For More Weather Information:

18NM WSW Islip NY

[NOTICE]

Last Update: 3:08 am EDT Jun 17, 2026
Forecast Valid: 10am EDT Jun 17, 2026-6pm EDT Jun 23, 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM THURSDAY MORNING THROUGH

Today

SSE wind 5 to 8 kt increasing to 9 to 12 kt in the afternoon. Sunny. Seas 1 ft or less.

Tonight

SSE wind 10 to 12 kt. Increasing clouds. Seas 1 ft or less.

Thursday

S wind 18 to 21 kt, with gusts as high as 27 kt. A chance of showers, with thunderstorms also possible after 2pm. Seas 1 ft or less.

Thursday Night

SW wind 11 to 16 kt becoming W after midnight. Partly cloudy. Seas 1 ft or less.

Juneteenth

WSW wind 11 to 14 kt. Mostly sunny. Seas 1 ft or less.

Friday Night

WNW wind 11 to 13 kt. Mostly clear. Seas 1 ft or less.

Saturday

W wind around 14 kt. Sunny. Seas 1 ft or less.

Saturday Night

WNW wind 8 to 11 kt. Mostly clear. Seas 1 ft or less.

Sunday

WNW wind 9 to 11 kt becoming WSW in the afternoon. 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.