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: 448 PM EDT Mon May 18 2026




Tonight: S winds 5 to 10 kt. Seas 1 ft or less. Wave detail: S 1 ft at 2 seconds.

Tue: SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 1 ft or less.

Tue Night: SW winds 10 to 15 kt with gusts up to 20 kt. Seas 1 ft or less. Wave detail: SW 1 ft at 3 seconds.

Wed: SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 1 ft or less. Wave detail: SW 1 ft at 3 seconds. Chance of showers and tstms in the afternoon.

Wed Night: NW winds 5 to 10 kt, increasing to 10 to 15 kt after midnight. Seas 1 ft or less. Wave detail: W 1 ft at 3 seconds. Showers and chance of tstms in the evening, then chance of showers after midnight.

Thu: N winds 5 to 10 kt, becoming S in the afternoon. Seas 1 ft or less. Wave detail: NW 1 ft at 2 seconds.

Thu Night: S winds around 5 kt, becoming E after midnight. Seas 1 ft or less.

Fri: E winds 5 to 10 kt. Seas 1 ft or less.

Fri Night: SE winds 5 to 10 kt. Seas 1 ft or less. Chance of showers.

Sat: E winds 10 to 15 kt with gusts up to 20 kt. Seas 1 to 2 ft. Showers likely.

Sat Night: E winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Showers likely.

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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