469
FZUS51 KBOX 122006
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
405 PM EDT Sun May 12 2024

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

ANZ200-130900-
405 PM EDT Sun May 12 2024

.Synopsis for Massachusetts and Rhode Island coastal waters...
Relatively calm winds over the marine zones tonight. Seas over the
southeastern marine zones remain somewhat elevated in the 4 to 5
foot range but will gradually diminish early next week with high
pressure building over the region. Rain chances increase middle of
next week as another low pressure system passes to the south.

$$

ANZ250-130900-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
405 PM EDT Sun May 12 2024

.TONIGHT...SW winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: E
4 ft at 9 seconds and SE 2 ft at 10 seconds.
.MON...SW winds around 5 kt, becoming S 10 to 15 kt in the
afternoon. Seas 3 to 4 ft. Wave Detail: E 3 ft at 9 seconds and
SE 2 ft at 3 seconds.
.MON NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 3 ft. Wave Detail: SE 3 ft at 3 seconds and E 2 ft at
8 seconds. A chance of showers after midnight.
.TUE...S winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to
5 ft. Wave Detail: S 3 ft at 4 seconds and E 2 ft at 8 seconds.
.TUE NIGHT...S winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. Gusts up to 25 kt. Seas 3 to 5 ft. Wave Detail:
SE 3 ft at 5 seconds and E 1 foot at 8 seconds. A chance of
showers after midnight.
.WED AND WED NIGHT...E winds 10 to 15 kt with gusts up to 20 kt.
Seas 2 to 4 ft. Wave Detail: SE 2 ft at 5 seconds and E 2 ft at
8 seconds. A chance of showers.
.THU...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
5 ft. A chance of showers.
.THU NIGHT THROUGH FRI NIGHT...E winds 10 to 15 kt with gusts up
to 20 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.

$$

ANZ251-130900-
Massachusetts Bay and Ipswich Bay-
405 PM EDT Sun May 12 2024

.TONIGHT...S winds 5 to 10 kt, becoming SW after midnight. Seas
2 to 3 ft. Wave Detail: E 3 ft at 9 seconds and SE 1 foot at
10 seconds.
.MON...SW winds around 5 kt, becoming SE 10 to 15 kt in the
afternoon. Seas 2 to 3 ft. Wave Detail: E 3 ft at 9 seconds and S
2 ft at 3 seconds.
.MON NIGHT...S winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 4 seconds and E
2 ft at 8 seconds. A chance of showers after midnight.
.TUE...S winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. Gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft
at 4 seconds and SE 2 ft at 7 seconds.
.TUE NIGHT...S winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. Gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail:
SE 3 ft at 5 seconds and E 1 foot at 8 seconds. A chance of
showers.
.WED...S winds 10 to 15 kt. Seas around 2 ft. Wave Detail: SE
2 ft at 4 seconds and E 1 foot at 8 seconds. Showers likely.
.WED NIGHT...SE winds 10 to 15 kt, becoming E after midnight.
Seas 2 to 3 ft. A chance of showers.
.THU...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. A chance of showers.
.THU NIGHT THROUGH FRI NIGHT...E 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.

$$

ANZ231-130900-
Cape Cod Bay-
405 PM EDT Sun May 12 2024

.TONIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: E
2 ft at 9 seconds and SW 1 foot at 2 seconds.
.MON...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: E 2 ft
at 9 seconds and SW 1 foot at 2 seconds.
.MON NIGHT...SW winds around 10 kt. Seas around 2 ft. Wave
Detail: E 2 ft at 9 seconds and SW 1 foot at 2 seconds.
.TUE...S 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 SE 1 foot at
7 seconds.
.TUE NIGHT AND WED...S winds 10 to 15 kt with gusts up to 20 kt.
Seas 2 to 3 ft. Wave Detail: SE 2 ft at 4 seconds and E 1 foot at
8 seconds. A chance of showers.
.WED NIGHT...E winds 10 to 15 kt. Gusts up to 20 kt after
midnight. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 7 seconds and
SE 1 foot at 3 seconds. A chance of showers.
.THU...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. A chance of showers.
.THU NIGHT THROUGH FRI NIGHT...NE 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.

$$

ANZ254-130900-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
405 PM EDT Sun May 12 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING...

