857
FZUS51 KBOX 131405
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
1005 AM EDT Sun Sep 13 2026

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

ANZ200-140300-
1005 AM EDT Sun Sep 13 2026

.Synopsis for Massachusetts and Rhode Island coastal waters...
A warm front will then cross the waters today. This warm front will
be accompanied by heavy showers and possibly a few embedded
thunderstorms. A cold front quickly follows late tonight with high
pres building across the waters Mon into Tue. This high will then
shift east of the waters Wed into Thu as our next cold front
approaches from the west.

$$

ANZ250-140300-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
1005 AM EDT Sun Sep 13 2026

.THIS AFTERNOON...SE winds 10 to 15 kt with gusts up to 20 kt.
Seas 2 to 3 ft. Wave Detail: SE 3 ft at 4 seconds and N 1 foot at
4 seconds. Patchy fog. Showers with a slight chance of tstms.
Some tstms may produce frequent lightning and heavy rainfall.
Vsby 1 to 3 NM, decreasing to 1 NM or less.
.TONIGHT...S winds 5 to 10 kt, becoming W after midnight. Seas
around 2 ft. Wave Detail: SE 2 ft at 4 seconds and SE 2 ft at
10 seconds. Patchy fog. A chance of showers after midnight. Vsby
1 NM or less.
.MON...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
4 ft. Wave Detail: N 3 ft at 5 seconds and SE 3 ft at 9 seconds.
A chance of showers in the morning.
.MON NIGHT...N winds 15 to 20 kt with gusts up to 25 kt. Seas
2 to 4 ft. Wave Detail: N 4 ft at 5 seconds and S 2 ft at
7 seconds.
.TUE...NE winds 10 to 15 kt with gusts up to 20 kt, diminishing
to 5 to 10 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: N
3 ft at 5 seconds and S 2 ft at 6 seconds.
.TUE NIGHT...SE winds 5 to 10 kt, becoming S after midnight. Seas
2 to 3 ft. Wave Detail: E 2 ft at 5 seconds and NW 1 foot at
4 seconds.
.WED THROUGH THU...SE winds 5 to 10 kt. Seas 2 to 3 ft.
.THU NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. A chance of
showers.

Winds and seas higher in and near tstms.

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.

$$

ANZ251-140300-
Massachusetts Bay and Ipswich Bay-
1005 AM EDT Sun Sep 13 2026

.THIS AFTERNOON...SE winds around 10 kt. Seas around 2 ft. Wave
Detail: SE 2 ft at 4 seconds and SE 1 foot at 10 seconds. Patchy
fog. Showers. A slight chance of tstms, then a chance of tstms.
Some tstms may produce frequent lightning and heavy rainfall.
Vsby 1 to 3 NM, decreasing to 1 NM or less.
.TONIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SE
2 ft at 4 seconds and N 1 foot at 4 seconds. Patchy fog. A chance
of showers after midnight. Vsby 1 NM or less.
.MON...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
3 ft. Wave Detail: NW 2 ft at 3 seconds and SE 2 ft at
10 seconds. A chance of showers in the morning.
.MON NIGHT...N winds 10 to 15 kt with gusts up to 25 kt. Seas
2 to 3 ft. Wave Detail: N 3 ft at 4 seconds and S 2 ft at
6 seconds.
.TUE...NE winds around 10 kt with gusts up to 20 kt, becoming E
in the afternoon. Seas around 2 ft. Wave Detail: N 2 ft at
4 seconds and SE 2 ft at 6 seconds.
.TUE NIGHT...SE winds 5 to 10 kt, becoming S after midnight. Seas
around 2 ft. Wave Detail: E 2 ft at 4 seconds and NW 1 foot at
4 seconds.
.WED THROUGH THU...E winds 5 to 10 kt. Seas 2 to 3 ft.
.THU NIGHT...S winds 5 to 10 kt. Seas around 2 ft. A chance of
showers.

Winds and seas higher in and near tstms.

