For More Weather Information:

New York, NY Local Forecast Office

15NM SW Islip NY

Marine Point Forecast

[NOTICE]
    • Wednesday

      Wednesday:N wind 5 to 7 kt becoming S in the afternoon. Sunny. Seas around 2 ft.

      S 7kt
      2ft

    • Wednesday Night

      Wednesday Night:S wind 5 to 8 kt becoming variable and less than 5 kt after midnight. Mostly clear. Seas around 2 ft.

      S 8kt⇓
      2ft

    • Thursday

      Thursday:WSW wind 5 to 8 kt becoming S 9 to 12 kt in the afternoon. Sunny. Seas around 2 ft.

      ⇑S 12kt
      2ft

    • Thursday Night

      Thursday Night:SSW wind 12 to 15 kt becoming WSW 9 to 12 kt after midnight. Partly cloudy. Seas around 3 ft.

      SSW 15kt⇓
      3ft

    • Friday

      Friday:W wind 6 to 9 kt becoming SSW 10 to 13 kt in the afternoon. Mostly sunny. Seas 2 to 3 ft.

      ⇑SSW 13kt
      2-3ft

    • Friday Night

      Friday Night:SW wind 11 to 15 kt. Partly cloudy. Seas around 4 ft.

      SW 15kt
      4ft

    • Saturday

      Saturday:WSW wind 9 to 12 kt becoming SSW 14 to 17 kt in the afternoon. Mostly sunny. Seas 3 to 4 ft.

      ⇑SSW 17kt
      3-4ft

    • Saturday Night

      Saturday Night:SW wind 16 to 19 kt decreasing to 10 to 13 kt after midnight. A chance of showers.   Seas 4 to 5 ft.

      SW 19kt⇓
      4-5ft

    • Sunday

      Sunday:SW wind 9 to 14 kt becoming S in the afternoon. A chance of showers, then showers likely and possibly a thunderstorm after 2pm.   Seas 3 to 4 ft.

      S 14kt
      3-4ft


Associated Zone Forecast which includes this point

Last Update: 3:06 am EDT Jun 3, 2026
Forecast Valid: 4am EDT Jun 3, 2026-6pm EDT Jun 9, 2026

View Nearby Observations

Detailed Forecast


Wednesday
N wind 5 to 7 kt becoming S in the afternoon. Sunny. Seas around 2 ft.
Wednesday Night
S wind 5 to 8 kt becoming variable and less than 5 kt after midnight. Mostly clear. Seas around 2 ft.
Thursday
WSW wind 5 to 8 kt becoming S 9 to 12 kt in the afternoon. Sunny. Seas around 2 ft.
Thursday Night
SSW wind 12 to 15 kt becoming WSW 9 to 12 kt after midnight. Partly cloudy. Seas around 3 ft.
Friday
W wind 6 to 9 kt becoming SSW 10 to 13 kt in the afternoon. Mostly sunny. Seas 2 to 3 ft.
Friday Night
SW wind 11 to 15 kt. Partly cloudy. Seas around 4 ft.
Saturday
WSW wind 9 to 12 kt becoming SSW 14 to 17 kt in the afternoon. Mostly sunny. Seas 3 to 4 ft.
Saturday Night
SW wind 16 to 19 kt decreasing to 10 to 13 kt after midnight. A chance of showers. Seas 4 to 5 ft.
Sunday
SW wind 9 to 14 kt becoming S in the afternoon. A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Seas 3 to 4 ft.

Winds and seas may be higher in and near tstms.

*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: 3:06 am EDT Jun 3, 2026
Forecast Valid: 4am EDT Jun 3, 2026-6pm EDT Jun 9, 2026
  Forecast Discussion
  Get as KML Get as XML

RADAR & SATELLITE IMAGES

 Link to Satellite Data