181
FZUS51 KBOX 092006
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
405 PM EDT Thu May 9 2024

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

ANZ200-100900-
405 PM EDT Thu May 9 2024

.Synopsis for Massachusetts and Rhode Island coastal waters...
High pressure to our north coupled with an offshore low pressure
system will generate a northeast flow of air across the waters
through the weekend. A ridge of high pressure briefly builds across
the waters on Monday before a cold front approaches the waters by
the middle of next week.

$$

ANZ250-100900-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
405 PM EDT Thu May 9 2024

.TONIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: N
3 ft at 5 seconds and SE 1 foot at 6 seconds.
.FRI...NE winds 10 to 15 kt. Gusts up to 20 kt in the afternoon.
Seas 3 to 4 ft. Wave Detail: E 3 ft at 7 seconds and E 1 foot at
10 seconds.
.FRI NIGHT...NE winds around 10 kt. Seas 3 to 4 ft. Wave Detail:
E 3 ft at 7 seconds and E 1 foot at 10 seconds. A chance of
showers after midnight.
.SAT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to
5 ft. Wave Detail: E 3 ft at 8 seconds and SE 1 foot at
15 seconds. A chance of showers in the morning.
.SAT NIGHT...NE winds 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: E
5 ft at 7 seconds and SE 1 foot at 9 seconds.
.SUN AND SUN NIGHT...SW winds 5 to 10 kt. Seas 3 to 5 ft. Wave
Detail: E 5 ft at 8 seconds and SW 1 foot at 2 seconds.
.MON AND MON NIGHT...S winds 10 to 15 kt, increasing to 15 to
20 kt. Gusts up to 25 kt. Seas 3 to 4 ft.
.TUE...S winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to
4 ft. A chance of showers.
.TUE NIGHT...S winds 15 to 20 kt with 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.

$$

ANZ251-100900-
Massachusetts Bay and Ipswich Bay-
405 PM EDT Thu May 9 2024

.TONIGHT...NE winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: E
3 ft at 6 seconds and E 1 foot at 10 seconds. A slight chance of
showers after midnight.
.FRI...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. Wave Detail: E 3 ft at 6 seconds and E 1 foot at
11 seconds.
.FRI NIGHT...NE winds 10 to 15 kt. Seas 2 to 4 ft. Wave Detail: E
3 ft at 7 seconds and E 1 foot at 10 seconds. A chance of showers
after midnight.
.SAT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
4 ft. Wave Detail: E 3 ft at 7 seconds and E 1 foot at
10 seconds. A chance of showers in the morning.
.SAT NIGHT...NE winds 10 to 15 kt, becoming N 5 to 10 kt after
midnight. Seas 3 to 4 ft. Wave Detail: E 4 ft at 7 seconds and S
1 foot at 9 seconds.
.SUN AND SUN NIGHT...SW winds 5 to 10 kt. Seas 3 to 4 ft. Wave
Detail: E 4 ft at 8 seconds and SW 1 foot at 2 seconds.
.MON...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft.
.MON NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 3 ft. A chance of showers.
.TUE AND TUE NIGHT...S winds 10 to 15 kt with 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.

$$

ANZ231-100900-
Cape Cod Bay-
405 PM EDT Thu May 9 2024

.TONIGHT...NE winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: N
2 ft at 3 seconds and S 1 foot at 6 seconds. A slight chance of
showers after midnight.
.FRI...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. Wave Detail: N 2 ft at 4 seconds and S 1 foot at 6 seconds.
.FRI NIGHT...NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: N
2 ft at 4 seconds and S 1 foot at 7 seconds. A chance of showers
after midnight.
.SAT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas around
3 ft. Wave Detail: N 2 ft at 4 seconds and S 1 foot at 8 seconds.
A chance of showers in the morning.
.SAT NIGHT AND SUN...NE winds 5 to 10 kt. Seas 2 to 4 ft. Wave
Detail: E 4 ft at 8 seconds and N 2 ft at 3 seconds.
.SUN NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E
3 ft at 9 seconds and SW 1 foot at 2 seconds.
.MON THROUGH TUE...SW winds 10 to 15 kt with gusts up to 25 kt.
Seas 2 to 4 ft.
.TUE NIGHT...S 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.

$$

ANZ254-100900-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
405 PM EDT Thu May 9 2024

