844
FZUS51 KBOX 300805
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
405 AM EDT Wed Sep 30 2026

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

ANZ200-302100-
405 AM EDT Wed Sep 30 2026

.Synopsis for Massachusetts and Rhode Island coastal waters...
High pressure builds across the area Wednesday and then moves
southeastward and into the Atlantic through Friday.

$$

ANZ250-302100-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
405 AM EDT Wed Sep 30 2026

.TODAY...N winds around 5 kt, becoming S this afternoon. Seas
3 to 4 ft. Wave Detail: E 3 ft at 9 seconds and N 1 foot at
4 seconds.
.TONIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E
3 ft at 9 seconds and W 1 foot at 2 seconds.
.THU...SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: E 3 ft
at 9 seconds and SW 2 ft at 3 seconds.
.THU NIGHT...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 E 2 ft at
9 seconds.
.FRI...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 E 2 ft at 8 seconds.
.FRI NIGHT...SW winds 10 to 15 kt, becoming NW after midnight.
Gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: SW 3 ft at
4 seconds and E 2 ft at 11 seconds. A chance of showers.
.SAT THROUGH SUN...E winds 10 to 15 kt with gusts up to 20 kt.
Seas 2 to 3 ft.
.SUN NIGHT...S winds 5 to 10 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.

$$

ANZ251-302100-
Massachusetts Bay and Ipswich Bay-
405 AM EDT Wed Sep 30 2026

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

$$

ANZ231-302100-
Cape Cod Bay-
405 AM EDT Wed Sep 30 2026

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

$$

ANZ254-302100-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 NM-
405 AM EDT Wed Sep 30 2026

.TODAY...NW winds around 5 kt. Seas 3 to 4 ft. Wave Detail: E
3 ft at 9 seconds and N 1 foot at 5 seconds.
.TONIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E
3 ft at 9 seconds and W 1 foot at 4 seconds. Patchy fog after
midnight with vsby 1 NM or less.
.THU...SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: E 3 ft
at 9 seconds and W 2 ft at 3 seconds. Patchy fog in the morning
with vsby 1 NM or less.
.THU NIGHT...SW winds around 15 kt with gusts up to 20 kt. Seas
3 to 4 ft. Wave Detail: SW 3 ft at 4 seconds and E 2 ft at
9 seconds.
.FRI...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to
4 ft. Wave Detail: SW 4 ft at 5 seconds and E 2 ft at 8 seconds.
.FRI NIGHT...SW winds 15 to 20 kt, becoming W 10 to 15 kt after
midnight. Gusts up to 25 kt. Seas 3 to 4 ft. Wave Detail: SW 4 ft
at 5 seconds and E 2 ft at 11 seconds. A chance of showers.
.SAT...N winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft. A chance of showers.
.SAT NIGHT AND SUN...NE winds 5 to 10 kt. Seas 2 to 3 ft.
.SUN NIGHT...SE winds 5 to 10 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.

$$

ANZ255-302100-
Coastal Waters extending out to 25 NM South of Marthas Vineyard
and Nantucket-
405 AM EDT Wed Sep 30 2026

.TODAY...N winds around 5 kt, becoming SW this afternoon. Seas
2 to 3 ft. Wave Detail: E 3 ft at 9 seconds and S 2 ft at
7 seconds.
.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 3 seconds. Patchy fog after
midnight with vsby 1 NM or less.
.THU...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 6 seconds and SW 2 ft at
3 seconds.
.THU NIGHT...SW winds 15 to 20 kt. Seas 3 to 4 ft. Wave Detail:
SW 4 ft at 4 seconds and E 2 ft at 8 seconds.
.FRI...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to
4 ft. Wave Detail: SW 4 ft at 5 seconds and E 2 ft at 8 seconds.
.FRI NIGHT...SW winds 15 to 20 kt, becoming W 10 to 15 kt after
midnight. Gusts up to 25 kt. Seas 4 to 5 ft. Wave Detail: SW 5 ft
at 7 seconds and W 2 ft at 4 seconds. A chance of showers after
midnight.
.SAT...N winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
4 ft. A chance of showers.
.SAT NIGHT...NE winds 10 to 15 kt. Seas 2 to 3 ft.
.SUN AND SUN NIGHT...E winds 10 to 15 kt, becoming SE 5 to 10 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.

$$

ANZ256-302100-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 NM South of Block Island-
405 AM EDT Wed Sep 30 2026

