448
FZUS51 KBOX 190805
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
404 AM EDT Sat Sep 19 2026

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

ANZ200-192100-
404 AM EDT Sat Sep 19 2026

.Synopsis for Massachusetts and Rhode Island coastal waters...
High pressure builds back in from the NNW this afternoon into
Saturday. Then a developing low pressure system brings the threat of
widespread rain, especially the southern waters on Sunday. High
pressure builds in from the north early next week with the distant
system off shore, this could provide a period of strong easterly
wind, near gale force, Tuesday into Wednesday.

$$

ANZ250-192100-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
404 AM EDT Sat Sep 19 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL NOON EDT TODAY...

.TODAY...N winds 10 to 15 kt with gusts up to 25 kt, becoming NE
5 to 10 kt this afternoon. Seas 2 to 4 ft. Wave Detail: N 4 ft at
5 seconds and SW 1 foot at 5 seconds.
.TONIGHT...SE winds around 5 kt. Seas 2 to 3 ft. Wave Detail: N
2 ft at 4 seconds and SE 2 ft at 4 seconds.
.SUN...SE winds around 10 kt. Seas around 2 ft. Wave Detail: SE
2 ft at 4 seconds and SE 2 ft at 8 seconds. Showers in the
afternoon.
.SUN NIGHT...SE winds around 10 kt, becoming NE 15 to 20 kt with
gusts up to 25 kt after midnight. Seas 2 to 3 ft. Wave Detail: E
3 ft at 4 seconds and S 2 ft at 3 seconds. Showers. Patchy fog in
the evening. Vsby 1 to 3 NM.
.MON...N winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to
4 ft. Wave Detail: NE 4 ft at 5 seconds and N 3 ft at 4 seconds.
A chance of showers in the morning.
.MON NIGHT...NE winds around 10 kt, increasing to 15 to 20 kt
after midnight. Gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: N
4 ft at 5 seconds and SE 3 ft at 8 seconds.
.TUE AND TUE NIGHT...NE winds 15 to 20 kt with gusts up to 25 kt.
Seas 4 to 5 ft.
.WED AND WED NIGHT...NE winds 20 to 25 kt, becoming E 15 to
20 kt. Gusts up to 30 kt. Seas 5 to 8 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.

$$

ANZ251-192100-
Massachusetts Bay and Ipswich Bay-
404 AM EDT Sat Sep 19 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL NOON EDT TODAY...

.TODAY...NE winds 10 to 15 kt with gusts up to 20 kt, diminishing
to 5 to 10 kt this afternoon. Seas 2 to 3 ft. Wave Detail: N 3 ft
at 5 seconds and SW 1 foot at 5 seconds.
.TONIGHT...SE winds 5 to 10 kt. Seas around 2 ft. Wave Detail: N
2 ft at 5 seconds and S 1 foot at 3 seconds.
.SUN...SE winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon. Seas around 2 ft. Wave Detail: SE 2 ft at 4 seconds
and N 1 foot at 4 seconds. Patchy fog in the afternoon. Showers
in the afternoon with vsby 1 to 3 NM.
.SUN NIGHT...SE winds 10 to 15 kt, becoming NE 15 to 20 kt with
gusts up to 25 kt after midnight. Seas 2 to 3 ft. Wave Detail: E
3 ft at 4 seconds and SE 2 ft at 4 seconds. Showers. Patchy fog
in the evening. Vsby 1 to 3 NM.
.MON AND MON NIGHT...NE winds 15 to 20 kt with gusts up to 30 kt.
Seas 2 to 3 ft. Wave Detail: N 3 ft at 4 seconds and E 3 ft at
6 seconds.
.TUE AND TUE NIGHT...NE winds 15 to 20 kt with gusts up to 25 kt.
Seas 3 to 4 ft. Wave Detail: E 4 ft at 7 seconds and N 1 foot at
4 seconds.
.WED AND WED NIGHT...NE winds 20 to 25 kt with gusts up to 35 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.

$$

ANZ231-192100-
Cape Cod Bay-
404 AM EDT Sat Sep 19 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL NOON EDT TODAY...