.TONIGHT...NE winds 15 to 20 kt. Seas 3 to 5 ft. Wave Detail: N
3 ft at 4 seconds and S 2 ft at 6 seconds.
.FRI...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to
5 ft. Wave Detail: NE 4 ft at 7 seconds and S 2 ft at 6 seconds.
A chance of showers in the morning.
.FRI NIGHT...NE winds 10 to 15 kt. Seas 4 to 5 ft. Wave Detail:
NE 4 ft at 7 seconds and S 1 foot at 7 seconds. A chance of
showers after midnight.
.SAT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to
6 ft. Wave Detail: NE 4 ft at 6 seconds and S 2 ft at 8 seconds.
A chance of showers in the morning.
.SAT NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 kt after midnight. Seas 5 to 6 ft. Wave
Detail: E 6 ft at 8 seconds and S 1 foot at 9 seconds. A chance
of showers.
.SUN...N winds 5 to 10 kt. Seas 4 to 6 ft. Wave Detail: E 6 ft at
8 seconds and S 1 foot at 8 seconds.
.SUN NIGHT...W winds 5 to 10 kt. Seas 3 to 5 ft.
.MON THROUGH TUE...SW winds 15 to 20 kt with gusts up to 30 kt.
Seas 3 to 5 ft.
.TUE NIGHT...S winds 15 to 20 kt with gusts up to 30 kt. Seas
4 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.

$$

ANZ255-100900-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
405 PM EDT Thu May 9 2024

.TONIGHT...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to
4 ft. Wave Detail: N 3 ft at 4 seconds and S 3 ft at 6 seconds. A
slight chance of showers after midnight.
.FRI...NE winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. Seas 3 to 4 ft. Wave Detail: NE 4 ft at 5 seconds and
S 2 ft at 7 seconds. A chance of showers.
.FRI NIGHT...NE winds 15 to 20 kt. Seas 3 to 4 ft. Wave Detail:
NE 4 ft at 5 seconds and S 2 ft at 8 seconds. A chance of
showers.
.SAT...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to
6 ft. Wave Detail: NE 4 ft at 5 seconds and S 2 ft at 8 seconds.
A chance of showers in the morning.
.SAT NIGHT...NE winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Seas 4 to 6 ft. Wave Detail: E 5 ft at 7 seconds and S
2 ft at 8 seconds. A chance of showers.
.SUN...N winds 5 to 10 kt. Seas 3 to 5 ft. Wave Detail: E 5 ft at
9 seconds and S 2 ft at 9 seconds.
.SUN NIGHT...W winds 5 to 10 kt. Seas 2 to 4 ft.
.MON...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft.
.MON NIGHT AND TUE...SW winds 15 to 20 kt with gusts up to 25 kt.
Seas 3 to 5 ft.
.TUE NIGHT...S winds 15 to 20 kt with gusts up to 25 kt. Seas
4 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.

$$

ANZ256-100900-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
405 PM EDT Thu May 9 2024

.TONIGHT...E winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to
4 ft. Wave Detail: E 4 ft at 5 seconds and S 3 ft at 6 seconds. A
chance of showers after midnight.
.FRI...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to
5 ft. Wave Detail: NE 5 ft at 5 seconds and S 2 ft at 7 seconds.
A chance of showers.
.FRI NIGHT...NE winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. Seas 4 to 5 ft. Wave Detail: NE 4 ft at 5 seconds
and S 2 ft at 8 seconds. A chance of showers.
.SAT...NE winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. Seas 4 to 5 ft. Wave Detail: NE 4 ft at 5 seconds and
S 2 ft at 8 seconds. A chance of showers in the morning.
.SAT NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 kt after midnight. Seas 3 to 5 ft. Wave
Detail: NE 3 ft at 6 seconds and E 3 ft at 10 seconds.
.SUN AND SUN NIGHT...SW winds 5 to 10 kt. Seas 3 to 4 ft. Wave
Detail: E 4 ft at 8 seconds and S 2 ft at 8 seconds.
.MON THROUGH TUE...SW winds 15 to 20 kt with gusts up to 25 kt.
Seas 3 to 5 ft.
.TUE NIGHT...S winds 15 to 20 kt with gusts up to 25 kt. Seas
4 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.

