For More Weather Information:

New York, NY Local Forecast Office

15NM SW Islip NY

Marine Point Forecast

[NOTICE]
    • Friday

      Friday:NE wind 5 to 7 kt becoming variable and less than 5 kt in the morning. Sunny. Seas 2 to 3 ft.

      NE 7kt⇓
      2-3ft

    • Friday Night

      Friday Night:S wind around 7 kt. Mostly clear. Seas around 2 ft.

      S 7kt
      2ft

    • Saturday

      Saturday:SSW wind 6 to 8 kt. Mostly sunny. Seas around 2 ft.

      SSW 8kt
      2ft

    • Saturday Night

      Saturday Night:SW wind 5 to 8 kt becoming N after midnight. Mostly cloudy. Seas around 2 ft.

      N 8kt
      2ft

    • Sunday

      Sunday:NNE wind 10 to 13 kt becoming NNW in the afternoon. Scattered snow showers before 1pm.   Seas 2 to 3 ft.

      NNW 13kt
      2-3ft

    • Sunday Night

      Sunday Night:N wind 15 to 17 kt, with gusts as high as 23 kt. Partly cloudy. Seas 2 to 3 ft.

      N 17kt
      2-3ft

    • Monday

      Monday:N wind 9 to 14 kt. Mostly cloudy. Seas around 2 ft.

      N 14kt
      2ft

    • Monday Night

      Monday Night:NNE wind around 9 kt becoming ENE after midnight. Mostly cloudy. Seas around 2 ft.

      NE 9kt
      2ft

    • Tuesday

      Tuesday:E wind around 12 kt becoming SSE in the afternoon. A chance of rain.   Seas around 2 ft.

      SE 12kt
      2ft


Associated Zone Forecast which includes this point

Last Update: 12:50 am EST Feb 27, 2026
Forecast Valid: 4am EST Feb 27, 2026-6pm EST Mar 5, 2026

View Nearby Observations

Detailed Forecast


Friday
NE wind 5 to 7 kt becoming variable and less than 5 kt in the morning. Sunny. Seas 2 to 3 ft.
Friday Night
S wind around 7 kt. Mostly clear. Seas around 2 ft.
Saturday
SSW wind 6 to 8 kt. Mostly sunny. Seas around 2 ft.
Saturday Night
SW wind 5 to 8 kt becoming N after midnight. Mostly cloudy. Seas around 2 ft.
Sunday
NNE wind 10 to 13 kt becoming NNW in the afternoon. Scattered snow showers before 1pm. Seas 2 to 3 ft.
Sunday Night
N wind 15 to 17 kt, with gusts as high as 23 kt. Partly cloudy. Seas 2 to 3 ft.
Monday
N wind 9 to 14 kt. Mostly cloudy. Seas around 2 ft.
Monday Night
NNE wind around 9 kt becoming ENE after midnight. Mostly cloudy. Seas around 2 ft.
Tuesday
E wind around 12 kt becoming SSE in the afternoon. A chance of rain. Seas around 2 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: 40.53°N 73.44°W
Last Update: 12:50 am EST Feb 27, 2026
Forecast Valid: 4am EST Feb 27, 2026-6pm EST Mar 5, 2026
  Forecast Discussion
  Get as KML Get as XML

RADAR & SATELLITE IMAGES

 Link to Satellite Data