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15NM SW Islip NY

[NOTICE]

Last Update: 3:48 am EDT Jul 4, 2026
Forecast Valid: 9am EDT Jul 4, 2026-6pm EDT Jul 10, 2026

Independence Day

WSW wind 7 to 10 kt becoming SSW 10 to 13 kt in the afternoon. A chance of showers and thunderstorms after 2pm. Seas around 2 ft.

Tonight

NNE wind 5 to 9 kt becoming SSW in the evening. Showers and thunderstorms likely before 11pm, then a chance of showers. Seas around 2 ft.

Sunday

ENE wind 6 to 10 kt becoming E in the morning. A chance of showers, with thunderstorms also possible after 5pm. Seas around 2 ft.

Sunday Night

E wind 11 to 13 kt. Showers likely and possibly a thunderstorm, then showers after 2am. Seas around 2 ft.

Monday

E wind 16 to 18 kt. Showers, with thunderstorms also possible after 8am. Some of the storms could produce heavy rainfall. Seas 3 to 4 ft.

Monday Night

E wind 15 to 17 kt. Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Seas 3 to 4 ft.

Tuesday

ENE wind around 17 kt. A chance of showers, with thunderstorms also possible after 2pm. Seas 3 to 4 ft.

Tuesday Night

ENE wind 10 to 14 kt. A chance of showers and thunderstorms. Seas 3 to 4 ft.

Wednesday

NE wind around 9 kt becoming SE in the afternoon. Partly 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.