.TONIGHT...W winds 5 to 10 kt. Seas 3 to 5 ft. Wave Detail: E
5 ft at 9 seconds and S 2 ft at 10 seconds. A slight chance of
showers after midnight.
.MON...SW winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: E 4 ft
at 9 seconds and S 2 ft at 8 seconds.
.MON NIGHT...SW winds around 10 kt. Seas 2 to 3 ft. Wave Detail:
E 3 ft at 8 seconds and SW 2 ft at 3 seconds.
.TUE...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft. Wave Detail: S 2 ft at 3 seconds and E 2 ft at 8 seconds.
.TUE NIGHT AND WED...SE winds 10 to 15 kt with gusts up to 20 kt.
Seas 3 to 4 ft. Wave Detail: SE 3 ft at 6 seconds and SE 1 foot
at 3 seconds. A chance of showers.
.WED NIGHT...E winds 10 to 15 kt with gusts up to 25 kt. Seas
4 to 6 ft. Wave Detail: SE 4 ft at 9 seconds and SE 2 ft at
5 seconds. A chance of showers.
.THU...NE winds around 15 kt with gusts up to 25 kt. Seas 5 to
7 ft. A chance of showers.
.THU NIGHT...NE winds 10 to 15 kt with gusts up to 25 kt. Seas
5 to 7 ft.
.FRI AND FRI NIGHT...NE winds 10 to 15 kt. Gusts up to 20 kt.
Seas 4 to 6 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.

$$

ANZ255-130900-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
405 PM EDT Sun May 12 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING...

.TONIGHT...W winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: E
4 ft at 9 seconds and S 2 ft at 9 seconds.
.MON...W winds 5 to 10 kt, becoming SW 10 to 15 kt in the
afternoon. Seas 3 to 4 ft. Wave Detail: E 3 ft at 9 seconds and W
2 ft at 4 seconds.
.MON NIGHT...SW winds 10 to 15 kt. Seas around 3 ft. Wave Detail:
SW 3 ft at 4 seconds and E 3 ft at 8 seconds.
.TUE...S winds 15 to 20 kt. Seas 2 to 4 ft. Wave Detail: S 4 ft
at 6 seconds and E 2 ft at 8 seconds.
.TUE NIGHT...S winds 15 to 20 kt. Seas 3 to 4 ft. Wave Detail: SW
4 ft at 5 seconds and E 1 foot at 8 seconds. A chance of showers
after midnight.
.WED...SE winds around 15 kt with gusts up to 20 kt. Seas 3 to
5 ft. Wave Detail: S 4 ft at 6 seconds and SE 2 ft at 4 seconds.
A chance of showers. Vsby 1 to 3 NM.
.WED NIGHT...E winds 15 to 20 kt with gusts up to 25 kt. Seas
5 to 7 ft. A chance of showers.
.THU...NE winds 15 to 20 kt with gusts up to 30 kt. Seas 5 to
7 ft. A chance of showers.
.THU NIGHT...NE winds 15 to 20 kt with gusts up to 25 kt. Seas
5 to 7 ft.
.FRI...NE winds around 15 kt with gusts up to 20 kt. Seas 4 to
6 ft.
.FRI NIGHT...NE winds 10 to 15 kt with gusts up to 20 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.

$$

ANZ256-130900-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
405 PM EDT Sun May 12 2024