.TODAY...NE winds 10 to 15 kt with gusts up to 25 kt, diminishing
to 5 to 10 kt this afternoon. Seas 2 to 3 ft. Wave Detail: N 3 ft
at 4 seconds and SW 1 foot at 5 seconds.
.TONIGHT...E winds around 5 kt. Seas around 2 ft. Wave Detail: N
2 ft at 5 seconds and S 1 foot at 4 seconds.
.SUN...SE winds 5 to 10 kt. Seas around 2 ft. Wave Detail: E
1 foot at 3 seconds and N 1 foot at 5 seconds. Patchy fog in the
afternoon. Showers in the afternoon.
.SUN NIGHT...SE winds around 10 kt, becoming E 15 to 20 kt with
gusts up to 25 kt after midnight. Seas 2 to 3 ft. Wave Detail: E
2 ft at 10 seconds and SE 1 foot at 3 seconds. Showers. Patchy
fog in the evening. Vsby 1 to 3 NM.
.MON...N winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to
4 ft. Wave Detail: N 4 ft at 4 seconds and N 3 ft at 4 seconds. A
chance of showers in the morning.
.MON NIGHT...NE winds 10 to 15 kt, increasing to 15 to 20 kt
after midnight. Gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: N
3 ft at 5 seconds and E 1 foot at 9 seconds.
.TUE THROUGH WED NIGHT...E winds 20 to 25 kt with gusts up to
35 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.

$$

ANZ254-192100-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 NM-
404 AM EDT Sat Sep 19 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL NOON EDT TODAY...

.TODAY...NE winds 15 to 20 kt, diminishing to 10 to 15 kt this
afternoon. Gusts up to 25 kt. Seas 3 to 4 ft. Wave Detail: E 4 ft
at 7 seconds and NW 2 ft at 4 seconds.
.TONIGHT...E winds 5 to 10 kt. Seas 2 to 4 ft. Wave Detail: E
3 ft at 7 seconds and NW 1 foot at 4 seconds.
.SUN...SE winds around 10 kt. Seas 2 to 3 ft. Wave Detail: SE
2 ft at 5 seconds and SE 2 ft at 11 seconds. A chance of showers
in the afternoon.
.SUN NIGHT...E winds 10 to 15 kt. Gusts up to 25 kt after
midnight. Seas 2 to 3 ft. Wave Detail: E 3 ft at 4 seconds and SE
2 ft at 10 seconds. Showers. Patchy fog in the evening. Vsby 1 to
3 NM.
.MON...N winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to
4 ft. Wave Detail: N 4 ft at 5 seconds and NE 4 ft at 6 seconds.
A chance of showers in the morning.
.MON NIGHT...NE winds 15 to 20 kt with gusts up to 25 kt. Seas
3 to 5 ft. Wave Detail: N 4 ft at 5 seconds and SE 2 ft at
7 seconds.
.TUE...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to
6 ft.
.TUE NIGHT...NE winds 20 to 25 kt with gusts up to 30 kt. Seas
5 to 7 ft.
.WED...NE winds 20 to 25 kt with gusts up to 30 kt. Seas 6 to
9 ft.
.WED NIGHT...NE winds 25 to 30 kt with gusts up to 35 kt. Seas
7 to 10 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.

$$

ANZ255-192100-
Coastal Waters extending out to 25 NM South of Marthas Vineyard
and Nantucket-
404 AM EDT Sat Sep 19 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL NOON EDT TODAY...

