Coastal Waters Forecast
Issued by NWS Boston, MA

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048
FZUS51 KBOX 131104
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
704 AM EDT Wed May 13 2026

Coastal waters from the Merrimack River MA to Watch Hill RI out
to 60 NM

ANZ200-140000-
704 AM EDT Wed May 13 2026

.Synopsis for Massachusetts and Rhode Island coastal waters...
High pres moves offshore early Wed and is replaced by low pres
tracking into the St Lawrence River Valley late Wed. This low gives
way to a new area of low pres developing south of New England later
Thu, then offshore Fri. Then the Bermuda high develops over the
weekend into early next week, providing tranquil boating weather
across the MA and RI waters.

$$

ANZ250-140000-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
704 AM EDT Wed May 13 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM EDT THIS MORNING
THROUGH THIS EVENING...

.TODAY...S winds 5 to 10 kt with gusts up to 20 kt, increasing to
15 to 20 kt with gusts up to 30 kt this afternoon. Seas 2 to
4 ft. Wave Detail: S 4 ft at 4 seconds and E 2 ft at 7 seconds. A
slight chance of showers this afternoon.
.TONIGHT...S winds 15 to 20 kt. Gusts up to 30 kt, decreasing to
20 kt after midnight. Seas 3 to 4 ft. Wave Detail: S 4 ft at
6 seconds and E 1 foot at 11 seconds.
.THU...SE winds around 15 kt with gusts up to 25 kt. Seas around
3 ft. Wave Detail: S 3 ft at 5 seconds and E 1 foot at
11 seconds. Patchy fog. A chance of showers in the morning, then
showers in the afternoon. Vsby 1 to 3 NM, decreasing to 1 NM or
less in the afternoon.
.THU NIGHT...E winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 4 ft. Wave Detail: E 4 ft at 10 seconds and S 1 foot at
4 seconds. Showers. Patchy fog in the evening with vsby 1 NM or
less.
.FRI...NE winds 10 to 15 kt. Gusts up to 20 kt in the morning.
Seas 3 to 4 ft. Wave Detail: S 4 ft at 9 seconds and E 4 ft at
11 seconds. Showers.
.FRI NIGHT...N winds 5 to 10 kt, becoming W after midnight. Seas
3 to 4 ft. Wave Detail: E 4 ft at 10 seconds and SE 4 ft at
10 seconds. A chance of showers in the evening.
.SAT THROUGH SUN NIGHT...NW winds 15 to 20 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.

$$

ANZ251-140000-
Massachusetts Bay and Ipswich Bay-
704 AM EDT Wed May 13 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM EDT THIS MORNING
THROUGH THIS EVENING...

.TODAY...S winds 5 to 10 kt with gusts up to 20 kt, increasing to
15 to 20 kt with gusts up to 30 kt this afternoon. Seas 2 to
3 ft. Wave Detail: S 3 ft at 4 seconds and E 3 ft at 7 seconds. A
slight chance of showers.
.TONIGHT...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 11 seconds.
.THU...SE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. Wave Detail: SE 3 ft at 5 seconds and E 1 foot at
11 seconds. Patchy fog. A chance of showers in the morning.
Showers in the afternoon. Vsby 1 to 3 NM.
.THU NIGHT...E winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Seas 2 to 3 ft. Wave Detail: E 3 ft at 7 seconds and E
3 ft at 11 seconds. Showers. Patchy fog in the evening with vsby
1 NM or less.
.FRI...NE winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft
at 7 seconds and E 3 ft at 10 seconds. Showers.
.FRI NIGHT...NW winds 5 to 10 kt, becoming W after midnight. Seas
around 3 ft. Wave Detail: E 3 ft at 10 seconds and N 2 ft at
3 seconds.
.SAT THROUGH SUN NIGHT...NW 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.

$$

ANZ231-140000-
Cape Cod Bay-
704 AM EDT Wed May 13 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM EDT THIS MORNING
THROUGH THIS EVENING...

