For More Weather Information:

18NM WSW Islip NY

[NOTICE]

Last Update: 2:21 am EDT Oct 17, 2026
Forecast Valid: 8am EDT Oct 17, 2026-6pm EDT Oct 23, 2026

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

Today

N wind around 16 kt, with gusts as high as 23 kt. A slight chance of showers before 11am. Seas 1 ft or less.

Tonight

N wind 13 to 15 kt. Mostly clear. Seas 1 ft or less.

Sunday

NE wind 7 to 10 kt. Sunny. Seas 1 ft or less.

Sunday Night

NE wind 6 to 8 kt. Mostly clear. Seas 1 ft or less.

Monday

NE wind 10 to 12 kt. Mostly sunny. Seas 1 ft or less.

Monday Night

NNE wind 11 to 16 kt. Mostly cloudy. Seas 1 ft or less.

Tuesday

NNE wind 13 to 16 kt. Partly sunny. Seas 1 ft or less.

Tuesday Night

NNE wind 10 to 15 kt, with gusts as high as 22 kt. Partly cloudy. Seas 1 ft or less.

Wednesday

NE wind around 16 kt, with gusts as high as 23 kt. Mostly sunny. 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.