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15NM SW Islip NY

[NOTICE]

Last Update: 2:21 pm EDT May 1, 2026
Forecast Valid: 4pm EDT May 1, 2026-6pm EDT May 8, 2026

Tonight

SSW wind 13 to 16 kt. A chance of rain, mainly after 5am. Seas around 4 ft.

Saturday

SSW wind 7 to 9 kt becoming WSW in the morning. A chance of rain, mainly before 8am. Seas 2 to 3 ft.

Saturday Night

S wind 6 to 9 kt becoming N 12 to 15 kt in the evening. A chance of rain. Seas around 2 ft.

Sunday

NW wind 15 to 17 kt becoming W in the afternoon. Sunny. Seas 3 to 4 ft.

Sunday Night

WNW wind 9 to 12 kt becoming SW after midnight. Mostly clear. Seas around 3 ft.

Monday

S wind 15 to 18 kt increasing to 19 to 22 kt in the afternoon. Sunny. Seas 4 to 5 ft.

Monday Night

SSW wind around 21 kt. Partly cloudy. Seas 5 to 6 ft.

Tuesday

SSW wind 18 to 21 kt increasing to 21 to 24 kt in the afternoon. Winds could gust as high as 30 kt. Mostly sunny. Seas 5 ft building to 7 ft.

Tuesday Night

SSW wind around 27 kt, with gusts as high as 33 kt. Mostly cloudy. Seas 8 to 9 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.