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15NM SW Islip NY

[NOTICE]

Last Update: 2:26 am EDT Mar 19, 2026
Forecast Valid: 9am EDT Mar 19, 2026-6pm EDT Mar 25, 2026

Today

Variable winds less than 5 kt becoming SSE 5 to 7 kt in the morning. Mostly sunny. Seas around 3 ft.

Tonight

S wind around 8 kt becoming WSW after midnight. Partly cloudy. Seas around 3 ft.

Friday

W wind 5 to 8 kt becoming S 11 to 14 kt in the afternoon. Mostly sunny. Seas around 3 ft.

Friday Night

SSW wind 19 to 22 kt. Rain likely. Seas around 5 ft.

Saturday

WSW wind around 12 kt becoming WNW in the morning. Mostly sunny. Seas around 4 ft.

Saturday Night

W wind 9 to 11 kt. Mostly cloudy. Seas 3 to 4 ft.

Sunday

SSW wind 10 to 14 kt. Partly sunny. Seas around 3 ft.

Sunday Night

SSW wind 16 to 19 kt becoming SSE after midnight. Rain likely. Seas 3 to 4 ft.

Monday

N wind 17 to 21 kt. Rain likely. Seas around 4 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.