.TODAY...SW winds 10 to 15 kt, becoming S 15 to 20 kt this
afternoon. Gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft
at 3 seconds and N 1 foot at 4 seconds.
.TONIGHT...S winds 10 to 15 kt with gusts up to 25 kt. Seas
around 3 ft. Wave Detail: S 2 ft at 3 seconds and E 2 ft at
7 seconds.
.THU...SE 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 SE 2 ft at 3 seconds.
Patchy fog. Showers. Vsby 1 to 3 NM in the afternoon.
.THU NIGHT...E winds 5 to 10 kt. Gusts up to 20 kt in the
evening. Seas around 2 ft. Wave Detail: SE 2 ft at 5 seconds and
E 1 foot at 11 seconds. Showers. Patchy fog in the evening with
vsby 1 NM or less.
.FRI...NE winds 5 to 10 kt. Seas around 2 ft. Wave Detail: E 2 ft
at 10 seconds and S 2 ft at 10 seconds. Showers likely.
.FRI NIGHT...N winds 5 to 10 kt, becoming W after midnight. Seas
2 to 3 ft. Wave Detail: S 2 ft at 10 seconds and E 2 ft at
12 seconds. A chance of showers in the evening.
.SAT AND SAT NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt.
Seas 2 to 4 ft.
.SUN AND 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.

$$

ANZ254-140000-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 NM-
704 AM EDT Wed May 13 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM EDT THIS MORNING
THROUGH THIS EVENING...

.TODAY...SW winds 10 to 15 kt, becoming S 15 to 20 kt this
afternoon. Gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: S 3 ft
at 4 seconds and NE 2 ft at 6 seconds.
.TONIGHT...S winds around 15 kt with gusts up to 25 kt. Seas 3 to
4 ft. Wave Detail: SE 3 ft at 6 seconds and NE 1 foot at
4 seconds.
.THU...SE winds around 15 kt with gusts up to 25 kt. Seas 3 to
4 ft. Wave Detail: S 4 ft at 6 seconds and E 1 foot at
11 seconds. Patchy fog. Showers. Vsby 1 to 3 NM, decreasing to
1 NM or less in the afternoon.
.THU NIGHT...E winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 kt after midnight. Seas 3 to 4 ft. Wave
Detail: SE 4 ft at 9 seconds and E 2 ft at 5 seconds. Showers.
Patchy fog in the evening with vsby 1 NM or less.
.FRI...E winds 5 to 10 kt, becoming NE in the afternoon. Seas
3 to 5 ft. Wave Detail: S 5 ft at 10 seconds and SE 5 ft at
10 seconds. Showers likely.
.FRI NIGHT...N winds around 10 kt, becoming NW after midnight.
Seas 4 to 5 ft. Wave Detail: E 5 ft at 5 seconds and E 5 ft at
10 seconds. A chance of showers in the evening.
.SAT THROUGH SUN NIGHT...W winds 15 to 20 kt with gusts up to
25 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.

$$

ANZ255-140000-
Coastal Waters extending out to 25 NM South of Marthas Vineyard
and Nantucket-
704 AM EDT Wed May 13 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM EDT THIS MORNING
THROUGH THIS EVENING...

.TODAY...S winds 10 to 15 kt, increasing to 15 to 20 kt this
afternoon. Gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: S 4 ft
at 5 seconds and E 2 ft at 7 seconds.
.TONIGHT...S winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to
4 ft. Wave Detail: SE 4 ft at 7 seconds and SE 1 foot at
12 seconds.
.THU...SE winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
4 ft. Wave Detail: SE 4 ft at 5 seconds and SW 3 ft at 6 seconds.
Patchy fog. Showers. Vsby 1 to 3 NM, decreasing to 1 NM or less
in the afternoon.
.THU NIGHT...SE winds 5 to 10 kt. Seas 3 to 5 ft. Wave Detail: SE
5 ft at 9 seconds and SW 4 ft at 7 seconds. Showers. Patchy fog
in the evening with vsby 1 NM or less.
.FRI...NE winds 5 to 10 kt, becoming N in the afternoon. Seas
3 to 5 ft. Wave Detail: S 5 ft at 9 seconds and SE 5 ft at
10 seconds. A chance of showers.
.FRI NIGHT...N winds around 10 kt, becoming NW after midnight.
Seas 3 to 5 ft. Wave Detail: E 5 ft at 10 seconds and S 5 ft at
10 seconds.
.SAT THROUGH SUN NIGHT...W winds 15 to 20 kt with gusts up to
25 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.

$$

ANZ256-140000-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 NM South of Block Island-
704 AM EDT Wed May 13 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM EDT THIS MORNING
THROUGH THIS EVENING...

