For More Weather Information:

New York, NY Local Forecast Office

12NM NW Islip NY

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:SW wind around 7 kt. Mostly cloudy. Seas 1 ft or less.

      SW 7kt
      < 1ft

    • Wednesday

      Wednesday:WSW wind 7 to 9 kt. A slight chance of showers and thunderstorms after 5pm.   Seas 1 ft or less.

      WSW 9kt
      < 1ft

    • Wednesday Night

      Wednesday Night:W wind around 7 kt becoming NNW after midnight. A slight chance of showers and thunderstorms before 11pm.   Seas 1 ft or less.

      W 7kt
      < 1ft

    • Thursday

      Thursday:NNW wind 7 to 10 kt. Mostly sunny. Seas 1 ft or less.

      NNW 10kt
      < 1ft

    • Thursday Night

      Thursday Night:NNW wind 5 to 10 kt. Mostly clear. Seas 1 ft or less.

      NNW 10kt
      < 1ft

    • Friday

      Friday:Variable winds less than 5 kt becoming W 5 to 7 kt in the morning. Mostly sunny. Seas 1 ft or less.

      ⇑W 7kt
      < 1ft

    • Friday Night

      Friday Night:S wind 7 to 9 kt becoming W after midnight. Mostly cloudy. Seas 1 ft or less.

      S 9kt
      < 1ft

    • Saturday

      Saturday:NNW wind 10 to 12 kt. A chance of showers.   Seas 1 ft or less.

      NNW 12kt
      < 1ft

    • Saturday Night

      Saturday Night:NNW wind 8 to 12 kt. Partly cloudy. Seas 1 ft or less.

      NNW 12kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 2:20 pm EDT May 26, 2026
Forecast Valid: 4pm EDT May 26, 2026-6pm EDT Jun 2, 2026

View Nearby Observations

Detailed Forecast


Tonight
SW wind around 7 kt. Mostly cloudy. Seas 1 ft or less.
Wednesday
WSW wind 7 to 9 kt. A slight chance of showers and thunderstorms after 5pm. Seas 1 ft or less.
Wednesday Night
W wind around 7 kt becoming NNW after midnight. A slight chance of showers and thunderstorms before 11pm. Seas 1 ft or less.
Thursday
NNW wind 7 to 10 kt. Mostly sunny. Seas 1 ft or less.
Thursday Night
NNW wind 5 to 10 kt. Mostly clear. Seas 1 ft or less.
Friday
Variable winds less than 5 kt becoming W 5 to 7 kt in the morning. Mostly sunny. Seas 1 ft or less.
Friday Night
S wind 7 to 9 kt becoming W after midnight. Mostly cloudy. Seas 1 ft or less.
Saturday
NNW wind 10 to 12 kt. A chance of showers. Seas 1 ft or less.
Saturday Night
NNW wind 8 to 12 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 May 26, 2026
Forecast Valid: 4pm EDT May 26, 2026-6pm EDT Jun 2, 2026
  Forecast Discussion
  Get as KML Get as XML

RADAR & SATELLITE IMAGES

 Link to Satellite Data