.TODAY...N winds around 5 kt, becoming SW this afternoon. Seas
2 to 3 ft. Wave Detail: S 3 ft at 10 seconds and SE 2 ft at
9 seconds.
.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.
.THU...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 E 2 ft at
9 seconds.
.THU NIGHT...SW winds 15 to 20 kt. Seas 3 to 4 ft. Wave Detail:
SW 4 ft at 4 seconds and E 2 ft at 9 seconds.
.FRI...SW winds 15 to 20 kt. Seas 3 to 5 ft. Wave Detail: SW 5 ft
at 5 seconds and E 1 foot at 8 seconds.
.FRI NIGHT...SW winds 15 to 20 kt, becoming W 10 to 15 kt after
midnight. Gusts up to 25 kt. Seas 4 to 5 ft. Wave Detail: SW 5 ft
at 7 seconds and W 3 ft at 4 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. A chance of showers.
.SAT NIGHT...E winds 10 to 15 kt. Seas 2 to 3 ft.
.SUN AND SUN NIGHT...NE winds 10 to 15 kt. Seas around 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.

$$

ANZ232-302100-
Nantucket Sound-
405 AM EDT Wed Sep 30 2026

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

$$

ANZ233-302100-
Vineyard Sound-
405 AM EDT Wed Sep 30 2026

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

$$

ANZ234-302100-
Buzzards Bay-
405 AM EDT Wed Sep 30 2026

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

$$

ANZ235-302100-
Rhode Island Sound-
405 AM EDT Wed Sep 30 2026

.TODAY...N winds around 5 kt, becoming SW around 5 kt this
afternoon. Seas around 2 ft. Wave Detail: NW 2 ft at 3 seconds
and SE 2 ft at 9 seconds.
.TONIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SE
2 ft at 9 seconds and SW 1 foot at 2 seconds.
.THU...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 NE 1 foot
at 4 seconds.
.THU NIGHT...SW winds around 15 kt with gusts up to 20 kt. Seas
2 to 3 ft. Wave Detail: SW 3 ft at 4 seconds and E 1 foot at
9 seconds.
.FRI...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to
4 ft. Wave Detail: SW 4 ft at 6 seconds and W 2 ft at 3 seconds.
.FRI NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt,
becoming W 10 to 15 kt after midnight. Seas 3 to 4 ft. Wave
Detail: SW 4 ft at 7 seconds and SW 2 ft at 3 seconds. A chance
of showers.
.SAT...NE winds 10 to 15 kt. Seas 2 to 4 ft. A chance of showers.
.SAT NIGHT AND SUN...NE winds 5 to 10 kt, becoming E 10 to 15 kt.
Seas around 2 ft.
.SUN NIGHT...NE winds around 10 kt. Seas 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.

$$

ANZ237-302100-
Block Island Sound-
405 AM EDT Wed Sep 30 2026

.TODAY...N winds around 5 kt, becoming SW around 5 kt this
afternoon. Seas around 2 ft. Wave Detail: N 2 ft at 3 seconds and
SE 2 ft at 9 seconds.
.TONIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SE
2 ft at 9 seconds and SW 1 foot at 2 seconds.
.THU...SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: S 2 ft
at 7 seconds and SW 1 foot at 2 seconds.
.THU NIGHT...SW 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 E 1 foot at
9 seconds.
.FRI...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft. Wave Detail: SE 3 ft at 7 seconds and E 1 foot at
3 seconds.
.FRI NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt,
becoming NW after midnight. Seas 2 to 4 ft. Wave Detail: S 3 ft
at 7 seconds and W 1 foot at 4 seconds. A chance of showers.
.SAT...NE winds 10 to 15 kt. Seas 2 to 3 ft. A chance of showers.
.SAT NIGHT AND SUN...NE winds 5 to 10 kt, becoming E 10 to 15 kt.
Seas 2 to 3 ft.
.SUN NIGHT...NE winds 5 to 10 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.

$$

ANZ230-302100-
Boston Harbor-
405 AM EDT Wed Sep 30 2026

.TODAY...NW winds around 5 kt, becoming E this afternoon. Waves
1 foot or less.
.TONIGHT...S winds 5 to 10 kt, becoming SW after midnight. Waves
1 foot or less.
.THU...SW winds 5 to 10 kt. Waves 1 foot or less, then around
2 ft in the afternoon.
.THU NIGHT...SW winds around 10 kt. Waves around 2 ft.
.FRI...SW 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.
.FRI NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt,
becoming NW after midnight. Waves around 2 ft. A chance of
showers.
.SAT THROUGH SUN...E winds 5 to 10 kt. Waves 1 foot or less.
.SUN NIGHT...S winds 5 to 10 kt. Waves 1 foot or less. 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.

