For More Weather Information:

New York, NY Local Forecast Office

12NM NW Islip NY

Marine Point Forecast

[NOTICE]
    • This Afternoon

      This Afternoon:NNE wind around 8 kt. Mostly sunny. Seas around 1 ft.

      NNE 8kt
      1ft

    • Tonight

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

      Light Wind
      < 1ft

    • Tuesday

      Tuesday:Variable winds 5 kt or less. Mostly sunny. Seas 1 ft or less.

      Light Wind
      < 1ft

    • Tuesday Night

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

      Light Wind
      < 1ft

    • Wednesday

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

      Light Wind
      < 1ft

    • Wednesday Night

      Wednesday Night:SSW wind 5 to 8 kt becoming W after midnight. Partly cloudy. Seas around 1 ft.

      SSW 8kt
      1ft

    • Thursday

      Thursday:Variable winds 5 kt or less. A chance of showers after 2pm.   Seas 1 ft or less.

      Light Wind
      < 1ft

    • Thursday Night

      Thursday Night:Variable winds 5 kt or less. A chance of showers.   Seas 1 ft or less.

      Light Wind
      < 1ft

    • Friday

      Friday:NNE wind 5 to 7 kt becoming ENE in the afternoon. Mostly sunny. Seas around 1 ft.

      NE 7kt
      1ft


Associated Zone Forecast which includes this point

Last Update: 11:37 am EDT Aug 17, 2026
Forecast Valid: 1pm EDT Aug 17, 2026-6pm EDT Aug 23, 2026

View Nearby Observations

Detailed Forecast


This Afternoon
NNE wind around 8 kt. Mostly sunny. Seas around 1 ft.
Tonight
Variable winds 5 kt or less. Mostly cloudy. Seas 1 ft or less.
Tuesday
Variable winds 5 kt or less. Mostly sunny. Seas 1 ft or less.
Tuesday Night
Variable winds 5 kt or less. Mostly clear. Seas 1 ft or less.
Wednesday
Variable winds 5 kt or less. Sunny. Seas 1 ft or less.
Wednesday Night
SSW wind 5 to 8 kt becoming W after midnight. Partly cloudy. Seas around 1 ft.
Thursday
Variable winds 5 kt or less. A chance of showers after 2pm. Seas 1 ft or less.
Thursday Night
Variable winds 5 kt or less. A chance of showers. Seas 1 ft or less.
Friday
NNE wind 5 to 7 kt becoming ENE in the afternoon. Mostly sunny. Seas around 1 ft.

*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: 11:37 am EDT Aug 17, 2026
Forecast Valid: 1pm EDT Aug 17, 2026-6pm EDT Aug 23, 2026
  Forecast Discussion
  Get as KML Get as XML

RADAR & SATELLITE IMAGES

 Link to Satellite Data