For More Weather Information:

18NM WSW Islip NY

[NOTICE]

Last Update: 1:49 pm EST Feb 28, 2026
Forecast Valid: 2pm EST Feb 28, 2026-6pm EST Mar 6, 2026

This Afternoon

Variable winds less than 5 kt becoming SSW 5 to 7 kt. Sunny. Seas 1 ft or less.

Tonight

Variable winds less than 5 kt becoming N 5 to 7 kt after midnight. Patchy fog between 11pm and 2am. Seas 1 ft or less.

Sunday

NNE wind 8 to 10 kt. Rain likely before 8am, then snow likely between 8am and 4pm. Seas 1 ft or less.

Sunday Night

N wind around 12 kt. Mostly clear. Seas 1 ft or less.

Monday

N wind 5 to 10 kt becoming variable and less than 5 kt in the afternoon. Mostly sunny. Seas 1 ft or less.

Monday Night

Variable winds less than 5 kt becoming SSE around 6 kt in the evening. Mostly clear. Seas 1 ft or less.

Tuesday

S wind 6 to 10 kt. A chance of rain and snow before 10am, then rain likely. Seas 1 ft or less.

Tuesday Night

S wind around 12 kt becoming SW after midnight. Rain. Seas 1 ft or less.

Wednesday

WSW wind 7 to 10 kt becoming NNE in the afternoon. Cloudy. 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.