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New York, NY Local Forecast Office

13NM E Islip NY

Marine Point Forecast

[NOTICE]
    • This Afternoon

      This Afternoon:WSW wind 7 to 9 kt. Mostly cloudy. Seas around 1 ft.

      WSW 9kt
      1ft

    • Tonight

      Tonight:W wind 11 to 15 kt becoming NNW after midnight. Winds could gust as high as 23 kt. Partly cloudy. Seas around 1 ft.

      NNW 15kt
      1ft

    • Monday

      Monday:N wind 14 to 19 kt, with gusts as high as 26 kt. Partly sunny. Seas around 1 ft.

      N 19kt
      1ft

    • Monday Night

      Monday Night:N wind 9 to 12 kt decreasing to 6 to 9 kt after midnight. Mostly cloudy, then gradually becoming mostly clear. Seas around 1 ft.

      N 12kt⇓
      1ft

    • Tuesday

      Tuesday:Variable winds less than 5 kt becoming SSW 7 to 12 kt in the morning. Increasing clouds. Seas 1 ft or less.

      ⇑SSW 12kt
      < 1ft

    • Tuesday Night

      Tuesday Night:WSW wind 17 to 20 kt. Mostly cloudy. Seas around 2 ft.

      WSW 20kt
      2ft

    • Wednesday

      Wednesday:SSW wind 12 to 15 kt increasing to 18 to 21 kt in the afternoon. Winds could gust as high as 28 kt. A chance of rain.   Seas 1 to 2 ft.

      ⇑SSW 21kt
      1-2ft

    • Wednesday Night

      Wednesday Night:SW wind 17 to 19 kt, with gusts as high as 25 kt. A chance of rain.   Seas around 2 ft.

      SW 19kt
      2ft

    • Thursday

      Thursday:W wind around 16 kt, with gusts as high as 22 kt. Mostly sunny. Seas around 2 ft.

      W 16kt
      2ft


Associated Zone Forecast which includes this point

Last Update: 12:47 pm EST Dec 7, 2025
Forecast Valid: 2pm EST Dec 7, 2025-6pm EST Dec 13, 2025

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Detailed Forecast

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

This Afternoon
WSW wind 7 to 9 kt. Mostly cloudy. Seas around 1 ft.
Tonight
W wind 11 to 15 kt becoming NNW after midnight. Winds could gust as high as 23 kt. Partly cloudy. Seas around 1 ft.
Monday
N wind 14 to 19 kt, with gusts as high as 26 kt. Partly sunny. Seas around 1 ft.
Monday Night
N wind 9 to 12 kt decreasing to 6 to 9 kt after midnight. Mostly cloudy, then gradually becoming mostly clear. Seas around 1 ft.
Tuesday
Variable winds less than 5 kt becoming SSW 7 to 12 kt in the morning. Increasing clouds. Seas 1 ft or less.
Tuesday Night
WSW wind 17 to 20 kt. Mostly cloudy. Seas around 2 ft.
Wednesday
SSW wind 12 to 15 kt increasing to 18 to 21 kt in the afternoon. Winds could gust as high as 28 kt. A chance of rain. Seas 1 to 2 ft.
Wednesday Night
SW wind 17 to 19 kt, with gusts as high as 25 kt. A chance of rain. Seas around 2 ft.
Thursday
W wind around 16 kt, with gusts as high as 22 kt. Mostly sunny. 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: 40.76°N 72.92°W
Last Update: 12:47 pm EST Dec 7, 2025
Forecast Valid: 2pm EST Dec 7, 2025-6pm EST Dec 13, 2025
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