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15NM SW Islip NY

[NOTICE]

Last Update: 6:37 am EDT Apr 9, 2026
Forecast Valid: 7am EDT Apr 9, 2026-6pm EDT Apr 15, 2026

Today

SSE wind 7 to 9 kt. Partly sunny. Seas around 2 ft.

Tonight

S wind 6 to 10 kt. Patchy fog after 2am. Seas 2 to 3 ft.

Friday

SSW wind 5 to 8 kt increasing to 10 to 13 kt in the afternoon. Patchy fog before 8am. Seas 3 to 4 ft.

Friday Night

S wind 15 to 18 kt becoming WSW 11 to 14 kt after midnight. Winds could gust as high as 24 kt. Mostly cloudy. Seas around 5 ft.

Saturday

NNW wind 8 to 13 kt. Partly sunny, then gradually becoming sunny. Seas 4 to 5 ft.

Saturday Night

NNW wind around 7 kt becoming NNE after midnight. Clear. Seas around 4 ft.

Sunday

ENE wind 6 to 9 kt becoming SSE in the afternoon. Mostly sunny. Seas around 3 ft.

Sunday Night

S wind 13 to 15 kt. Mostly cloudy. Seas 3 to 4 ft.

Monday

SSW wind 17 to 20 kt. Mostly cloudy. Seas 4 ft building to 6 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.