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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 around 9 kt becoming NW after midnight. Showers likely before 9pm. Seas 1 ft or less.

      W 9kt
      < 1ft

    • Saturday

      Saturday:WNW wind around 7 kt. Sunny. Seas 1 ft or less.

      WNW 7kt
      < 1ft

    • Saturday Night

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

      WSW 6kt⇓
      < 1ft

    • Sunday

      Sunday:Variable winds less than 5 kt becoming S 10 to 15 kt in the morning. Winds could gust as high as 21 kt. A slight chance of showers after 2pm. Seas 1 ft or less.

      ⇑S 15kt
      < 1ft

    • Sunday Night

      Sunday Night:S wind 10 to 15 kt becoming WSW after midnight. A slight chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a slight chance of showers after 2am. Seas 1 ft or less.

      S 15kt
      < 1ft

    • Monday

      Monday:WNW wind 8 to 10 kt. Mostly sunny. Seas 1 ft or less.

      WNW 10kt
      < 1ft

    • Monday Night

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

      WNW 8kt⇓
      < 1ft

    • Tuesday

      Tuesday:Variable winds less than 5 kt becoming SW 5 to 7 kt in the afternoon. Mostly sunny. Seas 1 ft or less.

      ⇑SW 7kt
      < 1ft

    • Tuesday Night

      Tuesday Night:SSW wind 5 to 7 kt becoming variable and less than 5 kt in the evening. Partly cloudy. Seas 1 ft or less.

      SSW 7kt⇓
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 8:10 pm EDT Jun 12, 2026
Forecast Valid: 8pm EDT Jun 12, 2026-6pm EDT Jun 19, 2026

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Detailed Forecast

...SEVERE THUNDERSTORM WATCH 322 IN EFFECT UNTIL 9 PM EDT THIS

Tonight
W wind around 9 kt becoming NW after midnight. Showers likely before 9pm. Seas 1 ft or less.
Saturday
WNW wind around 7 kt. Sunny. Seas 1 ft or less.
Saturday Night
WSW wind around 6 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 10 to 15 kt in the morning. Winds could gust as high as 21 kt. A slight chance of showers after 2pm. Seas 1 ft or less.
Sunday Night
S wind 10 to 15 kt becoming WSW after midnight. A slight chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a slight chance of showers after 2am. Seas 1 ft or less.
Monday
WNW wind 8 to 10 kt. Mostly sunny. Seas 1 ft or less.
Monday Night
WNW wind 5 to 8 kt becoming variable and less than 5 kt after midnight. Partly cloudy. Seas 1 ft or less.
Tuesday
Variable winds less than 5 kt becoming SW 5 to 7 kt in the afternoon. Mostly sunny. Seas 1 ft or less.
Tuesday Night
SSW wind 5 to 7 kt becoming variable and less than 5 kt in the evening. Partly cloudy. 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: 8:10 pm EDT Jun 12, 2026
Forecast Valid: 8pm EDT Jun 12, 2026-6pm EDT Jun 19, 2026
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