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New York, NY Local Forecast Office

12NM NW Islip NY

Marine Point Forecast

[NOTICE]
    • Tuesday

      Tuesday:WSW wind around 11 kt, with gusts as high as 20 kt. Mostly cloudy through mid morning, then gradual clearing. Seas around 1 ft.

      WSW 11kt
      1ft

    • Tuesday Night

      Tuesday Night:WSW wind 10 to 13 kt becoming WNW after midnight. Mostly clear. Seas 1 to 2 ft.

      W 13kt
      1-2ft

    • Veterans Day

      Veterans Day:WNW wind 5 to 8 kt becoming variable and less than 5 kt in the afternoon. Mostly sunny. Seas 1 ft or less.

      WNW 8kt⇓
      < 1ft

    • Wednesday Night

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

      Light Wind
      < 1ft

    • Thursday

      Thursday:E wind 9 to 14 kt. Rain likely, mainly after 1pm.   Seas 1 to 2 ft.

      E 14kt
      1-2ft

    • Thursday Night

      Thursday Night:NE wind 15 to 18 kt increasing to 18 to 21 kt after midnight. Winds could gust as high as 28 kt. Rain.   Seas 2 to 3 ft.

      ⇑NE 21kt
      2-3ft

    • Friday

      Friday:N wind 16 to 21 kt, with gusts as high as 27 kt. Rain likely.   Seas 2 to 3 ft.

      N 21kt
      2-3ft

    • Friday Night

      Friday Night:NNW wind around 17 kt, with gusts as high as 24 kt. A chance of rain.   Seas around 2 ft.

      NNW 17kt
      2ft

    • Saturday

      Saturday:NW wind around 16 kt, with gusts as high as 23 kt. Mostly cloudy. Seas around 2 ft.

      NW 16kt
      2ft


Associated Zone Forecast which includes this point

Last Update: 1:27 pm EST Nov 9, 2026
Forecast Valid: 1am EST Nov 10, 2026-6pm EST Nov 16, 2026

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Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EST THIS EVENING...

Tuesday
WSW wind around 11 kt, with gusts as high as 20 kt. Mostly cloudy through mid morning, then gradual clearing. Seas around 1 ft.
Tuesday Night
WSW wind 10 to 13 kt becoming WNW after midnight. Mostly clear. Seas 1 to 2 ft.
Veterans Day
WNW wind 5 to 8 kt becoming variable and less than 5 kt in the afternoon. Mostly sunny. Seas 1 ft or less.
Wednesday Night
Variable winds 5 kt or less. Mostly cloudy. Seas 1 ft or less.
Thursday
E wind 9 to 14 kt. Rain likely, mainly after 1pm. Seas 1 to 2 ft.
Thursday Night
NE wind 15 to 18 kt increasing to 18 to 21 kt after midnight. Winds could gust as high as 28 kt. Rain. Seas 2 to 3 ft.
Friday
N wind 16 to 21 kt, with gusts as high as 27 kt. Rain likely. Seas 2 to 3 ft.
Friday Night
NNW wind around 17 kt, with gusts as high as 24 kt. A chance of rain. Seas around 2 ft.
Saturday
NW wind around 16 kt, with gusts as high as 23 kt. Mostly cloudy. 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: 40.91°N 73.39°W
Last Update: 1:27 pm EST Nov 9, 2026
Forecast Valid: 1am EST Nov 10, 2026-6pm EST Nov 16, 2026
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