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18NM WSW Islip NY

[NOTICE]

Last Update: 2:31 am EDT Jul 28, 2026
Forecast Valid: 1pm EDT Jul 28, 2026-6pm EDT Aug 3, 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM NOON EDT TODAY THROUGH

This Afternoon

S wind around 16 kt. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. Seas 1 ft or less.

Tonight

SSE wind 15 to 18 kt. Showers and possibly a thunderstorm. Seas 1 ft or less.

Wednesday

SW wind around 9 kt. A chance of showers, with thunderstorms also possible after 5pm. Seas 1 ft or less.

Wednesday Night

WNW wind around 11 kt. A chance of showers and thunderstorms. Seas 1 ft or less.

Thursday

WNW wind 10 to 12 kt becoming NNW in the afternoon. A chance of showers, with thunderstorms also possible after 2pm. Seas 1 ft or less.

Thursday Night

N wind 8 to 10 kt. Mostly cloudy. Seas 1 ft or less.

Friday

N wind 6 to 9 kt becoming NW in the afternoon. Mostly sunny. Seas 1 ft or less.

Friday Night

Variable winds 5 kt or less. Partly cloudy. Seas 1 ft or less.

Saturday

Variable winds less than 5 kt becoming S 5 to 8 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.