For More Weather Information:

New York, NY Local Forecast Office

19NM WSW Islip NY

Marine Point Forecast

[NOTICE]
    • This Afternoon

      This Afternoon:WSW wind 16 to 18 kt, with gusts as high as 24 kt. Mostly sunny. Seas around 3 ft.

      WSW 18kt
      3ft

      Small Craft Advisory
      Small Craft Advisory

    • Tonight

      Tonight:WSW wind 12 to 16 kt. Mostly clear. Seas 2 to 3 ft.

      WSW 16kt
      2-3ft

    • Tuesday

      Tuesday:W wind around 12 kt becoming SSW in the afternoon. Increasing clouds. Seas around 2 ft.

      WSW 12kt
      2ft

    • Tuesday Night

      Tuesday Night:SSW wind 14 to 16 kt, with gusts as high as 22 kt. Mostly cloudy. Seas 2 ft building to 4 ft.

      SSW 16kt
      Waves Building4ft

    • Wednesday

      Wednesday:SW wind 9 to 12 kt. A slight chance of showers.   Seas 3 to 4 ft.

      SW 12kt
      3-4ft

    • Wednesday Night

      Wednesday Night:SSW wind 5 to 7 kt becoming WNW after midnight. A chance of showers.   Seas 2 to 3 ft.

      SSW 7kt
      2-3ft

    • Thursday

      Thursday:WNW wind 7 to 10 kt increasing to 11 to 14 kt in the afternoon. A chance of rain.   Seas 2 to 3 ft.

      ⇑WNW 14kt
      2-3ft

    • Thursday Night

      Thursday Night:N wind 16 to 20 kt. A chance of snow.   Seas 3 to 4 ft.

      N 20kt
      3-4ft

    • Friday

      Friday:NNW wind 16 to 20 kt becoming W in the afternoon. Partly sunny. Seas 3 to 4 ft.

      NNW 20kt
      3-4ft


Associated Zone Forecast which includes this point

Last Update: 5:36 am EST Jan 12, 2026
Forecast Valid: 12pm EST Jan 12, 2026-6pm EST Jan 18, 2026

View Nearby Observations

Detailed Forecast

...GALE WARNING IN EFFECT UNTIL 6 AM EST EARLY THIS MORNING...

This Afternoon
WSW wind 16 to 18 kt, with gusts as high as 24 kt. Mostly sunny. Seas around 3 ft.
Tonight
WSW wind 12 to 16 kt. Mostly clear. Seas 2 to 3 ft.
Tuesday
W wind around 12 kt becoming SSW in the afternoon. Increasing clouds. Seas around 2 ft.
Tuesday Night
SSW wind 14 to 16 kt, with gusts as high as 22 kt. Mostly cloudy. Seas 2 ft building to 4 ft.
Wednesday
SW wind 9 to 12 kt. A slight chance of showers. Seas 3 to 4 ft.
Wednesday Night
SSW wind 5 to 7 kt becoming WNW after midnight. A chance of showers. Seas 2 to 3 ft.
Thursday
WNW wind 7 to 10 kt increasing to 11 to 14 kt in the afternoon. A chance of rain. Seas 2 to 3 ft.
Thursday Night
N wind 16 to 20 kt. A chance of snow. Seas 3 to 4 ft.
Friday
NNW wind 16 to 20 kt becoming W in the afternoon. Partly sunny. Seas 3 to 4 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: 40.57°N 73.57°W
Last Update: 5:36 am EST Jan 12, 2026
Forecast Valid: 12pm EST Jan 12, 2026-6pm EST Jan 18, 2026
  Forecast Discussion
  Get as KML Get as XML

RADAR & SATELLITE IMAGES

 Link to Satellite Data