS51 KBOX 040804
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
404 AM EDT Thu Jul 4 2024

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

ANZ200-042100-
404 AM EDT Thu Jul 4 2024

.Synopsis for Massachusetts and Rhode Island coastal waters...
High pressure moves east of the waters on Independence Day, with
gusty southwest winds and a low chance for an isolated shower or
thunderstorm both today and Friday. Unsettled weather returns this
weekend with periods of rain and thunderstorms Saturday and Saturday
night with the passage of a weak cold front. Drier conditions Sunday
into Monday, more unsettled weather by mid next week.

$$

ANZ250-042100-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
404 AM EDT Thu Jul 4 2024

.TODAY...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. Wave Detail: S 2 ft at 3 seconds and E 2 ft at 8 seconds.
.TONIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Seas 2 to 4 ft. Wave Detail: S 2 ft at 4 seconds and E
2 ft at 8 seconds. A chance of showers after midnight with vsby
1 to 3 NM.
.FRI...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at
8 seconds and SW 2 ft at 3 seconds. A chance of showers in the
morning with vsby 1 to 3 NM.
.FRI NIGHT...S winds around 10 kt. Seas 2 to 3 ft. Wave Detail: E
3 ft at 8 seconds and S 2 ft at 4 seconds. A chance of showers
after midnight.
.SAT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft. Wave Detail: S 3 ft at 4 seconds and E 3 ft at 8 seconds. A
chance of showers.
.SAT NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas
3 to 5 ft. Wave Detail: S 3 ft at 4 seconds and SE 3 ft at
7 seconds. A chance of showers.
.SUN AND SUN NIGHT...SW winds 5 to 10 kt. Seas 2 to 4 ft.
.MON AND MON 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.

$$

ANZ251-042100-
Massachusetts Bay and Ipswich Bay-
404 AM EDT Thu Jul 4 2024

.TODAY...S winds 10 to 15 kt. Gusts up to 20 kt this afternoon.
Seas around 2 ft. Wave Detail: S 2 ft at 3 seconds and E 2 ft at
8 seconds.
.TONIGHT...SW winds 5 to 10 kt. Gusts up to 20 kt in the evening.
Seas 2 to 3 ft. Wave Detail: S 2 ft at 3 seconds and E 2 ft at
8 seconds.
.FRI...S winds 5 to 10 kt. Seas around 2 ft. Wave Detail: E 2 ft
at 8 seconds and S 1 foot at 3 seconds.
.FRI NIGHT...S winds around 10 kt. Seas around 2 ft. Wave Detail:
S 2 ft at 4 seconds and E 2 ft at 8 seconds. A chance of showers
after midnight.
.SAT AND SAT NIGHT...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 3 ft at
8 seconds. A chance of showers.
.SUN THROUGH MON NIGHT...S winds 5 to 10 kt. Seas around 2 ft.
Wave Detail: SW 2 ft at 3 seconds and E 2 ft at 8 seconds.

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.

$$

ANZ231-042100-
Cape Cod Bay-
404 AM EDT Thu Jul 4 2024

.TODAY...S winds 5 to 10 kt, becoming SW 10 to 15 kt with gusts
up to 20 kt this afternoon. Seas around 2 ft. Wave Detail: SW
1 foot at 2 seconds and E 1 foot at 7 seconds.
.TONIGHT...SW 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: E 2 ft at 8 seconds and SW 1 foot at 3 seconds. A chance
of showers after midnight.
.FRI...S winds 5 to 10 kt. Seas around 2 ft in the morning, then
1 foot or less. Wave Detail: E 2 ft at 8 seconds and SW 1 foot at
2 seconds, becoming S 1 foot at 2 seconds and E 1 foot at
8 seconds. A chance of showers in the morning with vsby 1 to
3 NM.
.FRI NIGHT...S winds around 10 kt. Seas around 2 ft. Wave Detail:
E 2 ft at 8 seconds and S 1 foot at 2 seconds.
.SAT AND SAT NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt.
Seas 2 to 3 ft. Wave Detail: S 2 ft at 3 seconds and E 2 ft at
8 seconds. A chance of showers.
.SUN...SW winds around 10 kt. Seas around 2 ft. Wave Detail: SW
1 foot at 3 seconds and SE 1 foot at 8 seconds. A chance of
showers.
.SUN NIGHT THROUGH MON 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.

