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15NM SW Islip NY

[NOTICE]

Last Update: 9:10 pm EDT Apr 1, 2026
Forecast Valid: 9pm EDT Apr 1, 2026-6pm EDT Apr 8, 2026

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THURSDAY NIGHT...

Tonight

ENE wind 10 to 15 kt increasing to 17 to 22 kt after midnight. Showers, mainly before 5am. Seas around 4 ft.

Thursday

ENE wind 20 to 22 kt. A chance of showers, mainly before 11am. Seas 4 to 5 ft.

Thursday Night

E wind 17 to 20 kt decreasing to 13 to 16 kt after midnight. A chance of showers, mainly after 2am. Seas 4 to 5 ft.

Friday

E wind 6 to 11 kt becoming SSW in the afternoon. A chance of showers before 8am. Seas around 3 ft.

Friday Night

SW wind 19 to 22 kt decreasing to 14 to 17 kt after midnight. Mostly cloudy. Seas 4 to 5 ft.

Saturday

SW wind 9 to 13 kt becoming SSE in the afternoon. Mostly sunny. Seas 3 to 4 ft.

Saturday Night

S wind 21 to 23 kt. A chance of showers after 2am. Seas 4 to 5 ft.

Sunday

SSW wind 24 to 27 kt. Showers. Seas 6 ft building to 8 ft.

Sunday Night

WSW wind 17 to 20 kt becoming WNW after midnight. Showers. Seas 5 to 6 ft.

Winds and seas may be higher in and near tstms.

*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.