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 22 23 24 25 26
542
FZUS51 KOKX 270605
CWFOKX

Coastal Waters Forecast
National Weather Service New York NY
205 AM EDT Sun Jul 27 2025

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

ANZ300-271915-
205 AM EDT Sun Jul 27 2025

.Synopsis for the Long Island and Connecticut coastal waters...
High pressure moves offshore as a weak frontal system approaches the
area this morning. The front heads east of the region tonight
into early Monday. High pressure then returns Monday into Tuesday. A
cold front approaches Wednesday and moves across the area
Wednesday night into Thursday. High pressure builds in from the
Great Lakes Friday into next Saturday.


$$

ANZ350-271915-
Moriches Inlet NY to Montauk Point NY out 20 nm-
205 AM EDT Sun Jul 27 2025

.TODAY...S winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SE
2 ft at 4 seconds and SE 1 ft at 8 seconds. Slight chance of
showers this morning. Chance of showers this afternoon. Slight
chance of tstms late.
.TONIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S
2 ft at 4 seconds and SE 1 ft at 8 seconds. Chance of showers and
tstms in the evening.
.MON...NW winds 5 to 10 kt, becoming SW in the afternoon. Seas
around 2 ft. Wave Detail: S 2 ft at 4 seconds and SE 1 ft at
8 seconds.
.MON NIGHT...SW winds around 5 kt. Seas around 2 ft. Wave Detail:
S 1 ft at 5 seconds and SE 1 ft at 8 seconds.
.TUE...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S 1 ft
at 4 seconds and SE 1 ft at 8 seconds.
.TUE NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail:
SW 2 ft at 3 seconds and SE 1 ft at 8 seconds.
.WED...SW winds 5 to 10 kt. Seas around 2 ft.
.WED NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Chance of
showers and tstms.
.THU...NE winds 5 to 10 kt. Seas around 2 ft. Chance of showers.
.THU NIGHT...E winds 10 to 15 kt. Seas 2 to 3 ft. Chance of
showers.

Winds and seas may be higher in and near tstms.

$$

ANZ353-271915-
Fire Island Inlet NY to Moriches Inlet NY out 20 nm-
205 AM EDT Sun Jul 27 2025

.TODAY...S winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SE
2 ft at 4 seconds and SE 1 ft at 8 seconds. Chance of showers.
Chance of tstms this afternoon. Vsby 1 to 3 nm late.
.TONIGHT...SW winds 5 to 10 kt, becoming W after midnight. Seas
around 2 ft. Wave Detail: SE 2 ft at 4 seconds and SE 1 ft at
8 seconds. Chance of showers and tstms in the evening with vsby
1 to 3 nm.
.MON...N winds around 5 kt, becoming SW in the afternoon. Seas
around 2 ft. Wave Detail: S 1 ft at 4 seconds and SE 1 ft at
8 seconds.
.MON NIGHT...SW winds around 5 kt. Seas around 2 ft. Wave Detail:
S 1 ft at 4 seconds and SE 1 ft at 8 seconds.
.TUE...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW
1 ft at 4 seconds and SE 1 ft at 8 seconds.
.TUE NIGHT...SW winds around 10 kt. Seas around 2 ft. Wave
Detail: S 2 ft at 3 seconds and SE 1 ft at 8 seconds.
.WED...SW winds 5 to 10 kt. Seas around 2 ft.
.WED NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Chance of
showers and tstms.
.THU...NE winds 5 to 10 kt. Seas around 2 ft. Chance of showers.
.THU NIGHT...NE winds 10 to 15 kt. Seas 2 to 3 ft. Chance of
showers.

Winds and seas may be higher in and near tstms.

$$

ANZ355-271915-
Sandy Hook NJ to Fire Island Inlet NY out 20 nm-
205 AM EDT Sun Jul 27 2025

.TODAY...S winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SE
2 ft at 4 seconds and SE 1 ft at 8 seconds. Chance of showers
this morning. Chance of tstms. Showers likely this afternoon with
vsby 1 to 3 nm.
.TONIGHT...SW winds 5 to 10 kt, becoming W after midnight. Seas
around 2 ft. Wave Detail: SE 2 ft at 5 seconds and SE 1 ft at
8 seconds. Chance of showers and tstms in the evening with vsby
1 to 3 nm.
.MON...NW winds around 5 kt, becoming SW in the afternoon. Seas
around 2 ft. Wave Detail: S 1 ft at 4 seconds and SE 1 ft at
8 seconds.
.MON NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail:
S 1 ft at 4 seconds and SE 1 ft at 8 seconds.
.TUE...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S 1 ft
at 4 seconds and SE 1 ft at 8 seconds.
.TUE NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail:
S 2 ft at 3 seconds and SE 1 ft at 8 seconds.
.WED...SW winds 5 to 10 kt. Seas around 2 ft.
.WED NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Chance of
showers and tstms.
.THU...NE winds 5 to 10 kt. Seas around 2 ft. Showers likely with
chance of tstms.
.THU NIGHT...NE winds 10 to 15 kt. Seas around 2 ft. Chance of
showers.