.TODAY...NE winds 15 to 20 kt, diminishing to 10 to 15 kt this
afternoon. Gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: N 3 ft
at 5 seconds and SW 1 foot at 5 seconds.
.TONIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE
2 ft at 6 seconds and N 1 foot at 3 seconds.
.SUN...SE winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: SE 2 ft
at 4 seconds and N 2 ft at 5 seconds. A chance of showers in the
afternoon.
.SUN NIGHT...SE winds 10 to 15 kt, increasing to 15 to 20 kt
after midnight. Seas 2 to 3 ft. Wave Detail: SE 3 ft at
10 seconds and E 2 ft at 4 seconds. Showers. Patchy fog in the
evening.
.MON...NE winds 20 to 25 kt with gusts up to 30 kt. Seas 2 to
4 ft. Wave Detail: N 4 ft at 5 seconds and SE 3 ft at 8 seconds.
A chance of showers in the morning.
.MON NIGHT...NE winds 15 to 20 kt with gusts up to 25 kt. Seas
3 to 5 ft. Wave Detail: N 4 ft at 6 seconds and SE 2 ft at
7 seconds.
.TUE AND TUE NIGHT...NE winds 20 to 25 kt, increasing to 25 to
30 kt. Seas 5 to 8 ft.
.WED...NE winds 25 to 30 kt with gusts up to 35 kt. Seas 7 to
10 ft.
.WED NIGHT...NE winds 25 to 35 kt with gusts up to 40 kt. Seas
8 to 11 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.

$$

ANZ256-192100-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 NM South of Block Island-
404 AM EDT Sat Sep 19 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL NOON EDT TODAY...

.TODAY...NE winds 15 to 20 kt, diminishing to 10 to 15 kt this
afternoon. Gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: N 4 ft
at 5 seconds and SW 1 foot at 5 seconds.
.TONIGHT...E winds around 10 kt. Seas 2 to 3 ft. Wave Detail: NE
2 ft at 5 seconds and SE 2 ft at 8 seconds.
.SUN...SE winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft
at 4 seconds and N 1 foot at 4 seconds. A chance of showers in
the afternoon.
.SUN NIGHT...S winds 10 to 15 kt, becoming W 15 to 20 kt with
gusts up to 25 kt after midnight. Seas 2 to 3 ft. Wave Detail: SE
3 ft at 4 seconds and SE 3 ft at 10 seconds. Showers. Patchy fog
in the evening.
.MON...NE winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to
5 ft. Wave Detail: NE 5 ft at 4 seconds and NW 3 ft at 4 seconds.
A chance of showers in the morning.
.MON NIGHT...NE winds 15 to 20 kt, increasing to 20 to 25 kt
after midnight. Seas 4 to 6 ft. Wave Detail: NE 5 ft at 5 seconds
and N 2 ft at 5 seconds.
.TUE...NE winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to
8 ft.
.TUE NIGHT...NE winds 25 to 30 kt with gusts up to 40 kt. Seas
7 to 10 ft.
.WED...NE winds around 30 kt with gusts up to 40 kt. Seas 8 to
11 ft.
.WED NIGHT...NE winds 30 to 35 kt with gusts up to 45 kt. Seas
9 to 13 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.

$$

ANZ232-192100-
Nantucket Sound-
404 AM EDT Sat Sep 19 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL NOON EDT TODAY...

.TODAY...NE winds 15 to 20 kt, diminishing to 10 to 15 kt this
afternoon. Gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: N 3 ft
at 4 seconds and SW 1 foot at 5 seconds.
.TONIGHT...E winds 5 to 10 kt. Seas around 2 ft. Wave Detail: NE
2 ft at 4 seconds and SE 1 foot at 8 seconds.
.SUN...SE winds 10 to 15 kt. Seas around 2 ft. Wave Detail: SE
2 ft at 3 seconds and N 2 ft at 4 seconds. Showers likely in the
afternoon.
.SUN NIGHT...SE winds 10 to 15 kt, increasing to 15 to 20 kt
after midnight. Seas around 2 ft. Wave Detail: SE 2 ft at
4 seconds and N 1 foot at 5 seconds. Showers.
.MON...N winds 20 to 25 kt, becoming NE 15 to 20 kt in the
afternoon. Seas around 3 ft. Wave Detail: NE 3 ft at 4 seconds
and NW 3 ft at 5 seconds. A chance of showers in the morning.
.MON NIGHT...NE 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 1 foot at
8 seconds.
.TUE AND TUE NIGHT...NE winds 20 to 25 kt with gusts up to 30 kt.
Seas 3 to 5 ft.
.WED...NE winds 25 to 30 kt with gusts up to 35 kt. Seas 4 to
6 ft.
.WED NIGHT...NE winds 25 to 35 kt with gusts up to 40 kt. Seas
5 to 7 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.

