714
FZUS51 KBOX 290804
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
404 AM EDT Wed May 29 2024

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

ANZ200-292100-
404 AM EDT Wed May 29 2024

.Synopsis for Massachusetts and Rhode Island coastal waters...
A cold front crosses the waters later today into tonight. A ridge of
high pres then builds in from the west late in the week into early
next week.

$$

ANZ250-292100-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
404 AM EDT Wed May 29 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 AM EDT EARLY THIS
MORNING...

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

$$

ANZ251-292100-
Massachusetts Bay and Ipswich Bay-
404 AM EDT Wed May 29 2024

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

$$

ANZ231-292100-
Cape Cod Bay-
404 AM EDT Wed May 29 2024

.TODAY...NW winds 5 to 10 kt, becoming SE this afternoon. Seas
around 2 ft. Wave Detail: SE 2 ft at 7 seconds and NW 1 foot at
3 seconds.
.TONIGHT...S winds around 5 kt, becoming NW after midnight. Seas
around 2 ft. Wave Detail: SE 2 ft at 8 seconds and S 1 foot at
2 seconds.
.THU...N winds 5 to 10 kt. Seas around 2 ft. Wave Detail: N
1 foot at 3 seconds and E 1 foot at 7 seconds. Showers likely,
mainly in the morning.
.THU NIGHT...N winds 5 to 10 kt. Seas around 2 ft. Wave Detail: N
1 foot at 5 seconds.
.FRI...N winds 5 to 10 kt. Seas around 2 ft. Wave Detail: N
1 foot at 3 seconds and NE 1 foot at 6 seconds.
.FRI NIGHT...NW winds 5 to 10 kt. Seas 1 foot or less. Wave
Detail: N 1 foot at 4 seconds.
.SAT THROUGH SUN 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.

$$

ANZ254-292100-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
404 AM EDT Wed May 29 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 AM EDT EARLY THIS
MORNING...

.TODAY...W winds 5 to 10 kt, becoming SW this afternoon. Seas
3 to 5 ft. Wave Detail: SE 5 ft at 8 seconds and W 1 foot at
3 seconds.
.TONIGHT...SW winds 5 to 10 kt. Seas 2 to 4 ft. Wave Detail: SE
4 ft at 8 seconds.
.THU...N winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft
at 8 seconds. A chance of showers. Patchy fog in the morning.
Vsby 1 to 3 NM.
.THU NIGHT...N winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE
3 ft at 7 seconds and N 1 foot at 4 seconds.
.FRI AND FRI NIGHT...NW winds 5 to 10 kt. Seas 2 to 3 ft. Wave
Detail: SE 2 ft at 7 seconds and N 1 foot at 3 seconds.
.SAT THROUGH SUN NIGHT...W winds 5 to 10 kt. Seas 2 to 4 ft. Wave
Detail: NE 3 ft at 6 seconds and NW 1 foot at 3 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.

$$

ANZ255-292100-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
404 AM EDT Wed May 29 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 AM EDT EARLY THIS
MORNING...

.TODAY...SW winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: S 4 ft
at 8 seconds and W 1 foot at 3 seconds.
.TONIGHT...SW winds 5 to 10 kt. Seas 2 to 4 ft. Wave Detail: S
4 ft at 8 seconds.
.THU...N winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft
at 7 seconds. Patchy fog. A chance of showers in the morning.
Vsby 1 to 3 NM.
.THU NIGHT...N winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: NE
3 ft at 7 seconds and N 1 foot at 3 seconds.
.FRI...N winds around 10 kt. Seas 2 to 3 ft. Wave Detail: NW 2 ft
at 3 seconds and SE 2 ft at 7 seconds.
.FRI NIGHT...NW winds around 10 kt. Seas 2 to 3 ft. Wave Detail:
W 2 ft at 3 seconds and SE 2 ft at 6 seconds.
.SAT THROUGH SUN NIGHT...W winds around 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.

$$

ANZ256-292100-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
404 AM EDT Wed May 29 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 AM EDT EARLY THIS
MORNING...

