Coastal Waters Forecast
Issued by NWS Upton, NY

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076
FZUS51 KOKX 170648
CWFOKX

Coastal Waters Forecast
National Weather Service New York NY
248 AM EDT Thu Jul 17 2025

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

ANZ300-171930-
248 AM EDT Thu Jul 17 2025

.Synopsis for the Long Island and Connecticut coastal waters...
A cold front over the Ohio Valley and Lower Great Lakes this
morning will work east today, passing through the area this
evening. Weak high pressure builds in Friday into Friday night and
then offshore Saturday. A frontal system will impact the region
Saturday night and Sunday. High pressure builds to the north
Monday.

$$

ANZ350-171930-
Moriches Inlet NY to Montauk Point NY out 20 nm-
248 AM EDT Thu Jul 17 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH
LATE TONIGHT...

.TODAY...SW winds 10 to 15 kt with gusts up to 20 kt, increasing
to 15 to 20 kt with gusts up to 25 kt late. Seas 2 to 4 ft,
occasionally to 5 ft. Wave Detail: S 4 ft at 6 seconds and E 1 ft
at 9 seconds. Chance of showers and slight chance of tstms until
late afternoon.
.TONIGHT...SW winds 15 to 20 kt, becoming W 10 to 15 kt after
midnight. Seas 4 to 5 ft, occasionally to 6 ft. Wave Detail: S
5 ft at 7 seconds.
.FRI...NW winds 10 to 15 kt with gusts up to 20 kt, diminishing
to 5 to 10 kt in the afternoon. Seas 3 to 4 ft, occasionally to
5 ft. Wave Detail: SW 4 ft at 7 seconds and E 1 ft at 10 seconds.
.FRI NIGHT...W winds 5 to 10 kt, becoming NE after midnight. Seas
2 to 3 ft. Wave Detail: SW 3 ft at 7 seconds and E 1 ft at
10 seconds.
.SAT...SE winds around 5 kt, becoming S in the afternoon. Seas
2 to 3 ft. Wave Detail: S 2 ft at 7 seconds and E 1 ft at
10 seconds.
.SAT NIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: S
2 ft at 6 seconds and SE 2 ft at 9 seconds. Chance of showers in
the evening, then showers likely after midnight with vsby 1 to
3 nm.
.SUN...SW winds 10 to 15 kt. Seas 2 to 3 ft. Chance of showers
and tstms.
.SUN NIGHT...NW winds 10 to 15 kt. Seas 2 to 3 ft.
.MON...N winds 10 to 15 kt. Seas 2 to 3 ft.
.MON NIGHT...NE winds 5 to 10 kt. Seas around 2 ft.

Winds and seas may be higher in and near tstms.

$$

ANZ353-171930-
Fire Island Inlet NY to Moriches Inlet NY out 20 nm-
248 AM EDT Thu Jul 17 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH
LATE TONIGHT...

.TODAY...SW winds 10 to 15 kt. Gusts up to 25 kt late this
morning and afternoon. Seas 2 to 4 ft, occasionally to 5 ft. Wave
Detail: S 4 ft at 6 seconds and E 1 ft at 9 seconds. Chance of
showers and slight chance of tstms early this morning, then
slight chance of showers and tstms late this morning.
.TONIGHT...SW winds around 15 kt, becoming W after midnight. Seas
3 to 5 ft, occasionally to 6 ft. Wave Detail: S 5 ft at
7 seconds.
.FRI...NW winds 10 to 15 kt with gusts up to 20 kt, diminishing
to 5 to 10 kt in the afternoon. Seas 3 to 4 ft, occasionally to
5 ft. Wave Detail: W 4 ft at 6 seconds and E 1 ft at 10 seconds.
.FRI NIGHT...W winds around 5 kt, becoming N after midnight. Seas
2 to 3 ft. Wave Detail: S 3 ft at 7 seconds and E 1 ft at
10 seconds.
.SAT...E winds around 5 kt, becoming S in the afternoon. Seas
around 2 ft. Wave Detail: S 2 ft at 7 seconds and SE 2 ft at
9 seconds. Slight chance of showers in the afternoon.
.SAT NIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: S
2 ft at 4 seconds and SE 2 ft at 9 seconds. Chance of showers in
the evening, then showers likely with chance of tstms after
midnight with vsby 1 to 3 nm.
.SUN...SW winds 10 to 15 kt. Seas 2 to 3 ft. Chance of showers
and tstms.
.SUN NIGHT...NW winds 10 to 15 kt. Seas 2 to 3 ft.
.MON...NE winds 10 to 15 kt. Seas 2 to 3 ft.
.MON NIGHT...E winds 5 to 10 kt. Seas around 2 ft.