$$

ANZ233-192100-
Vineyard Sound-
404 AM EDT Sat Sep 19 2026

.TODAY...NE winds 10 to 15 kt with gusts up to 20 kt, diminishing
to 5 to 10 kt this afternoon. Seas around 2 ft. Wave Detail: NE
2 ft at 3 seconds and N 2 ft at 6 seconds.
.TONIGHT...E winds 5 to 10 kt. Seas 1 foot or less. Wave Detail:
N 1 foot at 4 seconds and E 1 foot at 4 seconds.
.SUN...SE winds 10 to 15 kt. Seas around 2 ft. Wave Detail: SE
2 ft at 3 seconds and N 1 foot at 4 seconds. Patchy fog in the
afternoon. Showers likely in the afternoon.
.SUN NIGHT...SE winds 10 to 15 kt, increasing to 15 to 20 kt
after midnight. Seas 2 to 3 ft. Wave Detail: N 2 ft at 4 seconds
and SE 2 ft at 4 seconds. Showers. Patchy fog in the evening.
.MON...N winds 20 to 25 kt, becoming NE 15 to 20 kt in the
afternoon. Gusts up to 30 kt. Seas 3 to 4 ft. Wave Detail: N 4 ft
at 4 seconds and SW 2 ft at 5 seconds. A chance of showers in the
morning.
.MON NIGHT...NE winds 10 to 15 kt, increasing to 15 to 20 kt
after midnight. Seas 2 to 3 ft. Wave Detail: N 3 ft at 5 seconds
and NE 2 ft at 4 seconds.
.TUE AND TUE NIGHT...NE winds 20 to 25 kt with gusts up to 30 kt.
Seas 3 to 5 ft.
.WED...NE winds 25 to 30 kt with gusts up to 35 kt. Seas 4 to
6 ft.
.WED NIGHT...NE winds 25 to 30 kt with gusts up to 35 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.

$$

ANZ234-192100-
Buzzards Bay-
404 AM EDT Sat Sep 19 2026

.TODAY...NE winds 10 to 15 kt with gusts up to 20 kt, diminishing
to 5 to 10 kt this afternoon. Seas around 2 ft. Wave Detail: NE
2 ft at 3 seconds and NW 2 ft at 6 seconds.
.TONIGHT...E winds 5 to 10 kt. Seas 1 foot or less. Wave Detail:
NE 1 foot at 3 seconds and N 1 foot at 4 seconds.
.SUN...SE winds 10 to 15 kt. Seas around 2 ft. Wave Detail: SE
1 foot at 3 seconds and N 1 foot at 4 seconds. Patchy fog in the
afternoon. Showers likely in the afternoon.
.SUN NIGHT...SE winds 10 to 15 kt, increasing to 15 to 20 kt
after midnight. Seas 2 to 3 ft. Wave Detail: N 2 ft at 4 seconds
and SE 2 ft at 4 seconds. Showers. Patchy fog in the evening.
Vsby 1 to 3 NM.
.MON...NE winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to
4 ft. Wave Detail: N 4 ft at 5 seconds and NE 2 ft at 3 seconds.
A chance of showers in the morning.
.MON NIGHT...NE winds 10 to 15 kt, increasing to 15 to 20 kt
after midnight. Seas 2 to 3 ft. Wave Detail: N 3 ft at 5 seconds
and SE 1 foot at 8 seconds.
.TUE AND TUE NIGHT...NE winds 15 to 20 kt, increasing to 20 to
25 kt. Seas 2 to 4 ft.
.WED...NE winds 25 to 30 kt with gusts up to 35 kt. Seas 4 to
6 ft.
.WED NIGHT...NE winds 25 to 30 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.

