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15NM SW Islip NY

[NOTICE]

Last Update: 2:20 am EDT Apr 3, 2026
Forecast Valid: 6am EDT Apr 3, 2026-6pm EDT Apr 9, 2026

...DENSE FOG ADVISORY IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON...

Today

E wind 6 to 9 kt becoming SSW 9 to 12 kt in the afternoon. Areas of fog. Seas 3 to 4 ft.

Tonight

SSW wind 19 to 22 kt decreasing to 14 to 17 kt after midnight. Patchy fog between 9pm and 10pm, then Patchy fog after 1am. Seas 4 to 5 ft.

Saturday

SSE wind 6 to 9 kt becoming ESE 9 to 12 kt in the afternoon. A chance of showers after 2pm. Seas around 3 ft.

Saturday Night

E wind 16 to 21 kt becoming SE after midnight. A chance of showers. Seas around 4 ft.

Sunday

SSW wind 21 to 26 kt. Showers. Seas 6 to 7 ft.

Sunday Night

WSW wind 15 to 17 kt becoming NW after midnight. Showers before 8pm. Seas 6 ft subsiding to 4 ft.

Monday

WNW wind 13 to 16 kt becoming W in the afternoon. Sunny. Seas around 4 ft.

Monday Night

WNW wind 8 to 10 kt. Partly cloudy. Seas 2 to 3 ft.

Tuesday

WNW wind around 11 kt. Mostly sunny. Seas 2 to 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.