Long Island Sound West of New Haven CT/Port Jefferson NY Marine Forecast
Updated 3:16am EDT Aug 27, 2026
Today
S winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt this afternoon. Seas 1 ft or less, then around 2 ft this afternoon. Wave Detail: S 1 ft at 2 seconds. Slight chance of showers and tstms late this morning. Chance of showers and tstms this afternoon.
Tonight
S winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas 1 to 2 ft in the evening, then 1 ft or less. Wave Detail: SW 1 ft at 2 seconds.
Fri
SW winds around 5 kt. Seas 1 ft or less. Slight chance of showers in the morning, then chance of showers and tstms in the afternoon.
Fri Night
W winds around 5 kt, becoming N after midnight. Seas 1 ft or less. Chance of showers and slight chance of tstms in the evening.
Sat
N winds 5 to 10 kt, becoming NW in the afternoon. Seas 1 ft or less.
Sat Night
SW winds around 5 kt. Seas 1 ft or less.
Sun
SW winds 5 to 10 kt. Seas 1 ft or less.
Sun Night
SW winds 5 to 10 kt. Seas 1 ft or less.
Mon
W winds 5 to 10 kt. Seas 1 ft or less.
Mon Night
SW winds around 5 kt. Seas 1 ft or less. Chance of showers.