National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

For More Weather Information:

New York, NY Local Forecast Office

16NM WSW Islip NY

Marine Point Forecast

[NOTICE]

    • Wednesday

      Wednesday:SSW wind 17 to 20 kt increasing to 21 to 24 kt in the afternoon. Winds could gust as high as 32 kt. Rain likely, mainly after 4pm. Seas 5 ft building to 8 ft.

      ⇑SSW 24kt
      Waves Building8ft

    • Wednesday Night

      Wednesday Night:SW wind 19 to 22 kt becoming W after midnight. Winds could gust as high as 29 kt. Rain, mainly before 10pm. Seas 8 ft subsiding to 5 ft.

      SW 22kt
      8ftWaves Subsiding

    • Thursday

      Thursday:WNW wind 21 to 24 kt, with gusts as high as 34 kt. Mostly sunny. Seas 4 to 5 ft.

      WNW 24kt
      4-5ft

    • Thursday Night

      Thursday Night:W wind 22 to 27 kt, with gusts as high as 34 kt. Partly cloudy. Seas around 4 ft.

      W 27kt
      4ft

    • Friday

      Friday:W wind 14 to 18 kt, with gusts as high as 26 kt. Mostly sunny. Seas 2 to 3 ft.

      W 18kt
      2-3ft

    • Friday Night

      Friday Night:W wind 10 to 13 kt. A chance of snow after 1am. Seas 1 to 2 ft.

      W 13kt
      1-2ft

    • Saturday

      Saturday:W wind 10 to 13 kt increasing to 13 to 16 kt in the afternoon. Partly sunny. Seas 2 to 3 ft.

      ⇑W 16kt
      2-3ft

    • Saturday Night

      Saturday Night:W wind 13 to 16 kt. A chance of snow. Seas around 3 ft.

      W 16kt
      3ft

    • Sunday

      Sunday:WNW wind 12 to 15 kt increasing to 15 to 18 kt in the afternoon. Winds could gust as high as 24 kt. A chance of snow. Seas around 2 ft.

      ⇑WNW 18kt
      2ft


Associated Zone Forecast which includes this point

Last Update: 2:32 am EST Dec 10, 2025
Forecast Valid: 3am EST Dec 10, 2025-6pm EST Dec 16, 2025

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EST EARLY THIS

Wednesday
SSW wind 17 to 20 kt increasing to 21 to 24 kt in the afternoon. Winds could gust as high as 32 kt. Rain likely, mainly after 4pm. Seas 5 ft building to 8 ft.
Wednesday Night
SW wind 19 to 22 kt becoming W after midnight. Winds could gust as high as 29 kt. Rain, mainly before 10pm. Seas 8 ft subsiding to 5 ft.
Thursday
WNW wind 21 to 24 kt, with gusts as high as 34 kt. Mostly sunny. Seas 4 to 5 ft.
Thursday Night
W wind 22 to 27 kt, with gusts as high as 34 kt. Partly cloudy. Seas around 4 ft.
Friday
W wind 14 to 18 kt, with gusts as high as 26 kt. Mostly sunny. Seas 2 to 3 ft.
Friday Night
W wind 10 to 13 kt. A chance of snow after 1am. Seas 1 to 2 ft.
Saturday
W wind 10 to 13 kt increasing to 13 to 16 kt in the afternoon. Partly sunny. Seas 2 to 3 ft.
Saturday Night
W wind 13 to 16 kt. A chance of snow. Seas around 3 ft.
Sunday
WNW wind 12 to 15 kt increasing to 15 to 18 kt in the afternoon. Winds could gust as high as 24 kt. A chance of snow. 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...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

Point Forecast: 40.59°N 73.51°W
Last Update: 2:32 am EST Dec 10, 2025
Forecast Valid: 3am EST Dec 10, 2025-6pm EST Dec 16, 2025
  Forecast Discussion
  Get as KML Get as XML

RADAR & SATELLITE IMAGES

 Link to Satellite Data