.TODAY...S winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to
4 ft. Wave Detail: S 4 ft at 5 seconds and E 2 ft at 7 seconds.
.TONIGHT...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 SE 1 foot at
11 seconds.
.THU...SE winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
4 ft. Wave Detail: SE 4 ft at 6 seconds and SW 3 ft at 6 seconds.
Patchy fog. Showers likely. Vsby 1 to 3 NM, decreasing to 1 NM or
less in the afternoon.
.THU NIGHT...SE winds 5 to 10 kt, becoming SW after midnight.
Seas around 4 ft. Wave Detail: SE 4 ft at 9 seconds and NE 3 ft
at 10 seconds. A chance of showers. Patchy fog in the evening
with vsby 1 to 3 NM.
.FRI...N winds 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: S 5 ft at
9 seconds and E 5 ft at 10 seconds. A chance of showers.
.FRI NIGHT...N winds 5 to 10 kt, becoming W after midnight. Seas
3 to 5 ft. Wave Detail: S 5 ft at 9 seconds and SE 5 ft at
10 seconds.
.SAT THROUGH SUN NIGHT...SW winds 15 to 20 kt with gusts up to
25 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.

$$

ANZ232-140000-
Nantucket Sound-
704 AM EDT Wed May 13 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM EDT THIS MORNING
THROUGH THIS EVENING...

.TODAY...SW winds 10 to 15 kt, becoming S 15 to 20 kt this
afternoon. Gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft
at 4 seconds and E 1 foot at 7 seconds.
.TONIGHT...S winds 15 to 20 kt with gusts up to 25 kt. Seas
around 3 ft. Wave Detail: S 3 ft at 4 seconds and E 2 ft at
7 seconds.
.THU...SE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. Wave Detail: S 2 ft at 6 seconds and SE 1 foot at
11 seconds. Patchy fog. Showers. Vsby 1 to 3 NM in the afternoon.
.THU NIGHT...SE winds 10 to 15 kt, becoming E 5 to 10 kt after
midnight. Seas 2 to 3 ft. Wave Detail: E 2 ft at 4 seconds and S
2 ft at 7 seconds. Showers. Patchy fog in the evening with vsby
1 NM or less.
.FRI...NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 2 ft
at 5 seconds and S 2 ft at 10 seconds. Showers likely, mainly in
the morning.
.FRI NIGHT...N winds 5 to 10 kt, becoming W after midnight. Seas
2 to 3 ft. Wave Detail: NE 2 ft at 5 seconds and S 2 ft at
10 seconds.
.SAT THROUGH SUN NIGHT...W winds 15 to 20 kt with gusts up to
25 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.

$$

ANZ233-140000-
Vineyard Sound-
704 AM EDT Wed May 13 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM EDT THIS MORNING
THROUGH THIS EVENING...

.TODAY...S winds 10 to 15 kt, increasing to 15 to 20 kt this
afternoon. Gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: SW
4 ft at 5 seconds and NE 1 foot at 5 seconds.
.TONIGHT...S winds 15 to 20 kt with gusts up to 25 kt. Seas
around 3 ft. Wave Detail: SW 3 ft at 6 seconds and S 3 ft at
10 seconds.
.THU...SE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. Wave Detail: S 3 ft at 6 seconds and SE 1 foot at
11 seconds. Patchy fog. Showers. Vsby 1 to 3 NM in the afternoon.
.THU NIGHT...E winds 5 to 10 kt. Seas around 2 ft. Wave Detail:
SW 2 ft at 6 seconds and S 2 ft at 9 seconds. Showers. Patchy fog
in the evening with vsby 1 to 3 NM.
.FRI...NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SW 3 ft
at 10 seconds and SE 3 ft at 10 seconds. Showers likely.
.FRI NIGHT...N winds 5 to 10 kt, becoming W after midnight. Seas
2 to 3 ft. Wave Detail: E 2 ft at 10 seconds and S 2 ft at
10 seconds.
.SAT AND SAT NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt.
Seas 2 to 4 ft.
.SUN AND SUN NIGHT...W winds 10 to 15 kt. 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.

$$

ANZ234-140000-
Buzzards Bay-
704 AM EDT Wed May 13 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM EDT THIS MORNING
THROUGH THIS EVENING...

