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New York, NY Local Forecast Office

13NM E Islip NY

Marine Point Forecast

[NOTICE]
    • Sunday

      Sunday:Variable winds less than 5 kt becoming SW 5 to 9 kt in the afternoon. Partly sunny. Seas around 1 ft.

      ⇑SW 9kt
      1ft

    • Sunday Night

      Sunday Night:W wind 10 to 13 kt becoming NW 14 to 17 kt after midnight. Winds could gust as high as 23 kt. Partly cloudy. Seas around 1 ft.

      ⇑NW 17kt
      1ft

    • Monday

      Monday:N wind 15 to 20 kt, with gusts as high as 26 kt. Mostly sunny. Seas 1 to 2 ft.

      N 20kt
      1-2ft

    • Monday Night

      Monday Night:N wind 11 to 14 kt decreasing to 6 to 9 kt after midnight. Partly cloudy. Seas around 1 ft.

      N 14kt⇓
      1ft

    • Tuesday

      Tuesday:Variable winds less than 5 kt becoming SSW 10 to 15 kt in the morning. Increasing clouds. Seas 1 ft or less.

      ⇑SSW 15kt
      < 1ft

    • Tuesday Night

      Tuesday Night:WSW wind 18 to 21 kt decreasing to 15 to 18 kt after midnight. Mostly cloudy. Seas 1 to 2 ft.

      WSW 21kt⇓
      1-2ft

    • Wednesday

      Wednesday:SSW wind 13 to 16 kt increasing to 19 to 22 kt in the afternoon. A chance of rain after 1pm.   Seas 2 to 3 ft.

      ⇑SSW 22kt
      2-3ft

    • Wednesday Night

      Wednesday Night:SW wind 18 to 21 kt. A chance of rain.   Seas 2 to 3 ft.

      SW 21kt
      2-3ft

    • Thursday

      Thursday:WNW wind 16 to 18 kt. Mostly sunny. Seas around 2 ft.

      WNW 18kt
      2ft


Associated Zone Forecast which includes this point

Last Update: 12:50 am EST Dec 7, 2025
Forecast Valid: 2am EST Dec 7, 2025-6pm EST Dec 13, 2025

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Detailed Forecast

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

Sunday
Variable winds less than 5 kt becoming SW 5 to 9 kt in the afternoon. Partly sunny. Seas around 1 ft.
Sunday Night
W wind 10 to 13 kt becoming NW 14 to 17 kt after midnight. Winds could gust as high as 23 kt. Partly cloudy. Seas around 1 ft.
Monday
N wind 15 to 20 kt, with gusts as high as 26 kt. Mostly sunny. Seas 1 to 2 ft.
Monday Night
N wind 11 to 14 kt decreasing to 6 to 9 kt after midnight. Partly cloudy. Seas around 1 ft.
Tuesday
Variable winds less than 5 kt becoming SSW 10 to 15 kt in the morning. Increasing clouds. Seas 1 ft or less.
Tuesday Night
WSW wind 18 to 21 kt decreasing to 15 to 18 kt after midnight. Mostly cloudy. Seas 1 to 2 ft.
Wednesday
SSW wind 13 to 16 kt increasing to 19 to 22 kt in the afternoon. A chance of rain after 1pm. Seas 2 to 3 ft.
Wednesday Night
SW wind 18 to 21 kt. A chance of rain. Seas 2 to 3 ft.
Thursday
WNW wind 16 to 18 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: 12:50 am EST Dec 7, 2025
Forecast Valid: 2am EST Dec 7, 2025-6pm EST Dec 13, 2025
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