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.

$$

ANZ231-140300-
Cape Cod Bay-
1005 AM EDT Sun Sep 13 2026

.THIS AFTERNOON...SE winds around 10 kt with gusts up to 20 kt.
Seas around 2 ft. Wave Detail: N 1 foot at 3 seconds and SE
1 foot at 3 seconds. Patchy fog. Showers. A slight chance of
tstms, then a chance of tstms. Some tstms may produce frequent
lightning and heavy rainfall. Vsby 1 to 3 NM, decreasing to 1 NM
or less.
.TONIGHT...W winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SE
2 ft at 3 seconds and NW 1 foot at 4 seconds. Patchy fog. A
chance of showers after midnight. Vsby 1 NM or less.
.MON...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
3 ft. Wave Detail: N 2 ft at 4 seconds and S 1 foot at 6 seconds.
A chance of showers in the morning.
.MON NIGHT...N winds 10 to 15 kt with gusts up to 25 kt. Seas
2 to 4 ft. Wave Detail: N 3 ft at 4 seconds and SW 1 foot at
6 seconds.
.TUE...NE winds 10 to 15 kt, diminishing to 5 to 10 kt in the
afternoon. Gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: N 2 ft
at 5 seconds and S 1 foot at 6 seconds.
.TUE NIGHT...E winds 5 to 10 kt, becoming S after midnight. Seas
around 2 ft. Wave Detail: N 2 ft at 5 seconds and SE 1 foot at
8 seconds.
.WED THROUGH THU...S winds 5 to 10 kt. Seas around 2 ft.
.THU NIGHT...S winds 5 to 10 kt. Seas around 2 ft. A chance of
showers.

Winds and seas higher in and near tstms.

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.

$$

ANZ254-140300-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 NM-
1005 AM EDT Sun Sep 13 2026

.THIS AFTERNOON...SE winds 10 to 15 kt with gusts up to 25 kt.
Seas 2 to 3 ft. Wave Detail: SE 3 ft at 4 seconds and NE 1 foot
at 3 seconds. Patchy fog. Showers. A slight chance of tstms, then
a chance of tstms. Some tstms may produce frequent lightning and
heavy rainfall. Vsby 1 to 3 NM, decreasing to 1 NM or less.
.TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, becoming
W 5 to 10 kt after midnight. Seas 2 to 3 ft. Wave Detail: SE 3 ft
at 5 seconds and SE 2 ft at 9 seconds. Patchy fog. A chance of
showers in the evening. Vsby 1 NM or less.
.MON...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
4 ft. Wave Detail: NW 3 ft at 4 seconds and S 3 ft at 7 seconds.
Patchy fog in the morning. A chance of showers in the morning
with vsby 1 NM or less.
.MON NIGHT...N winds 15 to 20 kt with gusts up to 25 kt. Seas
3 to 4 ft. Wave Detail: N 4 ft at 5 seconds and NW 3 ft at
4 seconds.
.TUE...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft. Wave Detail: N 4 ft at 5 seconds and SE 2 ft at 9 seconds.
.TUE NIGHT...E winds 5 to 10 kt, becoming SE after midnight. Seas
2 to 4 ft. Wave Detail: E 3 ft at 7 seconds and N 2 ft at
5 seconds.
.WED THROUGH THU NIGHT...S winds 5 to 10 kt. Seas 2 to 4 ft.

Winds and seas higher in and near tstms.

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.

$$

ANZ255-140300-
Coastal Waters extending out to 25 NM South of Marthas Vineyard
and Nantucket-
1005 AM EDT Sun Sep 13 2026