Winds and seas may be higher in and near tstms.

$$

ANZ332-271915-
Long Island Sound East of the Mouth of the Connecticut River-
205 AM EDT Sun Jul 27 2025

.TODAY...S winds 5 to 10 kt. Seas 1 ft or less. Wave Detail: SE
1 ft at 3 seconds. Chance of showers. Slight chance of tstms
late.
.TONIGHT...SW winds 5 to 10 kt. Seas 1 ft or less. Wave Detail:
SW 1 ft at 2 seconds. Chance of showers and slight chance of
tstms in the evening, then slight chance of showers after
midnight.
.MON...NW winds around 5 kt, becoming SW in the afternoon. Seas
1 ft or less.
.MON NIGHT...S winds around 5 kt. Seas 1 ft or less. Wave Detail:
SE 1 ft at 8 seconds.
.TUE...SW winds around 5 kt, increasing to 5 to 10 kt in the
afternoon. Seas 1 ft or less. Wave Detail: S 1 ft at 2 seconds.
.TUE NIGHT...SW winds 5 to 10 kt. Seas 1 ft or less. Wave Detail:
SW 1 ft at 2 seconds.
.WED...SW winds 5 to 10 kt. Seas 1 ft or less.
.WED NIGHT...SW winds 5 to 10 kt. Seas 1 ft or less. Chance of
showers.
.THU...NE winds 5 to 10 kt. Seas 1 ft or less. Chance of showers.
.THU NIGHT...E winds 5 to 10 kt. Seas 1 ft or less. Chance of
showers.

Winds and seas may be higher in and near tstms.

$$

ANZ331-271915-
Long Island Sound East of New Haven CT/Port Jefferson NY to the
Mouth of the Connecticut River-
205 AM EDT Sun Jul 27 2025

.TODAY...S winds 5 to 10 kt. Seas 1 ft or less. Wave Detail: SW
1 ft at 2 seconds. Chance of showers. Slight chance of tstms
early this afternoon. Chance of tstms late.
.TONIGHT...S winds 5 to 10 kt, becoming W after midnight. Seas
1 ft or less. Wave Detail: SW 1 ft at 2 seconds. Chance of
showers and tstms in the evening.
.MON...NW winds around 5 kt, becoming SW in the afternoon. Seas
1 ft or less.
.MON NIGHT...SW winds around 5 kt. Seas 1 ft or less.
.TUE...SW winds around 5 kt, increasing to 5 to 10 kt in the
afternoon. Seas 1 ft or less.
.TUE NIGHT...SW winds 5 to 10 kt. Seas 1 ft or less. Wave Detail:
SW 1 ft at 2 seconds.
.WED...W winds 5 to 10 kt. Seas 1 ft or less.
.WED NIGHT...W winds 5 to 10 kt. Seas 1 ft or less. Chance of
showers.
.THU...NE winds 5 to 10 kt. Seas 1 ft or less. Chance of showers.
.THU NIGHT...NE winds 5 to 10 kt. Seas 1 ft or less. Chance of
showers.

Winds and seas may be higher in and near tstms.

$$

ANZ335-271915-
Long Island Sound West of New Haven CT/Port Jefferson NY-
205 AM EDT Sun Jul 27 2025

.TODAY...SW winds around 5 kt, becoming S late. Seas 1 ft or
less. Chance of showers this morning. Chance of tstms. Showers
likely this afternoon with vsby 1 to 3 nm.
.TONIGHT...SW winds 5 to 10 kt, becoming W after midnight. Seas
1 ft or less. Slight chance of showers and tstms in the evening
with vsby 1 to 3 nm.
.MON...N winds around 5 kt, becoming SW in the afternoon. Seas
1 ft or less.
.MON NIGHT...SW winds around 5 kt. Seas 1 ft or less.
.TUE...W winds around 5 kt, becoming SW in the afternoon. Seas
1 ft or less.
.TUE NIGHT...SW winds 5 to 10 kt, becoming W after midnight. Seas
1 ft or less.
.WED...W winds 5 to 10 kt. Seas 1 ft or less.
.WED NIGHT...W winds 5 to 10 kt. Seas 1 ft or less. Chance of
showers and tstms.
.THU...NE winds 5 to 10 kt. Seas 1 ft or less. Chance of showers
and tstms.
.THU NIGHT...NE winds 5 to 10 kt. Seas 1 ft or less. Chance of
showers.

