Coastal Waters Forecast
Issued by NWS Boston, MA

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898
FZUS51 KBOX 130804
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
404 AM EDT Thu Jun 13 2024

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

ANZ200-132100-
404 AM EDT Thu Jun 13 2024

.Synopsis for Massachusetts and Rhode Island coastal waters...
High pressure will remain over the waters through Thu. Winds become
gusty out of the SW Thursday, before a cold front over the Great
Lakes is expected to cross the region Fri. Showers and Thunderstorms
will accompany the cold front. A tropical low may track well
southeast of New England Saturday, across Georges Bank and then
south of Nova Scotia.  High pressure then builds across the waters
Sunday and Monday.

$$

ANZ250-132100-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
404 AM EDT Thu Jun 13 2024

.TODAY...SW winds 5 to 10 kt, becoming S 10 to 15 kt with 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...S winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to
4 ft. Wave Detail: SW 3 ft at 4 seconds and SE 3 ft at 7 seconds.
.FRI...S winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to
4 ft. Wave Detail: SW 3 ft at 4 seconds and SE 3 ft at 7 seconds.
Scattered showers in the afternoon.
.FRI NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt,
becoming W after midnight. Seas 2 to 4 ft. Wave Detail: SW 3 ft
at 4 seconds and SE 3 ft at 7 seconds. Showers likely, mainly in
the evening. Vsby 1 to 3 NM.
.SAT...N winds around 10 kt with gusts up to 20 kt. Seas 2 to
3 ft. Wave Detail: N 2 ft at 4 seconds and SE 2 ft at 8 seconds.
A chance of showers in the morning.
.SAT NIGHT...NW winds 5 to 10 kt, becoming N 10 to 15 kt with
gusts up to 20 kt after midnight. Seas 2 to 3 ft. Wave Detail: N
2 ft at 5 seconds and SE 2 ft at 9 seconds.
.SUN THROUGH MON NIGHT...SW 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.

$$

ANZ251-132100-
Massachusetts Bay and Ipswich Bay-
404 AM EDT Thu Jun 13 2024

.TODAY...SW winds 5 to 10 kt, becoming S 10 to 15 kt with gusts
up to 20 kt this afternoon. Seas 1 foot or less, then around 2 ft
this afternoon. Wave Detail: SW 1 foot at 2 seconds and E 1 foot
at 8 seconds, becoming SE 2 ft at 8 seconds and SW 1 foot at
2 seconds.
.TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. Wave Detail: SE 3 ft at 6 seconds and S 2 ft at 3 seconds.
.FRI...S winds around 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. Wave Detail: SE 3 ft at 6 seconds and SW 2 ft at 3 seconds.
Scattered showers in the afternoon.
.FRI NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt,
becoming W 5 to 10 kt after midnight. Seas 2 to 3 ft. Wave
Detail: SW 2 ft at 3 seconds and SE 2 ft at 7 seconds. Showers
likely, mainly in the evening. Vsby 1 to 3 NM.
.SAT...N winds around 10 kt with gusts up to 20 kt. Seas around
2 ft. Wave Detail: N 2 ft at 3 seconds and E 2 ft at 8 seconds. A
chance of showers.
.SAT NIGHT...NW winds 5 to 10 kt, becoming N 10 to 15 kt with
gusts up to 20 kt after midnight. Seas around 2 ft. Wave Detail:
N 2 ft at 5 seconds and E 1 foot at 8 seconds.
.SUN THROUGH MON NIGHT...SW 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.

$$

ANZ231-132100-
Cape Cod Bay-
404 AM EDT Thu Jun 13 2024

.TODAY...SW winds 5 to 10 kt, becoming S 10 to 15 kt with gusts
up to 20 kt this afternoon. Seas 1 foot or less, then around 2 ft
this afternoon. Wave Detail: SW 1 foot at 2 seconds and SE 1 foot
at 8 seconds.
.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 SE 2 ft at 7 seconds.
.FRI...SW winds around 15 kt with gusts up to 25 kt. Seas 2 to
3 ft. Wave Detail: SW 2 ft at 3 seconds and SE 2 ft at 7 seconds.
.FRI NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt,
becoming W 5 to 10 kt after midnight. Seas 2 to 3 ft. Wave
Detail: SW 2 ft at 3 seconds and SE 2 ft at 6 seconds. A chance
of showers.
.SAT...N winds 5 to 10 kt with gusts up to 20 kt. Seas around
2 ft. Wave Detail: N 1 foot at 3 seconds and SE 1 foot at
7 seconds. A chance of showers.
.SAT NIGHT...N winds 5 to 10 kt. Gusts up to 20 kt after
midnight. Seas around 2 ft. Wave Detail: N 2 ft at 5 seconds and
SE 1 foot at 8 seconds.
.SUN THROUGH MON NIGHT...SW 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.

$$

ANZ254-132100-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
404 AM EDT Thu Jun 13 2024

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

$$

ANZ255-132100-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
404 AM EDT Thu Jun 13 2024

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

$$

ANZ256-132100-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
404 AM EDT Thu Jun 13 2024

