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18NM WSW Islip NY

[NOTICE]

Last Update: 8:50 pm EDT Jun 11, 2026
Forecast Valid: 1am EDT Jun 12, 2026-6pm EDT Jun 18, 2026

...SEVERE THUNDERSTORM WATCH 317 IN EFFECT UNTIL MIDNIGHT EDT

Friday

W wind 6 to 10 kt. A chance of showers and thunderstorms after 5pm. Seas 1 ft or less.

Friday Night

WSW wind 8 to 10 kt becoming NW after midnight. A chance of showers and thunderstorms before 11pm. Seas 1 ft or less.

Saturday

NW wind around 8 kt becoming W in the afternoon. Sunny. Seas 1 ft or less.

Saturday Night

WSW wind 5 to 7 kt becoming variable and less than 5 kt in the evening. Mostly clear. Seas 1 ft or less.

Sunday

Variable winds less than 5 kt becoming S 13 to 18 kt in the morning. A chance of showers after 2pm. Seas 1 ft or less.

Sunday Night

S wind 10 to 15 kt becoming WSW after midnight. Winds could gust as high as 22 kt. Showers, mainly between 8pm and 2am. Seas 1 ft or less.

Monday

NW wind around 8 kt becoming WSW in the afternoon. A chance of showers before 8am. Seas 1 ft or less.

Monday Night

WSW wind 5 to 7 kt becoming variable and less than 5 kt in the evening. Partly cloudy. Seas 1 ft or less.

Tuesday

Variable winds less than 5 kt becoming S 5 to 9 kt in the afternoon. Mostly 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.