.TODAY...W winds 5 to 10 kt, becoming SW this afternoon. Seas
3 to 4 ft. Wave Detail: S 4 ft at 8 seconds.
.TONIGHT...SW winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: SE
4 ft at 8 seconds. A chance of showers after midnight.
.THU...N winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft
at 8 seconds and N 1 foot at 2 seconds. A chance of showers.
.THU NIGHT...N winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: NE
3 ft at 7 seconds.
.FRI...N winds around 10 kt. Seas 2 to 3 ft. Wave Detail: E 2 ft
at 7 seconds and N 1 foot at 3 seconds.
.FRI NIGHT...W winds around 10 kt, becoming NW after midnight.
Seas around 2 ft. Wave Detail: SE 2 ft at 7 seconds and W 1 foot
at 3 seconds.
.SAT THROUGH SUN 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.

$$

ANZ232-292100-
Nantucket Sound-
404 AM EDT Wed May 29 2024

.TODAY...W winds 5 to 10 kt, becoming SW this afternoon. Seas
2 to 3 ft. Wave Detail: SE 2 ft at 8 seconds and W 1 foot at
3 seconds.
.TONIGHT...SW winds 5 to 10 kt, becoming W after midnight. Seas
around 2 ft. Wave Detail: SE 2 ft at 8 seconds and SW 1 foot at
2 seconds.
.THU...N winds 5 to 10 kt. Seas around 2 ft. Wave Detail: NE 2 ft
at 6 seconds and NW 1 foot at 3 seconds. A chance of showers.
.THU NIGHT...N winds 5 to 10 kt. Seas around 2 ft. Wave Detail: N
2 ft at 4 seconds.
.FRI...N winds around 10 kt. Seas around 2 ft. Wave Detail: N
1 foot at 3 seconds and E 1 foot at 7 seconds.
.FRI NIGHT...NW winds 5 to 10 kt. Seas 1 foot or less. Wave
Detail: NW 1 foot at 3 seconds and E 1 foot at 6 seconds.
.SAT THROUGH SUN NIGHT...W 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.

$$

ANZ233-292100-
Vineyard Sound-
404 AM EDT Wed May 29 2024

.TODAY...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft
at 7 seconds and W 1 foot at 4 seconds.
.TONIGHT...SW winds 5 to 10 kt, becoming W after midnight. Seas
around 2 ft. Wave Detail: S 2 ft at 7 seconds and SW 1 foot at
3 seconds. A chance of showers after midnight.
.THU...N winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SE
1 foot at 7 seconds. Showers likely, mainly in the morning.
.THU NIGHT...N winds 5 to 10 kt. Seas around 2 ft in the evening,
then 1 foot or less. Wave Detail: N 1 foot at 4 seconds, becoming
N 1 foot at 3 seconds and E 1 foot at 6 seconds.
.FRI...N winds around 10 kt. Seas 1 foot or less. Wave Detail: NW
1 foot at 3 seconds and E 1 foot at 6 seconds.
.FRI NIGHT...W winds 5 to 10 kt, becoming NW after midnight. Seas
1 foot or less. Wave Detail: SW 1 foot at 3 seconds and SE 1 foot
at 6 seconds.
.SAT THROUGH SUN 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.

$$

ANZ234-292100-
Buzzards Bay-
404 AM EDT Wed May 29 2024

.TODAY...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S
2 ft at 7 seconds and W 1 foot at 4 seconds.
.TONIGHT...SW winds 5 to 10 kt, becoming W after midnight. Seas
around 2 ft. Wave Detail: S 2 ft at 7 seconds and SW 1 foot at
3 seconds. A chance of showers after midnight.
.THU...N winds 5 to 10 kt. Seas around 2 ft in the morning, then
1 foot or less. Wave Detail: N 1 foot at 3 seconds and E 1 foot
at 7 seconds, becoming N 1 foot at 3 seconds. Showers likely,
mainly in the morning.
.THU NIGHT...N winds 5 to 10 kt. Seas 1 foot or less. Wave
Detail: N 1 foot at 4 seconds.
.FRI...N winds around 10 kt, becoming NE in the afternoon. Seas
1 foot or less. Wave Detail: N 1 foot at 3 seconds and E 1 foot
at 6 seconds.
.FRI NIGHT...W winds 5 to 10 kt, becoming NW after midnight. Seas
1 foot or less. Wave Detail: SW 1 foot at 2 seconds and SE 1 foot
at 6 seconds.
.SAT THROUGH SUN 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.

