For More Weather Information:

18NM WSW Islip NY

[NOTICE]

Last Update: 11:55 am EDT Jun 19, 2025
Forecast Valid: 12pm EDT Jun 19, 2025-6pm EDT Jun 25, 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 PM EDT THIS EVENING...

Juneteenth

SSW wind 10 to 13 kt. A chance of showers and thunderstorms after 3pm. Seas 1 ft or less.

Tonight

SW wind around 14 kt. A chance of showers and thunderstorms before 2am. Seas 1 ft or less.

Friday

W wind around 15 kt, with gusts as high as 22 kt. Sunny. Seas 1 ft or less.

Friday Night

WSW wind 6 to 11 kt. Mostly clear. Seas 1 ft or less.

Saturday

W wind 6 to 9 kt becoming SW 9 to 12 kt in the afternoon. A slight chance of showers, with thunderstorms also possible after noon. Seas 1 ft or less.

Saturday Night

SW wind around 9 kt. Mostly cloudy. Seas 1 ft or less.

Sunday

SW wind 9 to 12 kt. Partly sunny. Seas 1 ft or less.

Sunday Night

SW wind 7 to 9 kt becoming WNW after midnight. Partly cloudy. Seas 1 ft or less.

Monday

N wind 5 to 9 kt becoming S 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.