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18NM WSW Islip NY

[NOTICE]

Last Update: 5:33 am EDT Sep 9, 2026
Forecast Valid: 8am EDT Sep 9, 2026-6pm EDT Sep 15, 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH

Today

Variable winds less than 5 kt becoming S 13 to 18 kt in the morning. Winds could gust as high as 28 kt. Mostly sunny. Seas 1 ft or less.

Tonight

SW wind 22 to 25 kt, with gusts as high as 34 kt. A slight chance of showers after 5am. Seas 1 ft or less.

Thursday

W wind 13 to 16 kt, with gusts as high as 23 kt. A slight chance of showers before 8am, then a slight chance of showers after 5pm. Seas 1 ft or less.

Thursday Night

W wind 7 to 9 kt becoming NW after midnight. A chance of showers, mainly between 8pm and 2am. Seas 1 ft or less.

Friday

NNW wind 5 to 9 kt. Sunny. Seas 1 ft or less.

Friday Night

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

Saturday

ENE wind 5 to 8 kt becoming SSE 8 to 11 kt in the afternoon. Mostly sunny. Seas 1 ft or less.

Saturday Night

SSE wind 7 to 9 kt. A chance of showers. Seas 1 ft or less.

Sunday

SSE wind 6 to 8 kt. 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.