$$

ANZ235-292100-
Rhode Island Sound-
404 AM EDT Wed May 29 2024

.TODAY...W winds 5 to 10 kt, becoming SW this afternoon. Seas
2 to 4 ft. Wave Detail: S 4 ft at 7 seconds.
.TONIGHT...SW winds 5 to 10 kt, becoming W after midnight. Seas
2 to 3 ft. Wave Detail: S 3 ft at 7 seconds. A chance of showers
after midnight.
.THU...N winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SE 2 ft
at 7 seconds and N 1 foot at 3 seconds. Showers likely, mainly in
the morning.
.THU NIGHT...N winds 5 to 10 kt. Seas around 2 ft. Wave Detail: E
2 ft at 7 seconds and N 1 foot at 3 seconds.
.FRI...N winds around 10 kt, becoming E in the afternoon. Seas
around 2 ft. Wave Detail: SE 2 ft at 7 seconds and N 1 foot at
3 seconds.
.FRI NIGHT...SW winds around 10 kt, becoming NW after midnight.
Seas around 2 ft in the evening, then 1 foot or less. Wave
Detail: SE 2 ft at 7 seconds and SW 1 foot at 3 seconds, becoming
W 1 foot at 3 seconds and SE 1 foot at 7 seconds.
.SAT THROUGH SUN 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.

$$

ANZ237-292100-
Block Island Sound-
404 AM EDT Wed May 29 2024

.TODAY...W winds 5 to 10 kt, becoming SW this afternoon. Seas
2 to 4 ft. Wave Detail: SE 4 ft at 7 seconds.
.TONIGHT...SW winds 5 to 10 kt, becoming NW after midnight. Seas
2 to 3 ft. Wave Detail: SE 3 ft at 8 seconds. A chance of showers
after midnight.
.THU...NE winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SE
2 ft at 8 seconds. Showers likely, mainly in the morning.
.THU NIGHT...W winds around 5 kt, becoming N after midnight. Seas
around 2 ft. Wave Detail: SE 2 ft at 7 seconds and NW 1 foot at
2 seconds.
.FRI...N winds around 10 kt, becoming S in the afternoon. Seas
around 2 ft. Wave Detail: E 2 ft at 7 seconds and NW 1 foot at
2 seconds.
.FRI NIGHT...SW winds 5 to 10 kt, becoming NW after midnight.
Seas around 2 ft in the evening, then 1 foot or less. Wave
Detail: SE 2 ft at 7 seconds and SW 1 foot at 2 seconds, becoming
W 1 foot at 2 seconds and SE 1 foot at 7 seconds.
.SAT THROUGH SUN 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.

$$

ANZ230-292100-
Boston Harbor-
404 AM EDT Wed May 29 2024

.TODAY...NW winds around 5 kt, becoming SE this afternoon. Waves
around 2 ft. A slight chance of showers this afternoon.
.TONIGHT...SW winds 5 to 10 kt, becoming N after midnight. Waves
around 2 ft. A chance of showers after midnight.
.THU...NE winds 5 to 10 kt. Waves around 2 ft. Showers likely,
mainly in the morning.
.THU NIGHT...NE winds around 5 kt, becoming NW after midnight.
Waves 1 foot or less.
.FRI...N winds around 10 kt, becoming E in the afternoon. Waves
1 foot or less.
.FRI NIGHT...W winds around 5 kt, becoming NW after midnight.
Waves 1 foot or less.
.SAT THROUGH SUN 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.

$$

ANZ236-292100-
Narragansett Bay-
404 AM EDT Wed May 29 2024

.TODAY...W winds around 5 kt, becoming SW this afternoon. Waves
around 2 ft. A slight chance of showers with isolated tstms this
afternoon. Some tstms may produce small hail this afternoon.
.TONIGHT...SW winds 5 to 10 kt, becoming NW after midnight. Waves
around 2 ft. A chance of showers after midnight.
.THU...N winds 5 to 10 kt. Waves around 2 ft. Showers likely,
mainly in the morning.
.THU NIGHT...NW winds 5 to 10 kt. Waves around 2 ft.
.FRI...N winds 5 to 10 kt, becoming NE in the afternoon. Waves
around 2 ft.
.FRI NIGHT...SW winds 5 to 10 kt, becoming NW after midnight.
Waves 1 foot or less.
.SAT THROUGH SUN NIGHT...SW winds 5 to 10 kt. Waves around 2 ft.

Winds and waves higher in and near tstms.

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.

$$

For the latest updates...please visit our webpage at
www.weather.gov/boston

You can follow us on Facebook at
www.facebook.com/NWSBoston

You can follow us on Twitter at
@NWSBoston