$$

ANZ235-192100-
Rhode Island Sound-
404 AM EDT Sat Sep 19 2026

.TODAY...NE winds 10 to 15 kt with gusts up to 20 kt, diminishing
to 5 to 10 kt this afternoon. Seas 2 to 3 ft. Wave Detail: NE
3 ft at 4 seconds and NW 3 ft at 7 seconds.
.TONIGHT...E winds 5 to 10 kt. Seas around 2 ft. Wave Detail: N
1 foot at 3 seconds and SE 1 foot at 4 seconds.
.SUN...SE winds 10 to 15 kt. Seas around 2 ft. Wave Detail: SE
2 ft at 4 seconds and N 1 foot at 4 seconds. Patchy fog in the
afternoon. Showers likely in the afternoon.
.SUN NIGHT...SE winds 10 to 15 kt, becoming W 15 to 20 kt after
midnight. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 4 seconds and
SE 2 ft at 10 seconds. Showers. Patchy fog in the evening.
.MON...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to
4 ft. Wave Detail: NE 4 ft at 4 seconds and N 3 ft at 4 seconds.
A chance of showers in the morning.
.MON NIGHT...NE winds 15 to 20 kt with gusts up to 25 kt. Seas
2 to 4 ft. Wave Detail: NE 3 ft at 4 seconds and SE 2 ft at
7 seconds.
.TUE AND TUE NIGHT...NE winds 20 to 25 kt with gusts up to 30 kt.
Seas 4 to 6 ft.
.WED...NE winds 25 to 30 kt with gusts up to 40 kt. Seas 5 to
7 ft.
.WED NIGHT...NE winds 25 to 30 kt with gusts up to 40 kt. Seas
6 to 9 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.

$$

ANZ237-192100-
Block Island Sound-
404 AM EDT Sat Sep 19 2026

.TODAY...NE winds 10 to 15 kt with gusts up to 20 kt, becoming E
5 to 10 kt this afternoon. Seas 2 to 3 ft. Wave Detail: NE 2 ft
at 4 seconds and NW 2 ft at 5 seconds.
.TONIGHT...E winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SE
2 ft at 5 seconds and N 1 foot at 3 seconds.
.SUN...SE winds 10 to 15 kt. Gusts up to 20 kt in the afternoon.
Seas around 2 ft. Wave Detail: SE 2 ft at 4 seconds and N 1 foot
at 4 seconds. Patchy fog in the afternoon. Showers likely in the
afternoon.
.SUN NIGHT...S winds 10 to 15 kt, becoming NW 15 to 20 kt after
midnight. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 4 seconds and
SE 2 ft at 7 seconds. Showers. Patchy fog in the evening.
.MON...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to
4 ft. Wave Detail: NE 3 ft at 4 seconds and N 3 ft at 4 seconds.
A chance of showers in the morning.
.MON NIGHT...NE winds 10 to 15 kt, increasing to 15 to 20 kt
after midnight. Gusts up to 25 kt. Seas 3 to 4 ft. Wave Detail:
NE 3 ft at 5 seconds and N 3 ft at 5 seconds.
.TUE...NE winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to
6 ft.
.TUE NIGHT...NE winds 20 to 25 kt with gusts up to 35 kt. Seas
5 to 7 ft.
.WED...NE winds 25 to 30 kt with gusts up to 40 kt. Seas 6 to
9 ft.
.WED NIGHT...NE winds 25 to 30 kt with gusts up to 40 kt. Seas
7 to 10 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.

$$

ANZ230-192100-
Boston Harbor-
404 AM EDT Sat Sep 19 2026

.TODAY...N winds around 10 kt with gusts up to 20 kt, becoming E
this afternoon. Waves around 2 ft this morning, then 1 foot or
less.
.TONIGHT...SE winds 5 to 10 kt. Waves 1 foot or less.
.SUN...SE winds 5 to 10 kt. Waves 1 foot or less, then around
2 ft in the afternoon. Patchy fog in the afternoon. Showers in
the afternoon with vsby 1 to 3 NM.
.SUN NIGHT...SE winds around 10 kt, becoming NE with gusts up to
20 kt after midnight. Waves around 2 ft. Showers. Patchy fog in
the evening with vsby 1 to 3 NM.
.MON AND MON NIGHT...NE winds 10 to 15 kt with gusts up to 25 kt.
Waves around 2 ft.
.TUE THROUGH WED NIGHT...NE winds 20 to 25 kt with gusts up to
30 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.

