For More Weather Information:

9NM E Islip NY

[NOTICE]

Last Update: 2:49 am EDT Aug 17, 2025
Forecast Valid: 3am EDT Aug 17, 2025-6pm EDT Aug 23, 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH

Sunday

SW wind 9 to 14 kt. A slight chance of showers and thunderstorms after 5pm. Seas around 1 ft.

Sunday Night

SSW wind 10 to 14 kt becoming N after midnight. A chance of showers and thunderstorms. Seas around 1 ft.

Monday

NE wind 12 to 16 kt, with gusts as high as 23 kt. A slight chance of showers before 2pm. Seas around 1 ft.

Monday Night

E wind 9 to 11 kt. Mostly cloudy. Seas around 1 ft.

Tuesday

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

Tuesday Night

E wind around 10 kt. A chance of showers after 2am. Seas around 1 ft.

Wednesday

E wind 10 to 12 kt. A chance of showers. Seas 1 ft or less.

Wednesday Night

NE wind 9 to 11 kt. A chance of showers. Seas 1 ft or less.

Thursday

NE wind 16 to 18 kt, with gusts as high as 24 kt. Mostly sunny. 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.