For More Weather Information:

13NM E Islip NY

[NOTICE]

Last Update: 8:12 pm EDT Sep 20, 2025
Forecast Valid: 10pm EDT Sep 20, 2025-6pm EDT Sep 27, 2025

Tonight

E wind around 9 kt. Partly cloudy. Seas around 1 ft.

Sunday

E wind 10 to 12 kt. Partly sunny. Seas around 1 ft.

Sunday Night

E wind 5 to 7 kt becoming variable and less than 5 kt after midnight. Partly cloudy. Seas around 1 ft.

Monday

ENE wind around 6 kt becoming SSE in the afternoon. Sunny. Seas around 1 ft.

Monday Night

S wind around 6 kt becoming SW after midnight. Partly cloudy. Seas around 1 ft.

Tuesday

SSW wind 6 to 11 kt. Mostly sunny. Seas around 1 ft.

Tuesday Night

SSW wind 7 to 9 kt becoming WSW after midnight. A chance of showers after 8pm. Seas around 1 ft.

Wednesday

Variable winds less than 5 kt becoming SE 5 to 9 kt in the afternoon. A chance of showers. Seas around 1 ft.

Wednesday Night

ENE wind around 8 kt. A chance of showers. Seas around 1 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.