.THIS AFTERNOON...S winds 10 to 15 kt with gusts up to 25 kt.
Seas around 3 ft. Wave Detail: S 3 ft at 6 seconds and NE 1 foot
at 4 seconds. Patchy fog. Showers. A slight chance of tstms, then
a chance of tstms. Some tstms may produce frequent lightning and
heavy rainfall. Vsby 1 NM or less.
.TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, becoming
W 5 to 10 kt after midnight. Seas 2 to 3 ft. Wave Detail: S 3 ft
at 6 seconds and NW 2 ft at 2 seconds. Patchy fog. Vsby 1 NM or
less.
.MON...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to
4 ft. Wave Detail: S 3 ft at 6 seconds and N 2 ft at 4 seconds.
Patchy fog in the morning. A chance of showers in the morning
with vsby 1 NM or less.
.MON NIGHT...N winds 15 to 20 kt with gusts up to 25 kt. Seas
3 to 4 ft. Wave Detail: N 3 ft at 4 seconds and SW 2 ft at
6 seconds.
.TUE AND TUE NIGHT...E winds 10 to 15 kt with gusts up to 20 kt.
Seas 2 to 4 ft. Wave Detail: N 3 ft at 5 seconds and S 1 foot at
5 seconds.
.WED THROUGH THU NIGHT...S winds 5 to 10 kt. Seas 2 to 4 ft. Wave
Detail: E 3 ft at 7 seconds and N 1 foot at 6 seconds.

Winds and seas higher in and near tstms.

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.

$$

ANZ256-140300-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 NM South of Block Island-
1005 AM EDT Sun Sep 13 2026

.THIS AFTERNOON...SE winds 10 to 15 kt, becoming SW. Gusts up to
20 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 6 seconds and E
1 foot at 3 seconds. Patchy fog. Showers with a chance of tstms.
Some tstms may produce frequent lightning and heavy rainfall.
Vsby 1 NM or less.
.TONIGHT...W winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: SE
4 ft at 5 seconds and NW 1 foot at 3 seconds. Patchy fog. A
chance of showers after midnight. Vsby 1 NM or less.
.MON...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to
4 ft. Wave Detail: S 3 ft at 6 seconds and N 2 ft at 4 seconds. A
chance of showers in the morning.
.MON NIGHT...N winds 15 to 20 kt with gusts up to 25 kt. Seas
3 to 4 ft. Wave Detail: N 3 ft at 4 seconds and SW 2 ft at
6 seconds.
.TUE...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft. Wave Detail: N 3 ft at 4 seconds and S 1 foot at 5 seconds.
.TUE NIGHT...E winds 5 to 10 kt, becoming SE after midnight. Seas
around 2 ft. Wave Detail: E 2 ft at 5 seconds and SE 2 ft at
9 seconds.
.WED THROUGH THU NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft.

Winds and seas higher in and near tstms.

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.

$$

ANZ232-140300-
Nantucket Sound-
1005 AM EDT Sun Sep 13 2026

.THIS AFTERNOON...SE winds 10 to 15 kt with gusts up to 20 kt.
Seas 2 to 3 ft. Wave Detail: SE 2 ft at 3 seconds and N 1 foot at
3 seconds. Patchy fog. Showers. A slight chance of tstms, then a
chance of tstms. Some tstms may produce frequent lightning and
heavy rainfall. Vsby 1 to 3 NM, decreasing to 1 NM or less.
.TONIGHT...W winds 5 to 10 kt. Gusts up to 20 kt in the evening.
Seas 2 to 3 ft. Wave Detail: SW 2 ft at 6 seconds and NW 1 foot
at 3 seconds. Patchy fog. Vsby 1 NM or less.
.MON...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
3 ft. Wave Detail: NW 2 ft at 3 seconds and E 1 foot at
4 seconds. Patchy fog in the morning. Showers likely in the
morning with vsby 1 to 3 NM.
.MON NIGHT...N 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: N
3 ft at 4 seconds and SW 1 foot at 6 seconds.
.TUE...NE winds 10 to 15 kt, diminishing to 5 to 10 kt in the
afternoon. Gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: N 2 ft
at 4 seconds and S 1 foot at 5 seconds.
.TUE NIGHT...E winds 5 to 10 kt, becoming SE after midnight. Seas
around 2 ft. Wave Detail: N 2 ft at 5 seconds and E 1 foot at
5 seconds.
.WED THROUGH THU NIGHT...S winds 5 to 10 kt. Seas around 2 ft.

