For More Weather Information:

7NM ESE Islip NY

[NOTICE]

Last Update: 2:41 pm EDT Oct 18, 2026
Forecast Valid: 3pm EDT Oct 18, 2026-6pm EDT Oct 25, 2026

This Afternoon

NE wind around 9 kt. Sunny. Seas around 1 ft.

Tonight

NE wind 8 to 12 kt. Mostly clear. Seas around 1 ft.

Monday

NE wind around 17 kt. Increasing clouds. Seas around 2 ft.

Monday Night

NNE wind 16 to 19 kt increasing to 21 to 24 kt after midnight. Mostly cloudy. Seas around 2 ft.

Tuesday

NNE wind 20 to 24 kt. Partly sunny. Seas around 2 ft.

Tuesday Night

NNE wind 21 to 24 kt increasing to 26 to 29 kt after midnight. Partly cloudy. Seas around 2 ft.

Wednesday

NNE wind 26 to 29 kt decreasing to 20 to 23 kt in the afternoon. Mostly sunny. Seas around 2 ft.

Wednesday Night

NNE wind 21 to 23 kt. Mostly cloudy. Seas around 2 ft.

Thursday

N wind 18 to 21 kt decreasing to 13 to 16 kt in the afternoon. Mostly sunny. Seas around 2 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.