HomeForecastsConnecticut ForecastsOld Lyme, CT Coastal Forecast

Old Lyme, CT Coastal Forecast

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Coastal Waters Forecast
National Weather Service New York NY
546 PM EDT Tue Apr 22 2025

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

ANZ300-231015-
546 PM EDT Tue Apr 22 2025

.Synopsis for the Long Island and Connecticut coastal waters...
A cold front pushes through tonight followed by high pressure
building in on Wednesday. High pressure begins to move offshore late
Thursday into early Friday. A frontal system will move across the
area late Friday into Saturday, followed by high pressure Sunday
into Monday.

$$

ANZ350-231015-
Moriches Inlet NY to Montauk Point NY out 20 nm-
546 PM EDT Tue Apr 22 2025

.TONIGHT...SW winds around 10 kt, becoming NW after midnight.
Seas 3 to 4 ft, occasionally to 5 ft. Wave Detail: S 4 ft at
7 seconds and SE 1 ft at 9 seconds.
.WED...NW winds 5 to 10 kt, becoming SW in the afternoon. Seas
around 3 ft. Wave Detail: S 3 ft at 7 seconds and SE 1 ft at
8 seconds.
.WED NIGHT...SW winds 5 to 10 kt, becoming W after midnight. Seas
2 to 3 ft. Wave Detail: SE 2 ft at 7 seconds.
.THU...NE winds around 5 kt, becoming SE in the afternoon. Seas
around 2 ft. Wave Detail: S 2 ft at 6 seconds and SE 1 ft at
9 seconds.
.THU NIGHT...S winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S
2 ft at 4 seconds and SE 2 ft at 10 seconds.
.FRI...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S 2 ft
at 4 seconds and SE 2 ft at 10 seconds.
.FRI NIGHT...S winds 10 to 15 kt. Seas 2 to 4 ft, occasionally to
5 ft. Chance of showers after midnight.
.SAT...SW winds 15 to 20 kt. Seas 4 to 6 ft, occasionally to
8 ft. Showers.
.SAT NIGHT...NW winds 15 to 20 kt. Seas 4 to 6 ft, occasionally
to 8 ft. Chance of showers.
.SUN...N winds 15 to 20 kt. Seas 3 to 5 ft, occasionally to 6 ft.
.SUN NIGHT...NW winds 5 to 10 kt. Seas 2 to 3 ft.

$$

ANZ353-231015-
Fire Island Inlet NY to Moriches Inlet NY out 20 nm-
546 PM EDT Tue Apr 22 2025

.TONIGHT...SW winds 10 to 15 kt, becoming W 5 to 10 kt late this
evening, then becoming N after midnight. Seas 3 to 4 ft,
occasionally to 5 ft. Wave Detail: S 4 ft at 7 seconds.
.WED...NW winds around 5 kt, becoming SW in the afternoon. Seas
2 to 3 ft. Wave Detail: S 3 ft at 7 seconds.
.WED NIGHT...SW winds 5 to 10 kt, becoming W after midnight. Seas
around 2 ft. Wave Detail: S 2 ft at 6 seconds and SE 2 ft at
9 seconds.
.THU...NE winds around 5 kt, becoming SE in the afternoon. Seas
around 2 ft. Wave Detail: S 2 ft at 5 seconds and SE 1 ft at
9 seconds.
.THU NIGHT...S winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S
2 ft at 3 seconds and SE 2 ft at 10 seconds.
.FRI...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 2 ft
at 10 seconds and S 1 ft at 3 seconds.
.FRI NIGHT...S winds 10 to 15 kt. Seas 2 to 4 ft, occasionally to
5 ft. Chance of showers after midnight.
.SAT...SW winds around 15 kt with gusts up to 20 kt. Seas 4 to
6 ft, occasionally to 8 ft. Showers.
.SAT NIGHT...NW winds around 15 kt with gusts up to 20 kt. Seas
4 to 5 ft, occasionally to 6 ft. Chance of showers.
.SUN...N winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
4 ft, occasionally to 5 ft.
.SUN NIGHT...NW winds 5 to 10 kt. Seas 2 to 3 ft.

$$

ANZ355-231015-
Sandy Hook NJ to Fire Island Inlet NY out 20 nm-
546 PM EDT Tue Apr 22 2025