Winds and seas higher in and near tstms.

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.

$$

ANZ233-140300-
Vineyard Sound-
1005 AM EDT Sun Sep 13 2026

.THIS AFTERNOON...SE winds around 10 kt with gusts up to 20 kt.
Seas 2 to 3 ft. Wave Detail: SE 2 ft at 4 seconds and N 1 foot at
3 seconds. Patchy fog. Showers with a chance of tstms. Some tstms
may produce frequent lightning and heavy rainfall. Vsby 1 NM or
less.
.TONIGHT...W winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW
2 ft at 6 seconds and NW 1 foot at 3 seconds. Patchy fog. A
chance of showers after midnight. Vsby 1 NM or less.
.MON...NW winds around 10 kt with gusts up to 25 kt. Seas 2 to
3 ft. Wave Detail: SW 2 ft at 6 seconds and NW 1 foot at
3 seconds. Showers likely in the morning.
.MON NIGHT...N winds 10 to 15 kt with gusts up to 25 kt. Seas
2 to 3 ft. Wave Detail: N 1 foot at 3 seconds and SW 1 foot at
6 seconds.
.TUE...NE winds 10 to 15 kt. Gusts up to 20 kt in the morning.
Seas 2 to 3 ft. Wave Detail: N 2 ft at 3 seconds and S 1 foot at
6 seconds.
.TUE NIGHT...E winds 5 to 10 kt, becoming S after midnight. Seas
1 foot or less. Wave Detail: NW 1 foot at 3 seconds and E 1 foot
at 3 seconds.
.WED THROUGH THU NIGHT...S winds 5 to 10 kt. Seas around 2 ft.

Winds and seas higher in and near tstms.

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.

$$

ANZ234-140300-
Buzzards Bay-
1005 AM EDT Sun Sep 13 2026

.THIS AFTERNOON...SE winds around 10 kt with gusts up to 20 kt.
Seas 2 to 3 ft. Wave Detail: N 2 ft at 6 seconds and SE 1 foot at
4 seconds. Patchy fog. Showers with a chance of tstms. Some tstms
may produce frequent lightning and heavy rainfall. Vsby 1 NM or
less.
.TONIGHT...W winds 5 to 10 kt. Seas around 2 ft. Wave Detail: W
2 ft at 5 seconds and SE 1 foot at 4 seconds. Patchy fog. A
chance of showers after midnight. Vsby 1 NM or less.
.MON...NW winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to
3 ft. Wave Detail: W 1 foot at 4 seconds and E 1 foot at
4 seconds. A chance of showers in the morning.
.MON NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 3 ft. Wave Detail: N 1 foot at 3 seconds and SW 1 foot at
6 seconds.
.TUE...NE winds 5 to 10 kt. Gusts up to 20 kt in the morning.
Seas around 2 ft. Wave Detail: N 1 foot at 3 seconds and S 1 foot
at 5 seconds.
.TUE NIGHT...E winds 5 to 10 kt, becoming S after midnight. Seas
1 foot or less. Wave Detail: E 1 foot at 2 seconds and NW 1 foot
at 3 seconds.
.WED THROUGH THU...S winds 5 to 10 kt. Seas around 2 ft.
.THU NIGHT...S winds 5 to 10 kt. Seas around 2 ft. A chance of
showers.

Winds and seas higher in and near tstms.

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.

$$

ANZ235-140300-
Rhode Island Sound-
1005 AM EDT Sun Sep 13 2026

.THIS AFTERNOON...S 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 N 1 foot at
3 seconds. Patchy fog. Showers with a chance of tstms. Some tstms
may produce frequent lightning and heavy rainfall. Vsby 1 NM or
less.
.TONIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE
3 ft at 5 seconds and NW 1 foot at 3 seconds. Patchy fog. A
chance of showers after midnight. Vsby 1 NM or less.
.MON...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
3 ft. Wave Detail: SE 3 ft at 5 seconds and NW 1 foot at
3 seconds. A chance of showers in the morning.
.MON NIGHT...N winds 10 to 15 kt with gusts up to 25 kt. Seas
2 to 3 ft. Wave Detail: N 2 ft at 3 seconds and S 2 ft at
6 seconds.
.TUE...NE 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: N 2 ft
at 3 seconds and S 1 foot at 5 seconds.
.TUE NIGHT...E winds 5 to 10 kt, becoming S after midnight. Seas
around 2 ft. Wave Detail: NW 1 foot at 2 seconds and E 1 foot at
4 seconds.
.WED THROUGH THU NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft.