$$

ANZ254-042100-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
404 AM EDT Thu Jul 4 2024

.TODAY...S winds 10 to 15 kt. Gusts up to 20 kt this afternoon.
Seas 2 to 4 ft. Wave Detail: E 3 ft at 8 seconds and S 2 ft at
3 seconds.
.TONIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Seas 3 to 4 ft. Wave Detail: E 3 ft at 9 seconds and S
2 ft at 4 seconds. A chance of showers after midnight with vsby
1 to 3 NM.
.FRI...S winds around 10 kt. Seas 2 to 4 ft. Wave Detail: E 3 ft
at 8 seconds and S 2 ft at 4 seconds. A chance of showers in the
morning with vsby 1 to 3 NM.
.FRI NIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: S
3 ft at 4 seconds and E 2 ft at 8 seconds.
.SAT...S winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to
4 ft. Wave Detail: S 4 ft at 5 seconds and E 2 ft at 9 seconds.
.SAT NIGHT...S winds 15 to 20 kt with gusts up to 25 kt. Seas
4 to 5 ft. Wave Detail: S 4 ft at 5 seconds and SE 2 ft at
8 seconds. A chance of showers.
.SUN...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
5 ft. A chance of showers.
.SUN NIGHT AND MON...SW winds 5 to 10 kt. Seas 2 to 4 ft.
.MON 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.

$$

ANZ255-042100-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
404 AM EDT Thu Jul 4 2024

.TODAY...S winds 10 to 15 kt. Gusts up to 20 kt this afternoon.
Seas 2 to 3 ft. Wave Detail: E 3 ft at 9 seconds and SW 2 ft at
3 seconds.
.TONIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: E
3 ft at 9 seconds and SW 2 ft at 4 seconds. A chance of showers
after midnight with vsby 1 to 3 NM.
.FRI...SW winds around 10 kt. Seas 2 to 4 ft. Wave Detail: SW
3 ft at 5 seconds and E 3 ft at 8 seconds. A chance of showers in
the morning with vsby 1 to 3 NM.
.FRI NIGHT...S winds 10 to 15 kt. Seas 2 to 4 ft. Wave Detail: S
4 ft at 6 seconds and E 2 ft at 8 seconds.
.SAT...S winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to
5 ft. Wave Detail: S 5 ft at 7 seconds and E 2 ft at 9 seconds.
.SAT NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas
4 to 5 ft. Wave Detail: S 5 ft at 8 seconds and SE 2 ft at
9 seconds. A chance of showers.
.SUN...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
5 ft. A chance of showers.
.SUN NIGHT THROUGH MON NIGHT...SW winds 10 to 15 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.

$$

ANZ256-042100-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
404 AM EDT Thu Jul 4 2024

.TODAY...SW winds 10 to 15 kt. Gusts up to 20 kt this afternoon.
Seas 2 to 3 ft. Wave Detail: SW 2 ft at 3 seconds and SE 2 ft at
8 seconds.
.TONIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Seas 3 to 4 ft. Wave Detail: E 3 ft at 9 seconds and SW
2 ft at 4 seconds. A chance of showers after midnight with vsby
1 to 3 NM.
.FRI...SW winds around 10 kt. Seas 2 to 4 ft. Wave Detail: SW
3 ft at 5 seconds and E 3 ft at 8 seconds. A chance of showers in
the morning with vsby 1 to 3 NM.
.FRI NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: S
4 ft at 6 seconds and E 2 ft at 8 seconds. A chance of showers
after midnight.
.SAT...S winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. Gusts up to 25 kt. Seas 3 to 5 ft. Wave Detail: S 5 ft
at 7 seconds and E 2 ft at 8 seconds. A chance of showers.
.SAT NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas
5 to 6 ft. Wave Detail: S 5 ft at 8 seconds and SE 2 ft at
9 seconds. A chance of showers.
.SUN...SW winds 10 to 15 kt. Seas 4 to 5 ft. A chance of showers.
.SUN NIGHT THROUGH MON NIGHT...SW winds 5 to 10 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.

