Coastal Waters Forecast
Issued by NWS Upton, NY

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054
FZUS51 KOKX 191842
CWFOKX

Coastal Waters Forecast
National Weather Service New York NY
242 PM EDT Tue Aug 19 2025

Montauk Point NY to Sandy Hook NJ out 20 nm offshore, including
Long Island Sound, the Long Island Bays, and New York Harbor

ANZ300-200715-
242 PM EDT Tue Aug 19 2025

.Synopsis for the Long Island and Connecticut coastal waters...
A frontal system impacts the waters Wed. Hurricane Erin will pass
well to the southeast Thursday into Thursday night. High pressure
will return by late week, then a cold front will approach from
the west late this weekend. Please refer to National Hurricane
Center forecasts for further information on Erin.

$$

ANZ350-200715-
Moriches Inlet NY to Montauk Point NY out 20 nm-
242 PM EDT Tue Aug 19 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE WEDNESDAY NIGHT...
...GALE WATCH IN EFFECT FROM THURSDAY MORNING THROUGH LATE
THURSDAY NIGHT...

.TONIGHT...E winds around 10 kt. Seas 5 to 6 ft, occasionally to
8 ft. Wave Detail: SE 5 ft at 15 seconds and E 3 ft at 5
seconds. Rough conditions around inlets.
.WED...E winds 10 to 15 kt with gusts up to 20 kt. Seas 5 to
7 ft, occasionally to 9 ft. Wave Detail: SE 6 ft at 14 seconds
and E 4 ft at 5 seconds. Rough conditions around inlets. Slight
chance of showers in the morning, then chance of showers in the
afternoon with vsby 1 to 3 nm.
.WED NIGHT...E winds 15 to 20 kt with gusts up to 25 kt. Seas
6 to 7 ft, occasionally to 9 ft, building to 7 to 9 ft,
occasionally to 11 ft after midnight. Wave Detail: E 5 ft at
5 seconds and S 5 ft at 15 seconds, becoming E 6 ft at 6 seconds
and S 6 ft at 16 seconds. Rough conditions around inlets. Showers
likely. Chance of tstms, mainly in the evening. Vsby 1 to 3 nm.
.THU...NE winds 25 to 30 kt with gusts up to 40 kt. Seas 8 to
11 ft, occasionally to 14 ft, building to 11 to 15 ft,
occasionally to 19 ft in the afternoon. Wave Detail: E 8 ft at
7 seconds and S 7 ft at 16 seconds, becoming E 10 ft at 8 seconds
and S 10 ft at 17 seconds. Chance of showers, mainly in the
morning with vsby 1 to 3 nm.
.THU NIGHT...NE winds 25 to 30 kt. Seas 13 to 16 ft, occasionally
to 20 ft. Wave Detail: E 11 ft at 8 seconds and S 11 ft at
17 seconds. Slight chance of showers in the evening.
.FRI...N winds 25 to 30 kt, becoming NE 15 to 20 kt in the
afternoon. Seas 12 to 16 ft, occasionally to 20 ft, subsiding to
9 to 13 ft, occasionally to 17 ft in the afternoon. Wave Detail:
E 11 ft at 9 seconds and SE 11 ft at 16 seconds, becoming SE
10 ft at 15 seconds and E 9 ft at 10 seconds.
.FRI NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt,
becoming N after midnight. Seas 7 to 10 ft, occasionally to
13 ft.
.SAT...W winds around 10 kt. Seas 5 to 8 ft, occasionally to
10 ft.
.SAT NIGHT...S winds around 10 kt. Seas 4 to 6 ft, occasionally
to 8 ft.
.SUN...S winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to
5 ft, occasionally to 6 ft.
.SUN NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas
4 to 5 ft, occasionally to 6 ft. Chance of showers.

Winds and seas may be higher in and near tstms.

$$

ANZ353-200715-
Fire Island Inlet NY to Moriches Inlet NY out 20 nm-
242 PM EDT Tue Aug 19 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE WEDNESDAY NIGHT...
...GALE WATCH IN EFFECT FROM THURSDAY MORNING THROUGH LATE
THURSDAY NIGHT...