Winds and seas higher in and near tstms.

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.

$$

ANZ237-140300-
Block Island Sound-
1005 AM EDT Sun Sep 13 2026

.THIS AFTERNOON...SE winds around 10 kt with gusts up to 20 kt,
becoming S. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 4 seconds and
N 1 foot at 3 seconds. Patchy fog. Showers with a chance of
tstms. Some tstms may produce frequent lightning and heavy
rainfall. Vsby 1 NM or less.
.TONIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE
3 ft at 5 seconds and W 1 foot at 2 seconds. Patchy fog. A chance
of showers after midnight. Vsby 1 NM or less.
.MON...NW winds around 10 kt with gusts up to 25 kt. Seas 2 to
3 ft. Wave Detail: S 2 ft at 6 seconds and SE 2 ft at 9 seconds.
A chance of showers in the morning.
.MON NIGHT...N winds 10 to 15 kt with gusts up to 25 kt. Seas
2 to 3 ft. Wave Detail: N 2 ft at 3 seconds and S 2 ft at
6 seconds.
.TUE...NE winds around 10 kt with gusts up to 20 kt, becoming E
in the afternoon. Seas 2 to 3 ft. Wave Detail: NE 2 ft at
3 seconds and NW 1 foot at 2 seconds.
.TUE NIGHT...SE winds 5 to 10 kt. Seas around 2 ft. Wave Detail:
N 1 foot at 3 seconds and E 1 foot at 5 seconds.
.WED THROUGH THU NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft.

Winds and seas higher in and near tstms.

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.

$$

ANZ230-140300-
Boston Harbor-
1005 AM EDT Sun Sep 13 2026

.THIS AFTERNOON...SE winds 5 to 10 kt. Waves 1 foot or less.
Patchy fog. Showers with a chance of tstms. Some tstms may
produce frequent lightning and heavy rainfall. Vsby 1 to 3 NM,
decreasing to 1 NM or less.
.TONIGHT...SW winds 5 to 10 kt. Waves 1 foot or less, then around
2 ft after midnight. Patchy fog. A chance of showers after
midnight. Vsby 1 NM or less.
.MON...NW winds around 10 kt with gusts up to 20 kt. Waves around
2 ft. A chance of showers in the morning.
.MON NIGHT...N winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Waves around 2 ft.
.TUE...NE winds around 10 kt, becoming E in the afternoon. Waves
around 2 ft in the morning, then 1 foot or less.
.TUE NIGHT...SE winds around 5 kt, becoming S after midnight.
Waves 1 foot or less.
.WED THROUGH THU...E winds 5 to 10 kt. Waves 1 foot or less.
.THU NIGHT...S winds 5 to 10 kt. Waves 1 foot or less. A chance
of showers.

Winds and waves higher in and near tstms.

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.

$$

ANZ236-140300-
Narragansett Bay-
1005 AM EDT Sun Sep 13 2026

.THIS AFTERNOON...SE winds 5 to 10 kt. Gusts up to 20 kt. Waves
around 2 ft. Patchy fog. Showers with a chance of tstms. Some
tstms may produce frequent lightning and heavy rainfall. Vsby
1 NM or less.
.TONIGHT...W winds 5 to 10 kt. Waves around 2 ft. Patchy fog. A
chance of showers after midnight. Vsby 1 NM or less.
.MON...NW winds around 10 kt with gusts up to 20 kt. Waves around
2 ft. A chance of showers in the morning.
.MON NIGHT...N winds around 10 kt with gusts up to 20 kt. Waves
around 2 ft.
.TUE...NE winds 5 to 10 kt, becoming E in the afternoon. Waves
around 2 ft.
.TUE NIGHT...S winds around 5 kt. Waves 1 foot or less.
.WED THROUGH THU...S winds 5 to 10 kt. Waves around 2 ft.
.THU NIGHT...S winds 5 to 10 kt. Waves around 2 ft. A chance of
showers.

