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West Islip, NY Coastal Forecast

FZUS51 KOKX 180035
CWFOKX

Coastal Waters Forecast
National Weather Service New York NY
735 PM EST Wed Dec 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

ANZ300-181315-
735 PM EST Wed Dec 17 2025

.Synopsis for the Long Island and Connecticut coastal waters...
A weak cold front or surface trough moves through this evening
with brief high pressure following through early Thursday. A
strong cold front gradually approaches thereafter and moves
through on Friday. High pressure then briefly builds in for the
start of the weekend. A warm front passes on Saturday followed by
a cold front Saturday night into Sunday. A secondary cold front
passes Sunday night. High pressure returns Monday. Another frontal
system looks to impact the region Tuesday into Wednesday.

$$

ANZ350-181315-
Moriches Inlet NY to Montauk Point NY out 20 nm-
735 PM EST Wed Dec 17 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 AM EST THURSDAY...
...GALE WARNING IN EFFECT FROM THURSDAY EVENING THROUGH FRIDAY
EVENING...

.TONIGHT...W winds 20 to 25 kt, diminishing to 15 to 20 kt with
gusts up to 25 kt late this evening, then becoming NW 5 to 10 kt
after midnight, becoming N late. Seas 5 to 7 ft, occasionally to
9 ft, subsiding to 3 to 5 ft, occasionally to 6 ft after
midnight. Wave Detail: SW 7 ft at 7 seconds and SE 1 ft at
10 seconds, becoming SW 5 ft at 7 seconds and SE 1 ft at
10 seconds.
.THU...SE winds 5 to 10 kt, becoming S 10 to 15 kt with gusts up
to 20 kt in the afternoon. Seas 3 to 4 ft, occasionally to 5 ft.
Wave Detail: S 4 ft at 7 seconds and SE 1 ft at 10 seconds.
.THU NIGHT...S winds 15 to 20 kt with gusts up to 30 kt,
increasing to 25 to 35 kt with gusts up to 45 kt after midnight.
Seas 4 to 6 ft, occasionally to 8 ft, building to 6 to 9 ft,
occasionally to 11 ft after midnight. Wave Detail: S 5 ft at
6 seconds and SE 1 ft at 10 seconds, becoming S 9 ft at 7 seconds
and SE 1 ft at 11 seconds. Chance of rain in the evening, then
rain after midnight with vsby 1 to 3 nm.
.FRI...S winds 30 to 40 kt with isolated gusts up to 50 kt,
becoming SW 25 to 35 kt in the afternoon. Seas 12 to 17 ft,
occasionally to 22 ft. Wave Detail: S 16 ft at 9 seconds. Rain and
slight chance of tstms in the morning, then chance of rain in the
afternoon. Vsby 1 to 3 nm in the morning.
.FRI NIGHT...W winds 30 to 40 kt. Seas 11 to 15 ft, occasionally
to 19 ft, subsiding to 9 to 13 ft, occasionally to 17 ft after
midnight. Wave Detail: S 13 ft at 10 seconds and W 12 ft at
8 seconds, becoming W 11 ft at 8 seconds and S 8 ft at
10 seconds.
.SAT...W winds 20 to 25 kt with gusts up to 30 kt, diminishing to
10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 7 to
10 ft, occasionally to 13 ft, subsiding to 5 to 6 ft,
occasionally to 8 ft in the afternoon.
.SAT NIGHT...SW winds 25 to 30 kt. Seas 7 to 10 ft, occasionally
to 13 ft.
.SUN...W winds 25 to 30 kt. Seas 8 to 11 ft, occasionally to
14 ft.
.SUN NIGHT...NW winds 25 to 35 kt. Seas 6 to 9 ft, occasionally
to 11 ft.
.MON...NW winds 25 to 30 kt. Seas 5 to 7 ft, occasionally to
9 ft.
.MON NIGHT...NW winds 15 to 20 kt with gusts up to 25 kt. Seas
3 to 5 ft, occasionally to 6 ft.

Winds and seas may be higher in and near tstms.

$$

ANZ353-181315-
Fire Island Inlet NY to Moriches Inlet NY out 20 nm-
735 PM EST Wed Dec 17 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 AM EST THURSDAY...
...GALE WARNING IN EFFECT FROM THURSDAY EVENING THROUGH FRIDAY
EVENING...

