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18NM WSW Islip NY

[NOTICE]

Last Update: 6:23 am EDT Apr 7, 2026
Forecast Valid: 6am EDT Apr 7, 2026-6pm EDT Apr 13, 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM EDT THIS MORNING

Today

S wind 6 to 9 kt becoming WNW 16 to 21 kt. Winds could gust as high as 31 kt. A chance of showers before 8am. Seas 1 ft or less.

Tonight

NW wind 18 to 21 kt becoming N 13 to 16 kt after midnight. Winds could gust as high as 27 kt. Mostly clear. Seas 1 ft or less.

Wednesday

NNE wind around 10 kt becoming SSE in the afternoon. Sunny. Seas 1 ft or less.

Wednesday Night

SSE wind 6 to 9 kt. Mostly clear. Seas 1 ft or less.

Thursday

SSE wind 7 to 10 kt. Mostly sunny. Seas 1 ft or less.

Thursday Night

SSE wind 5 to 8 kt becoming variable and less than 5 kt after midnight. Partly cloudy. Seas 1 ft or less.

Friday

Variable winds less than 5 kt becoming S 5 to 9 kt in the morning. Mostly sunny. Seas 1 ft or less.

Friday Night

S wind 6 to 8 kt becoming SW after midnight. Partly cloudy. Seas 1 ft or less.

Saturday

WSW wind 6 to 9 kt becoming NW in the afternoon. Mostly 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.