.TONIGHT...E winds around 10 kt. Seas 5 to 6 ft, occasionally to
8 ft. Wave Detail: SE 5 ft at 15 seconds and E 4 ft at 6 seconds.
.WED...E winds 10 to 15 kt with gusts up to 20 kt. Seas 5 to
7 ft, occasionally to 9 ft. Wave Detail: SE 6 ft at 15 seconds.
Rough conditions around inlets. Chance of showers. Chance of
tstms in the afternoon. Vsby 1 to 3 nm.
.WED NIGHT...E winds 15 to 20 kt with gusts up to 25 kt. Seas
6 to 7 ft, occasionally to 9 ft, building to 7 to 9 ft,
occasionally to 11 ft after midnight. Wave Detail: SE 6 ft at
15 seconds and E 5 ft at 5 seconds, becoming S 7 ft at 16 seconds
and E 6 ft at 6 seconds. Rough conditions around inlets. Showers
likely with chance of tstms. Vsby 1 to 3 nm.
.THU...NE winds 25 to 30 kt with gusts up to 40 kt. Seas 9 to
12 ft, occasionally to 15 ft, building to 11 to 15 ft,
occasionally to 19 ft in the afternoon. Wave Detail: E 9 ft at
7 seconds and S 8 ft at 17 seconds, becoming S 11 ft at
17 seconds and E 10 ft at 8 seconds. Chance of showers and slight
chance of tstms in the morning, then slight chance of showers in
the afternoon. Vsby 1 to 3 nm in the morning.
.THU NIGHT...NE winds 25 to 30 kt, diminishing to 20 to 25 kt
after midnight. Seas 12 to 16 ft, occasionally to 20 ft. Wave
Detail: S 12 ft at 17 seconds and E 11 ft at 9 seconds. Slight
chance of showers in the evening.
.FRI...N winds 20 to 25 kt, becoming NE 15 to 20 kt in the
afternoon. Seas 10 to 14 ft, occasionally to 18 ft, subsiding to
9 to 12 ft, occasionally to 15 ft in the afternoon. Wave Detail:
E 10 ft at 10 seconds and SE 9 ft at 15 seconds, becoming E 9 ft
at 10 seconds and SE 9 ft at 14 seconds.
.FRI NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt,
becoming NW after midnight. Seas 7 to 10 ft, occasionally to
13 ft.
.SAT...W winds around 10 kt. Seas 5 to 8 ft, occasionally to
10 ft.
.SAT NIGHT...S winds around 10 kt. Seas 4 to 6 ft, occasionally
to 8 ft.
.SUN...S winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to
5 ft, occasionally to 6 ft. Chance of showers.
.SUN NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas
4 to 5 ft, occasionally to 6 ft. Chance of showers.

Winds and seas may be higher in and near tstms.

$$

ANZ355-200715-
Sandy Hook NJ to Fire Island Inlet NY out 20 nm-
242 PM EDT Tue Aug 19 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE WEDNESDAY NIGHT...
...GALE WATCH IN EFFECT FROM THURSDAY MORNING THROUGH LATE
THURSDAY NIGHT...

.TONIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft, occasionally to
6 ft. Wave Detail: E 4 ft at 6 seconds and SE 4 ft at 15 seconds.
Rough conditions around inlets.
.WED...E winds 10 to 15 kt. Seas 4 to 6 ft, occasionally to 8 ft.
Wave Detail: E 4 ft at 5 seconds and SE 4 ft at 15 seconds. Rough
conditions around inlets. Chance of showers. Chance of tstms in
the afternoon. Vsby 1 to 3 nm.
.WED NIGHT...E winds 15 to 20 kt with gusts up to 25 kt. Seas
5 to 6 ft, occasionally to 8 ft, building to 5 to 8 ft,
occasionally to 10 ft after midnight. Wave Detail: SE 5 ft at
15 seconds and E 4 ft at 5 seconds, becoming SE 6 ft at
16 seconds and E 5 ft at 6 seconds. Rough conditions around
inlets. Showers likely with chance of tstms. Vsby 1 to 3 nm.
.THU...NE winds 20 to 25 kt with gusts up to 35 kt. Seas 7 to
10 ft, occasionally to 13 ft, building to 9 to 12 ft,
occasionally to 15 ft in the afternoon. Wave Detail: E 7 ft at
7 seconds and S 6 ft at 16 seconds, becoming E 9 ft at 8 seconds
and S 9 ft at 17 seconds. Chance of showers and slight chance of
tstms in the morning, then slight chance of showers in the
afternoon.
.THU NIGHT...NE winds 20 to 25 kt with gusts up to 35 kt. Seas
10 to 14 ft, occasionally to 18 ft. Wave Detail: S 10 ft at
17 seconds and E 9 ft at 9 seconds. Slight chance of showers in
the evening.
.FRI...N winds 15 to 20 kt, becoming NE 10 to 15 kt in the
afternoon. Seas 8 to 11 ft, occasionally to 14 ft. Wave Detail:
SE 9 ft at 14 seconds and E 8 ft at 10 seconds.
.FRI NIGHT...E winds around 10 kt, becoming W after midnight.
Seas 6 to 9 ft, occasionally to 11 ft.
.SAT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 5 to
7 ft, occasionally to 9 ft.
.SAT NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas
4 to 6 ft, occasionally to 8 ft.
.SUN...S winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to
5 ft, occasionally to 6 ft. Chance of showers.
.SUN NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 4 ft, occasionally to 5 ft. Chance of showers.

Winds and seas may be higher in and near tstms.

$$

ANZ332-200715-
Long Island Sound East of the Mouth of the Connecticut River-
242 PM EDT Tue Aug 19 2025

.TONIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E
2 ft at 5 seconds.
.WED...E winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt in the afternoon. Seas 2 to 4 ft, occasionally to
5 ft. Wave Detail: E 3 ft at 4 seconds. Chance of showers in the
morning, then chance of showers and slight chance of tstms in the
afternoon with vsby 1 to 3 nm.
.WED NIGHT...E winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 5 ft, occasionally to 6 ft. Wave Detail: E 4 ft at 6 seconds
and SE 2 ft at 14 seconds. Showers likely with slight chance of
tstms in the evening, then chance of showers and slight chance of
tstms after midnight. Vsby 1 to 3 nm.
.THU...NE winds 15 to 20 kt, increasing to 20 to 25 kt in the
afternoon. Seas 4 to 6 ft, occasionally to 8 ft. Wave Detail: E
5 ft at 6 seconds and SE 2 ft at 15 seconds. Chance of showers,
mainly in the morning.
.THU NIGHT...NE winds 15 to 20 kt with gusts up to 30 kt. Seas
5 to 7 ft, occasionally to 9 ft. Wave Detail: NE 6 ft at
8 seconds and E 3 ft at 17 seconds.
.FRI...N winds 15 to 20 kt, becoming NE 10 to 15 kt in the
afternoon. Seas 5 to 7 ft, occasionally to 9 ft. Wave Detail: NE
6 ft at 8 seconds and SE 4 ft at 17 seconds.
.FRI NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt,
becoming NW 5 to 10 kt after midnight. Seas 3 to 5 ft,
occasionally to 6 ft.
.SAT...W winds 5 to 10 kt. Seas 2 to 4 ft, occasionally to 5 ft.
.SAT NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft.
.SUN...S winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft.
.SUN NIGHT...S winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to
3 ft. Chance of showers.

Winds and seas may be higher in and near tstms.

$$

ANZ331-200715-
Long Island Sound East of New Haven CT/Port Jefferson NY to the
Mouth of the Connecticut River-
242 PM EDT Tue Aug 19 2025