$$

ANZ236-302100-
Narragansett Bay-
405 AM EDT Wed Sep 30 2026

.TODAY...NW winds around 5 kt, becoming S this afternoon. Waves
1 foot or less.
.TONIGHT...SW winds 5 to 10 kt. Waves 1 foot or less.
.THU...SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt in the afternoon. Waves 2 to 3 ft.
.THU NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Waves around 2 ft.
.FRI...SW winds 10 to 15 kt with gusts up to 25 kt. Waves 2 to
3 ft.
.FRI NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt,
becoming NW after midnight. Waves 2 to 3 ft. A chance of showers.
.SAT THROUGH SUN...E winds 5 to 10 kt. Waves around 2 ft.
.SUN NIGHT...S 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.

$$

ANZ280-302100-
Ocean Waters from the Merrimack River to Plymouth from 40 to
60 NM-
405 AM EDT Wed Sep 30 2026

.TODAY...N winds 5 to 10 kt, becoming NW this afternoon. Seas
3 to 4 ft. Wave Detail: E 3 ft at 9 seconds and N 2 ft at
5 seconds.
.TONIGHT...SW winds 5 to 10 kt. Seas around 3 ft. Wave Detail: E
3 ft at 9 seconds and S 2 ft at 7 seconds.
.THU...SW winds 10 to 15 kt. Gusts up to 20 kt in the afternoon.
Seas 3 to 4 ft. Wave Detail: SW 3 ft at 4 seconds and E 3 ft at
9 seconds. Patchy fog. Vsby 1 NM or less.
.THU NIGHT...SW winds around 15 kt with gusts up to 25 kt. Seas
3 to 4 ft. Wave Detail: SW 4 ft at 5 seconds and E 2 ft at
9 seconds.
.FRI...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to
4 ft. Wave Detail: SW 4 ft at 5 seconds and E 2 ft at 8 seconds.
.FRI NIGHT...SW winds 15 to 20 kt, becoming NW 10 to 15 kt after
midnight. Gusts up to 25 kt. Seas 3 to 4 ft. Wave Detail: SW 4 ft
at 5 seconds and E 2 ft at 11 seconds. A chance of showers.
.SAT AND SAT NIGHT...N winds 10 to 15 kt. Gusts up to 20 kt. Seas
2 to 4 ft.
.SUN...E winds 10 to 15 kt. Seas 3 to 5 ft.
.SUN NIGHT...S winds 10 to 15 kt. Seas 4 to 6 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.

$$

ANZ281-302100-
Ocean Waters from Provincetown to Nantucket from 20 to 60 NM-
405 AM EDT Wed Sep 30 2026

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

$$

ANZ282-302100-
Ocean Waters from Marthas Vineyard to Nantucket from 25 to 60 NM-
405 AM EDT Wed Sep 30 2026

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

$$

ANZ283-302100-
Ocean Waters from Montauk NY to Marthas Vineyard from 25 to 60 NM-
405 AM EDT Wed Sep 30 2026

.TODAY...NW winds around 5 kt. Seas around 3 ft. Wave Detail: E
3 ft at 9 seconds and S 2 ft at 8 seconds.
.TONIGHT...W winds 5 to 10 kt. Seas around 3 ft. Wave Detail: E
3 ft at 9 seconds and SW 1 foot at 3 seconds.
.THU...SW 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 E 3 ft at
9 seconds.
.THU NIGHT...SW winds 15 to 20 kt. Seas 3 to 4 ft. Wave Detail:
SW 4 ft at 5 seconds and E 2 ft at 9 seconds.
.FRI...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to
6 ft. Wave Detail: SW 6 ft at 6 seconds and E 2 ft at 8 seconds.
.FRI NIGHT...SW winds 15 to 20 kt, becoming W after midnight.
Gusts up to 25 kt. Seas 5 to 6 ft. Wave Detail: SW 6 ft at
7 seconds and W 4 ft at 4 seconds. A chance of showers after
midnight.
.SAT...N winds around 15 kt with gusts up to 20 kt. Seas 3 to
5 ft. A chance of showers.
.SAT NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 4 ft.
.SUN AND SUN NIGHT...E winds 10 to 15 kt with gusts up to 20 kt,
becoming S. 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.

$$

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