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15NM SW Islip NY

[NOTICE]

Last Update: 3:13 am EDT Jun 27, 2026
Forecast Valid: 4am EDT Jun 27, 2026-6pm EDT Jul 3, 2026

Saturday

Variable winds less than 5 kt becoming SSE around 6 kt in the afternoon. A chance of showers, mainly before 2pm. Seas around 2 ft.

Saturday Night

Variable winds 5 kt or less. A slight chance of showers before 8pm. Seas around 2 ft.

Sunday

Variable winds less than 5 kt becoming ESE 5 to 8 kt in the afternoon. Mostly cloudy. Seas around 2 ft.

Sunday Night

SE wind around 6 kt becoming variable and less than 5 kt in the evening. Partly cloudy. Seas around 2 ft.

Monday

Variable winds less than 5 kt becoming S 5 to 9 kt in the afternoon. Mostly sunny. Seas around 2 ft.

Monday Night

S wind 7 to 9 kt. Partly cloudy. Seas around 2 ft.

Tuesday

SW wind 7 to 10 kt becoming S 13 to 18 kt in the afternoon. Mostly sunny. Seas 2 to 3 ft.

Tuesday Night

SW wind 18 to 21 kt decreasing to 15 to 18 kt after midnight. Winds could gust as high as 27 kt. A chance of showers. Seas 4 to 5 ft.

Wednesday

SSW wind 12 to 15 kt increasing to 15 to 18 kt in the afternoon. Mostly sunny. Seas around 3 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.