.TONIGHT...W winds 15 to 20 kt with gusts up to 25 kt, becoming
NW 5 to 10 kt after midnight. Seas 4 to 6 ft, occasionally to
8 ft, subsiding to 3 to 4 ft, occasionally to 5 ft after
midnight. Wave Detail: W 6 ft at 6 seconds and SE 1 ft at
10 seconds, becoming SW 4 ft at 7 seconds and SE 1 ft at
10 seconds.
.THU...SE winds 5 to 10 kt, becoming S 10 to 15 kt with gusts up
to 20 kt in the afternoon. Seas 2 to 4 ft, occasionally to 5 ft.
Wave Detail: S 3 ft at 7 seconds and SE 1 ft at 10 seconds.
.THU NIGHT...S winds 20 to 25 kt with gusts up to 30 kt,
increasing to 25 to 35 kt with gusts up to 45 kt after midnight.
Seas 3 to 5 ft, occasionally to 6 ft, building to 6 to 9 ft,
occasionally to 11 ft after midnight. Wave Detail: S 5 ft at
5 seconds and S 1 ft at 10 seconds, becoming S 9 ft at 7 seconds
and SE 1 ft at 11 seconds. Chance of rain in the evening, then
rain after midnight with vsby 1 to 3 nm.
.FRI...S winds 35 to 40 kt with isolated gusts up to 50 kt,
becoming W 30 to 35 kt in the afternoon. Seas 12 to 16 ft,
occasionally to 20 ft. Wave Detail: S 15 ft at 9 seconds and W 7
ft at 6 seconds. Rain and slight chance of tstms in the morning,
then chance of rain in the afternoon. Vsby 1 to 3 nm in the
morning.
.FRI NIGHT...W winds 30 to 40 kt, diminishing to 25 to 30 kt
after midnight. Seas 10 to 13 ft, occasionally to 17 ft,
subsiding to 8 to 11 ft, occasionally to 14 ft after midnight.
Wave Detail: W 10 ft at 7 seconds and S 9 ft at 10 seconds,
becoming W 9 ft at 7 seconds and S 7 ft at 10 seconds.
.SAT...W winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. Seas 5 to 8 ft, occasionally to 10 ft, subsiding to
4 to 5 ft, occasionally to 6 ft in the afternoon.
.SAT NIGHT...SW winds 25 to 30 kt. Seas 6 to 9 ft, occasionally
to 11 ft.
.SUN...W winds 25 to 30 kt. Seas 6 to 9 ft, occasionally to
11 ft.
.SUN NIGHT...NW winds 25 to 30 kt. Seas 5 to 8 ft, occasionally
to 10 ft.
.MON...NW winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to
6 ft, occasionally to 8 ft.
.MON NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 4 ft, occasionally to 5 ft.

Winds and seas may be higher in and near tstms.

$$

ANZ355-181315-
Sandy Hook NJ to Fire Island Inlet NY out 20 nm-
735 PM EST Wed Dec 17 2025

...GALE WARNING IN EFFECT FROM THURSDAY EVENING THROUGH FRIDAY
EVENING...

.TONIGHT...W winds 15 to 20 kt with occasional gusts up to 25 kt,
becoming NW 5 to 10 kt. Seas 3 to 4 ft, occasionally to 5 ft.
Wave Detail: W 4 ft at 6 seconds and SE 1 ft at 10 seconds.
.THU...SE winds 5 to 10 kt, becoming S 10 to 15 kt with gusts up
to 20 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: S 3 ft at
6 seconds and SE 1 ft at 10 seconds.
.THU NIGHT...S winds 20 to 25 kt with gusts up to 30 kt,
increasing to 25 to 35 kt with gusts up to 45 kt after midnight.
Seas 3 to 5 ft, occasionally to 6 ft, building to 6 to 9 ft,
occasionally to 11 ft after midnight. Wave Detail: S 4 ft at
5 seconds and SE 1 ft at 10 seconds, becoming S 9 ft at 7 seconds
and SE 1 ft at 10 seconds. Rain likely in the evening, then rain
and slight chance of tstms after midnight with vsby 1 to 3 nm.
.FRI...S winds 30 to 40 kt, becoming W 25 to 35 kt in the
afternoon. Seas 9 to 13 ft, occasionally to 17 ft. Wave Detail: S
13 ft at 8 seconds. Rain and slight chance of tstms in the
morning, then chance of rain in the afternoon. Vsby 1 to 3 nm.
.FRI NIGHT...W winds 30 to 35 kt, diminishing to 25 to 30 kt
after midnight. Seas 8 to 11 ft, occasionally to 14 ft. Wave
Detail: W 8 ft at 6 seconds and SE 8 ft at 10 seconds.
.SAT...W winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. Seas 5 to 7 ft, occasionally to 9 ft, subsiding to
3 to 5 ft, occasionally to 6 ft in the afternoon.
.SAT NIGHT...SW winds 20 to 25 kt with gusts up to 30 kt. Seas
4 to 6 ft, occasionally to 8 ft.
.SUN...W winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to
7 ft, occasionally to 9 ft.
.SUN NIGHT...NW winds around 25 kt with gusts up to 30 kt. Seas
5 to 7 ft, occasionally to 9 ft.
.MON...NW winds 20 to 25 kt. Seas 4 to 6 ft, occasionally to
8 ft.
.MON NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 3 ft.

