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

15NM SW Islip NY

Marine Point Forecast

[NOTICE]

    • Today

      Today:ENE wind 8 to 13 kt. Rain, mainly before 4pm. Patchy fog. Seas around 3 ft.

      ENE 13kt
      3ft

    • Tonight

      Tonight:ENE wind 16 to 18 kt, with gusts as high as 24 kt. Rain, mainly before 4am. Patchy fog. Seas 3 to 4 ft.

      ENE 18kt
      3-4ft

      Small Craft Advisory
      Small Craft Advisory

    • Friday

      Friday:NE wind 13 to 16 kt decreasing to 10 to 13 kt in the afternoon. Winds could gust as high as 25 kt. A slight chance of rain before 1pm. Patchy fog before 10am. Seas around 4 ft.

      NE 16kt⇓
      4ft

      Small Craft Advisory
      Small Craft Advisory

    • Friday Night

      Friday Night:ENE wind 5 to 10 kt. A chance of rain after 1am. Seas around 4 ft.

      ENE 10kt
      4ft

    • Saturday

      Saturday:ESE wind 5 to 8 kt becoming S 8 to 11 kt in the afternoon. Cloudy. Seas around 4 ft.

      ⇑S 11kt
      4ft

    • Saturday Night

      Saturday Night:SSW wind 16 to 20 kt. Showers likely. Seas 4 to 5 ft.

      SSW 20kt
      4-5ft

    • Sunday

      Sunday:W wind 9 to 14 kt. A chance of rain before 1pm. Seas around 4 ft.

      W 14kt
      4ft

    • Sunday Night

      Sunday Night:W wind around 9 kt becoming SW in the evening. Partly cloudy. Seas around 3 ft.

      W 9kt
      3ft

    • Monday

      Monday:WSW wind 9 to 12 kt becoming SSW in the afternoon. Mostly sunny. Seas around 3 ft.

      SSW 12kt
      3ft


Associated Zone Forecast which includes this point

Last Update: 6:25 am EST Mar 5, 2026
Forecast Valid: 11am EST Mar 5, 2026-6pm EDT Mar 11, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH

Today
ENE wind 8 to 13 kt. Rain, mainly before 4pm. Patchy fog. Seas around 3 ft.
Tonight
ENE wind 16 to 18 kt, with gusts as high as 24 kt. Rain, mainly before 4am. Patchy fog. Seas 3 to 4 ft.
Friday
NE wind 13 to 16 kt decreasing to 10 to 13 kt in the afternoon. Winds could gust as high as 25 kt. A slight chance of rain before 1pm. Patchy fog before 10am. Seas around 4 ft.
Friday Night
ENE wind 5 to 10 kt. A chance of rain after 1am. Seas around 4 ft.
Saturday
ESE wind 5 to 8 kt becoming S 8 to 11 kt in the afternoon. Cloudy. Seas around 4 ft.
Saturday Night
SSW wind 16 to 20 kt. Showers likely. Seas 4 to 5 ft.
Sunday
W wind 9 to 14 kt. A chance of rain before 1pm. Seas around 4 ft.
Sunday Night
W wind around 9 kt becoming SW in the evening. Partly cloudy. Seas around 3 ft.
Monday
WSW wind 9 to 12 kt becoming SSW in the afternoon. Mostly sunny. Seas around 3 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: 40.53°N 73.44°W
Last Update: 6:25 am EST Mar 5, 2026
Forecast Valid: 11am EST Mar 5, 2026-6pm EDT Mar 11, 2026
  Forecast Discussion
  Get as KML Get as XML

RADAR & SATELLITE IMAGES

 Link to Satellite Data