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15NM SW Islip NY

[NOTICE]

Last Update: 3:28 am EDT Apr 8, 2026
Forecast Valid: 5am EDT Apr 8, 2026-6pm EDT Apr 14, 2026

Today

N wind 13 to 16 kt becoming E 9 to 12 kt in the morning. Sunny. Seas 2 to 3 ft.

Tonight

ESE wind 5 to 9 kt. Mostly clear. Seas around 2 ft.

Thursday

ESE wind around 9 kt. Mostly sunny. Seas around 2 ft.

Thursday Night

SSE wind 5 to 9 kt becoming variable and less than 5 kt after midnight. Partly cloudy. Seas around 2 ft.

Friday

Variable winds less than 5 kt becoming S 7 to 12 kt in the morning. Sunny. Seas 3 to 4 ft.

Friday Night

SSW wind 12 to 16 kt becoming WSW after midnight. Mostly cloudy. Seas around 5 ft.

Saturday

NNW wind 6 to 10 kt. Sunny. Seas around 4 ft.

Saturday Night

NW wind around 8 kt becoming NNE after midnight. Clear. Seas around 4 ft.

Sunday

NE wind 6 to 9 kt becoming SSE 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.