Winds and waves higher in and near tstms.

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.

$$

ANZ280-140300-
Ocean Waters from the Merrimack River to Plymouth from 40 to
60 NM-
1005 AM EDT Sun Sep 13 2026

.THIS AFTERNOON...SE winds 10 to 15 kt with gusts up to 25 kt.
Seas around 3 ft. Wave Detail: SE 3 ft at 4 seconds and SE 1 foot
at 10 seconds. A chance of showers, then showers with a chance of
tstms. Patchy fog. Some tstms may produce frequent lightning and
heavy rainfall with vsby 1 NM or less.
.TONIGHT...S winds 10 to 15 kt with gusts up to 20 kt, becoming W
5 to 10 kt after midnight. Seas 2 to 3 ft. Wave Detail: SE 3 ft
at 9 seconds and SE 2 ft at 5 seconds. Patchy fog. A chance of
showers in the evening. Vsby 1 NM or less.
.MON...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to
4 ft. Wave Detail: W 3 ft at 4 seconds and S 3 ft at 7 seconds.
Patchy fog in the morning. A chance of showers in the morning
with vsby 1 to 3 NM.
.MON NIGHT...N winds 15 to 20 kt with gusts up to 30 kt. Seas
3 to 4 ft. Wave Detail: NW 4 ft at 5 seconds and N 4 ft at
5 seconds.
.TUE...NE winds 10 to 15 kt with gusts up to 25 kt, diminishing
to 5 to 10 kt in the afternoon. Seas 2 to 4 ft. Wave Detail: NE
4 ft at 5 seconds and NW 3 ft at 5 seconds.
.TUE NIGHT...SE winds 5 to 10 kt, becoming S after midnight. Seas
2 to 3 ft. Wave Detail: NE 2 ft at 5 seconds and NW 1 foot at
4 seconds.
.WED THROUGH THU...SE winds 5 to 10 kt. Seas 2 to 3 ft.
.THU NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 3 ft. A chance of showers.

Winds and seas higher in and near tstms.

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.

$$

ANZ281-140300-
Ocean Waters from Provincetown to Nantucket from 20 to 60 NM-
1005 AM EDT Sun Sep 13 2026

.THIS AFTERNOON...SE winds 10 to 15 kt with gusts up to 25 kt.
Seas around 3 ft. Wave Detail: S 3 ft at 4 seconds and SE 2 ft at
10 seconds. Patchy fog. A chance of showers, then showers with a
chance of tstms. Some tstms may produce frequent lightning and
heavy rainfall. Vsby 1 to 3 NM, decreasing to 1 NM or less.
.TONIGHT...SW winds 10 to 15 kt, becoming W after midnight. Gusts
up to 20 kt. Seas 3 to 4 ft. Wave Detail: S 4 ft at 6 seconds and
SE 3 ft at 9 seconds. Patchy fog. A chance of showers in the
evening. Vsby 1 NM or less.
.MON...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to
4 ft. Wave Detail: NW 3 ft at 4 seconds and S 3 ft at 7 seconds.
A chance of showers. Patchy fog in the morning with vsby 1 NM or
less.
.MON NIGHT...N winds 15 to 20 kt with gusts up to 30 kt. Seas
3 to 5 ft. Wave Detail: NE 4 ft at 5 seconds and N 4 ft at
5 seconds.
.TUE AND TUE NIGHT...E winds 10 to 15 kt with gusts up to 25 kt.
Seas 3 to 5 ft. Wave Detail: N 4 ft at 5 seconds and S 1 foot at
5 seconds.
.WED THROUGH THU...SE winds 5 to 10 kt. Seas 3 to 5 ft. Wave
Detail: E 4 ft at 8 seconds and S 1 foot at 4 seconds.
.THU NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft.

