For More Weather Information:

18NM WSW Islip NY

[NOTICE]

Last Update: 7:53 pm EDT Oct 18, 2026
Forecast Valid: 9pm EDT Oct 18, 2026-6pm EDT Oct 25, 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 6 AM EDT MONDAY THROUGH

Tonight

NE wind 5 to 7 kt. Clear. Seas 1 ft or less.

Monday

NE wind 10 to 13 kt. Sunny. Seas 1 ft or less.

Monday Night

NNE wind 10 to 15 kt. Increasing clouds. Seas 1 ft or less.

Tuesday

NNE wind 14 to 17 kt, with gusts as high as 23 kt. Cloudy, then becoming mostly sunny during the afternoon. Seas 1 ft or less.

Tuesday Night

NNE wind 15 to 20 kt. Partly cloudy. Seas 1 ft or less.

Wednesday

NNE wind 16 to 19 kt decreasing to 13 to 16 kt in the afternoon. Mostly sunny. Seas 1 ft or less.

Wednesday Night

N wind around 12 kt. Partly cloudy. Seas 1 ft or less.

Thursday

NNW wind around 11 kt. Mostly sunny. Seas 1 ft or less.

Thursday Night

N wind 8 to 13 kt. Mostly clear. 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.