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18NM WSW Islip NY

[NOTICE]

Last Update: 10:34 pm EDT Apr 24, 2026
Forecast Valid: 12am EDT Apr 25, 2026-6pm EDT May 1, 2026

Overnight

ESE wind around 9 kt. A chance of sprinkles before 5am, then a slight chance of showers after 5am. Seas 1 ft or less.

Saturday

ESE wind around 14 kt. Rain, mainly after 11am. Seas 1 ft or less.

Saturday Night

E wind 12 to 14 kt. Rain. Seas 1 ft or less.

Sunday

ENE wind 13 to 15 kt. A chance of rain. Seas 1 ft or less.

Sunday Night

ENE wind around 12 kt. A slight chance of rain. Seas 1 ft or less.

Monday

ENE wind around 12 kt. Sunny. Seas 1 ft or less.

Monday Night

E wind 6 to 8 kt becoming NE after midnight. Mostly clear. Seas 1 ft or less.

Tuesday

NE wind 7 to 10 kt becoming E in the afternoon. Mostly sunny. Seas 1 ft or less.

Tuesday Night

E wind 5 to 7 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.