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Hazardous Weather Conditions

For More Weather Information:

New York, NY Local Forecast Office

12NM NW Islip NY

Marine Point Forecast

[NOTICE]

    • Tonight

      Tonight:Variable winds 5 kt or less. Widespread smoke, mainly after 8pm. Seas 1 ft or less.

      Light Wind
      < 1ft

    • Saturday

      Saturday:SSW wind 8 to 12 kt, with gusts as high as 20 kt. Showers likely, then showers and possibly a thunderstorm after 2pm. Widespread smoke, mainly before 2pm. Seas 1 ft or less.

      SSW 12kt
      < 1ft

    • Saturday Night

      Saturday Night:SSW wind around 13 kt becoming WSW after midnight. Winds could gust as high as 20 kt. Showers and possibly a thunderstorm, mainly before 2am. Patchy smoke before 8pm. Seas 1 ft or less.

      SSW 13kt
      < 1ft

    • Sunday

      Sunday:NW wind 9 to 12 kt. Partly sunny, then gradually becoming sunny. Seas 1 ft or less.

      NW 12kt
      < 1ft

    • Sunday Night

      Sunday Night:NW wind 5 to 7 kt becoming N after midnight. Mostly clear. Seas 1 ft or less.

      NW 7kt
      < 1ft

    • Monday

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

      Light Wind
      < 1ft

    • Monday Night

      Monday Night:S wind 6 to 8 kt. Partly cloudy. Seas 1 ft or less.

      S 8kt
      < 1ft

    • Tuesday

      Tuesday:S wind 7 to 12 kt. A chance of showers and thunderstorms after 2pm. Seas 1 ft or less.

      S 12kt
      < 1ft

    • Tuesday Night

      Tuesday Night:SSW wind 12 to 14 kt, with gusts as high as 21 kt. A chance of showers and thunderstorms before 8pm, then showers and possibly a thunderstorm between 8pm and 2am, then showers after 2am. Seas 1 ft or less.

      SSW 14kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 3:14 pm EDT Jul 17, 2026
Forecast Valid: 4pm EDT Jul 17, 2026-6pm EDT Jul 24, 2026

View Nearby Observations

Detailed Forecast


Tonight
Variable winds 5 kt or less. Widespread smoke, mainly after 8pm. Seas 1 ft or less.
Saturday
SSW wind 8 to 12 kt, with gusts as high as 20 kt. Showers likely, then showers and possibly a thunderstorm after 2pm. Widespread smoke, mainly before 2pm. Seas 1 ft or less.
Saturday Night
SSW wind around 13 kt becoming WSW after midnight. Winds could gust as high as 20 kt. Showers and possibly a thunderstorm, mainly before 2am. Patchy smoke before 8pm. Seas 1 ft or less.
Sunday
NW wind 9 to 12 kt. Partly sunny, then gradually becoming sunny. Seas 1 ft or less.
Sunday Night
NW wind 5 to 7 kt becoming N after midnight. Mostly clear. Seas 1 ft or less.
Monday
Variable winds 5 kt or less. Sunny. Seas 1 ft or less.
Monday Night
S wind 6 to 8 kt. Partly cloudy. Seas 1 ft or less.
Tuesday
S wind 7 to 12 kt. A chance of showers and thunderstorms after 2pm. Seas 1 ft or less.
Tuesday Night
SSW wind 12 to 14 kt, with gusts as high as 21 kt. A chance of showers and thunderstorms before 8pm, then showers and possibly a thunderstorm between 8pm and 2am, then showers after 2am. 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: 3:14 pm EDT Jul 17, 2026
Forecast Valid: 4pm EDT Jul 17, 2026-6pm EDT Jul 24, 2026
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