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15NM SW Islip NY

[NOTICE]

Last Update: 9:59 am EDT Mar 20, 2026
Forecast Valid: 10am EDT Mar 20, 2026-6pm EDT Mar 26, 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM EDT THIS AFTERNOON

Today

S wind 10 to 15 kt increasing to 15 to 20 kt in the afternoon. A chance of rain after 5pm. Seas 3 to 4 ft.

Tonight

SSW wind 22 to 27 kt becoming WSW 16 to 21 kt after midnight. Rain, mainly before 2am. Seas 7 ft subsiding to 5 ft.

Saturday

NNW wind 9 to 13 kt. Mostly sunny. Seas around 4 ft.

Saturday Night

NNE wind around 7 kt becoming SE after midnight. Mostly cloudy. Seas 2 to 3 ft.

Sunday

S wind 10 to 15 kt. A slight chance of rain after 2pm. Seas 2 to 3 ft.

Sunday Night

SSW wind 15 to 17 kt becoming ESE after midnight. Rain likely, mainly after 2am. Seas around 4 ft.

Monday

N wind 16 to 19 kt. Rain likely, mainly before 8am. Seas around 4 ft.

Monday Night

NNW wind 16 to 19 kt. Partly cloudy. Seas 3 to 4 ft.

Tuesday

NNW wind 13 to 16 kt becoming NW 10 to 13 kt in the afternoon. Sunny. Seas around 3 ft.

*Notices:

This forecast is for a single location. For safety concerns, mariners should be aware of the weather over a larger area. Forecast information for a larger area can be found within the zone forecast and the NDFD graphics.
The forecast conditions at a particular point may not exceed the criteria of a Small Craft Advisory, Gale, Storm etc. These watches/warnings/advisories are issued for the entire zone in which the point resides and mariners should act accordingly.