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15NM SW Islip NY

[NOTICE]

Last Update: 2:19 am EDT Apr 29, 2026
Forecast Valid: 4am EDT Apr 29, 2026-6pm EDT May 5, 2026

Wednesday

Variable winds less than 5 kt becoming SSE 5 to 9 kt in the morning. Partly sunny. Seas around 3 ft.

Wednesday Night

SE wind 9 to 11 kt. Showers, mainly after 11pm. Seas 3 to 4 ft.

Thursday

ENE wind 9 to 12 kt becoming NW in the morning. A chance of showers before 2pm. Seas around 4 ft.

Thursday Night

NW wind around 14 kt. Mostly clear. Seas around 4 ft.

Friday

WNW wind 13 to 15 kt becoming WSW in the afternoon. Sunny. Seas around 4 ft.

Friday Night

WSW wind 8 to 13 kt becoming WNW after midnight. Partly cloudy. Seas 3 to 4 ft.

Saturday

NW wind around 10 kt becoming SSW in the afternoon. Partly sunny. Seas 2 to 3 ft.

Saturday Night

SW wind 7 to 10 kt becoming NNW after midnight. Mostly cloudy. Seas around 2 ft.

Sunday

WNW wind 12 to 14 kt becoming W in the afternoon. Mostly sunny. Seas around 3 ft.

Winds and seas may be higher in and near tstms.

*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.