National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

For More Weather Information:

New York, NY Local Forecast Office

12NM NW Islip NY

Marine Point Forecast

[NOTICE]

    • Today

      Today:Variable winds less than 5 kt becoming WNW around 6 kt in the afternoon. A slight chance of showers after 2pm. Seas 1 ft or less.

      ⇑WNW 6kt
      < 1ft

    • Tonight

      Tonight:Variable winds 5 kt or less. Partly cloudy. Seas 1 ft or less.

      Light Wind
      < 1ft

    • Monday

      Monday:Variable winds less than 5 kt becoming SE 6 to 11 kt in the morning. A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Seas 1 ft or less.

      ⇑SE 11kt
      < 1ft

    • Monday Night

      Monday Night:S wind 9 to 12 kt becoming SW after midnight. Winds could gust as high as 20 kt. Showers and possibly a thunderstorm. Seas 1 ft or less.

      S 12kt
      < 1ft

    • Tuesday

      Tuesday:N wind around 7 kt. A chance of showers. Seas 1 ft or less.

      N 7kt
      < 1ft

    • Tuesday Night

      Tuesday Night:Variable winds less than 5 kt becoming NW 5 to 7 kt in the evening. Partly cloudy. Seas 1 ft or less.

      ⇑NW 7kt
      < 1ft

    • Wednesday

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

      Light Wind
      < 1ft

    • Wednesday Night

      Wednesday Night:Variable winds 5 kt or less. Mostly clear. Seas 1 ft or less.

      Light Wind
      < 1ft

    • Thursday

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

      ⇑S 7kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 2:19 am EDT Jun 21, 2026
Forecast Valid: 8am EDT Jun 21, 2026-6pm EDT Jun 27, 2026

View Nearby Observations

Detailed Forecast


Today
Variable winds less than 5 kt becoming WNW around 6 kt in the afternoon. A slight chance of showers after 2pm. Seas 1 ft or less.
Tonight
Variable winds 5 kt or less. Partly cloudy. Seas 1 ft or less.
Monday
Variable winds less than 5 kt becoming SE 6 to 11 kt in the morning. A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Seas 1 ft or less.
Monday Night
S wind 9 to 12 kt becoming SW after midnight. Winds could gust as high as 20 kt. Showers and possibly a thunderstorm. Seas 1 ft or less.
Tuesday
N wind around 7 kt. A chance of showers. Seas 1 ft or less.
Tuesday Night
Variable winds less than 5 kt becoming NW 5 to 7 kt in the evening. Partly cloudy. Seas 1 ft or less.
Wednesday
Variable winds 5 kt or less. Sunny. Seas 1 ft or less.
Wednesday Night
Variable winds 5 kt or less. Mostly clear. Seas 1 ft or less.
Thursday
Variable winds less than 5 kt becoming S 5 to 7 kt in the afternoon. Sunny. 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...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

Point Forecast: 40.91°N 73.39°W
Last Update: 2:19 am EDT Jun 21, 2026
Forecast Valid: 8am EDT Jun 21, 2026-6pm EDT Jun 27, 2026
  Forecast Discussion
  Get as KML Get as XML

RADAR & SATELLITE IMAGES

 Link to Satellite Data