For More Weather Information:

New York, NY Local Forecast Office

12NM NW Islip NY

Marine Point Forecast

[NOTICE]
    • This Afternoon

      This Afternoon:SW wind 9 to 11 kt. Sunny. Seas 1 ft or less.

      SW 11kt
      < 1ft

    • Tonight

      Tonight:SSW wind 6 to 9 kt. Mostly clear. Seas 1 ft or less.

      SSW 9kt
      < 1ft

    • Tuesday

      Tuesday:SW wind 5 to 8 kt. Mostly sunny. Seas 1 ft or less.

      SW 8kt
      < 1ft

    • Tuesday Night

      Tuesday Night:SSW wind around 6 kt becoming variable and less than 5 kt after midnight. Partly cloudy. Seas 1 ft or less.

      SSW 6kt⇓
      < 1ft

    • Wednesday

      Wednesday:Variable winds less than 5 kt becoming S 5 to 9 kt in the morning. Sunny. Seas 1 ft or less.

      ⇑S 9kt
      < 1ft

    • Wednesday Night

      Wednesday Night:SSW wind 5 to 7 kt. Increasing clouds. Seas 1 ft or less.

      SSW 7kt
      < 1ft

    • Thursday

      Thursday:S wind 6 to 10 kt. A chance of showers after 1pm.   Seas 1 ft or less.

      S 10kt
      < 1ft

    • Thursday Night

      Thursday Night:SSW wind 5 to 8 kt. Rain likely and possibly a thunderstorm, then rain after 1am.   Seas 1 ft or less.

      SSW 8kt
      < 1ft

    • Friday

      Friday:Variable winds 5 kt or less. Rain likely.   Seas 1 ft or less.

      Light Wind
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 1:34 pm EST Nov 2, 2026
Forecast Valid: 2pm EST Nov 2, 2026-6pm EST Nov 8, 2026

View Nearby Observations

Detailed Forecast


This Afternoon
SW wind 9 to 11 kt. Sunny. Seas 1 ft or less.
Tonight
SSW wind 6 to 9 kt. Mostly clear. Seas 1 ft or less.
Tuesday
SW wind 5 to 8 kt. Mostly sunny. Seas 1 ft or less.
Tuesday Night
SSW wind around 6 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 9 kt in the morning. Sunny. Seas 1 ft or less.
Wednesday Night
SSW wind 5 to 7 kt. Increasing clouds. Seas 1 ft or less.
Thursday
S wind 6 to 10 kt. A chance of showers after 1pm. Seas 1 ft or less.
Thursday Night
SSW wind 5 to 8 kt. Rain likely and possibly a thunderstorm, then rain after 1am. Seas 1 ft or less.
Friday
Variable winds 5 kt or less. Rain likely. 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: 1:34 pm EST Nov 2, 2026
Forecast Valid: 2pm EST Nov 2, 2026-6pm EST Nov 8, 2026
  Forecast Discussion
  Get as KML Get as XML

RADAR & SATELLITE IMAGES

 Link to Satellite Data