.TODAY...SW winds 10 to 15 kt with gusts up to 20 kt, becoming S
15 to 20 kt with gusts up to 30 kt this afternoon. Seas 2 to
4 ft. Wave Detail: S 3 ft at 5 seconds and E 1 foot at 6 seconds.
.TONIGHT...S winds 15 to 20 kt with gusts up to 25 kt. Seas
around 3 ft. Wave Detail: S 3 ft at 5 seconds and SE 3 ft at
11 seconds.
.THU...SE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. Wave Detail: S 3 ft at 6 seconds and SE 1 foot at
11 seconds. Patchy fog. Showers. Vsby 1 to 3 NM in the afternoon.
.THU NIGHT...E winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S
2 ft at 7 seconds and E 1 foot at 3 seconds. Showers. Patchy fog
in the evening with vsby 1 to 3 NM.
.FRI...NE winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SE
2 ft at 11 seconds and NE 1 foot at 2 seconds. Showers likely.
.FRI NIGHT...N winds 5 to 10 kt, becoming W after midnight. Seas
around 2 ft. Wave Detail: E 2 ft at 11 seconds and NE 1 foot at
3 seconds.
.SAT AND SAT NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt.
Seas 2 to 4 ft.
.SUN AND SUN NIGHT...W 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.

$$

ANZ235-140000-
Rhode Island Sound-
704 AM EDT Wed May 13 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM EDT THIS MORNING
THROUGH THIS EVENING...

.TODAY...S winds 10 to 15 kt, increasing to 15 to 20 kt this
afternoon. Gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: SE
4 ft at 6 seconds and SE 1 foot at 11 seconds.
.TONIGHT...S winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to
4 ft. Wave Detail: SW 4 ft at 6 seconds and SE 4 ft at 7 seconds.
.THU...SE winds 10 to 15 kt with gusts up to 20 kt. Seas around
3 ft. Wave Detail: S 3 ft at 6 seconds and SE 1 foot at
10 seconds. Patchy fog. Showers. Vsby 1 to 3 NM in the afternoon.
.THU NIGHT...SE winds 5 to 10 kt. Seas around 3 ft. Wave Detail:
SE 3 ft at 9 seconds and SW 2 ft at 8 seconds. Showers likely.
Patchy fog in the evening with vsby 1 to 3 NM.
.FRI...NE winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: S 4 ft
at 9 seconds and E 4 ft at 10 seconds. Showers likely.
.FRI NIGHT...N winds 5 to 10 kt, becoming W after midnight. Seas
2 to 4 ft. Wave Detail: SE 4 ft at 10 seconds and S 4 ft at
10 seconds.
.SAT THROUGH SUN NIGHT...SW winds 15 to 20 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.

$$

ANZ237-140000-
Block Island Sound-
704 AM EDT Wed May 13 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM EDT THIS MORNING
THROUGH THIS EVENING...

