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15NM WSW Islip NY

[NOTICE]

Last Update: 3:41 am EDT Sep 20, 2026
Forecast Valid: 6am EDT Sep 20, 2026-6pm EDT Sep 26, 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY MORNING THROUGH

Today

SSE wind 10 to 14 kt, with gusts as high as 20 kt. Rain, mainly after 8am. Seas 2 to 3 ft.

Tonight

S wind 9 to 13 kt becoming N after midnight. Periods of rain and possibly a thunderstorm before 2am, then a chance of rain. Seas 2 to 3 ft.

Monday

NE wind 12 to 16 kt. A chance of rain before 8am. Seas 2 to 3 ft.

Monday Night

ENE wind 13 to 16 kt, with gusts as high as 22 kt. A chance of showers, mainly after 2am. Seas 3 to 4 ft.

Tuesday

ENE wind 17 to 21 kt, with gusts as high as 27 kt. A chance of showers. Seas 4 to 5 ft.

Tuesday Night

ENE wind around 23 kt, with gusts as high as 29 kt. Cloudy. Seas around 6 ft.

Wednesday

ENE wind 22 to 25 kt, with gusts as high as 35 kt. Mostly cloudy. Seas 7 to 8 ft.

Wednesday Night

NE wind 23 to 25 kt, with gusts as high as 33 kt. Mostly cloudy. Seas 7 ft building to 9 ft.

Thursday

NE wind 20 to 24 kt, with gusts as high as 33 kt. A chance of showers. Seas 7 ft building to 9 ft.

*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.