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18NM WSW Islip NY

[NOTICE]

Last Update: 1:27 pm EST Nov 9, 2026
Forecast Valid: 3pm EST Nov 9, 2026-6pm EST Nov 16, 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 PM EST THIS EVENING...

This Afternoon

NW wind around 18 kt, with gusts as high as 25 kt. Sunny. Seas 1 ft or less.

Tonight

WNW wind 11 to 14 kt. Mostly clear. Seas 1 ft or less.

Tuesday

W wind 11 to 15 kt becoming WSW in the afternoon. Winds could gust as high as 21 kt. Partly sunny, then gradually becoming sunny. Seas 1 ft or less.

Tuesday Night

W wind 9 to 12 kt becoming WNW after midnight. Mostly clear. Seas 1 ft or less.

Veterans Day

WNW wind 6 to 9 kt becoming W in the afternoon. Mostly sunny. Seas 1 ft or less.

Wednesday Night

Variable winds less than 5 kt becoming E around 6 kt after midnight. Mostly cloudy. Seas 1 ft or less.

Thursday

E wind 9 to 12 kt increasing to 12 to 15 kt in the afternoon. Rain likely, mainly after 1pm. Seas 1 ft or less.

Thursday Night

ENE wind 14 to 18 kt becoming NNE after midnight. Winds could gust as high as 26 kt. Rain. Seas 1 ft or less.

Friday

N wind 16 to 18 kt, with gusts as high as 27 kt. Rain 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.