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New York, NY Local Forecast Office

12NM NW Islip NY

Marine Point Forecast

[NOTICE]
    • Today

      Today:N wind 10 to 13 kt. Mostly cloudy. Seas around 1 ft.

      N 13kt
      1ft

    • Tonight

      Tonight:N wind 6 to 8 kt. Mostly cloudy. Seas 1 ft or less.

      N 8kt
      < 1ft

    • Saturday

      Saturday:NW wind 12 to 15 kt. Mostly sunny. Seas 1 ft or less.

      NW 15kt
      < 1ft

    • Saturday Night

      Saturday Night:NW wind 5 to 10 kt becoming variable and less than 5 kt after midnight. Partly cloudy. Seas 1 ft or less.

      NW 10kt⇓
      < 1ft

    • Sunday

      Sunday:SSW wind 6 to 9 kt increasing to 12 to 15 kt in the afternoon. Winds could gust as high as 22 kt. Mostly sunny. Seas 1 ft or less.

      ⇑SSW 15kt
      < 1ft

    • Sunday Night

      Sunday Night:SW wind 13 to 17 kt. Mostly cloudy. Seas 1 ft or less.

      SW 17kt
      < 1ft

    • Monday

      Monday:SW wind 11 to 13 kt. Partly sunny. Seas 1 ft or less.

      SW 13kt
      < 1ft

    • Monday Night

      Monday Night:SW wind around 8 kt. Mostly cloudy. Seas 1 ft or less.

      SW 8kt
      < 1ft

    • Tuesday

      Tuesday:S wind 7 to 10 kt. A chance of rain.   Seas 1 ft or less.

      S 10kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 7:52 am EDT Mar 27, 2026
Forecast Valid: 11am EDT Mar 27, 2026-6pm EDT Apr 2, 2026

View Nearby Observations

Detailed Forecast


Today
N wind 10 to 13 kt. Mostly cloudy. Seas around 1 ft.
Tonight
N wind 6 to 8 kt. Mostly cloudy. Seas 1 ft or less.
Saturday
NW wind 12 to 15 kt. Mostly sunny. Seas 1 ft or less.
Saturday Night
NW wind 5 to 10 kt becoming variable and less than 5 kt after midnight. Partly cloudy. Seas 1 ft or less.
Sunday
SSW wind 6 to 9 kt increasing to 12 to 15 kt in the afternoon. Winds could gust as high as 22 kt. Mostly sunny. Seas 1 ft or less.
Sunday Night
SW wind 13 to 17 kt. Mostly cloudy. Seas 1 ft or less.
Monday
SW wind 11 to 13 kt. Partly sunny. Seas 1 ft or less.
Monday Night
SW wind around 8 kt. Mostly cloudy. Seas 1 ft or less.
Tuesday
S wind 7 to 10 kt. 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: 40.91°N 73.39°W
Last Update: 7:52 am EDT Mar 27, 2026
Forecast Valid: 11am EDT Mar 27, 2026-6pm EDT Apr 2, 2026
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