For More Weather Information:

18NM WSW Islip NY

[NOTICE]

Last Update: 2:55 pm EST Nov 10, 2026
Forecast Valid: 3pm EST Nov 10, 2026-6pm EST Nov 17, 2026

This Afternoon

WSW wind around 14 kt, with gusts as high as 20 kt. Sunny. Seas 1 ft or less.

Tonight

WSW wind 10 to 12 kt becoming WNW after midnight. Clear. Seas 1 ft or less.

Veterans Day

NW wind 7 to 9 kt becoming SW in the afternoon. Mostly sunny. Seas 1 ft or less.

Wednesday Night

S wind 6 to 10 kt becoming SE after midnight. A chance of rain, mainly after 4am. Seas 1 ft or less.

Thursday

E wind around 13 kt. Rain, mainly after 7am. Seas 1 ft or less.

Thursday Night

ENE wind 12 to 16 kt becoming N after midnight. Winds could gust as high as 23 kt. Rain likely. Seas 1 ft or less.

Friday

NNW wind around 17 kt, with gusts as high as 25 kt. Rain. Seas 1 ft or less.

Friday Night

NW wind around 13 kt, with gusts as high as 20 kt. A chance of rain. Seas 1 ft or less.

Saturday

NW wind 13 to 16 kt, with gusts as high as 22 kt. Partly 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.