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New York, NY Local Forecast Office

15NM WSW Islip NY

Marine Point Forecast

[NOTICE]
    • Overnight

      Overnight:WNW wind around 16 kt, with gusts as high as 22 kt. Mostly clear. Seas 1 ft or less.

      WNW 16kt
      < 1ft

    • Tuesday

      Tuesday:WNW wind 11 to 14 kt, with gusts as high as 20 kt. Mostly sunny. Seas 1 ft or less.

      WNW 14kt
      < 1ft

    • Tuesday Night

      Tuesday Night:W wind 5 to 8 kt. A chance of rain.   Seas 1 ft or less.

      W 8kt
      < 1ft

    • Wednesday

      Wednesday:N wind 5 to 8 kt becoming NNE in the morning. A slight chance of rain before 1pm.   Seas 1 ft or less.

      NNE 8kt
      < 1ft

    • Wednesday Night

      Wednesday Night:NNE wind around 7 kt. Mostly cloudy. Seas 1 ft or less.

      NNE 7kt
      < 1ft

    • Thursday

      Thursday:NE wind around 7 kt. Mostly cloudy. Seas 1 ft or less.

      NE 7kt
      < 1ft

    • Thursday Night

      Thursday Night:Variable winds less than 5 kt becoming S around 6 kt in the evening. Cloudy. Seas 1 ft or less.

      ⇑S 6kt
      < 1ft

    • Friday

      Friday:SSW wind 8 to 13 kt becoming WSW in the afternoon. A chance of rain.   Seas 1 ft or less.

      SSW 13kt
      < 1ft

    • Friday Night

      Friday Night:WSW wind around 12 kt becoming NW after midnight. A chance of rain.   Seas 1 ft or less.

      WSW 12kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 9:16 pm EST Nov 17, 2025
Forecast Valid: 12am EST Nov 18, 2025-6pm EST Nov 24, 2025

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 AM EST TUESDAY...

Overnight
WNW wind around 16 kt, with gusts as high as 22 kt. Mostly clear. Seas 1 ft or less.
Tuesday
WNW wind 11 to 14 kt, with gusts as high as 20 kt. Mostly sunny. Seas 1 ft or less.
Tuesday Night
W wind 5 to 8 kt. A chance of rain. Seas 1 ft or less.
Wednesday
N wind 5 to 8 kt becoming NNE in the morning. A slight chance of rain before 1pm. Seas 1 ft or less.
Wednesday Night
NNE wind around 7 kt. Mostly cloudy. Seas 1 ft or less.
Thursday
NE wind around 7 kt. Mostly cloudy. Seas 1 ft or less.
Thursday Night
Variable winds less than 5 kt becoming S around 6 kt in the evening. Cloudy. Seas 1 ft or less.
Friday
SSW wind 8 to 13 kt becoming WSW in the afternoon. A chance of rain. Seas 1 ft or less.
Friday Night
WSW wind around 12 kt becoming NW after midnight. A chance of rain. 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: 40.61°N 73.51°W
Last Update: 9:16 pm EST Nov 17, 2025
Forecast Valid: 12am EST Nov 18, 2025-6pm EST Nov 24, 2025
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