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18NM WSW Islip NY

[NOTICE]

Last Update: 2:20 pm EDT Oct 26, 2026
Forecast Valid: 5pm EDT Oct 26, 2026-6pm EST Nov 2, 2026

Tonight

W wind 8 to 10 kt becoming N after midnight. Mostly clear. Seas 1 ft or less.

Tuesday

NNE wind 7 to 11 kt. Sunny. Seas 1 ft or less.

Tuesday Night

Variable winds 5 kt or less. Mostly clear. Seas 1 ft or less.

Wednesday

Variable winds less than 5 kt becoming SSE around 6 kt in the afternoon. Sunny. Seas 1 ft or less.

Wednesday Night

S wind 5 to 7 kt becoming SW after midnight. Mostly cloudy. Seas 1 ft or less.

Thursday

Variable winds less than 5 kt becoming SSW 5 to 10 kt in the morning. Sunny. Seas 1 ft or less.

Thursday Night

WSW wind 7 to 9 kt. Mostly clear. Seas 1 ft or less.

Friday

W wind around 8 kt. Sunny. Seas 1 ft or less.

Friday Night

NNW wind around 6 kt. Mostly clear. 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.