For More Weather Information:

18NM WSW Islip NY

[NOTICE]

Last Update: 3:35 am EDT May 1, 2026
Forecast Valid: 9am EDT May 1, 2026-6pm EDT May 7, 2026

Today

NW wind 7 to 9 kt becoming SSW in the afternoon. Sunny. Seas 1 ft or less.

Tonight

SSW wind 8 to 12 kt. A chance of showers, mainly after 5am. Seas 1 ft or less.

Saturday

SW wind around 7 kt becoming S in the afternoon. A chance of rain, mainly after 2pm. Seas 1 ft or less.

Saturday Night

E wind 6 to 10 kt becoming N in the evening. A chance of rain. Seas 1 ft or less.

Sunday

WNW wind around 14 kt. Mostly sunny. Seas 1 ft or less.

Sunday Night

WNW wind 10 to 13 kt becoming W 7 to 10 kt after midnight. Mostly clear. Seas 1 ft or less.

Monday

SW wind 10 to 13 kt becoming S 13 to 16 kt in the afternoon. Mostly sunny. Seas 1 ft or less.

Monday Night

SSW wind 15 to 18 kt, with gusts as high as 27 kt. Partly cloudy. Seas 1 ft or less.

Tuesday

S wind 13 to 16 kt increasing to 19 to 22 kt in the afternoon. Winds could gust as high as 31 kt. 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.