Winds and seas may be higher in and near tstms.

$$

ANZ355-171930-
Sandy Hook NJ to Fire Island Inlet NY out 20 nm-
248 AM EDT Thu Jul 17 2025

.TODAY...SW winds 10 to 15 kt. Seas 2 to 4 ft, occasionally to
5 ft. Wave Detail: SE 4 ft at 7 seconds. Chance of showers this
morning. Slight chance of tstms. Slight chance of showers this
afternoon.
.TONIGHT...SW winds around 15 kt, becoming NW after midnight.
Seas 3 to 4 ft, occasionally to 5 ft. Wave Detail: SW 4 ft at
6 seconds.
.FRI...NW winds 10 to 15 kt, diminishing to 5 to 10 kt in the
afternoon. Seas 2 to 3 ft. Wave Detail: NW 3 ft at 6 seconds.
.FRI NIGHT...NW winds 5 to 10 kt, becoming NE after midnight.
Seas 2 to 3 ft. Wave Detail: W 2 ft at 6 seconds and SE 2 ft at
9 seconds.
.SAT...E winds around 5 kt, becoming S in the afternoon. Seas
around 2 ft. Wave Detail: S 2 ft at 6 seconds and SE 2 ft at
9 seconds. Slight chance of showers in the afternoon.
.SAT NIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: S
2 ft at 4 seconds and SE 2 ft at 8 seconds. Chance of showers in
the evening, then showers likely with chance of tstms after
midnight.
.SUN...SW winds around 10 kt. Seas 2 to 3 ft. Chance of showers
and tstms.
.SUN NIGHT...N winds around 10 kt. Seas around 2 ft.
.MON...NE winds 5 to 10 kt. Seas around 2 ft.
.MON NIGHT...E winds around 10 kt. Seas around 2 ft.

Winds and seas may be higher in and near tstms.

$$

ANZ332-171930-
Long Island Sound East of the Mouth of the Connecticut River-
248 AM EDT Thu Jul 17 2025

.TODAY...SW winds 5 to 10 kt with gusts up to 20 kt, increasing
to 10 to 15 kt with occasional nearshore gusts up to 25 kt this
afternoon. Seas around 2 ft. Wave Detail: SW 2 ft at 3 seconds.
Chance of showers and tstms until late afternoon, then slight
chance of showers and tstms late.
.TONIGHT...SW winds 10 to 15 kt, becoming W after midnight. Gusts
up to 20 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 3 seconds.
.FRI...NW winds 10 to 15 kt with gusts up to 20 kt, diminishing
to 5 to 10 kt in the afternoon. Seas around 2 ft. Wave Detail: W
1 ft at 3 seconds.
.FRI NIGHT...NW winds around 5 kt, becoming NE after midnight.
Seas 1 ft or less. Wave Detail: W 1 ft at 2 seconds.
.SAT...E winds around 5 kt, becoming S in the afternoon. Seas
1 ft or less. Wave Detail: SE 1 ft at 3 seconds.
.SAT NIGHT...S winds around 10 kt. Seas around 2 ft. Wave Detail:
S 1 ft at 3 seconds. Chance of showers in the evening, then
showers likely after midnight with vsby 1 to 3 nm.
.SUN...SW winds 5 to 10 kt. Seas around 2 ft. Chance of showers
and tstms.
.SUN NIGHT...NW winds 5 to 10 kt. Seas 1 ft or less.
.MON...N winds 5 to 10 kt. Seas 1 ft or less.
.MON NIGHT...NE winds 5 to 10 kt. Seas 1 ft or less.

