For More Weather Information:

18NM WSW Islip NY

[NOTICE]

Last Update: 3:49 am EDT Mar 24, 2026
Forecast Valid: 10am EDT Mar 24, 2026-6pm EDT Mar 30, 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL NOON EDT TODAY...

Today

N wind 10 to 13 kt becoming N 5 to 8 kt in the afternoon. Sunny. Seas 1 ft or less.

Tonight

SSW wind 9 to 11 kt becoming WSW after midnight. Increasing clouds. Seas 1 ft or less.

Wednesday

WSW wind 6 to 10 kt becoming S in the afternoon. Mostly cloudy. Seas 1 ft or less.

Wednesday Night

S wind 9 to 12 kt. Cloudy. Seas 1 ft or less.

Thursday

SSW wind 9 to 12 kt increasing to 12 to 15 kt in the afternoon. Partly sunny. Seas 1 ft or less.

Thursday Night

SSW wind 14 to 16 kt. Rain likely, mainly after 2am. Seas 1 ft or less.

Friday

W wind around 13 kt becoming NNW in the afternoon. Rain likely, mainly before 8am. Seas 1 ft or less.

Friday Night

N wind around 10 kt. Partly cloudy. Seas 1 ft or less.

Saturday

N wind around 8 kt becoming W 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.