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

$$

ANZ232-132100-
Nantucket Sound-
404 AM EDT Thu Jun 13 2024

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

$$

ANZ233-132100-
Vineyard Sound-
404 AM EDT Thu Jun 13 2024

.TODAY...SW winds 5 to 10 kt, increasing to 10 to 15 kt with
gusts up to 20 kt this afternoon. Seas 1 foot or less, then
around 2 ft this afternoon. Wave Detail: SW 1 foot at 4 seconds
and S 1 foot at 7 seconds, becoming SW 2 ft at 3 seconds and S
1 foot at 8 seconds.
.TONIGHT...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 S 1 foot at
8 seconds.
.FRI...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. Wave Detail: S 2 ft at 6 seconds.
.FRI NIGHT...SW winds 10 to 15 kt, becoming W 5 to 10 kt after
midnight. Seas 2 to 3 ft. Wave Detail: S 2 ft at 6 seconds. A
chance of showers.
.SAT...N winds 5 to 10 kt. Gusts up to 20 kt in the afternoon.
Seas around 2 ft. Wave Detail: N 1 foot at 4 seconds and S 1 foot
at 8 seconds. A chance of showers in the morning.
.SAT NIGHT...N winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S
2 ft at 8 seconds and NE 1 foot at 3 seconds.
.SUN THROUGH MON NIGHT...SW 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.

$$

ANZ234-132100-
Buzzards Bay-
404 AM EDT Thu Jun 13 2024

.TODAY...SW winds 5 to 10 kt, increasing to 10 to 15 kt with
gusts up to 20 kt this afternoon. Seas 1 foot or less, then
around 2 ft this afternoon. Wave Detail: SW 1 foot at 4 seconds
and S 1 foot at 7 seconds, becoming SW 2 ft at 3 seconds and S
1 foot at 7 seconds.
.TONIGHT...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 S 1 foot at
8 seconds.
.FRI...SW 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 S 1 foot at
7 seconds.
.FRI NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt,
becoming W 5 to 10 kt after midnight. Seas 2 to 3 ft. Wave
Detail: SW 2 ft at 4 seconds and S 1 foot at 7 seconds. A chance
of showers.
.SAT...N winds 5 to 10 kt. Gusts up to 20 kt in the afternoon.
Seas around 2 ft. Wave Detail: N 1 foot at 3 seconds and S 1 foot
at 8 seconds. A chance of showers in the morning.
.SAT NIGHT...N winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S
2 ft at 9 seconds and NE 1 foot at 3 seconds.
.SUN THROUGH MON NIGHT...SW 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.

$$

ANZ235-132100-
Rhode Island Sound-
404 AM EDT Thu Jun 13 2024

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

$$

ANZ237-132100-
Block Island Sound-
404 AM EDT Thu Jun 13 2024

.TODAY...SW winds 5 to 10 kt, increasing to 10 to 15 kt with
gusts up to 20 kt this afternoon. Seas around 2 ft. Wave Detail:
SW 2 ft at 3 seconds and S 2 ft at 7 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 S
2 ft at 8 seconds.
.FRI...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. Wave Detail: S 3 ft at 6 seconds.
.FRI NIGHT...SW winds 5 to 10 kt, becoming NW after midnight.
Seas 2 to 3 ft. Wave Detail: SW 2 ft at 4 seconds and SE 2 ft at
7 seconds. Showers likely, mainly in the evening with vsby 1 to
3 NM.
.SAT...N winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 2 ft
at 8 seconds and W 1 foot at 5 seconds. A chance of showers in
the afternoon.
.SAT NIGHT...N winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S
3 ft at 8 seconds and N 1 foot at 3 seconds.
.SUN THROUGH MON NIGHT...SW winds 5 to 10 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.

$$

ANZ230-132100-
Boston Harbor-
404 AM EDT Thu Jun 13 2024

.TODAY...SW winds 5 to 10 kt, becoming S this afternoon. Waves
1 foot or less.
.TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Waves
around 2 ft.
.FRI...SW winds 10 to 15 kt with gusts up to 20 kt. Waves around
2 ft. Scattered showers in the afternoon.
.FRI NIGHT...SW winds 10 to 15 kt, becoming W 5 to 10 kt after
midnight. Waves around 2 ft in the evening, then 1 foot or less.
Showers. Vsby 1 to 3 NM.
.SAT...N winds around 10 kt. Waves around 2 ft. A chance of
showers.
.SAT NIGHT...NW winds 5 to 10 kt. Waves 1 foot or less, then
around 2 ft after midnight.
.SUN THROUGH MON NIGHT...SW 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.

$$

ANZ236-132100-
Narragansett Bay-
404 AM EDT Thu Jun 13 2024

.TODAY...SW winds 5 to 10 kt, becoming S 10 to 15 kt with gusts
up to 20 kt this afternoon. Waves 1 foot or less, then around
2 ft this afternoon.
.TONIGHT...SW winds around 10 kt. Gusts up to 20 kt in the
evening. Waves around 2 ft.
.FRI...SW winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to
3 ft.
.FRI NIGHT...SW winds 5 to 10 kt, becoming NW after midnight.
Waves 2 to 3 ft. Showers likely, mainly in the evening with vsby
1 to 3 NM.
.SAT...N winds 5 to 10 kt. Waves around 2 ft. A chance of
showers.
.SAT NIGHT...N winds 5 to 10 kt. Waves around 2 ft in the
evening, then 1 foot or less.
.SUN THROUGH MON NIGHT...SW 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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