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: 524 PM EST Thu Nov 12 2026




Tonight: E winds 20 to 25 kt, increasing to 25 to 30 kt this evening, then diminishing to 20 to 25 kt after midnight, becoming NE 25 to 30 kt late. Seas 3 to 4 ft, occasionally to 5 ft, building to 4 to 6 ft, occasionally to 8 ft. Wave detail: E 4 ft at 4 seconds, becoming E 5 ft at 5 seconds. Showers early, then rain after midnight.

Fri: NE winds 25 to 30 kt with gusts up to 35 kt, becoming N 20 to 25 kt in the afternoon. Seas 4 to 6 ft, occasionally to 8 ft. Wave detail: NE 5 ft at 5 seconds. Rain.

Fri Night: N winds 10 to 15 kt. Seas 2 to 3 ft. Wave detail: N 2 ft at 4 seconds. Chance of rain in the evening.

Sat: NW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Wave detail: NW 2 ft at 3 seconds and E 1 ft at 4 seconds.

Sat Night: NW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Wave detail: NW 2 ft at 4 seconds.

Sun: NW winds around 15 kt with gusts up to 20 kt. Seas around 2 ft.

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

Mon: NW winds 10 to 15 kt. Seas around 2 ft.

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

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

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







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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