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New York, NY Local Forecast Office

12NM NW Islip NY

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:WSW wind 7 to 9 kt becoming N after midnight. Isolated showers and thunderstorms before 8pm.   Seas around 1 ft.

      WSW 9kt
      1ft

    • Thursday

      Thursday:NNW wind around 8 kt. Sunny. Seas around 1 ft.

      NNW 8kt
      1ft

    • Thursday Night

      Thursday Night:NNW wind 8 to 10 kt. Mostly clear. Seas around 1 ft.

      NNW 10kt
      1ft

    • Friday

      Friday:WNW wind 5 to 7 kt becoming W in the afternoon. Sunny. Seas around 1 ft.

      W 7kt
      1ft

    • Friday Night

      Friday Night:SW wind 10 to 15 kt becoming W after midnight. A slight chance of showers after 2am.   Seas 1 to 2 ft.

      W 15kt
      1-2ft

    • Saturday

      Saturday:NW wind 14 to 16 kt becoming N in the afternoon. Mostly sunny. Seas 1 to 2 ft.

      NW 16kt
      1-2ft

    • Saturday Night

      Saturday Night:N wind 8 to 13 kt. Mostly clear. Seas 1 ft or less.

      N 13kt
      < 1ft

    • Sunday

      Sunday:NNW wind around 8 kt. Sunny. Seas 1 ft or less.

      NNW 8kt
      < 1ft

    • Sunday Night

      Sunday Night:SW wind around 7 kt. Partly cloudy. Seas 1 ft or less.

      SW 7kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 4:51 pm EDT May 27, 2026
Forecast Valid: 6pm EDT May 27, 2026-6pm EDT Jun 3, 2026

View Nearby Observations

Detailed Forecast


Tonight
WSW wind 7 to 9 kt becoming N after midnight. Isolated showers and thunderstorms before 8pm. Seas around 1 ft.
Thursday
NNW wind around 8 kt. Sunny. Seas around 1 ft.
Thursday Night
NNW wind 8 to 10 kt. Mostly clear. Seas around 1 ft.
Friday
WNW wind 5 to 7 kt becoming W in the afternoon. Sunny. Seas around 1 ft.
Friday Night
SW wind 10 to 15 kt becoming W after midnight. A slight chance of showers after 2am. Seas 1 to 2 ft.
Saturday
NW wind 14 to 16 kt becoming N in the afternoon. Mostly sunny. Seas 1 to 2 ft.
Saturday Night
N wind 8 to 13 kt. Mostly clear. Seas 1 ft or less.
Sunday
NNW wind around 8 kt. Sunny. Seas 1 ft or less.
Sunday Night
SW wind around 7 kt. Partly cloudy. Seas 1 ft or less.

Winds and seas may be higher in and near tstms.

*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: 4:51 pm EDT May 27, 2026
Forecast Valid: 6pm EDT May 27, 2026-6pm EDT Jun 3, 2026
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