Winds and seas may be higher in and near tstms.

$$

ANZ332-181315-
Long Island Sound East of the Mouth of the Connecticut River-
735 PM EST Wed Dec 17 2025

...GALE WARNING IN EFFECT FROM THURSDAY EVENING THROUGH FRIDAY
EVENING...

.TONIGHT...W winds 15 to 20 kt with occasional gusts up to 25 kt,
becoming NW 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: W 3 ft at 4
seconds.
.THU...SE winds 5 to 10 kt. Seas 1 ft or less, then around 2 ft
in the afternoon. Wave Detail: W 1 ft at 4 seconds, becoming SE
1 ft at 3 seconds.
.THU NIGHT...S winds 15 to 20 kt with gusts up to 25 kt,
increasing to 25 to 30 kt with gusts up to 40 kt after midnight.
Seas 2 to 3 ft, building to 3 to 5 ft, occasionally to 6 ft after
midnight. Wave Detail: S 2 ft at 3 seconds, becoming SE 4 ft at
5 seconds. Chance of rain in the evening, then rain after
midnight with vsby 1 to 3 nm.
.FRI...S winds 30 to 35 kt with isolated gusts up to 50 kt,
becoming SW 25 to 30 kt with gusts up to 40 kt in the afternoon.
Seas 5 to 7 ft, occasionally to 9 ft. Wave Detail: SW 5 ft at 4
seconds and SE 5 ft at 8 seconds. Rain and slight chance of tstms
in the morning, then rain likely in the afternoon. Vsby 1 to 3 nm
in the morning.
.FRI NIGHT...W winds 25 to 30 kt with gusts up to 40 kt. Seas
5 to 7 ft, occasionally to 9 ft. Wave Detail: W 6 ft at 5 seconds
and E 4 ft at 10 seconds.
.SAT...W winds 15 to 20 kt with gusts up to 25 kt, diminishing to
10 to 15 kt in the afternoon. Seas 3 to 5 ft, occasionally to
6 ft.
.SAT NIGHT...SW winds 20 to 25 kt with gusts up to 30 kt. Seas
2 to 4 ft, occasionally to 5 ft.
.SUN...W winds 20 to 25 kt. Seas 2 to 4 ft, occasionally to 5 ft.
.SUN NIGHT...NW winds 20 to 25 kt with gusts up to 30 kt. Seas
3 to 5 ft, occasionally to 6 ft.
.MON...NW winds 20 to 25 kt. Seas 2 to 4 ft, occasionally to
5 ft.
.MON NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 3 ft.

Winds and seas may be higher in and near tstms.

$$

ANZ331-181315-
Long Island Sound East of New Haven CT/Port Jefferson NY to the
Mouth of the Connecticut River-
735 PM EST Wed Dec 17 2025

...GALE WARNING IN EFFECT FROM THURSDAY EVENING THROUGH FRIDAY
EVENING...

.TONIGHT...W winds 15 to 20 kt, becoming NW around 5 kt. Seas
2 to 3 ft. Wave Detail: W 3 ft at 4 seconds.
.THU...S winds around 5 kt, becoming SE in the afternoon. Seas
1 ft or less. Wave Detail: W 1 ft at 3 seconds.
.THU NIGHT...SE winds 10 to 15 kt with gusts up to 20 kt,
becoming S 25 to 30 kt after midnight. Seas 2 to 4 ft,
occasionally to 5 ft. Wave Detail: S 4 ft at 4 seconds. Chance of
rain in the evening, then rain after midnight with vsby 1 to
3 nm.
.FRI...S winds 25 to 35 kt with gusts up to 45 kt, becoming W
25 to 30 kt in the afternoon. Seas 4 to 6 ft, occasionally to
8 ft. Wave Detail: S 6 ft at 5 seconds. Rain and slight chance of
tstms in the morning, then chance of rain in the afternoon. Vsby
1 to 3 nm in the morning.
.FRI NIGHT...W winds 25 to 35 kt. Seas 5 to 8 ft, occasionally to
10 ft. Wave Detail: W 7 ft at 6 seconds.
.SAT...W winds 15 to 20 kt, diminishing to around 10 kt in the
afternoon. Seas 3 to 5 ft, occasionally to 6 ft, subsiding to
2 ft in the afternoon.
.SAT NIGHT...SW winds 20 to 25 kt. Seas 2 to 4 ft, occasionally
to 5 ft.
.SUN...W winds 20 to 25 kt. Seas 3 to 5 ft, occasionally to 6 ft.
.SUN NIGHT...NW winds 25 to 30 kt. Seas 4 to 6 ft, occasionally
to 8 ft.
.MON...NW winds 20 to 25 kt. Seas 3 to 5 ft, occasionally to
6 ft.
.MON NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas
around 2 ft.

