For More Weather Information:

New York, NY Local Forecast Office

12NM NW Islip NY

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:W wind 6 to 11 kt becoming N after midnight. A slight chance of showers and thunderstorms before 8pm.  Widespread smoke, mainly between 8pm and 5am.  Seas 1 ft or less.

      W 11kt
      < 1ft

    • Friday

      Friday:Variable winds 5 kt or less. Areas of smoke before 1pm.  Seas 1 ft or less.

      Light Wind
      < 1ft

    • Friday Night

      Friday Night:SSW wind around 6 kt. Patchy smoke after 7pm.  Seas 1 ft or less.

      SSW 6kt
      < 1ft

    • Saturday

      Saturday:SSW wind 6 to 9 kt increasing to 11 to 14 kt in the afternoon. Winds could gust as high as 20 kt. A chance of showers, then showers and possibly a thunderstorm after 2pm.   Seas 1 ft or less.

      ⇑SSW 14kt
      < 1ft

    • Saturday Night

      Saturday Night:SSW wind 13 to 15 kt becoming WSW after midnight. Winds could gust as high as 21 kt. Showers and possibly a thunderstorm before 2am, then a chance of showers.   Seas 1 ft or less.

      SW 15kt
      < 1ft

    • Sunday

      Sunday:NW wind 9 to 11 kt. A chance of showers before 8am.   Seas 1 ft or less.

      NW 11kt
      < 1ft

    • Sunday Night

      Sunday Night:N wind around 7 kt. Mostly clear. Seas 1 ft or less.

      N 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 5 to 8 kt. Partly cloudy. Seas 1 ft or less.

      S 8kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 2:20 pm EDT Jul 16, 2026
Forecast Valid: 6pm EDT Jul 16, 2026-6pm EDT Jul 23, 2026

View Nearby Observations

Detailed Forecast


Tonight
W wind 6 to 11 kt becoming N after midnight. A slight chance of showers and thunderstorms before 8pm. Widespread smoke, mainly between 8pm and 5am. Seas 1 ft or less.
Friday
Variable winds 5 kt or less. Areas of smoke before 1pm. Seas 1 ft or less.
Friday Night
SSW wind around 6 kt. Patchy smoke after 7pm. Seas 1 ft or less.
Saturday
SSW wind 6 to 9 kt increasing to 11 to 14 kt in the afternoon. Winds could gust as high as 20 kt. A chance of showers, then showers and possibly a thunderstorm after 2pm. Seas 1 ft or less.
Saturday Night
SSW wind 13 to 15 kt becoming WSW after midnight. Winds could gust as high as 21 kt. Showers and possibly a thunderstorm before 2am, then a chance of showers. Seas 1 ft or less.
Sunday
NW wind 9 to 11 kt. A chance of showers before 8am. Seas 1 ft or less.
Sunday Night
N wind around 7 kt. Mostly clear. Seas 1 ft or less.
Monday
Variable winds 5 kt or less. Sunny. Seas 1 ft or less.
Monday Night
S wind 5 to 8 kt. 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.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

Point Forecast: 40.91°N 73.39°W
Last Update: 2:20 pm EDT Jul 16, 2026
Forecast Valid: 6pm EDT Jul 16, 2026-6pm EDT Jul 23, 2026
  Forecast Discussion
  Get as KML Get as XML

RADAR & SATELLITE IMAGES

 Link to Satellite Data