$$

ANZ236-192100-
Narragansett Bay-
404 AM EDT Sat Sep 19 2026

.TODAY...NE winds 10 to 15 kt with gusts up to 20 kt, diminishing
to 5 to 10 kt this afternoon. Waves around 2 ft.
.TONIGHT...E winds 5 to 10 kt. Waves 1 foot or less.
.SUN...SE winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon. Waves around 2 ft. Patchy fog in the afternoon.
Showers likely in the afternoon.
.SUN NIGHT...SE winds 5 to 10 kt, becoming NE 15 to 20 kt after
midnight. Waves 2 to 3 ft. Showers. Patchy fog in the evening.
.MON...NE winds 15 to 20 kt with gusts up to 25 kt. Waves 2 to
3 ft. A chance of showers in the morning.
.MON NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Waves
around 2 ft.
.TUE THROUGH WED NIGHT...NE winds 20 to 25 kt with gusts up to
35 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.

$$

ANZ280-192100-
Ocean Waters from the Merrimack River to Plymouth from 40 to
60 NM-
404 AM EDT Sat Sep 19 2026

.TODAY...N winds 15 to 20 kt with gusts up to 25 kt, diminishing
to 5 to 10 kt this afternoon. Seas 3 to 5 ft. Wave Detail: N 5 ft
at 5 seconds and SW 1 foot at 5 seconds.
.TONIGHT...E winds around 5 kt, becoming SE after midnight. Seas
2 to 3 ft. Wave Detail: N 2 ft at 5 seconds and SE 1 foot at
4 seconds.
.SUN...SE winds 10 to 15 kt. Seas around 2 ft. Wave Detail: SE
2 ft at 3 seconds and E 2 ft at 4 seconds. Showers likely in the
afternoon.
.SUN NIGHT...SE winds 10 to 15 kt, becoming E 15 to 20 kt with
gusts up to 25 kt after midnight. Seas 2 to 3 ft. Wave Detail: E
3 ft at 4 seconds and SE 2 ft at 4 seconds. Showers.
.MON...N winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to
4 ft. Wave Detail: NE 4 ft at 5 seconds and N 3 ft at 6 seconds.
A chance of showers in the morning.
.MON NIGHT...NE winds 10 to 15 kt, increasing to 15 to 20 kt
after midnight. Gusts up to 25 kt. Seas 2 to 3 ft, building to
3 to 5 ft after midnight. Wave Detail: N 3 ft at 5 seconds and SE
2 ft at 8 seconds, becoming N 4 ft at 5 seconds and SE 2 ft at
8 seconds.
.TUE AND TUE NIGHT...NE winds 15 to 20 kt with gusts up to 25 kt.
Seas 4 to 6 ft.
.WED AND WED NIGHT...E winds 15 to 20 kt with gusts up to 30 kt.
Seas 5 to 8 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.

$$

ANZ281-192100-
Ocean Waters from Provincetown to Nantucket from 20 to 60 NM-
404 AM EDT Sat Sep 19 2026

.TODAY...NE winds around 15 kt, diminishing to 5 to 10 kt this
afternoon. Gusts up to 25 kt. Seas 4 to 5 ft. Wave Detail: N 5 ft
at 7 seconds and SW 1 foot at 5 seconds.
.TONIGHT...E winds 5 to 10 kt. Seas 2 to 4 ft. Wave Detail: NE
3 ft at 7 seconds and NW 2 ft at 6 seconds.
.SUN...SE winds around 10 kt. Seas 2 to 3 ft. Wave Detail: SE
2 ft at 5 seconds and SE 2 ft at 11 seconds. A chance of showers
in the afternoon.
.SUN NIGHT...E winds 10 to 15 kt. Gusts up to 20 kt after
midnight. Seas around 2 ft. Wave Detail: SE 2 ft at 4 seconds and
E 2 ft at 5 seconds. Showers. Patchy fog in the evening. Vsby
1 to 3 NM.
.MON...NE 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 NE 4 ft at 5 seconds.
A chance of showers in the morning.
.MON NIGHT...NE winds 15 to 20 kt with gusts up to 25 kt. Seas
4 to 6 ft. Wave Detail: NE 5 ft at 6 seconds and N 4 ft at
6 seconds.
.TUE AND TUE NIGHT...NE winds 20 to 25 kt with gusts up to 30 kt.
Seas 5 to 8 ft.
.WED...NE winds 25 to 30 kt with gusts up to 35 kt. Seas 7 to
10 ft.
.WED NIGHT...NE winds 25 to 30 kt with gusts up to 35 kt. Seas
9 to 12 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.