Winds and seas may be higher in and near tstms.

$$

ANZ335-181315-
Long Island Sound West of New Haven CT/Port Jefferson NY-
735 PM EST Wed Dec 17 2025

...GALE WARNING IN EFFECT FROM THURSDAY EVENING THROUGH FRIDAY
EVENING...

.TONIGHT...W winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 kt late this evening and overnight. Seas
around 2 ft this evening, then 1 ft or less. Wave Detail: W 2 ft
at 3 seconds, becoming W 1 ft at 3 seconds.
.THU...SE winds around 5 kt, increasing to 5 to 10 kt in the
afternoon. Seas 1 ft or less.
.THU NIGHT...SE winds 15 to 20 kt with gusts up to 25 kt,
becoming S 30 to 35 kt after midnight. Seas 1 to 2 ft, building
to 2 to 4 ft, occasionally to 5 ft after midnight. Wave Detail:
SE 2 ft at 2 seconds, becoming S 4 ft at 3 seconds. Rain likely
in the evening, then rain and slight chance of tstms after
midnight with vsby 1 to 3 nm.
.FRI...S winds 25 to 35 kt with gusts up to 45 kt, becoming W
25 to 30 kt in the afternoon. Seas 3 to 5 ft, occasionally to
6 ft. Wave Detail: S 5 ft at 4 seconds. Rain and slight chance of
tstms in the morning, then chance of rain in the afternoon. Vsby
1 to 3 nm.
.FRI NIGHT...W winds 25 to 35 kt. Seas 3 to 5 ft, occasionally to
6 ft. Wave Detail: W 5 ft at 5 seconds.
.SAT...W winds 15 to 20 kt, becoming SW around 10 kt in the
afternoon. Seas 2 to 4 ft, occasionally to 5 ft in the morning,
then 1 ft or less.
.SAT NIGHT...SW winds 20 to 25 kt. Seas 2 to 3 ft.
.SUN...W winds 20 to 25 kt. Seas 2 to 4 ft, occasionally to 5 ft.
.SUN NIGHT...W winds 25 to 30 kt. Seas 2 to 4 ft, occasionally to
5 ft.
.MON...NW winds 20 to 25 kt. Seas 2 to 4 ft, occasionally to
5 ft.
.MON NIGHT...NW winds 10 to 15 kt. Seas 1 to 2 ft.

Winds and seas may be higher in and near tstms.

$$

ANZ338-181315-
New York Harbor-
735 PM EST Wed Dec 17 2025

...GALE WARNING IN EFFECT FROM THURSDAY EVENING THROUGH FRIDAY
EVENING...

.TONIGHT...W winds 10 to 15 kt, diminishing to around 5 kt. Waves
1 to 2 ft this evening, then 1 ft or less. Wave Detail: W 1 ft at
2 seconds.
.THU...E winds around 5 kt, becoming SE in the afternoon. Waves
1 ft or less.
.THU NIGHT...S winds 15 to 20 kt with gusts up to 25 kt,
increasing to 25 to 35 kt with gusts up to 45 kt after midnight.
Waves 2 to 4 ft, occasionally to 5 ft. Wave Detail: S 3 ft at
3 seconds. Rain likely in the evening, then rain and slight
chance of tstms after midnight with vsby 1 to 3 nm.
.FRI...S winds 25 to 35 kt with gusts up to 45 kt, becoming W
25 to 30 kt in the afternoon. Waves 3 to 5 ft, occasionally to
6 ft. Wave Detail: S 3 ft at 2 seconds. Rain and slight chance of
tstms in the morning, then slight chance of rain and snow in the
afternoon. Vsby 1 to 3 nm.
.FRI NIGHT...W winds 25 to 30 kt, diminishing to 20 to 25 kt
after midnight. Waves 2 to 4 ft, occasionally to 5 ft. Wave
Detail: W 3 ft at 3 seconds and E 2 ft at 6 seconds.
.SAT...W winds 10 to 15 kt with gusts up to 20 kt, becoming SW
5 to 10 kt in the afternoon. Waves 2 to 3 ft.
.SAT NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Waves
2 to 3 ft.
.SUN...W winds 20 to 25 kt with gusts up to 30 kt. Waves 2 to
3 ft.
.SUN NIGHT...NW winds 20 to 25 kt. Waves 2 to 3 ft.
.MON...NW winds 15 to 20 kt with gusts up to 25 kt. Waves around
2 ft.
.MON NIGHT...NW winds 10 to 15 kt. Waves 1 to 2 ft.