.TONIGHT...W winds around 10 kt, becoming NW after midnight. Seas
around 3 ft. Wave Detail: S 3 ft at 7 seconds and W 1 ft at
2 seconds.
.WED...NW winds around 5 kt, becoming SW in the afternoon. Seas
2 to 3 ft. Wave Detail: SE 3 ft at 6 seconds.
.WED NIGHT...S winds 5 to 10 kt, becoming W after midnight. Seas
around 2 ft. Wave Detail: S 2 ft at 6 seconds and SE 1 ft at
9 seconds.
.THU...E winds around 5 kt, becoming SE in the afternoon. Seas
around 2 ft. Wave Detail: S 2 ft at 5 seconds and SE 1 ft at
9 seconds.
.THU NIGHT...S winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S
2 ft at 3 seconds and SE 2 ft at 10 seconds.
.FRI...S winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S 2 ft
at 3 seconds and SE 2 ft at 10 seconds.
.FRI NIGHT...S winds 10 to 15 kt. Seas 2 to 4 ft, occasionally to
5 ft. Chance of showers after midnight.
.SAT...SW winds around 15 kt with gusts up to 20 kt. Seas 3 to
5 ft, occasionally to 6 ft. Showers.
.SAT NIGHT...NW winds around 15 kt with gusts up to 20 kt. Seas
3 to 5 ft, occasionally to 6 ft. Chance of showers.
.SUN...N winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft, occasionally to 5 ft.
.SUN NIGHT...NW winds around 10 kt. Seas 2 to 3 ft.

$$

ANZ332-231015-
Long Island Sound East of the Mouth of the Connecticut River-
546 PM EDT Tue Apr 22 2025

.TONIGHT...SW winds around 10 kt, becoming NW late this evening
and overnight. Seas around 2 ft this evening, then 1 ft or less.
Wave Detail: W 1 ft at 2 seconds and E 1 ft at 7 seconds,
becoming W 1 ft at 2 seconds and SE 1 ft at 8 seconds.
.WED...W winds 5 to 10 kt. Seas 1 ft or less. Wave Detail: NW
1 ft at 2 seconds and E 1 ft at 8 seconds.
.WED NIGHT...SW winds 5 to 10 kt, becoming NW after midnight.
Seas 1 ft or less. Wave Detail: W 1 ft at 2 seconds and E 1 ft at
8 seconds.
.THU...NE winds around 5 kt, becoming S in the afternoon. Seas
1 ft or less. Wave Detail: E 1 ft at 8 seconds.
.THU NIGHT...SW winds 5 to 10 kt. Seas 1 ft or less. Wave Detail:
E 1 ft at 8 seconds.
.FRI...SW winds 5 to 10 kt. Seas 1 ft or less, then around 2 ft
in the afternoon. Wave Detail: E 1 ft at 9 seconds.
.FRI NIGHT...S winds around 10 kt. Seas around 2 ft. Chance of
showers after midnight.
.SAT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. Showers.
.SAT NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 3 ft. Chance of showers.
.SUN...N winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft.
.SUN NIGHT...NW winds 5 to 10 kt. Seas around 2 ft.

$$

ANZ331-231015-
Long Island Sound East of New Haven CT/Port Jefferson NY to the
Mouth of the Connecticut River-
546 PM EDT Tue Apr 22 2025

.TONIGHT...W winds 5 to 10 kt, becoming NW after midnight. Seas
around 2 ft this evening, then 1 ft or less. Wave Detail: W 1 ft
at 2 seconds, becoming NW 1 ft at 2 seconds.
.WED...W winds 5 to 10 kt. Seas 1 ft or less. Wave Detail: W 1 ft
at 2 seconds.
.WED NIGHT...SW winds 5 to 10 kt, becoming NW after midnight.
Seas 1 ft or less. Wave Detail: SW 1 ft at 2 seconds.
.THU...NE winds around 5 kt, becoming SE in the afternoon. Seas
1 ft or less.
.THU NIGHT...S winds 5 to 10 kt. Seas 1 ft or less.
.FRI...SW winds 5 to 10 kt. Seas 1 ft or less. Wave Detail: S
1 ft at 2 seconds.
.FRI NIGHT...S winds around 10 kt. Seas 1 ft or less. Chance of
showers after midnight.
.SAT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around
2 ft. Showers.
.SAT NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas
around 2 ft. Chance of showers.
.SUN...N winds 10 to 15 kt with gusts up to 20 kt. Seas around
2 ft.
.SUN NIGHT...NW winds 5 to 10 kt. Seas 1 ft or less.

$$

ANZ335-231015-
Long Island Sound West of New Haven CT/Port Jefferson NY-
546 PM EDT Tue Apr 22 2025