.TONIGHT...SE winds 5 to 10 kt. Seas 1 ft or less. Wave Detail: E
1 ft at 3 seconds.
.WED...E winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt in the afternoon. Seas 1 ft or less, then around 2 ft
in the afternoon. Wave Detail: E 1 ft at 3 seconds. Chance of
showers in the morning, then showers likely with slight chance of
tstms in the afternoon with vsby 1 to 3 nm.
.WED NIGHT...E winds 10 to 15 kt, becoming NE 15 to 20 kt after
midnight. Seas around 2 ft. Wave Detail: E 2 ft at 3 seconds.
Showers likely. Chance of tstms, mainly in the evening. Vsby 1 to
3 nm.
.THU...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to
3 ft. Wave Detail: E 3 ft at 4 seconds. Chance of showers, mainly
in the morning.
.THU NIGHT...NE winds 15 to 20 kt with gusts up to 25 kt. Seas
2 to 3 ft. Wave Detail: NE 3 ft at 4 seconds.
.FRI...N winds 15 to 20 kt, becoming NE 10 to 15 kt in the
afternoon. Seas 2 to 3 ft. Wave Detail: NE 3 ft at 4 seconds.
.FRI NIGHT...NE winds around 10 kt, becoming NW after midnight.
Seas around 2 ft in the evening, then 1 ft or less.
.SAT...SW winds 5 to 10 kt. Seas 1 ft or less.
.SAT NIGHT...S winds 5 to 10 kt. Seas 1 ft or less.
.SUN...S winds 5 to 10 kt with gusts up to 20 kt. Seas 1 ft or
less. Chance of showers.
.SUN NIGHT...S winds 5 to 10 kt with gusts up to 20 kt. Seas 1 ft
or less. Chance of showers.

Winds and seas may be higher in and near tstms.

$$

ANZ335-200715-
Long Island Sound West of New Haven CT/Port Jefferson NY-
242 PM EDT Tue Aug 19 2025

.TONIGHT...SE winds 5 to 10 kt. Seas 1 ft or less. Wave Detail: E
1 ft at 3 seconds.
.WED...E winds 10 to 15 kt. Seas 1 ft or less, then around 2 ft
in the afternoon. Wave Detail: E 1 ft at 3 seconds. Chance of
showers in the morning, then chance of showers and tstms in the
afternoon with vsby 1 to 3 nm.
.WED NIGHT...E winds 10 to 15 kt, becoming NE 15 to 20 kt after
midnight. Seas 2 to 3 ft. Wave Detail: E 2 ft at 3 seconds.
Showers likely with chance of tstms in the evening, then chance
of showers and slight chance of tstms after midnight. Vsby 1 to
3 nm.
.THU...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to
3 ft. Wave Detail: E 3 ft at 4 seconds. Chance of showers, mainly
in the morning.
.THU NIGHT...NE winds 15 to 20 kt, becoming N 10 to 15 kt after
midnight. Seas 2 to 3 ft. Wave Detail: NE 3 ft at 4 seconds.
.FRI...N winds 15 to 20 kt, becoming NE 10 to 15 kt in the
afternoon. Seas 2 to 3 ft. Wave Detail: NE 2 ft at 4 seconds.
.FRI NIGHT...E winds 5 to 10 kt, becoming SW after midnight. Seas
1 ft or less.
.SAT...SW winds 5 to 10 kt. Seas 1 ft or less.
.SAT NIGHT...S winds 5 to 10 kt. Seas 1 ft or less.
.SUN...S winds 5 to 10 kt. Seas 1 ft or less. Chance of showers.
.SUN NIGHT...S winds 5 to 10 kt. Seas 1 ft or less. Chance of
showers.

Winds and seas may be higher in and near tstms.

$$

ANZ338-200715-
New York Harbor-
242 PM EDT Tue Aug 19 2025

.TONIGHT...SE winds 10 to 15 kt. Waves 2 to 3 ft. Wave Detail: E
2 ft at 3 seconds.
.WED...E winds 10 to 15 kt. Waves 2 to 3 ft. Wave Detail: E 2 ft
at 3 seconds. Chance of showers in the morning, then showers
likely with chance of tstms in the afternoon.
.WED NIGHT...E winds 10 to 15 kt, becoming NE 15 to 20 kt after
midnight. Waves 2 to 3 ft. Wave Detail: E 2 ft at 3 seconds.
Showers likely with chance of tstms in the evening, then chance
of showers and slight chance of tstms after midnight. Vsby 1 to
3 nm.
.THU...NE winds 15 to 20 kt with gusts up to 25 kt. Waves 2 to
4 ft, occasionally to 5 ft. Wave Detail: NE 3 ft at 4 seconds.
Chance of showers and slight chance of tstms in the morning, then
slight chance of showers in the afternoon.
.THU NIGHT...NE winds 15 to 20 kt, becoming N 10 to 15 kt after
midnight. Waves 2 to 4 ft, occasionally to 5 ft. Wave Detail: NE
3 ft at 4 seconds. Slight chance of showers in the evening.
.FRI...N winds 15 to 20 kt, becoming NE around 10 kt in the
afternoon. Waves 2 to 4 ft, occasionally to 5 ft. Wave Detail: NE
3 ft at 4 seconds.
.FRI NIGHT...SE winds 5 to 10 kt, becoming SW after midnight.
Waves 2 to 4 ft, occasionally to 5 ft.
.SAT...S winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to
4 ft, occasionally to 5 ft.
.SAT NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Waves
2 to 3 ft.
.SUN...S winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to
3 ft. Chance of showers.
.SUN NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Waves
1 to 2 ft. Chance of showers.

