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 SE 5 to 9 kt in the morning. Showers likely and possibly a thunderstorm, mainly after 2pm. Seas 1 ft or less.

      ⇑SE 9kt
      < 1ft

    • Tonight

      Tonight:S wind 9 to 11 kt. Showers and possibly a thunderstorm. Seas around 1 ft.

      S 11kt
      1ft

    • Tuesday

      Tuesday:SW wind around 7 kt becoming NNW in the afternoon. Showers likely and possibly a thunderstorm before 2pm, then a chance of showers. Seas around 1 ft.

      NNW 7kt
      1ft

    • Tuesday Night

      Tuesday Night:NNW wind 6 to 8 kt. Partly cloudy. Seas around 1 ft.

      NNW 8kt
      1ft

    • Wednesday

      Wednesday:WNW wind around 6 kt. Sunny. Seas 1 ft or less.

      WNW 6kt
      < 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. Mostly sunny. Seas 1 ft or less.

      ⇑S 7kt
      < 1ft

    • Thursday Night

      Thursday Night:S wind 8 to 10 kt. A chance of showers, then showers likely and possibly a thunderstorm after 2am. Seas around 1 ft.

      S 10kt
      1ft

    • Friday

      Friday:SSW wind 7 to 9 kt. Showers likely and possibly a thunderstorm before 8am, then a chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Seas around 1 ft.

      SSW 9kt
      1ft


Associated Zone Forecast which includes this point

Last Update: 7:08 am EDT Jun 22, 2026
Forecast Valid: 8am EDT Jun 22, 2026-6pm EDT Jun 28, 2026

View Nearby Observations

Detailed Forecast


Today
Variable winds less than 5 kt becoming SE 5 to 9 kt in the morning. Showers likely and possibly a thunderstorm, mainly after 2pm. Seas 1 ft or less.
Tonight
S wind 9 to 11 kt. Showers and possibly a thunderstorm. Seas around 1 ft.
Tuesday
SW wind around 7 kt becoming NNW in the afternoon. Showers likely and possibly a thunderstorm before 2pm, then a chance of showers. Seas around 1 ft.
Tuesday Night
NNW wind 6 to 8 kt. Partly cloudy. Seas around 1 ft.
Wednesday
WNW wind around 6 kt. 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. Mostly sunny. Seas 1 ft or less.
Thursday Night
S wind 8 to 10 kt. A chance of showers, then showers likely and possibly a thunderstorm after 2am. Seas around 1 ft.
Friday
SSW wind 7 to 9 kt. Showers likely and possibly a thunderstorm before 8am, then a chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Seas around 1 ft.

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: 7:08 am EDT Jun 22, 2026
Forecast Valid: 8am EDT Jun 22, 2026-6pm EDT Jun 28, 2026
  Forecast Discussion
  Get as KML Get as XML

RADAR & SATELLITE IMAGES

 Link to Satellite Data