For More Weather Information:

New York, NY Local Forecast Office

18NM WSW Islip NY

Marine Point Forecast

[NOTICE]
    • Today

      Today:WSW wind 15 to 19 kt. A chance of flurries after 1pm.   Seas 1 ft or less.

      WSW 19kt
      < 1ft

    • Tonight

      Tonight:W wind around 16 kt. Mostly clear. Seas 1 ft or less.

      W 16kt
      < 1ft

    • Wednesday

      Wednesday:WNW wind 9 to 13 kt. Mostly sunny. Seas 1 ft or less.

      WNW 13kt
      < 1ft

    • Wednesday Night

      Wednesday Night:W wind 10 to 12 kt. Mostly cloudy. Seas 1 ft or less.

      W 12kt
      < 1ft

    • Thursday

      Thursday:WNW wind 12 to 14 kt. Mostly sunny. Seas 1 ft or less.

      WNW 14kt
      < 1ft

    • Thursday Night

      Thursday Night:WNW wind 13 to 15 kt. Mostly clear. Seas 1 ft or less.

      WNW 15kt
      < 1ft

    • Friday

      Friday:WNW wind around 13 kt. Mostly sunny. Seas 1 ft or less.

      WNW 13kt
      < 1ft

    • Friday Night

      Friday Night:NW wind 10 to 12 kt. Partly cloudy. Seas 1 ft or less.

      NW 12kt
      < 1ft

    • Saturday

      Saturday:N wind 10 to 12 kt. Partly sunny. Seas 1 ft or less.

      N 12kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 8:57 am EST Jan 27, 2026
Forecast Valid: 11am EST Jan 27, 2026-6pm EST Feb 2, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

Today
WSW wind 15 to 19 kt. A chance of flurries after 1pm. Seas 1 ft or less.
Tonight
W wind around 16 kt. Mostly clear. Seas 1 ft or less.
Wednesday
WNW wind 9 to 13 kt. Mostly sunny. Seas 1 ft or less.
Wednesday Night
W wind 10 to 12 kt. Mostly cloudy. Seas 1 ft or less.
Thursday
WNW wind 12 to 14 kt. Mostly sunny. Seas 1 ft or less.
Thursday Night
WNW wind 13 to 15 kt. Mostly clear. Seas 1 ft or less.
Friday
WNW wind around 13 kt. Mostly sunny. Seas 1 ft or less.
Friday Night
NW wind 10 to 12 kt. Partly cloudy. Seas 1 ft or less.
Saturday
N wind 10 to 12 kt. Partly sunny. Seas 1 ft or less.

*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: 40.62°N 73.59°W
Last Update: 8:57 am EST Jan 27, 2026
Forecast Valid: 11am EST Jan 27, 2026-6pm EST Feb 2, 2026
  Forecast Discussion
  Get as KML Get as XML

RADAR & SATELLITE IMAGES

 Link to Satellite Data