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15NM SW Islip NY

[NOTICE]

Last Update: 10:02 pm EDT Jul 11, 2026
Forecast Valid: 1am EDT Jul 12, 2026-6pm EDT Jul 18, 2026

Sunday

NE wind 7 to 9 kt becoming SE in the afternoon. Sunny. Seas around 2 ft.

Sunday Night

S wind 5 to 8 kt becoming variable and less than 5 kt after midnight. Mostly clear. Seas around 2 ft.

Monday

Variable winds less than 5 kt becoming S 7 to 12 kt in the morning. Sunny. Seas around 2 ft.

Monday Night

SSW wind 12 to 15 kt becoming WSW after midnight. Mostly clear. Seas around 3 ft.

Tuesday

WSW wind 11 to 16 kt becoming SSW in the afternoon. Sunny. Seas 2 to 3 ft.

Tuesday Night

WSW wind 18 to 20 kt. Mostly clear. Seas around 4 ft.

Wednesday

WSW wind around 16 kt. Sunny. Seas 3 to 4 ft.

Wednesday Night

NW wind 12 to 15 kt decreasing to 8 to 11 kt after midnight. Partly cloudy. Seas 2 to 3 ft.

Thursday

NW wind 6 to 11 kt becoming SSW 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.