$$

ANZ232-042100-
Nantucket Sound-
404 AM EDT Thu Jul 4 2024

.TODAY...SW winds 10 to 15 kt. Gusts up to 20 kt this afternoon.
Seas around 2 ft. Wave Detail: SW 2 ft at 3 seconds and E 1 foot
at 8 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 foot at 9 seconds. A chance of showers after midnight with
vsby 1 to 3 NM.
.FRI...SW winds around 10 kt. Seas around 2 ft. Wave Detail: SW
2 ft at 3 seconds and E 1 foot at 8 seconds. A chance of showers
in the morning with vsby 1 to 3 NM.
.FRI NIGHT...S winds 10 to 15 kt. Seas around 2 ft. Wave Detail:
S 2 ft at 4 seconds and E 1 foot at 8 seconds.
.SAT AND SAT NIGHT...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 E 1 foot at
7 seconds. A chance of showers in the morning. A chance of
showers through the night.
.SUN...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. Wave Detail: SW 3 ft at 4 seconds and SE 1 foot at
8 seconds. A chance of showers.
.SUN NIGHT THROUGH MON NIGHT...SW 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.

$$

ANZ233-042100-
Vineyard Sound-
404 AM EDT Thu Jul 4 2024

.TODAY...SW winds 10 to 15 kt. Gusts up to 20 kt this afternoon.
Seas around 2 ft. Wave Detail: SW 2 ft at 3 seconds and SE 1 foot
at 8 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 foot at 9 seconds. A chance of showers after midnight with
vsby 1 to 3 NM.
.FRI...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW
2 ft at 5 seconds and E 1 foot at 8 seconds. A chance of showers
in the morning with vsby 1 to 3 NM.
.FRI NIGHT...S winds 10 to 15 kt. Seas around 2 ft. Wave Detail:
SW 2 ft at 5 seconds and E 1 foot at 8 seconds. A chance of
showers after midnight.
.SAT AND SAT NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt.
Seas 2 to 4 ft. Wave Detail: S 4 ft at 7 seconds and S 1 foot at
10 seconds. A chance of showers.
.SUN...SW winds around 10 kt. Seas 2 to 4 ft. Wave Detail: SW
3 ft at 7 seconds and SE 1 foot at 8 seconds. A chance of
showers.
.SUN NIGHT THROUGH MON NIGHT...SW 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.

$$

ANZ234-042100-
Buzzards Bay-
404 AM EDT Thu Jul 4 2024

.TODAY...SW winds 10 to 15 kt. Gusts up to 20 kt this afternoon.
Seas 2 to 3 ft. Wave Detail: SW 2 ft at 4 seconds and SE 1 foot
at 8 seconds.
.TONIGHT...SW 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: SW 2 ft at 4 seconds and E 1 foot at 9 seconds. A chance
of showers after midnight with vsby 1 to 3 NM.
.FRI...SW 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 E 1 foot at
8 seconds, becoming SW 1 foot at 5 seconds and E 1 foot at
8 seconds. A chance of showers in the morning with vsby 1 to
3 NM.
.FRI NIGHT...S winds around 10 kt. Seas around 2 ft. Wave Detail:
SW 2 ft at 5 seconds and E 1 foot at 8 seconds. A chance of
showers after midnight.
.SAT AND SAT NIGHT...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 8 seconds. A chance of showers.
.SUN...SW winds around 10 kt. Seas 2 to 3 ft. Wave Detail: SW
3 ft at 7 seconds and SE 1 foot at 8 seconds. A chance of
showers.
.SUN NIGHT THROUGH MON 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.

