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: 216 PM EST Thu Dec 4 2025




This Afternoon: W winds around 20 kt with gusts up to 25 kt, becoming NW 25 to 30 kt late. Gusts up to 35 kt. Seas 2 to 4 ft, occasionally to 5 ft. Wave detail: W 4 ft at 4 seconds.

Tonight: NW winds 25 to 30 kt, becoming N 15 to 20 kt after midnight. Gusts up to 35 kt until midnight. Seas 3 to 5 ft, occasionally to 6 ft, subsiding to 2 to 3 ft after midnight. Wave detail: NW 4 ft at 5 seconds, becoming NW 3 ft at 4 seconds.

Fri: NE winds 5 to 10 kt, becoming S in the afternoon. Seas 1 ft or less. Wave detail: NW 1 ft at 3 seconds.

Fri Night: S winds around 5 kt, becoming NW around 5 kt after midnight. Seas 1 ft or less. Slight chance of snow. Slight chance of rain in the evening, then chance of rain after midnight. Vsby 1 to 3 nm.

Sat: W winds 5 to 10 kt. Seas 1 ft or less. Wave detail: SW 1 ft at 2 seconds. Slight chance of rain in the morning.

Sat Night: NW winds 5 to 10 kt. Seas 1 ft or less. Wave detail: W 1 ft at 3 seconds.

Sun: NW winds 5 to 10 kt. Seas 1 ft or less.

Sun Night: W winds 15 to 20 kt. Seas 1 to 2 ft.

Mon: NW winds 20 to 25 kt. Seas 2 to 4 ft, occasionally to 5 ft.

Mon Night: NW winds 15 to 20 kt. Seas 2 to 3 ft.







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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