Coastal Waters Forecast for Long Island Sound East of New Haven CT/Port Jefferson NY to the Mouth of the Connecticut River (ANZ331) (Text-Only)
NWS Forecast for: Long Island Sound East of New Haven CT/Port Jefferson NY to the Mouth of the Connecticut River (ANZ331)
Issued by: National Weather Service New York, NY
Last Update: 608 PM EDT Tue Mar 31 2026


Tonight: SW winds 15 to 20 kt. Occasional gusts up to 25 kt early this evening. Seas 2 to 3 ft. Wave detail: SW 3 ft at 4 seconds. Slight chance of showers after midnight.

Wed: SW winds 15 to 20 kt, diminishing to 5 to 10 kt in the afternoon. Seas 2 to 3 ft. Wave detail: SW 3 ft at 4 seconds. Chance of showers. Slight chance of tstms in the afternoon.

Wed Night: NE winds 5 to 10 kt, becoming E 10 to 15 kt with gusts up to 20 kt after midnight. Seas 1 ft or less, then around 2 ft after midnight. Wave detail: W 1 ft at 3 seconds, becoming E 2 ft at 3 seconds. Showers. Patchy fog after midnight with vsby 1 to 3 nm.

Thu: E winds 15 to 20 kt. Seas 2 to 3 ft. Wave detail: E 3 ft at 4 seconds. Patchy fog. Chance of light rain in the morning. Vsby 1 to 3 nm.

Thu Night: E winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas around 2 ft. Wave detail: E 2 ft at 4 seconds. Areas of fog. Vsby 1 to 3 nm.

Fri: SE winds around 5 kt, becoming SW 10 to 15 kt in the afternoon. Seas 1 ft or less. Areas of fog in the morning with vsby 1 to 3 nm.

Fri Night: SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft.

Sat: SW winds 5 to 10 kt, becoming S 10 to 15 kt in the afternoon. Seas 1 ft or less.

Sat Night: SE winds 15 to 20 kt. Seas around 2 ft. Chance of showers after midnight.

Sun: S winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. Showers likely.

Sun Night: SW winds 15 to 20 kt, becoming W after midnight. Seas 2 to 3 ft. Showers likely, mainly in the evening.

winds and seas may be higher in and near tstms.







Zone Forecast: Long Island Sound East of New Haven CT/Port Jefferson NY to the Mouth of the Connecticut River (ANZ331)

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