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15NM SW Islip NY

[NOTICE]

Last Update: 2:32 pm EDT Jul 3, 2025
Forecast Valid: 8pm EDT Jul 3, 2025-6pm EDT Jul 10, 2025

Tonight

W wind 8 to 10 kt becoming NW in the evening. A slight chance of showers and thunderstorms before 11pm. Seas around 3 ft.

Independence Day

NW wind around 9 kt becoming SW in the afternoon. Sunny. Seas 2 to 3 ft.

Friday Night

SW wind 5 to 9 kt becoming N after midnight. Mostly clear. Seas around 2 ft.

Saturday

Variable winds less than 5 kt becoming S 5 to 8 kt in the afternoon. Mostly sunny. Seas around 2 ft.

Saturday Night

S wind around 12 kt. Partly cloudy. Seas 2 to 3 ft.

Sunday

SW wind 9 to 14 kt becoming S in the afternoon. Mostly sunny. Seas 2 to 3 ft.

Sunday Night

SSW wind 14 to 17 kt decreasing to 11 to 14 kt after midnight. Partly cloudy. Seas 3 to 4 ft.

Monday

S wind 9 to 14 kt. Partly sunny. Seas 2 to 3 ft.

Monday Night

SSW wind 9 to 14 kt. A chance of showers. Seas around 4 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.