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New York, NY Local Forecast Office

12NM NW Islip NY

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:Variable winds 5 kt or less. Mostly cloudy. Seas 1 ft or less.

      Light Wind
      < 1ft

    • Tuesday

      Tuesday:Variable winds 5 kt or less. Partly sunny. Seas 1 ft or less.

      Light Wind
      < 1ft

    • Tuesday Night

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

      SW 7kt
      < 1ft

    • Wednesday

      Wednesday:WSW wind 5 to 7 kt. Partly sunny. Seas 1 ft or less.

      WSW 7kt
      < 1ft

    • Wednesday Night

      Wednesday Night:W wind around 7 kt becoming NNW after midnight. A slight chance of showers and thunderstorms before 2am.   Seas 1 ft or less.

      W 7kt
      < 1ft

    • Thursday

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

      NNW 10kt
      < 1ft

    • Thursday Night

      Thursday Night:NNW wind 6 to 8 kt. Mostly clear. Seas 1 ft or less.

      NNW 8kt
      < 1ft

    • Friday

      Friday:NW wind 6 to 8 kt becoming W in the afternoon. Sunny. Seas 1 ft or less.

      W 8kt
      < 1ft

    • Friday Night

      Friday Night:S wind 6 to 8 kt becoming SW after midnight. Partly cloudy. Seas 1 ft or less.

      S 8kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 3:13 pm EDT May 25, 2026
Forecast Valid: 8pm EDT May 25, 2026-6pm EDT Jun 1, 2026

View Nearby Observations

Detailed Forecast


Tonight
Variable winds 5 kt or less. Mostly cloudy. Seas 1 ft or less.
Tuesday
Variable winds 5 kt or less. Partly sunny. Seas 1 ft or less.
Tuesday Night
SW wind 5 to 7 kt. Mostly cloudy. Seas 1 ft or less.
Wednesday
WSW wind 5 to 7 kt. Partly sunny. Seas 1 ft or less.
Wednesday Night
W wind around 7 kt becoming NNW after midnight. A slight chance of showers and thunderstorms before 2am. Seas 1 ft or less.
Thursday
NNW wind 7 to 10 kt. Mostly sunny. Seas 1 ft or less.
Thursday Night
NNW wind 6 to 8 kt. Mostly clear. Seas 1 ft or less.
Friday
NW wind 6 to 8 kt becoming W in the afternoon. Sunny. Seas 1 ft or less.
Friday Night
S wind 6 to 8 kt becoming SW after midnight. 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: 3:13 pm EDT May 25, 2026
Forecast Valid: 8pm EDT May 25, 2026-6pm EDT Jun 1, 2026
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