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18NM WSW Islip NY

[NOTICE]

Last Update: 2:47 pm EDT Oct 12, 2026
Forecast Valid: 8pm EDT Oct 12, 2026-6pm EDT Oct 19, 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM EDT TUESDAY...

Tonight

WNW wind 5 to 8 kt becoming variable and less than 5 kt after midnight. Patchy fog after 11pm. Seas 1 ft or less.

Tuesday

Variable winds less than 5 kt becoming SSE 5 to 10 kt in the morning. Patchy fog before 11am. Seas 1 ft or less.

Tuesday Night

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

Wednesday

W wind around 10 kt. Increasing clouds. Seas 1 ft or less.

Wednesday Night

WNW wind around 9 kt becoming N after midnight. Mostly cloudy. Seas 1 ft or less.

Thursday

N wind 7 to 11 kt. Sunny. Seas 1 ft or less.

Thursday Night

Variable winds less than 5 kt becoming SE 5 to 8 kt in the evening. A chance of showers after 2am. Seas 1 ft or less.

Friday

S wind 12 to 14 kt becoming SW in the afternoon. Winds could gust as high as 22 kt. Showers. Seas 1 ft or less.

Friday Night

WNW wind around 21 kt, with gusts as high as 34 kt. Showers likely. 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.