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: 324 AM EDT Tue Jul 7 2026


Today: NE winds 15 to 20 kt, diminishing to 10 to 15 kt this afternoon. Seas 2 to 3 ft. Wave detail: NE 3 ft at 4 seconds. Showers likely early this morning, then chance of showers late this morning and afternoon.

Tonight: N winds 10 to 15 kt. Seas around 2 ft. Wave detail: NE 2 ft at 3 seconds. Slight chance of showers in the evening.

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

Wed Night: SW winds around 5 kt. Seas 1 ft or less.

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

Thu Night: SW winds 5 to 10 kt. Seas 1 ft or less. Wave detail: SW 1 ft at 3 seconds. Chance of showers and tstms.

Fri: W winds 5 to 10 kt. Seas 1 ft or less. Chance of showers and tstms.

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

Sat: N winds 5 to 10 kt. Seas 1 ft or less.

Sat Night: NE winds around 5 kt. Seas 1 ft or less.

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)

Visit your local NWS office at: https://www.weather.gov/okx/