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18NM WSW Islip NY

[NOTICE]

Last Update: 2:20 am EDT Oct 20, 2026
Forecast Valid: 2pm EDT Oct 20, 2026-6pm EDT Oct 26, 2026

...SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON...

This Afternoon

NNE wind around 13 kt, with gusts as high as 23 kt. Sunny. Seas 1 ft or less.

Tonight

NNE wind 11 to 16 kt, with gusts as high as 23 kt. Mostly clear. Seas 1 ft or less.

Wednesday

NNE wind 14 to 16 kt, with gusts as high as 25 kt. Mostly sunny. Seas 1 ft or less.

Wednesday Night

NNE wind 13 to 16 kt, with gusts as high as 23 kt. Mostly cloudy. Seas 1 ft or less.

Thursday

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

Thursday Night

N wind 13 to 17 kt. Mostly clear. Seas 1 ft or less.

Friday

N wind 12 to 15 kt. Sunny. Seas 1 ft or less.

Friday Night

NNE wind around 8 kt. Mostly clear. Seas 1 ft or less.

Saturday

N wind around 7 kt becoming NW in the afternoon. 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.