.TODAY...S winds 10 to 15 kt, increasing to 15 to 20 kt this
afternoon. Gusts up to 30 kt. Seas 2 to 4 ft. Wave Detail: S 4 ft
at 5 seconds and SE 2 ft at 8 seconds.
.TONIGHT...S winds 15 to 20 kt, becoming SE 10 to 15 kt after
midnight. Gusts up to 25 kt. Seas 3 to 4 ft. Wave Detail: S 4 ft
at 7 seconds and SE 1 foot at 11 seconds.
.THU...SE winds 10 to 15 kt with gusts up to 20 kt, becoming E
5 to 10 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: S 3 ft
at 6 seconds and SE 1 foot at 11 seconds. Patchy fog. Showers.
Vsby 1 to 3 NM.
.THU NIGHT...E winds around 5 kt, becoming S after midnight. Seas
2 to 3 ft. Wave Detail: SE 3 ft at 10 seconds and E 1 foot at
5 seconds. Showers likely. Patchy fog in the evening with vsby
1 to 3 NM.
.FRI...N winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft
at 10 seconds and NE 2 ft at 5 seconds. Showers likely.
.FRI NIGHT...N winds 5 to 10 kt, becoming W after midnight. Seas
2 to 4 ft. Wave Detail: SE 4 ft at 10 seconds and E 2 ft at
5 seconds.
.SAT THROUGH SUN NIGHT...W winds 10 to 15 kt with gusts up to
25 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.

$$

ANZ230-140000-
Boston Harbor-
704 AM EDT Wed May 13 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM EDT THIS MORNING
THROUGH THIS EVENING...

.TODAY...S winds 5 to 10 kt, increasing to 15 to 20 kt with gusts
up to 25 kt this afternoon. Waves around 2 ft. A slight chance of
showers.
.TONIGHT...S winds 15 to 20 kt, diminishing to 10 to 15 kt after
midnight. Gusts up to 25 kt. Waves around 2 ft.
.THU...SE winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to
3 ft. Patchy fog. Showers. Vsby 1 to 3 NM in the afternoon.
.THU NIGHT...E winds 10 to 15 kt. Waves around 2 ft in the
evening, then 1 foot or less. Showers. Patchy fog in the evening
with vsby 1 to 3 NM.
.FRI...NE winds around 10 kt. Waves around 2 ft. Showers.
.FRI NIGHT...NW winds 5 to 10 kt, becoming W after midnight.
Waves 1 foot or less.
.SAT THROUGH SUN NIGHT...NW 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.

$$

ANZ236-140000-
Narragansett Bay-
704 AM EDT Wed May 13 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM EDT THIS MORNING
THROUGH THIS EVENING...

.TODAY...S winds 10 to 15 kt, increasing to 15 to 20 kt this
afternoon. Gusts up to 25 kt. Waves 2 to 3 ft.
.TONIGHT...S winds 15 to 20 kt, diminishing to 10 to 15 kt after
midnight. Gusts up to 25 kt. Waves 2 to 4 ft.
.THU...SE winds 10 to 15 kt with gusts up to 20 kt, becoming E
5 to 10 kt in the afternoon. Waves 2 to 3 ft. Patchy fog.
Showers. Vsby 1 to 3 NM in the afternoon.
.THU NIGHT...E winds 5 to 10 kt. Waves 2 to 3 ft. A chance of
showers in the evening, then showers likely after midnight.
Patchy fog in the evening with vsby 1 to 3 NM.
.FRI...N winds 5 to 10 kt. Waves 2 to 3 ft. Showers likely.
.FRI NIGHT...N winds 5 to 10 kt, becoming W after midnight. Waves
2 to 3 ft.
.SAT THROUGH SUN NIGHT...W 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.

$$

ANZ280-140000-
Ocean Waters from the Merrimack River to Plymouth from 40 to
60 NM-
704 AM EDT Wed May 13 2026

.TODAY...S winds 5 to 10 kt with gusts up to 20 kt, increasing to
15 to 20 kt with gusts up to 30 kt this afternoon. Seas 2 to
4 ft. Wave Detail: S 4 ft at 4 seconds and SE 2 ft at 7 seconds.
A slight chance of showers this afternoon.
.TONIGHT...S winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to
4 ft. Wave Detail: SE 4 ft at 6 seconds and SE 1 foot at
11 seconds.
.THU...SE winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to
4 ft. Wave Detail: SE 4 ft at 6 seconds and SW 2 ft at 5 seconds.
Patchy fog. A chance of showers in the morning, then showers in
the afternoon. Vsby 1 NM or less, increasing to 1 to 3 NM in the
afternoon.
.THU NIGHT...E winds around 15 kt with gusts up to 25 kt. Seas
around 4 ft. Wave Detail: E 4 ft at 10 seconds and S 1 foot at
4 seconds. Showers. Patchy fog in the evening with vsby 1 NM or
less.
.FRI...NE winds 10 to 15 kt. Gusts up to 20 kt in the morning.
Seas 4 to 5 ft. Wave Detail: S 5 ft at 10 seconds and SE 5 ft at
11 seconds. Showers.
.FRI NIGHT...N winds around 10 kt, becoming W with gusts up to
20 kt after midnight. Seas 4 to 5 ft. Wave Detail: E 5 ft at
10 seconds and SE 4 ft at 10 seconds. A chance of showers in the
evening.
.SAT THROUGH SUN NIGHT...NW winds 15 to 20 kt with gusts up to
30 kt. Seas 4 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.