$$

ANZ232-100900-
Nantucket Sound-
405 PM EDT Thu May 9 2024

.TONIGHT...NE winds 15 to 20 kt. Seas 2 to 3 ft. Wave Detail: NE
3 ft at 4 seconds and S 1 foot at 6 seconds.
.FRI...NE winds 15 to 20 kt. Seas 2 to 3 ft. Wave Detail: NE 3 ft
at 4 seconds and S 1 foot at 7 seconds. A chance of showers.
.FRI NIGHT...NE winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Seas 2 to 3 ft. Wave Detail: NE 3 ft at 4 seconds and S
1 foot at 7 seconds. A chance of showers after midnight.
.SAT...NE winds 15 to 20 kt. Seas 2 to 4 ft. Wave Detail: NE 2 ft
at 4 seconds and S 1 foot at 8 seconds. A chance of showers in
the morning.
.SAT NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 kt after midnight. Seas 2 to 3 ft. Wave
Detail: NE 2 ft at 4 seconds and E 2 ft at 7 seconds. A chance of
showers.
.SUN AND SUN NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. Wave
Detail: E 3 ft at 8 seconds and SW 1 foot at 2 seconds.
.MON THROUGH TUE...SW winds 15 to 20 kt with gusts up to 25 kt.
Seas 2 to 3 ft.
.TUE NIGHT...S winds 15 to 20 kt with 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.

$$

ANZ233-100900-
Vineyard Sound-
405 PM EDT Thu May 9 2024

.TONIGHT...NE winds 10 to 15 kt, increasing to 15 to 20 kt after
midnight. Seas around 2 ft. Wave Detail: NE 2 ft at 3 seconds and
S 2 ft at 6 seconds. A chance of showers after midnight.
.FRI...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to
4 ft. Wave Detail: NE 2 ft at 4 seconds and S 1 foot at
7 seconds. A chance of showers.
.FRI NIGHT...NE winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. Seas 2 to 3 ft. Wave Detail: NE 2 ft at 4 seconds
and S 1 foot at 8 seconds. A chance of showers after midnight.
.SAT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. Wave Detail: NE 2 ft at 3 seconds and S 1 foot at
8 seconds. A chance of showers in the morning.
.SAT NIGHT...NE 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: NE 2 ft at 4 seconds and E 2 ft at 8 seconds. A chance of
showers after midnight.
.SUN AND SUN NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave
Detail: E 2 ft at 9 seconds and W 1 foot at 2 seconds.
.MON...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around
2 ft.
.MON NIGHT AND TUE...SW winds around 15 kt with gusts up to
25 kt. Seas 2 to 4 ft.
.TUE NIGHT...S 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.

$$

ANZ234-100900-
Buzzards Bay-
405 PM EDT Thu May 9 2024

.TONIGHT...NE winds 10 to 15 kt. Gusts up to 20 kt after
midnight. Seas around 2 ft. Wave Detail: NE 2 ft at 3 seconds and
S 1 foot at 6 seconds. A chance of showers after midnight.
.FRI...NE winds 15 to 20 kt. Seas around 2 ft. Wave Detail: NE
2 ft at 3 seconds and S 1 foot at 7 seconds. A chance of showers
in the morning.
.FRI NIGHT...NE winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. Seas 2 to 3 ft. Wave Detail: NE 2 ft at 3 seconds
and S 1 foot at 7 seconds. A chance of showers after midnight.
.SAT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. Wave Detail: NE 2 ft at 3 seconds and S 1 foot at
8 seconds. A chance of showers in the morning.
.SAT NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt,
becoming N 5 to 10 kt after midnight. Seas around 2 ft. Wave
Detail: NE 2 ft at 3 seconds and E 2 ft at 8 seconds. A chance of
showers after midnight.
.SUN AND SUN NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave
Detail: E 2 ft at 8 seconds and NE 1 foot at 2 seconds.
.MON THROUGH TUE...SW winds 10 to 15 kt with gusts up to 25 kt.
Seas 2 to 4 ft.
.TUE NIGHT...S 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.

