Coastal Waters Forecast
Issued by NWS Upton, NY

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21
837
FZUS51 KOKX 072028
CWFOKX

Coastal Waters Forecast
National Weather Service New York NY
428 PM EDT Tue Oct 7 2025

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

ANZ300-080915-
428 PM EDT Tue Oct 7 2025

.Synopsis for the Long Island and Connecticut coastal waters...
A cold front swings through during the first half of Wednesday. A
large dome of high pressure builds Wednesday night into Thursday.
Canadian high pressure settles over the area for the end of the
week, and slides offshore over the weekend.

$$

ANZ350-080915-
Moriches Inlet NY to Montauk Point NY out 20 nm-
428 PM EDT Tue Oct 7 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM EDT THIS EVENING
THROUGH THURSDAY AFTERNOON...

.TONIGHT...SW winds 15 to 20 kt. Seas 3 to 4 ft, occasionally to
5 ft, building to 4 to 6 ft, occasionally to 8 ft after midnight.
Wave Detail: SW 4 ft at 5 seconds and SE 1 ft at 9 seconds,
becoming SW 6 ft at 6 seconds and SE 1 ft at 9 seconds. Slight
chance of showers after midnight. Chance of showers late.
.WED...SW winds 15 to 20 kt, becoming NW in the afternoon. Seas
4 to 6 ft, occasionally to 8 ft. Wave Detail: SW 6 ft at
6 seconds and SE 1 ft at 9 seconds. Isolated tstms. Showers. Vsby
1 to 3 nm.
.WED NIGHT...N winds 20 to 25 kt. Seas 4 to 6 ft, occasionally to
8 ft. Wave Detail: N 5 ft at 6 seconds. Slight chance of showers
in the evening.
.THU...N winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. Seas 4 to 6 ft, occasionally to 8 ft. Wave Detail: NE
5 ft at 6 seconds and W 2 ft at 6 seconds.
.THU NIGHT...NE winds 10 to 15 kt. Seas 2 to 4 ft, occasionally
to 5 ft. Wave Detail: NE 3 ft at 7 seconds.
.FRI...NE winds 5 to 10 kt, becoming SE in the afternoon. Seas
2 to 3 ft. Wave Detail: E 3 ft at 6 seconds.
.FRI NIGHT...SW winds around 5 kt. Seas around 2 ft.
.SAT...E winds around 5 kt. Seas around 2 ft.
.SAT NIGHT...E winds 15 to 20 kt with gusts up to 25 kt. Seas
3 to 5 ft, occasionally to 6 ft.
.SUN...NE winds 25 to 30 kt. Seas 7 to 10 ft, occasionally to
13 ft. Chance of rain.
.SUN NIGHT...NE winds 25 to 35 kt. Seas 11 to 15 ft, occasionally
to 19 ft. Chance of rain.

Winds and seas may be higher in and near tstms.

$$

ANZ353-080915-
Fire Island Inlet NY to Moriches Inlet NY out 20 nm-
428 PM EDT Tue Oct 7 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY AFTERNOON...

