For More Weather Information:

18NM WSW Islip NY

[NOTICE]

Last Update: 2:22 am EDT Apr 27, 2026
Forecast Valid: 5am EDT Apr 27, 2026-6pm EDT May 3, 2026

...SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY EVENING...

Today

N wind around 7 kt becoming ESE in the afternoon. Sunny. Seas 1 ft or less.

Tonight

ESE wind around 6 kt becoming N after midnight. Mostly clear. Seas 1 ft or less.

Tuesday

NE wind 5 to 8 kt becoming SSE in the afternoon. Increasing clouds. Seas 1 ft or less.

Tuesday Night

SSE wind around 6 kt becoming variable and less than 5 kt after midnight. Mostly cloudy. Seas 1 ft or less.

Wednesday

E wind 5 to 9 kt becoming SE in the afternoon. A slight chance of showers after 2pm. Seas 1 ft or less.

Wednesday Night

SE wind around 11 kt. Showers, mainly after 8pm. Seas 1 ft or less.

Thursday

E wind 10 to 13 kt becoming WNW in the afternoon. Showers, mainly before 2pm. Seas 1 ft or less.

Thursday Night

NW wind around 16 kt. A chance of showers. Seas 1 ft or less.

Friday

WNW wind around 17 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.