For More Weather Information:

10NM E Islip NY

[NOTICE]

Last Update: 9:50 pm EDT Jun 27, 2026
Forecast Valid: 10pm EDT Jun 27, 2026-6pm EDT Jul 4, 2026

Tonight

Variable winds 5 kt or less. A chance of showers, mainly before 2am. Seas 1 ft or less.

Sunday

Variable winds less than 5 kt becoming E 5 to 8 kt in the morning. A slight chance of showers before 8am. Seas 1 ft or less.

Sunday Night

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

Monday

Variable winds less than 5 kt becoming SSE 5 to 8 kt in the afternoon. Cloudy, then gradually becoming mostly sunny. Seas 1 ft or less.

Monday Night

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

Tuesday

SSW wind 6 to 9 kt increasing to 11 to 14 kt in the afternoon. Winds could gust as high as 21 kt. Mostly sunny. Seas around 1 ft.

Tuesday Night

SW wind 14 to 16 kt, with gusts as high as 23 kt. Partly cloudy. Seas 1 to 2 ft.

Wednesday

SW wind 12 to 14 kt, with gusts as high as 21 kt. Mostly sunny. Seas around 1 ft.

Wednesday Night

SSW wind 11 to 14 kt becoming WSW 7 to 10 kt after midnight. Winds could gust as high as 20 kt. Mostly clear. 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.