.TONIGHT...S winds 15 to 20 kt, becoming SW 20 to 25 kt late.
Seas 3 to 5 ft, occasionally to 6 ft, building to 5 to 6 ft,
occasionally to 8 ft after midnight. Wave Detail: S 4 ft at
5 seconds and SE 2 ft at 10 seconds, becoming S 6 ft at 6 seconds
and SE 1 ft at 10 seconds. Slight chance of showers after
midnight. Chance of showers late.
.WED...SW winds 20 to 25 kt, becoming NW 15 to 20 kt in the
afternoon. Seas 4 to 6 ft, occasionally to 8 ft. Wave Detail: SW
6 ft at 6 seconds and SE 1 ft at 10 seconds. Isolated tstms.
Showers. Vsby 1 to 3 nm.
.WED NIGHT...N winds 20 to 25 kt. Seas 4 to 6 ft, occasionally to
8 ft. Wave Detail: SW 5 ft at 6 seconds and NE 5 ft at 9 seconds.
Slight chance of showers in the evening.
.THU...N winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. Seas 4 to 6 ft, occasionally to 8 ft. Wave Detail: NE
5 ft at 6 seconds and W 2 ft at 5 seconds.
.THU NIGHT...NE winds 10 to 15 kt. Seas 2 to 4 ft, occasionally
to 5 ft. Wave Detail: NE 4 ft at 7 seconds.
.FRI...NE winds 5 to 10 kt, becoming SE in the afternoon. Seas
2 to 3 ft. Wave Detail: E 3 ft at 8 seconds.
.FRI NIGHT...SW winds around 5 kt. Seas around 2 ft.
.SAT...E winds 5 to 10 kt. Seas 2 to 3 ft.
.SAT NIGHT...NE winds 15 to 20 kt with gusts up to 25 kt. Seas
3 to 5 ft, occasionally to 6 ft.
.SUN...NE winds 25 to 30 kt. Seas 8 to 11 ft, occasionally to
14 ft. Chance of rain.
.SUN NIGHT...NE winds 25 to 35 kt. Seas 11 to 15 ft, occasionally
to 19 ft. Chance of rain.

Winds and seas may be higher in and near tstms.

$$

ANZ355-080915-
Sandy Hook NJ to Fire Island Inlet NY out 20 nm-
428 PM EDT Tue Oct 7 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY AFTERNOON...

.TONIGHT...S winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to
5 ft, occasionally to 6 ft. Wave Detail: S 5 ft at 5 seconds and
SE 1 ft at 10 seconds. Slight chance of showers late this
evening. Chance of showers after midnight.
.WED...SW winds 15 to 20 kt, becoming N in the afternoon. Seas
3 to 5 ft, occasionally to 6 ft. Wave Detail: SW 5 ft at
6 seconds and SE 2 ft at 9 seconds. Showers with isolated tstms
in the morning, then showers in the afternoon. Vsby 1 to 3 nm in
the morning.
.WED NIGHT...N winds 15 to 20 kt with gusts up to 25 kt. Seas
3 to 5 ft, occasionally to 6 ft. Wave Detail: N 4 ft at 5 seconds
and E 4 ft at 9 seconds.
.THU...N winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. Seas 3 to 5 ft, occasionally to 6 ft. Wave Detail: N
4 ft at 5 seconds.
.THU NIGHT...NE winds 10 to 15 kt. Seas 2 to 4 ft, occasionally
to 5 ft. Wave Detail: NE 3 ft at 7 seconds.
.FRI...NE winds 5 to 10 kt, becoming SE in the afternoon. Seas
2 to 3 ft. Wave Detail: E 3 ft at 7 seconds.
.FRI NIGHT...S winds 5 to 10 kt. Seas around 2 ft.
.SAT...E winds 5 to 10 kt. Seas 2 to 3 ft.
.SAT NIGHT...NE winds 15 to 20 kt with gusts up to 25 kt. Seas
3 to 5 ft, occasionally to 6 ft.
.SUN...NE winds 25 to 30 kt. Seas 6 to 9 ft, occasionally to
11 ft. Chance of rain.
.SUN NIGHT...NE winds 25 to 30 kt with gusts up to 40 kt. Seas
9 to 13 ft, occasionally to 17 ft. Chance of rain.

Winds and seas may be higher in and near tstms.

$$

ANZ332-080915-
Long Island Sound East of the Mouth of the Connecticut River-
428 PM EDT Tue Oct 7 2025

.TONIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to
3 ft. Wave Detail: SW 2 ft at 3 seconds. Slight chance of showers
after midnight. Chance of showers late.
.WED...SW winds 15 to 20 kt, becoming NW 10 to 15 kt in the
afternoon. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 3 seconds and
SE 1 ft at 6 seconds. Isolated tstms. Showers. Vsby 1 to 3 nm.
.WED NIGHT...N winds 15 to 20 kt. Seas 2 to 3 ft. Wave Detail: N
2 ft at 4 seconds. Slight chance of showers in the evening.
.THU...N winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. Seas 2 to 3 ft. Wave Detail: N 2 ft at 4 seconds.
.THU NIGHT...N winds 5 to 10 kt. Seas around 2 ft. Wave Detail: N
1 ft at 3 seconds.
.FRI...NE winds around 5 kt, becoming S in the afternoon. Seas
1 ft or less. Wave Detail: NE 1 ft at 5 seconds.
.FRI NIGHT...SW winds around 5 kt. Seas 1 ft or less.
.SAT...SW winds around 5 kt. Seas 1 ft or less.
.SAT NIGHT...E winds 10 to 15 kt. Seas 2 to 3 ft.
.SUN...NE winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to
5 ft, occasionally to 6 ft.
.SUN NIGHT...NE winds 20 to 25 kt with gusts up to 30 kt. Seas
5 to 7 ft, occasionally to 9 ft. Chance of rain.

Winds and seas may be higher in and near tstms.

$$

ANZ331-080915-
Long Island Sound East of New Haven CT/Port Jefferson NY to the
Mouth of the Connecticut River-
428 PM EDT Tue Oct 7 2025

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

Winds and seas may be higher in and near tstms.

$$

ANZ335-080915-
Long Island Sound West of New Haven CT/Port Jefferson NY-
428 PM EDT Tue Oct 7 2025

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

Winds and seas may be higher in and near tstms.

$$

ANZ338-080915-
New York Harbor-
428 PM EDT Tue Oct 7 2025

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

Winds and waves may be higher in and near tstms.

$$

ANZ340-080915-
Peconic and Gardiners Bays-
428 PM EDT Tue Oct 7 2025

.TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Waves
1 ft or less. Chance of showers after midnight.
.WED...SW winds 10 to 15 kt, becoming NW in the afternoon. Waves
1 ft or less. Isolated tstms. Showers. Vsby 1 to 3 nm.
.WED NIGHT...N winds 15 to 20 kt. Waves around 2 ft. Slight
chance of showers in the evening.
.THU...N winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. Waves around 2 ft.
.THU NIGHT...NE winds 5 to 10 kt. Waves 1 ft or less.
.FRI...NE winds around 5 kt, becoming S in the afternoon. Waves
1 ft or less.
.FRI NIGHT...SW winds around 5 kt. Waves 1 ft or less.
.SAT...E winds around 5 kt. Waves 1 ft or less.
.SAT NIGHT...E winds 5 to 10 kt. Waves 1 ft or less.
.SUN...NE winds 15 to 20 kt with gusts up to 30 kt. Waves around
2 ft. Chance of rain.
.SUN NIGHT...NE winds 20 to 25 kt. Waves 2 to 4 ft. Chance of
rain.

Winds and waves may be higher in and near tstms.

$$

ANZ345-080915-
South Shore Bays from Jones Inlet through Shinnecock Bay-
428 PM EDT Tue Oct 7 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY AFTERNOON...

.TONIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Waves
1 ft or less. Slight chance of showers late this evening. Chance
of showers after midnight.
.WED...SW winds 15 to 20 kt, becoming NW 10 to 15 kt in the
afternoon. Waves 1 ft or less. Isolated tstms. Showers. Vsby 1 to
3 nm.
.WED NIGHT...N winds 15 to 20 kt with gusts up to 25 kt. Waves
1 ft or less.
.THU...N winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. Waves 1 ft or less.
.THU NIGHT...NE winds 5 to 10 kt. Waves 1 ft or less.
.FRI...NE winds around 5 kt, becoming SE in the afternoon. Waves
1 ft or less.
.FRI NIGHT...SW winds around 5 kt. Waves 1 ft or less.
.SAT...NE winds around 5 kt. Waves 1 ft or less.
.SAT NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Waves
1 ft or less.
.SUN...NE winds 20 to 25 kt with gusts up to 30 kt. Waves 1 to
2 ft.
.SUN NIGHT...NE winds 25 to 30 kt. Waves around 2 ft. Chance of
rain.

Winds and waves may be higher in and near tstms.

$$