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New York, NY Local Forecast Office

12NM NW Islip NY

Marine Point Forecast

[NOTICE]
    • M.L.King Day

      M.L.King Day:W wind 9 to 12 kt becoming WSW 13 to 16 kt in the afternoon. Mostly cloudy, then gradually becoming sunny. Seas 1 to 2 ft.

      ⇑WSW 16kt
      1-2ft

    • Tonight

      Tonight:W wind 16 to 19 kt. Mostly clear. Seas 2 to 3 ft.

      W 19kt
      2-3ft

    • Tuesday

      Tuesday:W wind around 16 kt, with gusts as high as 23 kt. Sunny. Seas around 2 ft.

      W 16kt
      2ft

    • Tuesday Night

      Tuesday Night:W wind 9 to 14 kt. Mostly clear. Seas 1 to 2 ft.

      W 14kt
      1-2ft

    • Wednesday

      Wednesday:WSW wind 6 to 9 kt becoming SSW 9 to 12 kt in the afternoon. Mostly sunny. Seas around 1 ft.

      ⇑SSW 12kt
      1ft

    • Wednesday Night

      Wednesday Night:SW wind 12 to 15 kt. Mostly cloudy. Seas 1 to 2 ft.

      SW 15kt
      1-2ft

    • Thursday

      Thursday:SW wind 11 to 16 kt. Mostly sunny. Seas 1 to 2 ft.

      SW 16kt
      1-2ft

    • Thursday Night

      Thursday Night:W wind 15 to 17 kt. Partly cloudy. Seas around 2 ft.

      W 17kt
      2ft

    • Friday

      Friday:W wind 12 to 14 kt. Partly sunny. Seas around 2 ft.

      W 14kt
      2ft


Associated Zone Forecast which includes this point

Last Update: 1:10 am EST Jan 19, 2026
Forecast Valid: 5am EST Jan 19, 2026-6pm EST Jan 25, 2026

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Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT FROM NOON EST TODAY THROUGH

M.L.King Day
W wind 9 to 12 kt becoming WSW 13 to 16 kt in the afternoon. Mostly cloudy, then gradually becoming sunny. Seas 1 to 2 ft.
Tonight
W wind 16 to 19 kt. Mostly clear. Seas 2 to 3 ft.
Tuesday
W wind around 16 kt, with gusts as high as 23 kt. Sunny. Seas around 2 ft.
Tuesday Night
W wind 9 to 14 kt. Mostly clear. Seas 1 to 2 ft.
Wednesday
WSW wind 6 to 9 kt becoming SSW 9 to 12 kt in the afternoon. Mostly sunny. Seas around 1 ft.
Wednesday Night
SW wind 12 to 15 kt. Mostly cloudy. Seas 1 to 2 ft.
Thursday
SW wind 11 to 16 kt. Mostly sunny. Seas 1 to 2 ft.
Thursday Night
W wind 15 to 17 kt. Partly cloudy. Seas around 2 ft.
Friday
W wind 12 to 14 kt. Partly sunny. 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: 1:10 am EST Jan 19, 2026
Forecast Valid: 5am EST Jan 19, 2026-6pm EST Jan 25, 2026
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