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18NM WSW Islip NY

[NOTICE]

Last Update: 9:06 am EDT Oct 31, 2026
Forecast Valid: 1pm EDT Oct 31, 2026-6pm EST Nov 6, 2026

This Afternoon

NNW wind around 10 kt. Sunny. Seas 1 ft or less.

Tonight

NNW wind 5 to 7 kt. Partly cloudy. Seas 1 ft or less.

Sunday

N wind 5 to 7 kt becoming WSW in the afternoon. Mostly sunny. Seas 1 ft or less.

Sunday Night

WSW wind around 7 kt. Mostly clear. Seas 1 ft or less.

Monday

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

Monday Night

WSW wind 6 to 8 kt. Partly cloudy. Seas 1 ft or less.

Tuesday

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

Tuesday Night

SSW wind 5 to 7 kt. Partly cloudy. Seas 1 ft or less.

Wednesday

SSE wind 5 to 9 kt. Partly 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.