$$

ANZ235-100900-
Rhode Island Sound-
405 PM EDT Thu May 9 2024

.TONIGHT...E winds 10 to 15 kt, becoming NE 15 to 20 kt after
midnight. Seas 2 to 3 ft. Wave Detail: NE 3 ft at 4 seconds and S
3 ft at 6 seconds. A chance of showers after midnight.
.FRI...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to
3 ft. Wave Detail: NE 3 ft at 5 seconds and S 2 ft at 7 seconds.
A chance of showers.
.FRI NIGHT...NE winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. Seas 2 to 4 ft. Wave Detail: NE 3 ft at 4 seconds
and S 2 ft at 8 seconds. A chance of showers after midnight.
.SAT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
4 ft. Wave Detail: NE 3 ft at 4 seconds and S 2 ft at 8 seconds.
A chance of showers in the morning.
.SAT NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 kt after midnight. Seas 2 to 3 ft. Wave
Detail: NE 2 ft at 4 seconds and E 2 ft at 7 seconds.
.SUN AND SUN NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave
Detail: SE 2 ft at 8 seconds and S 2 ft at 8 seconds.
.MON THROUGH TUE...SW winds 15 to 20 kt with gusts up to 25 kt.
Seas 2 to 4 ft.
.TUE NIGHT...S winds around 15 kt with gusts up to 25 kt. Seas
3 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.

$$

ANZ237-100900-
Block Island Sound-
405 PM EDT Thu May 9 2024

.TONIGHT...E winds 10 to 15 kt, becoming NE 15 to 20 kt after
midnight. Seas 2 to 3 ft. Wave Detail: E 3 ft at 4 seconds and S
2 ft at 6 seconds. A chance of showers after midnight.
.FRI...NE winds 15 to 20 kt. Seas 2 to 4 ft. Wave Detail: E 3 ft
at 5 seconds and S 2 ft at 7 seconds. A chance of showers.
.FRI NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: E
3 ft at 5 seconds and S 2 ft at 8 seconds. A chance of showers
after midnight.
.SAT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft. Wave Detail: E 3 ft at 5 seconds and S 2 ft at 8 seconds. A
chance of showers in the morning.
.SAT NIGHT...NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E
2 ft at 5 seconds and S 2 ft at 8 seconds.
.SUN AND SUN NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave
Detail: E 2 ft at 8 seconds and SW 1 foot at 2 seconds.
.MON THROUGH TUE...SW winds 10 to 15 kt with gusts up to 25 kt.
Seas 2 to 4 ft.
.TUE NIGHT...S winds around 15 kt with gusts up to 25 kt. Seas
3 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.

$$

ANZ230-100900-
Boston Harbor-
405 PM EDT Thu May 9 2024

.TONIGHT...E winds 10 to 15 kt. Waves 1 foot or less, then around
2 ft after midnight. A slight chance of showers after midnight.
.FRI...NE winds 15 to 20 kt. Waves around 2 ft.
.FRI NIGHT...NE winds 10 to 15 kt. Waves 1 foot or less, then
around 2 ft after midnight. A chance of showers after midnight.
.SAT...NE winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to
3 ft. A chance of showers in the morning.
.SAT NIGHT...NE winds 10 to 15 kt, becoming N 5 to 10 kt after
midnight. Waves 2 to 3 ft in the evening, then 1 foot or less.
.SUN AND SUN NIGHT...SW winds 5 to 10 kt. Waves 1 foot or less.
.MON...S winds 5 to 10 kt with gusts up to 20 kt. Waves around
2 ft.
.MON NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Waves
around 2 ft. A chance of showers.
.TUE AND TUE NIGHT...S winds 10 to 15 kt with gusts up to 25 kt.
Waves around 2 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.

$$

ANZ236-100900-
Narragansett Bay-
405 PM EDT Thu May 9 2024

.TONIGHT...NE winds 10 to 15 kt. Gusts up to 20 kt this evening.
Waves around 2 ft. A chance of showers after midnight.
.FRI...NE winds 10 to 15 kt with gusts up to 20 kt. Waves around
2 ft. A chance of showers in the morning.
.FRI NIGHT...NE winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Waves 2 to 3 ft. A chance of showers after midnight.
.SAT...NE winds 10 to 15 kt. Gusts up to 20 kt in the morning.
Waves 2 to 3 ft. A chance of showers in the morning.
.SAT NIGHT...NE winds 5 to 10 kt. Waves 2 to 3 ft.
.SUN AND SUN NIGHT...SW winds 5 to 10 kt. Waves around 2 ft.
.MON AND MON NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt.
Waves 2 to 4 ft.
.TUE AND TUE NIGHT...S winds 10 to 15 kt with gusts up to 25 kt.
Waves 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.

$$

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