$$

ANZ282-192100-
Ocean Waters from Marthas Vineyard to Nantucket from 25 to 60 NM-
404 AM EDT Sat Sep 19 2026

.TODAY...NE winds 15 to 20 kt, diminishing to 10 to 15 kt this
afternoon. Gusts up to 25 kt. Seas 3 to 4 ft. Wave Detail: N 4 ft
at 5 seconds and SW 1 foot at 5 seconds.
.TONIGHT...E winds around 10 kt. Seas 3 to 4 ft. Wave Detail: E
3 ft at 7 seconds and NW 1 foot at 4 seconds.
.SUN...SE winds around 10 kt. Seas 2 to 3 ft. Wave Detail: SE
3 ft at 6 seconds and N 2 ft at 6 seconds.
.SUN NIGHT...SE winds around 10 kt, becoming SW after midnight.
Seas 2 to 3 ft. Wave Detail: SE 3 ft at 10 seconds and NE 2 ft at
5 seconds. Showers. Patchy fog in the evening.
.MON...N winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to
5 ft. Wave Detail: N 5 ft at 5 seconds and SE 3 ft at 7 seconds.
A chance of showers.
.MON NIGHT...NE winds 15 to 20 kt with gusts up to 25 kt. Seas
5 to 7 ft. Wave Detail: NE 5 ft at 6 seconds and NW 3 ft at
5 seconds.
.TUE...NE winds 20 to 25 kt with gusts up to 30 kt. Seas 6 to
9 ft.
.TUE NIGHT...NE winds 25 to 30 kt with gusts up to 35 kt. Seas
7 to 10 ft.
.WED...NE winds 25 to 30 kt with gusts up to 40 kt. Seas 9 to
12 ft.
.WED NIGHT...NE winds around 30 kt with gusts up to 40 kt. Seas
11 to 14 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.

$$

ANZ283-192100-
Ocean Waters from Montauk NY to Marthas Vineyard from 25 to 60 NM-
404 AM EDT Sat Sep 19 2026

.TODAY...NE winds 15 to 20 kt, diminishing to 10 to 15 kt this
afternoon. Gusts up to 25 kt. Seas 3 to 4 ft. Wave Detail: N 4 ft
at 5 seconds and SW 1 foot at 5 seconds.
.TONIGHT...E winds around 10 kt. Seas 2 to 4 ft. Wave Detail: E
3 ft at 7 seconds and N 1 foot at 4 seconds.
.SUN...SE winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: N 2 ft
at 5 seconds and SE 2 ft at 6 seconds.
.SUN NIGHT...S winds 10 to 15 kt, becoming W 15 to 20 kt after
midnight. Seas around 3 ft. Wave Detail: SE 3 ft at 5 seconds and
SE 3 ft at 10 seconds. Showers.
.MON...NE winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to
5 ft, building to 5 to 6 ft in the afternoon. Wave Detail: N 5 ft
at 5 seconds and NW 5 ft at 5 seconds, becoming NE 6 ft at
6 seconds and NW 3 ft at 5 seconds. A chance of showers in the
morning.
.MON NIGHT...NE winds 20 to 25 kt with gusts up to 30 kt. Seas
5 to 7 ft. Wave Detail: NE 6 ft at 6 seconds and N 3 ft at
5 seconds.
.TUE...NE winds 20 to 25 kt with gusts up to 35 kt. Seas 7 to
10 ft.
.TUE NIGHT...NE winds 25 to 30 kt with gusts up to 40 kt. Seas
8 to 11 ft.
.WED...NE winds 30 to 35 kt with gusts up to 45 kt. Seas 10 to
13 ft.
.WED NIGHT...NE winds 30 to 35 kt with gusts up to 45 kt. Seas
12 to 15 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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