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New York, NY Local Forecast Office

17NM SE Islip NY

Marine Zone Forecast

...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM EDT THIS MORNING THROUGH WEDNESDAY AFTERNOON...

Today

S winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 4 ft, occasionally to 5 ft, building to 4 to 6 ft, occasionally to 8 ft this afternoon. Wave detail: S 3 ft at 6 seconds, becoming S 4 ft at 6 seconds. Showers likely with chance of tstms late this morning. Showers and tstms likely this afternoon.

Tonight

SW winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to 8 ft, occasionally to 10 ft. Wave detail: S 8 ft at 7 seconds. Showers. Tstms likely, mainly in the evening.

Wed

SW winds 20 to 25 kt, diminishing to 15 to 20 kt in the afternoon. Seas 5 to 8 ft, occasionally to 10 ft. Wave detail: S 8 ft at 8 seconds. Chance of tstms. Chance of showers.

Wed Night

SW winds 15 to 20 kt, becoming N 10 to 15 kt after midnight. Seas 5 to 7 ft, occasionally to 9 ft. Wave detail: S 6 ft at 8 seconds. Chance of showers and tstms in the evening, then slight chance of showers after midnight.

Thu

N winds 10 to 15 kt with gusts up to 20 kt, becoming NE 5 to 10 kt in the afternoon. Seas 4 to 6 ft, occasionally to 8 ft. Wave detail: S 5 ft at 8 seconds.

Thu Night

NE winds 5 to 10 kt. Seas 3 to 4 ft, occasionally to 5 ft. Wave detail: S 4 ft at 8 seconds.

Fri

E winds 5 to 10 kt. Seas around 3 ft.

Fri Night

E winds 5 to 10 kt. Seas 3 to 4 ft, occasionally to 5 ft.

Sat

E winds 5 to 10 kt. Seas 3 to 4 ft, occasionally to 5 ft.

Sat Night

E winds 5 to 10 kt. Seas 3 to 4 ft, occasionally to 5 ft.

winds and seas may be higher in and near tstms.