Winds and seas higher in and near tstms.

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.

$$

ANZ282-140300-
Ocean Waters from Marthas Vineyard to Nantucket from 25 to 60 NM-
1005 AM EDT Sun Sep 13 2026

.THIS AFTERNOON...S winds 10 to 15 kt with gusts up to 25 kt.
Seas 3 to 4 ft. Wave Detail: S 4 ft at 6 seconds and SE 2 ft at
10 seconds. Patchy fog. Showers with a slight chance of tstms,
then showers with a chance of tstms. Some tstms may produce
frequent lightning and heavy rainfall. Vsby 1 to 3 NM, decreasing
to 1 NM or less.
.TONIGHT...W winds 10 to 15 kt. Gusts up to 25 kt in the evening.
Seas 3 to 4 ft. Wave Detail: SW 4 ft at 6 seconds and SE 2 ft at
9 seconds. Patchy fog. A chance of showers in the evening. Vsby
1 NM or less.
.MON...NW winds 10 to 15 kt, becoming N in the afternoon. Gusts
up to 20 kt. Seas 3 to 4 ft. Wave Detail: N 3 ft at 4 seconds and
SW 3 ft at 6 seconds. A chance of showers. Patchy fog in the
morning with vsby 1 NM or less.
.MON NIGHT...N winds 15 to 20 kt with gusts up to 25 kt. Seas
3 to 4 ft. Wave Detail: N 4 ft at 5 seconds and SW 2 ft at
6 seconds.
.TUE AND TUE NIGHT...NE winds 15 to 20 kt. Seas 3 to 5 ft. Wave
Detail: N 4 ft at 5 seconds and SE 1 foot at 9 seconds.
.WED THROUGH THU...SE winds around 5 kt. Seas 3 to 5 ft. Wave
Detail: E 4 ft at 7 seconds and N 1 foot at 5 seconds.
.THU NIGHT...S winds around 5 kt. Seas 2 to 3 ft.

Winds and seas higher in and near tstms.

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.

$$

ANZ283-140300-
Ocean Waters from Montauk NY to Marthas Vineyard from 25 to 60 NM-
1005 AM EDT Sun Sep 13 2026

.THIS AFTERNOON...S winds 10 to 15 kt with gusts up to 30 kt.
Seas 3 to 4 ft. Wave Detail: S 4 ft at 6 seconds and SE 1 foot at
10 seconds. Patchy fog. Showers with a chance of tstms. Some
tstms may produce frequent lightning and heavy rainfall. Vsby
1 NM or less.
.TONIGHT...W winds 10 to 15 kt. Gusts up to 25 kt in the evening.
Seas 3 to 4 ft. Wave Detail: S 4 ft at 6 seconds and W 2 ft at
3 seconds. Patchy fog. Vsby 1 NM or less.
.MON...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to
4 ft. Wave Detail: N 3 ft at 4 seconds and S 3 ft at 6 seconds. A
chance of showers in the morning.
.MON NIGHT...N winds 15 to 20 kt with gusts up to 25 kt. Seas
3 to 4 ft. Wave Detail: N 4 ft at 5 seconds and SE 2 ft at
9 seconds.
.TUE AND TUE NIGHT...E winds 15 to 20 kt with gusts up to 25 kt.
Seas 2 to 4 ft. Wave Detail: N 4 ft at 5 seconds and SE 3 ft at
9 seconds.
.WED THROUGH THU NIGHT...S winds 5 to 10 kt. Seas 2 to 4 ft. Wave
Detail: E 3 ft at 7 seconds and NW 2 ft at 5 seconds.

Winds and seas higher in and near tstms.

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.

$$

For the latest updates...please visit our webpage at
www.weather.gov/boston

You can follow us on Facebook at
www.facebook.com/us.nationalweatherservice.boston.gov

You can follow us on Twitter at
@NWSBoston