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15NM SW Islip NY

[NOTICE]

Last Update: 3:03 pm EDT Jul 9, 2026
Forecast Valid: 5pm EDT Jul 9, 2026-6pm EDT Jul 16, 2026

Late Afternoon

SSW wind around 15 kt. A chance of showers and thunderstorms. Seas around 4 ft.

Tonight

SSW wind 12 to 15 kt decreasing to 8 to 11 kt after midnight. A chance of showers and thunderstorms, mainly before 11pm. Seas 4 ft subsiding to 2 ft.

Friday

W wind around 9 kt becoming WSW in the afternoon. A chance of showers and thunderstorms after 2pm. Seas around 2 ft.

Friday Night

WSW wind 6 to 9 kt becoming NW after midnight. A chance of showers and thunderstorms. Seas around 2 ft.

Saturday

NNE wind around 8 kt becoming E in the afternoon. A chance of showers, mainly before 2pm. Seas around 2 ft.

Saturday Night

E wind 5 to 8 kt becoming NE after midnight. Partly cloudy. Seas around 2 ft.

Sunday

NE wind 7 to 9 kt becoming ESE in the afternoon. Sunny. Seas around 2 ft.

Sunday Night

SE wind 5 to 8 kt becoming variable and less than 5 kt after midnight. Mostly clear. Seas around 2 ft.

Monday

Variable winds less than 5 kt becoming SSE 6 to 11 kt in the morning. Sunny. Seas around 3 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.