For More Weather Information:

New York, NY Local Forecast Office

19NM WSW Islip NY

Marine Point Forecast

[NOTICE]
    • Today

      Today:WNW wind 13 to 16 kt, with gusts as high as 25 kt. Widespread dense fog, mainly before 10am.  Seas 3 ft building to 5 ft.

      WNW 16kt
      Waves Building5ft

      Small Craft Advisory
      Small Craft Advisory

    • Tonight

      Tonight:WNW wind 11 to 14 kt. Partly cloudy. Seas 3 to 4 ft.

      WNW 14kt
      3-4ft

      Small Craft Advisory
      Small Craft Advisory

    • Thursday

      Thursday:WNW wind 5 to 10 kt. Sunny. Seas around 2 ft.

      WNW 10kt
      2ft

    • Thursday Night

      Thursday Night:Variable winds less than 5 kt becoming SSW 5 to 7 kt in the evening. Increasing clouds. Seas 1 to 2 ft.

      ⇑SSW 7kt
      1-2ft

    • Friday

      Friday:S wind 10 to 13 kt increasing to 13 to 16 kt in the afternoon. A chance of rain, mainly after 1pm.   Seas 1 ft building to 3 ft.

      ⇑S 16kt
      Waves Building3ft

    • Friday Night

      Friday Night:SSW wind 12 to 17 kt, with gusts as high as 23 kt. A chance of rain.   Seas 3 to 4 ft.

      SSW 17kt
      3-4ft

    • Saturday

      Saturday:S wind 10 to 13 kt becoming SE 13 to 16 kt in the afternoon. Rain.   Seas around 3 ft.

      ⇑SE 16kt
      3ft

    • Saturday Night

      Saturday Night:S wind around 18 kt becoming SW after midnight. Rain.   Seas 3 to 4 ft.

      S 18kt
      3-4ft

    • Sunday

      Sunday:W wind 16 to 19 kt increasing to 19 to 22 kt in the afternoon. Winds could gust as high as 30 kt. A chance of showers.   Seas around 4 ft.

      ⇑W 22kt
      4ft


Associated Zone Forecast which includes this point

Last Update: 8:37 am EST Jan 7, 2026
Forecast Valid: 9am EST Jan 7, 2026-6pm EST Jan 13, 2026

View Nearby Observations

Detailed Forecast

...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM EST THIS MORNING...

Today
WNW wind 13 to 16 kt, with gusts as high as 25 kt. Widespread dense fog, mainly before 10am. Seas 3 ft building to 5 ft.
Tonight
WNW wind 11 to 14 kt. Partly cloudy. Seas 3 to 4 ft.
Thursday
WNW wind 5 to 10 kt. Sunny. Seas around 2 ft.
Thursday Night
Variable winds less than 5 kt becoming SSW 5 to 7 kt in the evening. Increasing clouds. Seas 1 to 2 ft.
Friday
S wind 10 to 13 kt increasing to 13 to 16 kt in the afternoon. A chance of rain, mainly after 1pm. Seas 1 ft building to 3 ft.
Friday Night
SSW wind 12 to 17 kt, with gusts as high as 23 kt. A chance of rain. Seas 3 to 4 ft.
Saturday
S wind 10 to 13 kt becoming SE 13 to 16 kt in the afternoon. Rain. Seas around 3 ft.
Saturday Night
S wind around 18 kt becoming SW after midnight. Rain. Seas 3 to 4 ft.
Sunday
W wind 16 to 19 kt increasing to 19 to 22 kt in the afternoon. Winds could gust as high as 30 kt. A chance of showers. Seas around 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: 8:37 am EST Jan 7, 2026
Forecast Valid: 9am EST Jan 7, 2026-6pm EST Jan 13, 2026
  Forecast Discussion
  Get as KML Get as XML

RADAR & SATELLITE IMAGES

 Link to Satellite Data