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New York, NY Local Forecast Office

12NM NW Islip NY

Marine Point Forecast

[NOTICE]
    • Today

      Today:NNW wind 6 to 11 kt becoming variable and less than 5 kt in the afternoon. Sunny. Seas 1 ft or less.

      NNW 11kt⇓
      < 1ft

    • Tonight

      Tonight:SSW wind 8 to 10 kt becoming WSW after midnight. Increasing clouds. Seas 1 ft or less.

      SSW 10kt
      < 1ft

    • Wednesday

      Wednesday:Variable winds less than 5 kt becoming SSW 5 to 9 kt in the morning. Partly sunny. Seas 1 ft or less.

      ⇑SSW 9kt
      < 1ft

    • Wednesday Night

      Wednesday Night:S wind 7 to 10 kt. Cloudy. Seas 1 ft or less.

      S 10kt
      < 1ft

    • Thursday

      Thursday:SSW wind 9 to 14 kt. Mostly cloudy. Seas 1 ft or less.

      SSW 14kt
      < 1ft

    • Thursday Night

      Thursday Night:SSW wind 16 to 19 kt. Rain, mainly after 2am.   Seas 2 to 3 ft.

      SSW 19kt
      2-3ft

    • Friday

      Friday:WNW wind 13 to 16 kt becoming NNW in the afternoon. Rain, mainly before 8am.   Seas around 2 ft.

      WNW 16kt
      2ft

    • Friday Night

      Friday Night:N wind around 10 kt. Partly cloudy. Seas around 1 ft.

      N 10kt
      1ft

    • Saturday

      Saturday:N wind around 7 kt becoming W in the afternoon. Mostly sunny. Seas 1 ft or less.

      N 7kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 3:49 am EDT Mar 24, 2026
Forecast Valid: 7am EDT Mar 24, 2026-6pm EDT Mar 30, 2026

View Nearby Observations

Detailed Forecast


Today
NNW wind 6 to 11 kt becoming variable and less than 5 kt in the afternoon. Sunny. Seas 1 ft or less.
Tonight
SSW wind 8 to 10 kt becoming WSW after midnight. Increasing clouds. Seas 1 ft or less.
Wednesday
Variable winds less than 5 kt becoming SSW 5 to 9 kt in the morning. Partly sunny. Seas 1 ft or less.
Wednesday Night
S wind 7 to 10 kt. Cloudy. Seas 1 ft or less.
Thursday
SSW wind 9 to 14 kt. Mostly cloudy. Seas 1 ft or less.
Thursday Night
SSW wind 16 to 19 kt. Rain, mainly after 2am. Seas 2 to 3 ft.
Friday
WNW wind 13 to 16 kt becoming NNW in the afternoon. Rain, mainly before 8am. Seas around 2 ft.
Friday Night
N wind around 10 kt. Partly cloudy. Seas around 1 ft.
Saturday
N wind around 7 kt becoming W 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: 40.91°N 73.39°W
Last Update: 3:49 am EDT Mar 24, 2026
Forecast Valid: 7am EDT Mar 24, 2026-6pm EDT Mar 30, 2026
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