Winds and waves may be higher in and near tstms.

$$

ANZ340-200715-
Peconic and Gardiners Bays-
242 PM EDT Tue Aug 19 2025

.TONIGHT...E winds 5 to 10 kt. Waves 1 ft or less.
.WED...E winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt in the afternoon. Waves 1 to 2 ft. Chance of showers
in the morning, then showers likely with slight chance of tstms
in the afternoon with vsby 1 to 3 nm.
.WED NIGHT...E winds 10 to 15 kt with gusts up to 20 kt. Waves
around 2 ft. Showers likely. Chance of tstms, mainly in the
evening. Vsby 1 to 3 nm.
.THU...NE winds 15 to 20 kt with gusts up to 30 kt. Waves 2 to
3 ft. Chance of showers, mainly in the morning with vsby 1 to
3 nm.
.THU NIGHT...NE winds around 20 kt with gusts up to 30 kt. Waves
2 to 4 ft.
.FRI...N winds 15 to 20 kt, becoming NE 10 to 15 kt in the
afternoon. Waves 2 to 4 ft.
.FRI NIGHT...NE winds 5 to 10 kt, becoming NW after midnight.
Waves 1 to 2 ft.
.SAT...W winds 5 to 10 kt. Waves 1 to 2 ft.
.SAT NIGHT...S winds 5 to 10 kt. Waves 1 to 2 ft.
.SUN...S winds 5 to 10 kt with gusts up to 20 kt. Waves 1 ft or
less.
.SUN NIGHT...S winds 5 to 10 kt. Waves 1 ft or less. Chance of
showers.

Winds and waves may be higher in and near tstms.

$$

ANZ345-200715-
South Shore Bays from Jones Inlet through Shinnecock Bay-
242 PM EDT Tue Aug 19 2025

.TONIGHT...E winds 5 to 10 kt. Waves 1 ft or less. Rough
conditions around inlets.
.WED...E winds 10 to 15 kt. Waves 1 ft or less. Rough conditions
around inlets. Chance of showers in the morning, then showers
likely with chance of tstms in the afternoon with vsby 1 to 3 nm.
.WED NIGHT...E winds 10 to 15 kt, increasing to 15 to 20 kt after
midnight. Waves 1 ft or less. Rough conditions around inlets.
Showers likely with chance of tstms. Vsby 1 to 3 nm.
.THU...NE winds 15 to 20 kt with gusts up to 30 kt. Waves 1 ft or
less, then around 2 ft in the afternoon. Slight chance of showers
and tstms in the morning, then slight chance of showers in the
afternoon. Vsby 1 to 3 nm in the morning.
.THU NIGHT...NE winds 15 to 20 kt with gusts up to 30 kt. Waves
around 2 ft in the evening, then 1 ft or less.
.FRI...N winds 15 to 20 kt, becoming NE 10 to 15 kt in the
afternoon. Waves 1 ft or less.
.FRI NIGHT...NE winds 5 to 10 kt, becoming NW after midnight.
Waves 1 ft or less.
.SAT...SW winds 5 to 10 kt. Waves 1 ft or less.
.SAT NIGHT...S winds 5 to 10 kt. Waves 1 ft or less.
.SUN...S winds 10 to 15 kt with gusts up to 20 kt. Waves 1 ft or
less. Chance of showers.
.SUN NIGHT...S winds 5 to 10 kt with gusts up to 20 kt. Waves
1 ft or less. Chance of showers.

Winds and waves may be higher in and near tstms.

$$