.TONIGHT...SW winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: E
4 ft at 9 seconds and S 2 ft at 9 seconds.
.MON...W winds 5 to 10 kt, becoming SW 10 to 15 kt in the
afternoon. Seas 3 to 4 ft. Wave Detail: E 3 ft at 9 seconds and
SW 2 ft at 3 seconds.
.MON NIGHT...SW winds 10 to 15 kt. Seas around 3 ft. Wave Detail:
SE 3 ft at 7 seconds and SE 1 foot at 13 seconds.
.TUE...S 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 2 ft at 8 seconds.
.TUE NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 4 ft. Wave Detail: SE 4 ft at 7 seconds and SE 1 foot at
12 seconds. A chance of showers.
.WED...SE winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
5 ft. Wave Detail: S 3 ft at 6 seconds and SE 2 ft at 4 seconds.
Showers likely. Vsby 1 to 3 NM.
.WED NIGHT...E winds 10 to 15 kt with gusts up to 25 kt. Seas
5 to 7 ft. A chance of showers.
.THU...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 6 to
8 ft. A chance of showers.
.THU NIGHT...NE winds around 15 kt with gusts up to 25 kt. Seas
5 to 7 ft.
.FRI...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to
6 ft.
.FRI NIGHT...NE winds 10 to 15 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.

$$

ANZ232-130900-
Nantucket Sound-
405 PM EDT Sun May 12 2024

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

$$

ANZ233-130900-
Vineyard Sound-
405 PM EDT Sun May 12 2024

.TONIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW
1 foot at 3 seconds and E 1 foot at 9 seconds.
.MON...SW winds 10 to 15 kt. Gusts up to 20 kt in the afternoon.
Seas around 2 ft. Wave Detail: SW 2 ft at 4 seconds and S 1 foot
at 8 seconds.
.MON NIGHT...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
S 1 foot at 7 seconds.
.TUE...SW winds 10 to 15 kt, becoming S 15 to 20 kt in the
afternoon. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 4 seconds and
SE 1 foot at 7 seconds.
.TUE NIGHT...S winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. Seas 2 to 3 ft. Wave Detail: S 3 ft at 6 seconds
and SE 1 foot at 12 seconds. A chance of showers after midnight.
.WED...SE winds 10 to 15 kt. Seas around 2 ft. Wave Detail: S
2 ft at 6 seconds and SE 1 foot at 3 seconds. Showers likely.
.WED NIGHT...E winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 4 ft. A chance of showers.
.THU...NE winds around 15 kt with gusts up to 25 kt. Seas 3 to
4 ft. A chance of showers.
.THU NIGHT AND FRI...NE winds 10 to 15 kt with gusts up to 25 kt.
Seas 2 to 4 ft.
.FRI NIGHT...NE winds around 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.

$$

ANZ234-130900-
Buzzards Bay-
405 PM EDT Sun May 12 2024

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

$$

ANZ235-130900-
Rhode Island Sound-
405 PM EDT Sun May 12 2024

.TONIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S
2 ft at 9 seconds and SE 2 ft at 10 seconds.
.MON...SW winds 10 to 15 kt. Gusts up to 20 kt in the afternoon.
Seas 2 to 3 ft. Wave Detail: SW 3 ft at 4 seconds and S 2 ft at
8 seconds.
.MON NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 4 seconds and SE
2 ft at 8 seconds.
.TUE...S winds around 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. Wave Detail: SE 3 ft at 7 seconds and SE 1 foot at
13 seconds.
.TUE NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 3 ft. Wave Detail: S 3 ft at 7 seconds and SE 1 foot at
12 seconds. A chance of showers.
.WED...SE winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft
at 7 seconds and SE 1 foot at 4 seconds. Showers likely.
.WED NIGHT...E winds 10 to 15 kt with gusts up to 25 kt. Seas
4 to 6 ft. A chance of showers.
.THU...NE winds around 15 kt with gusts up to 25 kt. Seas 4 to
6 ft. A chance of showers.
.THU NIGHT AND FRI...NE winds 10 to 15 kt with gusts up to 25 kt.
Seas 3 to 5 ft.
.FRI NIGHT...NE 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.