Winds and seas may be higher in and near tstms.

$$

ANZ338-271915-
New York Harbor-
205 AM EDT Sun Jul 27 2025

.TODAY...S winds 5 to 10 kt. Waves 1 ft or less. Chance of
showers this morning. Chance of tstms. Showers this afternoon
with vsby 1 to 3 nm.
.TONIGHT...SW winds around 5 kt, becoming W after midnight. Waves
1 ft or less. Showers likely with chance of tstms in the evening
with vsby 1 to 3 nm.
.MON...NW winds around 5 kt, becoming SE in the afternoon. Waves
1 ft or less.
.MON NIGHT...S winds around 5 kt, becoming SW around 5 kt after
midnight. Waves 1 ft or less.
.TUE...W winds around 5 kt, becoming SW in the afternoon. Waves
1 ft or less.
.TUE NIGHT...SW winds 5 to 10 kt, becoming W after midnight.
Waves 1 ft or less.
.WED...SW winds 5 to 10 kt. Waves 1 ft or less.
.WED NIGHT...W winds 5 to 10 kt. Waves 1 ft or less. Chance of
showers and tstms.
.THU...NE winds 5 to 10 kt. Waves 1 ft or less. Showers likely
with chance of tstms.
.THU NIGHT...NE winds 5 to 10 kt. Waves 1 ft or less. Chance of
showers.

Winds and waves may be higher in and near tstms.

$$

ANZ340-271915-
Peconic and Gardiners Bays-
205 AM EDT Sun Jul 27 2025

.TODAY...S winds 5 to 10 kt. Waves 1 ft or less. Slight chance of
showers early this morning, then chance of showers late this
morning and afternoon. Slight chance of tstms late.
.TONIGHT...SW winds 5 to 10 kt, becoming W after midnight. Waves
1 ft or less. Chance of showers and slight chance of tstms in the
evening, then slight chance of showers after midnight.
.MON...NW winds around 5 kt, becoming SW in the afternoon. Waves
1 ft or less.
.MON NIGHT...S winds around 5 kt. Waves 1 ft or less.
.TUE...SW winds around 5 kt, increasing to 5 to 10 kt in the
afternoon. Waves 1 ft or less.
.TUE NIGHT...SW winds 5 to 10 kt. Waves 1 ft or less.
.WED...SW winds 5 to 10 kt. Waves 1 ft or less.
.WED NIGHT...SW winds 5 to 10 kt. Waves 1 ft or less. Chance of
showers.
.THU...NE winds 5 to 10 kt. Waves 1 ft or less. Chance of
showers.
.THU NIGHT...E winds 5 to 10 kt. Waves 1 ft or less. Chance of
showers.

Winds and waves may be higher in and near tstms.

$$

ANZ345-271915-
South Shore Bays from Jones Inlet through Shinnecock Bay-
205 AM EDT Sun Jul 27 2025

.TODAY...S winds 5 to 10 kt. Waves 1 ft or less. Chance of tstms
early this morning. Chance of showers this morning, then showers
likely with chance of tstms this afternoon with vsby 1 to 3 nm.
.TONIGHT...SW winds 5 to 10 kt, becoming W after midnight. Waves
1 ft or less. Chance of showers and tstms in the evening with
vsby 1 to 3 nm.
.MON...N winds around 5 kt, becoming SW in the afternoon. Waves
1 ft or less.
.MON NIGHT...SW winds around 5 kt. Waves 1 ft or less.
.TUE...SW winds around 5 kt, increasing to 5 to 10 kt in the
afternoon. Waves 1 ft or less.
.TUE NIGHT...SW winds 5 to 10 kt. Waves 1 ft or less.
.WED...SW winds 5 to 10 kt. Waves 1 ft or less.
.WED NIGHT...SW winds 5 to 10 kt. Waves 1 ft or less. Chance of
showers and tstms.
.THU...NE winds 5 to 10 kt. Waves 1 ft or less. Chance of
showers.
.THU NIGHT...NE winds 5 to 10 kt. Waves 1 ft or less. Chance of
showers.

Winds and waves may be higher in and near tstms.

$$