Winds and seas may be higher in and near tstms.

$$

ANZ331-171930-
Long Island Sound East of New Haven CT/Port Jefferson NY to the
Mouth of the Connecticut River-
248 AM EDT Thu Jul 17 2025

.TODAY...SW winds 5 to 10 kt with nearshore gusts up to 20 kt,
increasing to 10 to 15 kt with occasional nearshore gusts up to 25
kt late. Seas 1 ft or less, then around 2 ft this afternoon. Wave
Detail: SW 1 ft at 2 seconds. Chance of showers and tstms until
late afternoon, then slight chance of showers and tstms late.
.TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, becoming
W after midnight. Seas around 2 ft. Wave Detail: SW 1 ft at
3 seconds.
.FRI...NW winds 10 to 15 kt with gusts up to 20 kt, diminishing
to 5 to 10 kt in the afternoon. Seas 1 ft or less. Wave Detail:
NW 1 ft at 3 seconds.
.FRI NIGHT...N winds around 5 kt. Seas 1 ft or less. Wave Detail:
NW 1 ft at 2 seconds.
.SAT...E winds around 5 kt, becoming S in the afternoon. Seas
1 ft or less.
.SAT NIGHT...S winds around 10 kt. Seas 1 ft or less. Wave
Detail: S 1 ft at 2 seconds. Chance of showers in the evening,
then showers likely with chance of tstms after midnight with vsby
1 to 3 nm.
.SUN...SW winds 5 to 10 kt. Seas 1 ft or less. Chance of showers
and tstms.
.SUN NIGHT...NW winds 5 to 10 kt. Seas 1 ft or less.
.MON...N winds 5 to 10 kt. Seas 1 ft or less.
.MON NIGHT...NE winds 5 to 10 kt. Seas 1 ft or less.

Winds and seas may be higher in and near tstms.

$$

ANZ335-171930-
Long Island Sound West of New Haven CT/Port Jefferson NY-
248 AM EDT Thu Jul 17 2025

.TODAY...SW winds 5 to 10 kt, increasing to 10 to 15 kt with
occasional nearshore gusts up to 25 kt this afternoon. Seas 1 ft
or less, then 1 to 2 ft this afternoon. Wave Detail: SW 1 ft at 2
seconds. Chance of showers and tstms until late afternoon, then
slight chance of showers and tstms late.
.TONIGHT...W winds 10 to 15 kt with gusts up to 25 kt. Seas
around 2 ft. Wave Detail: SW 2 ft at 3 seconds. Slight chance of
showers and tstms in the evening.
.FRI...NW winds 10 to 15 kt, diminishing to 5 to 10 kt in the
afternoon. Seas 1 ft or less. Wave Detail: NW 1 ft at 3 seconds.
.FRI NIGHT...N winds 5 to 10 kt. Seas 1 ft or less.
.SAT...E winds around 5 kt, becoming S in the afternoon. Seas
1 ft or less. Slight chance of showers in the afternoon.
.SAT NIGHT...S winds around 10 kt. Seas 1 ft or less. Wave
Detail: S 1 ft at 2 seconds. Chance of showers in the evening,
then showers likely with chance of tstms after midnight.
.SUN...W winds 5 to 10 kt. Seas 1 ft or less. Chance of showers
and tstms.
.SUN NIGHT...N winds 5 to 10 kt. Seas 1 ft or less.
.MON...N winds 5 to 10 kt. Seas 1 ft or less.
.MON NIGHT...NE winds 5 to 10 kt. Seas 1 ft or less.

