National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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New York, NY Local Forecast Office

5NM SSE Islip NY

Marine Point Forecast

[NOTICE]

    • Tonight

      Tonight:W wind 9 to 13 kt becoming NW after midnight. Partly cloudy. Seas 1 to 2 ft.

      W 13kt
      1-2ft

    • Sunday

      Sunday:NNW wind 5 to 9 kt becoming S in the afternoon. Partly sunny. Seas around 1 ft.

      SW 9kt
      1ft

    • Sunday Night

      Sunday Night:WSW wind 11 to 14 kt becoming NW 16 to 19 kt after midnight. Partly cloudy. Seas 1 to 2 ft.

      ⇑NW 19kt
      1-2ft

    • Monday

      Monday:N wind 18 to 22 kt. Mostly sunny. Seas around 2 ft.

      N 22kt
      2ft

    • Monday Night

      Monday Night:N wind 12 to 17 kt decreasing to 7 to 12 kt after midnight. Partly cloudy. Seas 1 to 2 ft.

      N 17kt⇓
      1-2ft

    • Tuesday

      Tuesday:Variable winds less than 5 kt becoming SSW 12 to 17 kt in the morning. Winds could gust as high as 23 kt. Increasing clouds. Seas 1 ft or less building to 2 ft.

      ⇑SSW 17kt
      Waves Building2ft

    • Tuesday Night

      Tuesday Night:WSW wind 16 to 21 kt, with gusts as high as 27 kt. Mostly cloudy. Seas around 2 ft.

      WSW 21kt
      2ft

    • Wednesday

      Wednesday:SSW wind 16 to 19 kt increasing to 19 to 22 kt in the afternoon. Winds could gust as high as 28 kt. A chance of rain. Seas around 2 ft.

      ⇑SSW 22kt
      2ft

    • Wednesday Night

      Wednesday Night:W wind around 21 kt, with gusts as high as 27 kt. A chance of rain. Seas around 2 ft.

      W 21kt
      2ft


Associated Zone Forecast which includes this point

Last Update: 4:40 pm EST Dec 6, 2025
Forecast Valid: 6pm EST Dec 6, 2025-6pm EST Dec 13, 2025

View Nearby Observations

Detailed Forecast


Tonight
W wind 9 to 13 kt becoming NW after midnight. Partly cloudy. Seas 1 to 2 ft.
Sunday
NNW wind 5 to 9 kt becoming S in the afternoon. Partly sunny. Seas around 1 ft.
Sunday Night
WSW wind 11 to 14 kt becoming NW 16 to 19 kt after midnight. Partly cloudy. Seas 1 to 2 ft.
Monday
N wind 18 to 22 kt. Mostly sunny. Seas around 2 ft.
Monday Night
N wind 12 to 17 kt decreasing to 7 to 12 kt after midnight. Partly cloudy. Seas 1 to 2 ft.
Tuesday
Variable winds less than 5 kt becoming SSW 12 to 17 kt in the morning. Winds could gust as high as 23 kt. Increasing clouds. Seas 1 ft or less building to 2 ft.
Tuesday Night
WSW wind 16 to 21 kt, with gusts as high as 27 kt. Mostly cloudy. Seas around 2 ft.
Wednesday
SSW wind 16 to 19 kt increasing to 19 to 22 kt in the afternoon. Winds could gust as high as 28 kt. A chance of rain. Seas around 2 ft.
Wednesday Night
W wind around 21 kt, with gusts as high as 27 kt. A chance of rain. Seas around 2 ft.

*Notices:

  1. 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.
  2. 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.
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ABOUT THIS FORECAST

Point Forecast: 40.66°N 73.17°W
Last Update: 4:40 pm EST Dec 6, 2025
Forecast Valid: 6pm EST Dec 6, 2025-6pm EST Dec 13, 2025
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