Hazardous Weather Conditions

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New York, NY Local Forecast Office

12NM NW Islip NY

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:W wind 5 to 8 kt becoming variable and less than 5 kt in the evening. A slight chance of showers between 11pm and 2am.   Seas 1 ft or less.

      W 8kt⇓
      < 1ft

    • Monday

      Monday:NNW wind 6 to 9 kt becoming ENE in the afternoon. Partly sunny, then gradually becoming sunny. Seas 1 ft or less.

      ENE 9kt
      < 1ft

    • Monday Night

      Monday Night:E wind 5 to 10 kt becoming variable and less than 5 kt after midnight. Mostly clear. Seas 1 ft or less.

      E 10kt⇓
      < 1ft

    • Tuesday

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

      Light Wind
      < 1ft

    • Tuesday Night

      Tuesday Night:SW wind around 6 kt becoming variable and less than 5 kt in the evening. Partly cloudy. Seas 1 ft or less.

      SW 6kt⇓
      < 1ft

    • Wednesday

      Wednesday:Variable winds 5 kt or less. Sunny. Seas 1 ft or less.

      Light Wind
      < 1ft

    • Wednesday Night

      Wednesday Night:SSE wind around 6 kt becoming variable and less than 5 kt in the evening. Mostly clear. Seas 1 ft or less.

      SSE 6kt⇓
      < 1ft

    • Thursday

      Thursday:Variable winds less than 5 kt becoming SSW around 6 kt in the afternoon. Sunny. Seas 1 ft or less.

      ⇑SSW 6kt
      < 1ft

    • Thursday Night

      Thursday Night:S wind 5 to 7 kt becoming variable and less than 5 kt in the evening. Mostly clear. Seas 1 ft or less.

      S 7kt⇓
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 2:32 pm EDT May 31, 2026
Forecast Valid: 5pm EDT May 31, 2026-6pm EDT Jun 7, 2026

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Detailed Forecast


Tonight
W wind 5 to 8 kt becoming variable and less than 5 kt in the evening. A slight chance of showers between 11pm and 2am. Seas 1 ft or less.
Monday
NNW wind 6 to 9 kt becoming ENE in the afternoon. Partly sunny, then gradually becoming sunny. Seas 1 ft or less.
Monday Night
E wind 5 to 10 kt becoming variable and less than 5 kt after midnight. Mostly clear. Seas 1 ft or less.
Tuesday
Variable winds 5 kt or less. Sunny. Seas 1 ft or less.
Tuesday Night
SW wind around 6 kt becoming variable and less than 5 kt in the evening. Partly cloudy. Seas 1 ft or less.
Wednesday
Variable winds 5 kt or less. Sunny. Seas 1 ft or less.
Wednesday Night
SSE wind around 6 kt becoming variable and less than 5 kt in the evening. Mostly clear. Seas 1 ft or less.
Thursday
Variable winds less than 5 kt becoming SSW around 6 kt in the afternoon. Sunny. Seas 1 ft or less.
Thursday Night
S wind 5 to 7 kt becoming variable and less than 5 kt in the evening. Mostly clear. 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: 2:32 pm EDT May 31, 2026
Forecast Valid: 5pm EDT May 31, 2026-6pm EDT Jun 7, 2026
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