Winds and seas may be higher in and near tstms.

$$

ANZ338-171930-
New York Harbor-
248 AM EDT Thu Jul 17 2025

.TODAY...SW winds 5 to 10 kt with gusts up to 20 kt, increasing
to 10 to 15 kt with occasional nearshore gusts up to 25 kt this
afternoon. Waves 1 ft or less, then around 2 ft this afternoon.
Wave Detail: SW 1 ft at 2 seconds. Slight chance of tstms. Chance
of showers, mainly this morning.
.TONIGHT...W winds 10 to 15 kt, becoming NW after midnight.
Occasional nearshore gusts up to 25 kt. Waves around 2 ft. Wave
Detail: W 1 ft at 2 seconds. Slight chance of showers and tstms in
the evening.
.FRI...NW winds 10 to 15 kt with gusts up to 20 kt, diminishing
to 5 to 10 kt in the afternoon. Waves around 2 ft in the morning,
then 1 ft or less. Wave Detail: NW 1 ft at 2 seconds.
.FRI NIGHT...NW winds 5 to 10 kt, becoming NE after midnight.
Waves 1 ft or less.
.SAT...E winds around 5 kt, becoming SE in the afternoon. Waves
1 ft or less. Slight chance of showers in the afternoon.
.SAT NIGHT...S winds around 10 kt. Waves 1 to 2 ft. Chance of
showers in the evening, then showers likely with chance of tstms
after midnight.
.SUN...W winds 5 to 10 kt. Waves 1 to 2 ft. Chance of showers and
tstms.
.SUN NIGHT...N winds 5 to 10 kt. Waves 1 ft or less.
.MON...NE winds 5 to 10 kt. Waves 1 ft or less.
.MON NIGHT...E winds 5 to 10 kt. Waves 1 ft or less.

Winds and waves may be higher in and near tstms.

$$

ANZ340-171930-
Peconic and Gardiners Bays-
248 AM EDT Thu Jul 17 2025

.TODAY...SW winds 5 to 10 kt with gusts up to 20 kt, increasing
to 10 to 15 kt with occasional nearshore gusts up to 25 kt this
afternoon. Waves 1 ft or less. Chance of showers and tstms until
late afternoon.
.TONIGHT...SW winds 10 to 15 kt, becoming W after midnight. Waves
1 ft or less.
.FRI...NW winds 5 to 10 kt. Waves 1 ft or less.
.FRI NIGHT...NW winds around 5 kt, becoming NE after midnight.
Waves 1 ft or less.
.SAT...E winds around 5 kt, becoming S in the afternoon. Waves
1 ft or less.
.SAT NIGHT...S winds 5 to 10 kt. Waves 1 ft or less. Chance of
showers in the evening, then showers likely with chance of tstms
after midnight with vsby 1 to 3 nm.
.SUN...SW winds 5 to 10 kt. Waves 1 ft or less. Chance of showers
and tstms.
.SUN NIGHT...NW winds 5 to 10 kt. Waves 1 ft or less.
.MON...N winds 5 to 10 kt. Waves 1 ft or less.
.MON NIGHT...NE winds 5 to 10 kt. Waves 1 ft or less.

Winds and waves may be higher in and near tstms.

$$

ANZ345-171930-
South Shore Bays from Jones Inlet through Shinnecock Bay-
248 AM EDT Thu Jul 17 2025

.TODAY...SW winds 5 to 10 kt, increasing to 10 to 15 kt with
occasional nearshore gusts up to 25 kt late this morning and
afternoon. Waves 1 ft or less. Chance of showers and slight chance
of tstms this morning.
.TONIGHT...SW winds 10 to 15 kt, becoming W after midnight. Gusts
up to 25 kt. Waves 1 ft or less.
.FRI...NW winds 5 to 10 kt. Waves 1 ft or less.
.FRI NIGHT...N winds around 5 kt. Waves 1 ft or less.
.SAT...E winds around 5 kt, becoming S in the afternoon. Waves
1 ft or less. Slight chance of showers in the afternoon.
.SAT NIGHT...S winds around 10 kt. Waves 1 ft or less. Chance of
showers in the evening, then showers likely with chance of tstms
after midnight.
.SUN...SW winds around 10 kt. Waves 1 ft or less. Chance of
showers and tstms.
.SUN NIGHT...NW winds 5 to 10 kt. Waves 1 ft or less.
.MON...NE winds 5 to 10 kt. Waves 1 ft or less.
.MON NIGHT...NE winds 5 to 10 kt. Waves 1 ft or less.

Winds and waves may be higher in and near tstms.

$$