Long Island Sound West of New Haven CT/Port Jefferson NY Marine Forecast

Hourly forecast at zone center

Hourly wind and waves

Gusts peak near 30kts around 9:00 PM, with waves reaching 3.5ft around 11:00 PM.

Sunday, October 11

7:10 AM EDT

Wind Now

13ktsE

Gusts:15kts

Wind Now: 13 kts; gusts 15 kts. Use left and right arrows to inspect hours; Escape to reset.

Hourly wind speed and gust forecastSustained wind is shown in cyan and gusts in blue-gray. Dashed lines show past conditions. Direction arrows show where the wind is traveling.01020304012AM6AM12PM6PM

Waves Now

1.2ftE

Period2s

Waves Now: 1.2 ft; period 2 seconds. Use left and right arrows to inspect hours; Escape to reset.

Hourly wave height and period forecastWave height is shown in blue. The dashed line shows past conditions. Direction arrows show where the waves are traveling.01234512AM6AM12PM6PM

NOAA marine forecast

Text forecast

Updated 2:38am EDT Oct 11, 2026

Small Craft Advisory In Effect From Noon Edt Today Through Late Tonight

Today

E winds 10 to 15 kt. Gusts up to 25 kt late this morning and afternoon. Seas 1 ft or less, then around 2 ft this afternoon. Wave Detail: E 1 ft at 3 seconds, becoming E 2 ft at 3 seconds. Chance of rain this morning, then rain this afternoon.

Tonight

NE winds 20 to 25 kt with gusts up to 30 kt. Seas 2 to 4 ft, occasionally to 5 ft. Wave Detail: E 4 ft at 4 seconds.

Mon

N winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: NE 3 ft at 5 seconds.

Mon Night

N winds around 5 kt. Seas 1 ft or less. Wave Detail: NE 1 ft at 4 seconds.

Tue

E winds 5 to 10 kt, becoming S in the afternoon. Seas 1 ft or less. Wave Detail: S 1 ft at 2 seconds.

Tue Night

SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Wave Detail: S 2 ft at 2 seconds.

Wed

W winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft.

Wed Night

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

Thu

N winds 10 to 15 kt with gusts up to 20 kt. Seas 1 to 2 ft.

Thu Night

NE winds 5 to 10 kt. Seas 1 ft or less.

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Interactive Mapbox map highlighting marine forecast zone ANZ335.