Winds and waves may be higher in and near tstms.

$$

ANZ340-181315-
Peconic and Gardiners Bays-
735 PM EST Wed Dec 17 2025

...GALE WARNING IN EFFECT FROM THURSDAY EVENING THROUGH FRIDAY
EVENING...

.TONIGHT...W winds 10 to 15 kt with gusts up to 20 kt, becoming
NW around 5 kt. Waves 1 ft or less.
.THU...S winds 5 to 10 kt. Waves 1 ft or less.
.THU NIGHT...S winds 10 to 15 kt with gusts up to 25 kt,
increasing to 25 to 30 kt with gusts up to 40 kt after midnight.
Waves 1 ft or less, then around 2 ft after midnight. Chance of
rain in the evening, then rain after midnight with vsby 1 to
3 nm.
.FRI...S winds 25 to 30 kt, becoming SW 20 to 25 kt in the
afternoon. Gusts up to 45 kt. Waves 2 to 3 ft. Rain and slight
chance of tstms in the morning, then chance of rain in the
afternoon. Vsby 1 to 3 nm in the morning.
.FRI NIGHT...W winds 25 to 30 kt. Waves 2 to 4 ft.
.SAT...W winds 15 to 20 kt, diminishing to around 10 kt in the
afternoon. Waves 2 to 3 ft, subsiding to 1 to 2 ft in the
afternoon.
.SAT NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Waves
1 to 2 ft.
.SUN...W winds 15 to 20 kt with gusts up to 25 kt. Waves around
2 ft.
.SUN NIGHT...NW winds 20 to 25 kt with gusts up to 30 kt. Waves
2 to 3 ft.
.MON...NW winds 20 to 25 kt. Waves 2 to 3 ft.
.MON NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Waves
1 to 2 ft.

Winds and waves may be higher in and near tstms.

$$

ANZ345-181315-
South Shore Bays from Jones Inlet through Shinnecock Bay-
735 PM EST Wed Dec 17 2025

...GALE WARNING IN EFFECT FROM THURSDAY EVENING THROUGH FRIDAY
EVENING...

.TONIGHT...W winds 10 to 15 kt with gusts up to 20 kt, becoming
NW around 5 kt. Waves 1 ft or less.
.THU...SE winds 5 to 10 kt. Waves 1 ft or less.
.THU NIGHT...S winds 15 to 20 kt with gusts up to 25 kt,
increasing to 25 to 30 kt with gusts up to 40 kt after midnight.
Waves 1 ft or less, then around 2 ft after midnight. Chance of
rain in the evening, then rain after midnight with vsby 1 to
3 nm.
.FRI...S winds 25 to 35 kt with gusts up to 45 kt, becoming W
25 to 30 kt in the afternoon. Waves 2 to 3 ft. Rain and slight
chance of tstms in the morning, then chance of rain in the
afternoon. Vsby 1 to 3 nm in the morning.
.FRI NIGHT...W winds 25 to 30 kt. Waves 1 to 2 ft.
.SAT...W winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. Waves 1 ft or less.
.SAT NIGHT...SW winds 20 to 25 kt with gusts up to 30 kt. Waves
1 to 2 ft.
.SUN...W winds 20 to 25 kt with gusts up to 30 kt. Waves around
2 ft.
.SUN NIGHT...NW winds 20 to 25 kt with gusts up to 30 kt. Waves
1 to 2 ft.
.MON...NW winds 15 to 20 kt with gusts up to 25 kt. Waves 1 ft or
less.
.MON NIGHT...NW winds 10 to 15 kt. Waves 1 ft or less.

Winds and waves may be higher in and near tstms.

$$


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