$$

ANZ237-130900-
Block Island Sound-
405 PM EDT Sun May 12 2024

.TONIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E
2 ft at 9 seconds and SW 1 foot at 2 seconds.
.MON...W winds 5 to 10 kt, becoming SW 10 to 15 kt in the
afternoon. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 3 seconds and
E 2 ft at 9 seconds.
.MON NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail:
SW 2 ft at 3 seconds and SE 2 ft at 8 seconds.
.TUE...S winds 10 to 15 kt. Gusts up to 20 kt in the afternoon.
Seas 2 to 3 ft. Wave Detail: SE 2 ft at 7 seconds and SE 1 foot
at 13 seconds.
.TUE NIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: S
3 ft at 6 seconds and SE 1 foot at 12 seconds. A chance of
showers in the evening, then showers likely after midnight.
.WED...SE winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft
at 4 seconds and SE 1 foot at 8 seconds. Showers likely.
.WED NIGHT...E winds 10 to 15 kt with gusts up to 25 kt. Seas
4 to 6 ft. A chance of showers.
.THU...NE winds around 15 kt with gusts up to 25 kt. Seas 4 to
6 ft. A chance of showers.
.THU NIGHT AND FRI...NE winds 10 to 15 kt with gusts up to 25 kt.
Seas 3 to 5 ft.
.FRI NIGHT...NE winds around 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.

$$

ANZ230-130900-
Boston Harbor-
405 PM EDT Sun May 12 2024

.TONIGHT...SW winds around 5 kt. Waves 1 foot or less. A slight
chance of showers this evening.
.MON...SW winds 5 to 10 kt, becoming SE 10 to 15 kt in the
afternoon. Waves 1 foot or less, then around 2 ft in the
afternoon.
.MON NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Waves
around 2 ft. A chance of showers after midnight.
.TUE...S winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. Gusts up to 25 kt. Waves around 2 ft.
.TUE NIGHT...S winds 15 to 20 kt with gusts up to 25 kt. Waves
around 2 ft. A chance of showers.
.WED...S winds 10 to 15 kt. Gusts up to 20 kt in the afternoon.
Waves 1 foot or less, then around 2 ft in the afternoon. Showers
likely.
.WED NIGHT...SE winds 10 to 15 kt, becoming E 5 to 10 kt after
midnight. Waves around 2 ft in the evening, then 1 foot or less.
A chance of showers.
.THU...NE winds 10 to 15 kt with gusts up to 20 kt. Waves around
2 ft. A chance of showers.
.THU NIGHT AND FRI...NE winds 5 to 10 kt. Waves around 2 ft.
.FRI NIGHT...E winds 5 to 10 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.

$$

ANZ236-130900-
Narragansett Bay-
405 PM EDT Sun May 12 2024

.TONIGHT...SW winds 5 to 10 kt. Waves around 2 ft. A slight
chance of showers this evening.
.MON...SW winds 5 to 10 kt, increasing to 15 to 20 kt in the
afternoon. Waves around 2 ft.
.MON NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Waves around 2 ft.
.TUE...S winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. Waves 2 to 3 ft.
.TUE NIGHT...S winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Waves 2 to 3 ft. A chance of showers.
.WED...SE winds 10 to 15 kt. Gusts up to 20 kt in the afternoon.
Waves 2 to 3 ft. Showers likely.
.WED NIGHT...E winds 10 to 15 kt. Gusts up to 20 kt after
midnight. Waves 2 to 4 ft. A chance of showers.
.THU...NE winds 10 to 15 kt with gusts up to 25 kt. Waves 2 to
3 ft. A chance of showers.
.THU NIGHT THROUGH FRI NIGHT...NE winds 10 to 15 kt with gusts up
to 20 kt. Waves 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.

$$

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