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15NM SW Islip NY

[NOTICE]

Last Update: 3:23 pm EDT Apr 24, 2026
Forecast Valid: 7pm EDT Apr 24, 2026-6pm EDT May 1, 2026

Tonight

SSE wind around 11 kt becoming ESE after midnight. Increasing clouds. Seas around 2 ft.

Saturday

ESE wind around 17 kt. Rain, mainly after 11am. Seas 2 to 3 ft.

Saturday Night

E wind 15 to 17 kt. Rain. Seas 3 to 4 ft.

Sunday

ENE wind around 19 kt. A chance of rain. Seas around 4 ft.

Sunday Night

ENE wind 14 to 16 kt. A chance of rain, mainly before 2am. Seas 4 to 5 ft.

Monday

ENE wind 14 to 16 kt. Mostly sunny. Seas around 4 ft.

Monday Night

NE wind 12 to 14 kt. Mostly clear. Seas around 4 ft.

Tuesday

NE wind around 12 kt becoming E in the afternoon. Mostly sunny. Seas around 4 ft.

Tuesday Night

E wind 8 to 11 kt. A chance of showers. Seas 5 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.