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15NM SW Islip NY

[NOTICE]

Last Update: 4:17 am EST Jan 17, 2026
Forecast Valid: 12pm EST Jan 17, 2026-6pm EST Jan 23, 2026

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

This Afternoon

SW wind 15 to 17 kt. Rain likely, mainly between 1pm and 4pm. Seas around 5 ft.

Tonight

W wind 7 to 12 kt. A chance of rain before 7pm, then a chance of rain after 4am. Seas 4 to 5 ft.

Sunday

W wind 7 to 10 kt becoming NW in the afternoon. Snow likely, possibly mixed with rain, becoming all snow after 4pm. Seas around 4 ft.

Sunday Night

WNW wind 12 to 16 kt. A chance of snow before 1am. Seas around 4 ft.

M.L.King Day

WSW wind 16 to 19 kt increasing to 21 to 24 kt in the afternoon. Mostly sunny. Seas 4 to 5 ft.

Monday Night

W wind 25 to 27 kt. Partly cloudy. Seas around 6 ft.

Tuesday

W wind 21 to 24 kt. Sunny. Seas 5 to 6 ft.

Tuesday Night

W wind 21 to 24 kt decreasing to 17 to 20 kt after midnight. Mostly clear. Seas 4 to 5 ft.

Wednesday

W wind 15 to 18 kt becoming SSW 21 to 24 kt in the afternoon. Mostly sunny. Seas around 4 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.