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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 7 kt becoming variable and less than 5 kt in the evening. Mostly clear. Seas 1 ft or less.

      W 7kt⇓
      < 1ft

    • Sunday

      Sunday:Variable winds less than 5 kt becoming S 9 to 14 kt in the morning. Winds could gust as high as 21 kt. Increasing clouds. Seas 1 ft or less.

      ⇑S 14kt
      < 1ft

    • Sunday Night

      Sunday Night:S wind 13 to 16 kt becoming SW 10 to 13 kt after midnight. Winds could gust as high as 22 kt. Showers and thunderstorms before 2am, then a chance of showers. Seas 1 ft or less.

      S 16kt⇓
      < 1ft

    • Monday

      Monday:NW wind 8 to 12 kt. A slight chance of showers before 8am. Seas 1 ft or less.

      NW 12kt
      < 1ft

    • Monday Night

      Monday Night:WNW wind 5 to 9 kt becoming variable and less than 5 kt after midnight. Mostly clear. Seas 1 ft or less.

      WNW 9kt⇓
      < 1ft

    • Tuesday

      Tuesday:Variable winds less than 5 kt becoming SSW 5 to 7 kt in the afternoon. Sunny. Seas 1 ft or less.

      ⇑SSW 7kt
      < 1ft

    • Tuesday Night

      Tuesday Night:SSW wind 5 to 8 kt becoming variable and less than 5 kt after midnight. Partly cloudy. Seas 1 ft or less.

      SSW 8kt⇓
      < 1ft

    • Wednesday

      Wednesday:Variable winds less than 5 kt becoming S 5 to 10 kt in the morning. A chance of showers. Seas 1 ft or less.

      ⇑S 10kt
      < 1ft

    • Wednesday Night

      Wednesday Night:S wind 5 to 7 kt becoming variable and less than 5 kt after midnight. A chance of showers. Seas 1 ft or less.

      S 7kt⇓
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 2:23 pm EDT Jun 13, 2026
Forecast Valid: 4pm EDT Jun 13, 2026-6pm EDT Jun 20, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT FROM SUNDAY AFTERNOON THROUGH

Tonight
W wind 5 to 7 kt becoming variable and less than 5 kt in the evening. Mostly clear. Seas 1 ft or less.
Sunday
Variable winds less than 5 kt becoming S 9 to 14 kt in the morning. Winds could gust as high as 21 kt. Increasing clouds. Seas 1 ft or less.
Sunday Night
S wind 13 to 16 kt becoming SW 10 to 13 kt after midnight. Winds could gust as high as 22 kt. Showers and thunderstorms before 2am, then a chance of showers. Seas 1 ft or less.
Monday
NW wind 8 to 12 kt. A slight chance of showers before 8am. Seas 1 ft or less.
Monday Night
WNW wind 5 to 9 kt becoming variable and less than 5 kt after midnight. Mostly clear. Seas 1 ft or less.
Tuesday
Variable winds less than 5 kt becoming SSW 5 to 7 kt in the afternoon. Sunny. Seas 1 ft or less.
Tuesday Night
SSW wind 5 to 8 kt becoming variable and less than 5 kt after midnight. Partly cloudy. Seas 1 ft or less.
Wednesday
Variable winds less than 5 kt becoming S 5 to 10 kt in the morning. A chance of showers. Seas 1 ft or less.
Wednesday Night
S wind 5 to 7 kt becoming variable and less than 5 kt after midnight. A chance of showers. 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: 2:23 pm EDT Jun 13, 2026
Forecast Valid: 4pm EDT Jun 13, 2026-6pm EDT Jun 20, 2026
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