For More Weather Information:

New York, NY Local Forecast Office

15NM SW Islip NY

Marine Point Forecast

[NOTICE]
    • This Afternoon

      This Afternoon:N wind around 9 kt. Partly sunny. Seas around 1 ft.

      N 9kt
      1ft

    • Tonight

      Tonight:NNE wind 14 to 19 kt increasing to 22 to 27 kt. Widespread freezing spray after 10pm. Mostly cloudy. Seas 1 ft building to 4 ft.

      ⇑NNE 27kt
      Waves Building4ft

      Gale Warning
      Gale Warning

    • Sunday

      Sunday:NNW wind 25 to 28 kt, with gusts as high as 35 kt. Widespread freezing spray. Cloudy. Seas around 5 ft.

      NNW 28kt
      5ft

      Gale Warning
      Gale Warning

    • Sunday Night

      Sunday Night:NNW wind 22 to 25 kt decreasing to 19 to 22 kt after midnight. Widespread freezing spray before 1am. Mostly cloudy. Seas around 5 ft.

      NNW 25kt⇓
      5ft

      Gale Warning
      Gale Warning

    • Monday

      Monday:NW wind 15 to 17 kt. Mostly sunny. Seas 4 to 5 ft.

      NW 17kt
      4-5ft

    • Monday Night

      Monday Night:NW wind 11 to 14 kt. Mostly clear. Seas 3 to 4 ft.

      NW 14kt
      3-4ft

    • Tuesday

      Tuesday:NW wind 9 to 12 kt becoming W in the afternoon. Sunny. Seas 2 to 3 ft.

      W 12kt
      2-3ft

    • Tuesday Night

      Tuesday Night:W wind 8 to 13 kt. Mostly cloudy. Seas around 2 ft.

      W 13kt
      2ft

    • Wednesday

      Wednesday:NW wind 8 to 11 kt. Partly sunny. Seas around 2 ft.

      NW 11kt
      2ft


Associated Zone Forecast which includes this point

Last Update: 1:05 pm EST Jan 31, 2026
Forecast Valid: 3pm EST Jan 31, 2026-6pm EST Feb 7, 2026

View Nearby Observations

Detailed Forecast

...FREEZING SPRAY ADVISORY IN EFFECT FROM 10 PM EST THIS EVENING

This Afternoon
N wind around 9 kt. Partly sunny. Seas around 1 ft.
Tonight
NNE wind 14 to 19 kt increasing to 22 to 27 kt. Widespread freezing spray after 10pm. Mostly cloudy. Seas 1 ft building to 4 ft.
Sunday
NNW wind 25 to 28 kt, with gusts as high as 35 kt. Widespread freezing spray. Cloudy. Seas around 5 ft.
Sunday Night
NNW wind 22 to 25 kt decreasing to 19 to 22 kt after midnight. Widespread freezing spray before 1am. Mostly cloudy. Seas around 5 ft.
Monday
NW wind 15 to 17 kt. Mostly sunny. Seas 4 to 5 ft.
Monday Night
NW wind 11 to 14 kt. Mostly clear. Seas 3 to 4 ft.
Tuesday
NW wind 9 to 12 kt becoming W in the afternoon. Sunny. Seas 2 to 3 ft.
Tuesday Night
W wind 8 to 13 kt. Mostly cloudy. Seas around 2 ft.
Wednesday
NW wind 8 to 11 kt. Partly sunny. 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...

ABOUT THIS FORECAST

Point Forecast: 40.53°N 73.44°W
Last Update: 1:05 pm EST Jan 31, 2026
Forecast Valid: 3pm EST Jan 31, 2026-6pm EST Feb 7, 2026
  Forecast Discussion
  Get as KML Get as XML

RADAR & SATELLITE IMAGES

 Link to Satellite Data