899
FZUS51 KBOX 152005
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
404 PM EDT Tue Sep 15 2026

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

ANZ200-160900-
404 PM EDT Tue Sep 15 2026

.Synopsis for Massachusetts and Rhode Island coastal waters...
High pres overhead today bringing dry conditions and light winds.
High then shifts southeast of the waters by Wed-Thu ahead of an
approaching cold front. Cold front will cross the waters Thu night
into early Fri followed by high pres building across the waters Sat.

$$

ANZ250-160900-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
404 PM EDT Tue Sep 15 2026

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

$$

ANZ251-160900-
Massachusetts Bay and Ipswich Bay-
404 PM EDT Tue Sep 15 2026

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

$$

ANZ231-160900-
Cape Cod Bay-
404 PM EDT Tue Sep 15 2026

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

$$

ANZ254-160900-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 NM-
404 PM EDT Tue Sep 15 2026

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

$$

ANZ255-160900-
Coastal Waters extending out to 25 NM South of Marthas Vineyard
and Nantucket-
404 PM EDT Tue Sep 15 2026

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

$$

ANZ256-160900-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 NM South of Block Island-
404 PM EDT Tue Sep 15 2026

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

$$

ANZ232-160900-
Nantucket Sound-
404 PM EDT Tue Sep 15 2026

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

$$

ANZ233-160900-
Vineyard Sound-
404 PM EDT Tue Sep 15 2026

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

$$

ANZ234-160900-
Buzzards Bay-
404 PM EDT Tue Sep 15 2026

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

$$

ANZ235-160900-
Rhode Island Sound-
404 PM EDT Tue Sep 15 2026

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

$$

ANZ237-160900-
Block Island Sound-
404 PM EDT Tue Sep 15 2026

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

$$

ANZ230-160900-
Boston Harbor-
404 PM EDT Tue Sep 15 2026

.TONIGHT...SE winds 5 to 10 kt, becoming SW after midnight. Waves
1 foot or less.
.WED...SW winds 5 to 10 kt. Waves 1 foot or less.
.WED NIGHT...SW winds 5 to 10 kt. Waves 1 foot or less.
.THU...N winds around 5 kt, becoming E in the afternoon. Waves
1 foot or less.
.THU NIGHT...S winds 5 to 10 kt, becoming SW after midnight.
Waves 1 foot or less. A chance of showers.
.FRI AND FRI NIGHT...N winds 5 to 10 kt. Waves around 2 ft.
.SAT...NE winds 5 to 10 kt. Waves 1 foot or less.
.SAT NIGHT THROUGH SUN NIGHT...NE 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.

$$

ANZ236-160900-
Narragansett Bay-
404 PM EDT Tue Sep 15 2026

.TONIGHT...SE winds around 5 kt, becoming SW after midnight.
Waves 1 foot or less.
.WED...SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt in the afternoon. Waves 1 foot or less, then around
2 ft in the afternoon.
.WED NIGHT...SW winds 5 to 10 kt. Waves around 2 ft in the
evening, then 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 10 to 15 kt. Waves around 2 ft. A chance of
showers after midnight.
.FRI AND FRI NIGHT...N winds 5 to 10 kt. Waves around 2 ft.
.SAT...E winds 5 to 10 kt. Waves around 2 ft.
.SAT NIGHT THROUGH SUN NIGHT...NE winds 10 to 15 kt with gusts up
to 20 kt. Waves 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.

$$

ANZ280-160900-
Ocean Waters from the Merrimack River to Plymouth from 40 to
60 NM-
404 PM EDT Tue Sep 15 2026

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

$$

ANZ281-160900-
Ocean Waters from Provincetown to Nantucket from 20 to 60 NM-
404 PM EDT Tue Sep 15 2026

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

$$

ANZ282-160900-
Ocean Waters from Marthas Vineyard to Nantucket from 25 to 60 NM-
404 PM EDT Tue Sep 15 2026

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

$$

ANZ283-160900-
Ocean Waters from Montauk NY to Marthas Vineyard from 25 to 60 NM-
404 PM EDT Tue Sep 15 2026

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

$$

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