For More Weather Information:

12NM NW Islip NY

[NOTICE]

Last Update: 2:19 pm EDT Sep 10, 2026
Forecast Valid: 4pm EDT Sep 10, 2026-6pm EDT Sep 17, 2026

Tonight

NW wind around 6 kt becoming N after midnight. Partly cloudy. Seas around 1 ft.

Friday

Variable winds 5 kt or less. Mostly sunny. Seas 1 ft or less.

Friday Night

Variable winds 5 kt or less. Mostly clear. Seas 1 ft or less.

Saturday

Variable winds less than 5 kt becoming SSE 5 to 7 kt in the afternoon. Mostly sunny. Seas 1 ft or less.

Saturday Night

S wind around 9 kt. Showers and possibly a thunderstorm after 2am. Seas around 1 ft.

Sunday

SSE wind around 6 kt becoming WSW in the afternoon. Showers, mainly before 2pm. Seas around 1 ft.

Sunday Night

SSW wind around 6 kt becoming variable and less than 5 kt. Partly cloudy. Seas around 1 ft.

Monday

NNW wind around 9 kt. Mostly sunny. Seas around 1 ft.

Monday Night

N wind around 9 kt becoming NE after midnight. Partly cloudy. Seas around 1 ft.

*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.