.TONIGHT...NW winds 5 to 10 kt, becoming N after midnight. Seas
around 2 ft this evening, then 1 ft or less. Wave Detail: W 1 ft
at 2 seconds.
.WED...NW winds around 5 kt, becoming SW in the afternoon. Seas
1 ft or less.
.WED NIGHT...SW winds 5 to 10 kt, becoming N after midnight. Seas
1 ft or less.
.THU...NE winds around 5 kt, becoming SE in the afternoon. Seas
1 ft or less.
.THU NIGHT...S winds 5 to 10 kt. Seas 1 ft or less.
.FRI...SW winds 5 to 10 kt. Seas 1 ft or less. Wave Detail: S
1 ft at 2 seconds.
.FRI NIGHT...S winds around 10 kt. Seas 1 ft or less. Showers
likely after midnight.
.SAT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around
2 ft. Showers.
.SAT NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas
around 2 ft. Chance of showers.
.SUN...N winds 10 to 15 kt with gusts up to 20 kt. Seas around
2 ft.
.SUN NIGHT...NW winds 5 to 10 kt. Seas 1 ft or less.

$$

ANZ338-231015-
New York Harbor-
546 PM EDT Tue Apr 22 2025

.TONIGHT...W winds 5 to 10 kt, becoming NW after midnight. Waves
1 ft or less. Wave Detail: W 1 ft at 2 seconds.
.WED...NW winds around 5 kt, becoming SW in the afternoon. Waves
1 ft or less.
.WED NIGHT...S winds 5 to 10 kt, becoming NW after midnight.
Waves 1 ft or less.
.THU...E winds around 5 kt, becoming SE in the afternoon. Waves
1 ft or less.
.THU NIGHT...S winds 5 to 10 kt, becoming SW after midnight.
Waves 1 to 2 ft in the evening, then 1 ft or less.
.FRI...SW winds around 5 kt, becoming S in the afternoon. Waves
1 ft or less, then 1 to 2 ft in the afternoon.
.FRI NIGHT...S winds 10 to 15 kt. Waves around 2 ft. Showers
likely after midnight.
.SAT...SW winds 10 to 15 kt with gusts up to 20 kt. Waves around
2 ft. Showers likely.
.SAT NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Waves
around 2 ft. Chance of showers.
.SUN...N winds 10 to 15 kt with gusts up to 20 kt. Waves around
2 ft.
.SUN NIGHT...NW winds 5 to 10 kt. Waves 1 ft or less.

$$

ANZ340-231015-
Peconic and Gardiners Bays-
546 PM EDT Tue Apr 22 2025

.TONIGHT...SW winds 5 to 10 kt, becoming NW after midnight. Waves
1 ft or less.
.WED...W winds 5 to 10 kt. Waves 1 ft or less.
.WED NIGHT...SW winds 5 to 10 kt, becoming NW after midnight.
Waves 1 ft or less.
.THU...NE winds around 5 kt, becoming SE around 5 kt in the
afternoon. Waves 1 ft or less.
.THU NIGHT...SW winds around 5 kt. Waves 1 ft or less.
.FRI...SW winds 5 to 10 kt. Waves 1 ft or less.
.FRI NIGHT...S winds 5 to 10 kt. Waves 1 ft or less. Chance of
showers after midnight.
.SAT...SW winds 10 to 15 kt with gusts up to 20 kt. Waves 1 ft or
less. Showers.
.SAT NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Waves
1 ft or less. Chance of showers.
.SUN...N winds 10 to 15 kt with gusts up to 20 kt. Waves 1 ft or
less.
.SUN NIGHT...NW winds 5 to 10 kt. Waves 1 ft or less.

$$

ANZ345-231015-
South Shore Bays from Jones Inlet through Shinnecock Bay-
546 PM EDT Tue Apr 22 2025

.TONIGHT...W winds 5 to 10 kt, becoming N after midnight. Waves
1 ft or less.
.WED...NW winds around 5 kt, becoming SW in the afternoon. Waves
1 ft or less.
.WED NIGHT...SW winds 5 to 10 kt, becoming NW after midnight.
Waves 1 ft or less.
.THU...NE winds around 5 kt, becoming SE in the afternoon. Waves
1 ft or less.
.THU NIGHT...S winds 5 to 10 kt. Waves 1 ft or less.
.FRI...S winds 5 to 10 kt. Waves 1 ft or less.
.FRI NIGHT...S winds 10 to 15 kt. Waves 1 ft or less. Chance of
showers after midnight.
.SAT...SW winds 10 to 15 kt with gusts up to 20 kt. Waves 1 ft or
less. Showers.
.SAT NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Waves
1 ft or less. Chance of showers.
.SUN...N winds 10 to 15 kt with gusts up to 20 kt. Waves 1 ft or
less.
.SUN NIGHT...NW winds 5 to 10 kt. Waves 1 ft or less.

$$


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