For More Weather Information:

New York, NY Local Forecast Office

7NM S Islip NY

Marine Point Forecast

[NOTICE]
    • This Afternoon

      This Afternoon:NNW wind around 11 kt. Partly sunny. Seas around 1 ft.

      NNW 11kt
      1ft

    • Tonight

      Tonight:N wind 6 to 11 kt. Partly cloudy. Seas 1 to 2 ft.

      N 11kt
      1-2ft

    • Sunday

      Sunday:Variable winds less than 5 kt becoming WSW 7 to 12 kt in the morning. Mostly sunny. Seas around 2 ft.

      ⇑WSW 12kt
      2ft

    • Sunday Night

      Sunday Night:WNW wind 13 to 16 kt increasing to 18 to 21 kt after midnight. Mostly clear. Seas 2 to 3 ft.

      ⇑WNW 21kt
      2-3ft

      Small Craft Advisory
      Small Craft Advisory

    • Monday

      Monday:NW wind 16 to 20 kt. Sunny. Seas 2 to 3 ft.

      NW 20kt
      2-3ft

      Small Craft Advisory
      Small Craft Advisory

    • Monday Night

      Monday Night:NW wind 6 to 9 kt becoming W after midnight. Increasing clouds. Seas 1 to 2 ft.

      NW 9kt
      1-2ft

    • Tuesday

      Tuesday:SSW wind 9 to 12 kt increasing to 12 to 15 kt in the afternoon. A chance of rain after 1pm.   Seas 1 ft building to 3 ft.

      ⇑SSW 15kt
      Waves Building3ft

    • Tuesday Night

      Tuesday Night:S wind 13 to 17 kt becoming SW after midnight. Rain.   Seas 3 to 4 ft.

      SSW 17kt
      3-4ft

    • Wednesday

      Wednesday:SSW wind 11 to 15 kt. A chance of rain.   Seas around 4 ft.

      SSW 15kt
      4ft


Associated Zone Forecast which includes this point

Last Update: 12:52 pm EST Nov 22, 2025
Forecast Valid: 1pm EST Nov 22, 2025-6pm EST Nov 28, 2025

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT FROM LATE SUNDAY NIGHT THROUGH

This Afternoon
NNW wind around 11 kt. Partly sunny. Seas around 1 ft.
Tonight
N wind 6 to 11 kt. Partly cloudy. Seas 1 to 2 ft.
Sunday
Variable winds less than 5 kt becoming WSW 7 to 12 kt in the morning. Mostly sunny. Seas around 2 ft.
Sunday Night
WNW wind 13 to 16 kt increasing to 18 to 21 kt after midnight. Mostly clear. Seas 2 to 3 ft.
Monday
NW wind 16 to 20 kt. Sunny. Seas 2 to 3 ft.
Monday Night
NW wind 6 to 9 kt becoming W after midnight. Increasing clouds. Seas 1 to 2 ft.
Tuesday
SSW wind 9 to 12 kt increasing to 12 to 15 kt in the afternoon. A chance of rain after 1pm. Seas 1 ft building to 3 ft.
Tuesday Night
S wind 13 to 17 kt becoming SW after midnight. Rain. Seas 3 to 4 ft.
Wednesday
SSW wind 11 to 15 kt. A chance of rain. 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: 40.61°N 73.18°W
Last Update: 12:52 pm EST Nov 22, 2025
Forecast Valid: 1pm EST Nov 22, 2025-6pm EST Nov 28, 2025
  Forecast Discussion
  Get as KML Get as XML

RADAR & SATELLITE IMAGES

 Link to Satellite Data