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15NM SW Islip NY

[NOTICE]

Last Update: 2:57 pm EDT Apr 16, 2026
Forecast Valid: 5pm EDT Apr 16, 2026-6pm EDT Apr 23, 2026

Tonight

SSW wind 14 to 17 kt becoming WSW 9 to 12 kt after midnight. A slight chance of showers after 5am. Seas 3 to 4 ft.

Friday

W wind around 8 kt becoming WSW in the afternoon. A slight chance of showers before 11am, then a chance of showers after 2pm. Seas around 3 ft.

Friday Night

N wind 7 to 9 kt becoming E in the evening. A chance of showers before 8pm. Seas 2 to 3 ft.

Saturday

ENE wind around 10 kt becoming ESE in the afternoon. Mostly cloudy. Seas around 2 ft.

Saturday Night

SE wind 7 to 9 kt. A chance of showers after 2am. Seas around 2 ft.

Sunday

S wind 11 to 16 kt becoming WNW in the afternoon. Showers, mainly after 8am. Seas 2 to 3 ft.

Sunday Night

WNW wind 16 to 19 kt. Showers, mainly before 8pm. Seas around 3 ft.

Monday

WNW wind 16 to 19 kt. Mostly sunny. Seas around 3 ft.

Monday Night

NNW wind 15 to 19 kt. Partly cloudy. Seas 2 to 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.