For More Weather Information:

New York, NY Local Forecast Office

15NM WSW Islip NY

Marine Point Forecast

[NOTICE]
    • Today

      Today:SSW wind 11 to 16 km/h. A slight chance of showers between 2pm and 5pm, then a slight chance of showers and thunderstorms after 5pm.   Seas 1 m or less.

      SSW 16km/h
      < 1m

    • Tonight

      Tonight:SSW wind 10 to 13 km/h. A chance of showers and thunderstorms, mainly after 8pm.   Seas 1 m or less.

      SSW 13km/h
      < 1m

    • Thursday

      Thursday:S wind 10 to 14 km/h. Showers likely and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms after 2pm.   Seas 1 m or less.

      S 14km/h
      < 1m

    • Thursday Night

      Thursday Night:SSE wind 10 to 13 km/h. A chance of showers and thunderstorms, mainly before 2am.   Seas 1 m or less.

      SSE 13km/h
      < 1m

    • Friday

      Friday:E wind 10 to 13 km/h becoming SE in the afternoon. A chance of showers, with thunderstorms also possible after 2pm.   Seas 1 m or less.

      SE 13km/h
      < 1m

    • Friday Night

      Friday Night:SE wind 5 to 10 km/h becoming E after midnight. Mostly cloudy. Seas 1 m or less.

      SE 10km/h
      < 1m

    • Saturday

      Saturday:E wind 8 to 13 km/h becoming SE in the afternoon. Partly sunny. Seas 1 m or less.

      SE 13km/h
      < 1m

    • Saturday Night

      Saturday Night:SSE wind 8 to 11 km/h. Partly cloudy. Seas 1 m or less.

      SSE 11km/h
      < 1m

    • Sunday

      Sunday:SSE wind 10 to 13 km/h increasing to 13 to 16 km/h in the afternoon. Mostly sunny. Seas 1 m or less.

      ⇑SSE 16km/h
      < 1m


Associated Zone Forecast which includes this point

Last Update: 8:01 am EDT Jul 9, 2025
Forecast Valid: 10am EDT Jul 9, 2025-6pm EDT Jul 15, 2025

View Nearby Observations

Detailed Forecast


Today
SSW wind 11 to 16 km/h. A slight chance of showers between 2pm and 5pm, then a slight chance of showers and thunderstorms after 5pm. Seas 1 m or less.
Tonight
SSW wind 10 to 13 km/h. A chance of showers and thunderstorms, mainly after 8pm. Seas 1 m or less.
Thursday
S wind 10 to 14 km/h. Showers likely and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms after 2pm. Seas 1 m or less.
Thursday Night
SSE wind 10 to 13 km/h. A chance of showers and thunderstorms, mainly before 2am. Seas 1 m or less.
Friday
E wind 10 to 13 km/h becoming SE in the afternoon. A chance of showers, with thunderstorms also possible after 2pm. Seas 1 m or less.
Friday Night
SE wind 5 to 10 km/h becoming E after midnight. Mostly cloudy. Seas 1 m or less.
Saturday
E wind 8 to 13 km/h becoming SE in the afternoon. Partly sunny. Seas 1 m or less.
Saturday Night
SSE wind 8 to 11 km/h. Partly cloudy. Seas 1 m or less.
Sunday
SSE wind 10 to 13 km/h increasing to 13 to 16 km/h in the afternoon. Mostly sunny. Seas 1 m or less.

Winds and waves 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: 40.61°N 73.51°W
Last Update: 8:01 am EDT Jul 9, 2025
Forecast Valid: 10am EDT Jul 9, 2025-6pm EDT Jul 15, 2025
  Forecast Discussion
  Get as KML Get as XML

RADAR & SATELLITE IMAGES

 Link to Satellite Data