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New York, NY Local Forecast Office

14NM N Islip NY

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:W wind 15 to 19 kt becoming NNW after midnight. Winds could gust as high as 25 kt. Partly cloudy. Seas 1 to 2 ft.

      NNW 19kt
      1-2ft

      Small Craft Advisory
      Small Craft Advisory

    • Monday

      Monday:N wind 18 to 23 kt decreasing to 13 to 18 kt in the afternoon. Mostly sunny. Seas 2 to 3 ft.

      N 23kt⇓
      2-3ft

      Small Craft Advisory
      Small Craft Advisory

    • Monday Night

      Monday Night:N wind 10 to 13 kt decreasing to 7 to 10 kt after midnight. Partly cloudy. Seas 1 to 2 ft.

      N 13kt⇓
      1-2ft

    • Tuesday

      Tuesday:NNE wind 5 to 8 kt becoming SSW 9 to 12 kt in the afternoon. Increasing clouds. Seas 1 ft or less.

      ⇑SSW 12kt
      < 1ft

    • Tuesday Night

      Tuesday Night:SW wind 18 to 20 kt. A slight chance of rain.   Seas 1 to 2 ft.

      SW 20kt
      1-2ft

    • Wednesday

      Wednesday:SSW wind 14 to 17 kt increasing to 18 to 21 kt in the afternoon. Winds could gust as high as 28 kt. A chance of rain.   Seas 2 to 3 ft.

      ⇑SSW 21kt
      2-3ft

    • Wednesday Night

      Wednesday Night:SW wind 22 to 24 kt, with gusts as high as 30 kt. A chance of rain before 1am.   Seas 3 ft building to 5 ft.

      SW 24kt
      Waves Building5ft

    • Thursday

      Thursday:W wind 16 to 20 kt, with gusts as high as 26 kt. Partly sunny. Seas 3 to 4 ft.

      W 20kt
      3-4ft

    • Thursday Night

      Thursday Night:W wind 12 to 15 kt, with gusts as high as 21 kt. A chance of rain and snow after 1am.   Seas 2 to 3 ft.

      W 15kt
      2-3ft


Associated Zone Forecast which includes this point

Last Update: 5:39 pm EST Dec 7, 2025
Forecast Valid: 10pm EST Dec 7, 2025-6pm EST Dec 14, 2025

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Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT FROM 1 AM EST MONDAY THROUGH

Tonight
W wind 15 to 19 kt becoming NNW after midnight. Winds could gust as high as 25 kt. Partly cloudy. Seas 1 to 2 ft.
Monday
N wind 18 to 23 kt decreasing to 13 to 18 kt in the afternoon. Mostly sunny. Seas 2 to 3 ft.
Monday Night
N wind 10 to 13 kt decreasing to 7 to 10 kt after midnight. Partly cloudy. Seas 1 to 2 ft.
Tuesday
NNE wind 5 to 8 kt becoming SSW 9 to 12 kt in the afternoon. Increasing clouds. Seas 1 ft or less.
Tuesday Night
SW wind 18 to 20 kt. A slight chance of rain. Seas 1 to 2 ft.
Wednesday
SSW wind 14 to 17 kt increasing to 18 to 21 kt in the afternoon. Winds could gust as high as 28 kt. A chance of rain. Seas 2 to 3 ft.
Wednesday Night
SW wind 22 to 24 kt, with gusts as high as 30 kt. A chance of rain before 1am. Seas 3 ft building to 5 ft.
Thursday
W wind 16 to 20 kt, with gusts as high as 26 kt. Partly sunny. Seas 3 to 4 ft.
Thursday Night
W wind 12 to 15 kt, with gusts as high as 21 kt. A chance of rain and snow after 1am. Seas 2 to 3 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: 40.96°N 73.26°W
Last Update: 5:39 pm EST Dec 7, 2025
Forecast Valid: 10pm EST Dec 7, 2025-6pm EST Dec 14, 2025
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