For More Weather Information:

12NM NW Islip NY

[NOTICE]

Last Update: 2:02 pm EDT Sep 9, 2026
Forecast Valid: 3pm EDT Sep 9, 2026-6pm EDT Sep 16, 2026

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY MORNING...

This Afternoon

S wind around 10 kt. Partly sunny. Seas 1 ft or less.

Tonight

SSW wind 13 to 15 kt, with gusts as high as 25 kt. A slight chance of showers after 5am. Seas 1 ft or less.

Thursday

W wind 8 to 11 kt, with gusts as high as 20 kt. A slight chance of showers before 8am. Seas 1 ft or less.

Thursday Night

NNW wind 5 to 7 kt. Mostly cloudy. Seas 1 ft or less.

Friday

N wind 5 to 7 kt becoming variable and less than 5 kt in the afternoon. Mostly cloudy, then gradually becoming sunny. Seas 1 ft or less.

Friday Night

Variable winds 5 kt or less. Mostly clear. Seas 1 ft or less.

Saturday

Variable winds less than 5 kt becoming SSE around 6 kt in the afternoon. Mostly sunny. Seas 1 ft or less.

Saturday Night

S wind 6 to 8 kt. A chance of showers. Seas 1 ft or less.

Sunday

SSE wind around 6 kt becoming SSW in the afternoon. A chance of showers. Seas 1 ft or less.

*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.