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New York, NY Local Forecast Office

12NM NW Islip NY

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:WSW wind 6 to 8 kt. Mostly clear. Seas 1 ft or less.

      WSW 8kt
      < 1ft

    • Monday

      Monday:WSW wind 7 to 9 kt. Mostly sunny. Seas 1 ft or less.

      WSW 9kt
      < 1ft

    • Monday Night

      Monday Night:WSW wind 6 to 8 kt. Partly cloudy. Seas 1 ft or less.

      WSW 8kt
      < 1ft

    • Tuesday

      Tuesday:SW wind around 7 kt. Mostly sunny. Seas 1 ft or less.

      SW 7kt
      < 1ft

    • Tuesday Night

      Tuesday Night:SW wind 5 to 7 kt. Partly cloudy. Seas 1 ft or less.

      SW 7kt
      < 1ft

    • Wednesday

      Wednesday:Variable winds less than 5 kt becoming SSW 5 to 7 kt in the morning. Mostly sunny. Seas 1 ft or less.

      ⇑SSW 7kt
      < 1ft

    • Wednesday Night

      Wednesday Night:S wind around 6 kt. Partly cloudy. Seas 1 ft or less.

      S 6kt
      < 1ft

    • Thursday

      Thursday:S wind 5 to 9 kt. A chance of rain.   Seas 1 ft or less.

      S 9kt
      < 1ft

    • Thursday Night

      Thursday Night:S wind 5 to 7 kt. Rain likely.   Seas 1 ft or less.

      S 7kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 4:59 pm EST Nov 1, 2026
Forecast Valid: 9pm EST Nov 1, 2026-6pm EST Nov 8, 2026

View Nearby Observations

Detailed Forecast


Tonight
WSW wind 6 to 8 kt. Mostly clear. Seas 1 ft or less.
Monday
WSW wind 7 to 9 kt. Mostly sunny. Seas 1 ft or less.
Monday Night
WSW wind 6 to 8 kt. Partly cloudy. Seas 1 ft or less.
Tuesday
SW wind around 7 kt. Mostly sunny. Seas 1 ft or less.
Tuesday Night
SW wind 5 to 7 kt. Partly cloudy. Seas 1 ft or less.
Wednesday
Variable winds less than 5 kt becoming SSW 5 to 7 kt in the morning. Mostly sunny. Seas 1 ft or less.
Wednesday Night
S wind around 6 kt. Partly cloudy. Seas 1 ft or less.
Thursday
S wind 5 to 9 kt. A chance of rain. Seas 1 ft or less.
Thursday Night
S wind 5 to 7 kt. Rain likely. 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: 4:59 pm EST Nov 1, 2026
Forecast Valid: 9pm EST Nov 1, 2026-6pm EST Nov 8, 2026
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