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18NM WSW Islip NY

[NOTICE]

Last Update: 3:44 am EDT May 26, 2026
Forecast Valid: 7am EDT May 26, 2026-6pm EDT Jun 1, 2026

Today

Variable winds less than 5 kt becoming S around 6 kt in the afternoon. Patchy fog before 8am. Seas 1 ft or less.

Tonight

SW wind 5 to 8 kt. Increasing clouds. Seas 1 ft or less.

Wednesday

SSW wind 6 to 10 kt. A slight chance of showers before 11am. Seas 1 ft or less.

Wednesday Night

SW wind 7 to 9 kt becoming NNW after midnight. A slight chance of showers and thunderstorms before 11pm. Seas 1 ft or less.

Thursday

NNW wind 8 to 12 kt. Mostly sunny. Seas 1 ft or less.

Thursday Night

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

Friday

NW wind 6 to 11 kt becoming SSW in the afternoon. Mostly sunny. Seas 1 ft or less.

Friday Night

SW wind around 9 kt becoming NW after midnight. Partly cloudy. Seas 1 ft or less.

Saturday

N wind 8 to 11 kt. Mostly sunny. Seas 1 ft or less.

Winds and seas may be higher in and near tstms.

*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.