$$

ANZ235-042100-
Rhode Island Sound-
404 AM EDT Thu Jul 4 2024

.TODAY...SW winds 10 to 15 kt. Gusts up to 20 kt this afternoon.
Seas 2 to 3 ft. Wave Detail: SW 2 ft at 4 seconds and SE 2 ft at
9 seconds.
.TONIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 4 seconds and SE
2 ft at 9 seconds. A chance of showers after midnight with vsby
1 to 3 NM.
.FRI...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft
at 5 seconds and SE 2 ft at 8 seconds. A chance of showers in the
morning with vsby 1 to 3 NM.
.FRI NIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: S
3 ft at 5 seconds and SE 2 ft at 8 seconds. A chance of showers
after midnight.
.SAT AND SAT NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt.
Seas 3 to 5 ft. Wave Detail: S 5 ft at 7 seconds and SE 2 ft at
10 seconds. A chance of showers.
.SUN...SW winds 10 to 15 kt. Seas 3 to 5 ft. Wave Detail: S 4 ft
at 7 seconds and SE 1 foot at 8 seconds. A chance of showers.
.SUN NIGHT THROUGH MON NIGHT...SW 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.

$$

ANZ237-042100-
Block Island Sound-
404 AM EDT Thu Jul 4 2024

.TODAY...SW winds 10 to 15 kt. Gusts up to 20 kt this afternoon.
Seas 2 to 3 ft. Wave Detail: SW 2 ft at 3 seconds and SE 2 ft at
8 seconds.
.TONIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SW
2 ft at 4 seconds and SE 2 ft at 9 seconds. A chance of showers
after midnight with vsby 1 to 3 NM.
.FRI...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at
5 seconds and E 2 ft at 9 seconds. A chance of showers in the
morning with vsby 1 to 3 NM.
.FRI NIGHT...S winds around 10 kt. Seas 2 to 3 ft. Wave Detail:
SE 3 ft at 7 seconds and SE 1 foot at 11 seconds. A chance of
showers after midnight.
.SAT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft. Wave Detail: S 4 ft at 6 seconds and E 2 ft at 9 seconds. A
chance of showers.
.SAT NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 5 ft. Wave Detail: SW 4 ft at 7 seconds and SE 2 ft at
9 seconds. A chance of showers.
.SUN...SW winds around 10 kt. Seas 2 to 4 ft. A chance of
showers.
.SUN NIGHT THROUGH MON NIGHT...SW 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.

$$

ANZ230-042100-
Boston Harbor-
404 AM EDT Thu Jul 4 2024

.TODAY...SW winds around 10 kt. Gusts up to 20 kt this morning.
Waves 1 foot or less, then around 2 ft this afternoon.
.TONIGHT...SW winds 5 to 10 kt. Waves around 2 ft.
.FRI...SW winds around 5 kt, becoming SE in the afternoon. Waves
around 2 ft in the morning, then 1 foot or less.
.FRI NIGHT...S winds around 10 kt. Waves 1 foot or less. A chance
of showers after midnight.
.SAT AND SAT NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt.
Waves around 2 ft. A chance of showers.
.SUN THROUGH MON NIGHT...SW winds 5 to 10 kt. Waves 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.

$$

ANZ236-042100-
Narragansett Bay-
404 AM EDT Thu Jul 4 2024

.TODAY...SW winds 10 to 15 kt. Gusts up to 20 kt this afternoon.
Waves around 2 ft.
.TONIGHT...SW winds 5 to 10 kt. Gusts up to 20 kt in the evening.
Waves around 2 ft. A chance of showers after midnight.
.FRI...S winds 5 to 10 kt. Waves around 2 ft. A chance of showers
in the morning with vsby 1 to 3 NM.
.FRI NIGHT...S winds 5 to 10 kt. Waves 2 to 3 ft. A chance of
showers after midnight.
.SAT AND SAT NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt.
Waves 2 to 4 ft. A chance of showers.
.SUN AND SUN NIGHT...SW winds 5 to 10 kt. Waves 2 to 4 ft.
.MON AND MON 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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