$$

ANZ281-140000-
Ocean Waters from Provincetown to Nantucket from 20 to 60 NM-
704 AM EDT Wed May 13 2026

.TODAY...SW winds 10 to 15 kt, becoming S 15 to 20 kt this
afternoon. Gusts up to 25 kt. Seas 3 to 5 ft. Wave Detail: S 3 ft
at 4 seconds and E 2 ft at 7 seconds.
.TONIGHT...S winds around 15 kt with gusts up to 25 kt. Seas 3 to
4 ft. Wave Detail: S 3 ft at 5 seconds and E 3 ft at 6 seconds.
Patchy fog after midnight with vsby 1 NM or less.
.THU...E winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to
5 ft. Wave Detail: SE 5 ft at 7 seconds and E 5 ft at 11 seconds.
Patchy fog. Showers likely. Vsby 1 NM or less.
.THU NIGHT...E winds 10 to 15 kt with gusts up to 20 kt. Seas
4 to 5 ft. Wave Detail: SE 5 ft at 10 seconds and E 3 ft at
6 seconds. Showers. Patchy fog in the evening with vsby 1 NM or
less.
.FRI...E winds around 10 kt, becoming NE in the afternoon. Seas
4 to 6 ft. Wave Detail: SE 6 ft at 10 seconds and S 6 ft at
11 seconds. Showers likely.
.FRI NIGHT...NW winds 10 to 15 kt. Seas 5 to 6 ft. Wave Detail: E
6 ft at 5 seconds and E 6 ft at 10 seconds.
.SAT THROUGH SUN NIGHT...W winds 15 to 20 kt with gusts up to
30 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.

$$

ANZ282-140000-
Ocean Waters from Marthas Vineyard to Nantucket from 25 to 60 NM-
704 AM EDT Wed May 13 2026

.TODAY...S winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to
4 ft. Wave Detail: SW 3 ft at 4 seconds and E 2 ft at 8 seconds.
.TONIGHT...SE winds around 15 kt with gusts up to 20 kt. Seas
3 to 4 ft. Wave Detail: S 3 ft at 6 seconds and NE 1 foot at
5 seconds.
.THU...E winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to
5 ft. Wave Detail: S 5 ft at 7 seconds and E 1 foot at 7 seconds.
Patchy fog. A chance of showers in the morning, then showers
likely in the afternoon. Vsby 1 NM or less.
.THU NIGHT...SE winds 5 to 10 kt, becoming S after midnight. Seas
4 to 5 ft. Wave Detail: SE 5 ft at 10 seconds and NE 1 foot at
5 seconds. Showers likely, mainly in the evening. Patchy fog in
the evening with vsby 1 NM or less.
.FRI...NW winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon. Seas 5 to 6 ft. Wave Detail: SE 6 ft at 10 seconds and
S 5 ft at 9 seconds. A chance of showers in the morning.
.FRI NIGHT...NW winds around 10 kt. Seas 5 to 6 ft. Wave Detail:
E 6 ft at 10 seconds and S 5 ft at 10 seconds.
.SAT THROUGH SUN NIGHT...W winds 15 to 20 kt with gusts up to
25 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.

$$

ANZ283-140000-
Ocean Waters from Montauk NY to Marthas Vineyard from 25 to 60 NM-
704 AM EDT Wed May 13 2026

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

$$

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