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New York, NY Local Forecast Office

12NM NW Islip NY

Marine Point Forecast

[NOTICE]
    • Today

      Today:WSW wind 7 to 9 kt. A slight chance of showers before 2pm, then a slight chance of showers and thunderstorms after 5pm.   Seas 1 ft or less.

      WSW 9kt
      < 1ft

    • Tonight

      Tonight:W wind around 9 kt becoming N after midnight. A slight chance of showers and thunderstorms before 8pm.   Seas 1 ft or less.

      NNW 9kt
      < 1ft

    • Thursday

      Thursday:NNW wind 8 to 11 kt. Sunny. Seas 1 ft or less.

      NNW 11kt
      < 1ft

    • Thursday Night

      Thursday Night:NNW wind 7 to 10 kt. Mostly clear. Seas 1 ft or less.

      NNW 10kt
      < 1ft

    • Friday

      Friday:WNW wind 5 to 7 kt becoming WSW in the afternoon. Mostly sunny. Seas 1 ft or less.

      WSW 7kt
      < 1ft

    • Friday Night

      Friday Night:SSW wind 10 to 13 kt becoming W after midnight. A chance of showers after 2am.   Seas 1 ft or less.

      W 13kt
      < 1ft

    • Saturday

      Saturday:NW wind around 14 kt becoming N in the afternoon. A chance of showers before 8am.   Seas around 1 ft.

      NW 14kt
      1ft

    • Saturday Night

      Saturday Night:N wind 8 to 12 kt becoming NNW after midnight. Partly cloudy. Seas 1 ft or less.

      N 12kt
      < 1ft

    • Sunday

      Sunday:NNW wind around 9 kt. Sunny. Seas 1 ft or less.

      NNW 9kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 2:27 am EDT May 27, 2026
Forecast Valid: 6am EDT May 27, 2026-6pm EDT Jun 2, 2026

View Nearby Observations

Detailed Forecast


Today
WSW wind 7 to 9 kt. A slight chance of showers before 2pm, then a slight chance of showers and thunderstorms after 5pm. Seas 1 ft or less.
Tonight
W wind around 9 kt becoming N after midnight. A slight chance of showers and thunderstorms before 8pm. Seas 1 ft or less.
Thursday
NNW wind 8 to 11 kt. Sunny. Seas 1 ft or less.
Thursday Night
NNW wind 7 to 10 kt. Mostly clear. Seas 1 ft or less.
Friday
WNW wind 5 to 7 kt becoming WSW in the afternoon. Mostly sunny. Seas 1 ft or less.
Friday Night
SSW wind 10 to 13 kt becoming W after midnight. A chance of showers after 2am. Seas 1 ft or less.
Saturday
NW wind around 14 kt becoming N in the afternoon. A chance of showers before 8am. Seas around 1 ft.
Saturday Night
N wind 8 to 12 kt becoming NNW after midnight. Partly cloudy. Seas 1 ft or less.
Sunday
NNW wind around 9 kt. Sunny. 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: 2:27 am EDT May 27, 2026
Forecast Valid: 6am EDT May 27, 2026-6pm EDT Jun 2, 2026
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