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New York, NY Local Forecast Office

12NM NNE Islip NY

Marine Point Forecast

[NOTICE]
    • Today

      Today:NNW wind 13 to 16 kt increasing to 16 to 19 kt in the morning. Winds could gust as high as 29 kt. Mostly sunny. Seas 1 to 2 ft.

      ⇑NNW 19kt
      1-2ft

    • Tonight

      Tonight:NNW wind 5 to 7 kt becoming variable and less than 5 kt after midnight. Partly cloudy. Seas 1 ft or less.

      NNW 7kt⇓
      < 1ft

    • Monday

      Monday:ENE wind 5 to 9 kt becoming S in the afternoon. Increasing clouds. Seas 1 ft or less.

      S 9kt
      < 1ft

    • Monday Night

      Monday Night:S wind around 10 kt. Showers likely, mainly after 2am.   Seas 1 ft or less.

      S 10kt
      < 1ft

    • Tuesday

      Tuesday:WSW wind 8 to 12 kt. Showers likely, mainly before 8am.   Seas 1 ft or less.

      WSW 12kt
      < 1ft

    • Tuesday Night

      Tuesday Night:W wind 5 to 9 kt becoming NW after midnight. Partly cloudy. Seas around 1 ft.

      W 9kt
      1ft

    • Wednesday

      Wednesday:Variable winds 5 kt or less. Mostly sunny. Seas 1 ft or less.

      Light Wind
      < 1ft

    • Wednesday Night

      Wednesday Night:Variable winds 5 kt or less. Partly cloudy. Seas 1 ft or less.

      Light Wind
      < 1ft

    • Thursday

      Thursday:Variable winds less than 5 kt becoming SSE around 6 kt in the afternoon. Mostly sunny. Seas 1 ft or less.

      ⇑SSE 6kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 5:53 am EDT Apr 20, 2025
Forecast Valid: 6am EDT Apr 20, 2025-6pm EDT Apr 26, 2025

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Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON...

Today
NNW wind 13 to 16 kt increasing to 16 to 19 kt in the morning. Winds could gust as high as 29 kt. Mostly sunny. Seas 1 to 2 ft.
Tonight
NNW wind 5 to 7 kt becoming variable and less than 5 kt after midnight. Partly cloudy. Seas 1 ft or less.
Monday
ENE wind 5 to 9 kt becoming S in the afternoon. Increasing clouds. Seas 1 ft or less.
Monday Night
S wind around 10 kt. Showers likely, mainly after 2am. Seas 1 ft or less.
Tuesday
WSW wind 8 to 12 kt. Showers likely, mainly before 8am. Seas 1 ft or less.
Tuesday Night
W wind 5 to 9 kt becoming NW after midnight. Partly cloudy. Seas around 1 ft.
Wednesday
Variable winds 5 kt or less. Mostly sunny. Seas 1 ft or less.
Wednesday Night
Variable winds 5 kt or less. Partly cloudy. Seas 1 ft or less.
Thursday
Variable winds less than 5 kt becoming SSE around 6 kt in the afternoon. Mostly sunny. Seas 1 ft or less.

*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: 40.92°N 73.15°W
Last Update: 5:53 am EDT Apr 20, 2025
Forecast Valid: 6am EDT Apr 20, 2025-6pm EDT Apr 26, 2025
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