For More Weather Information:

New York, NY Local Forecast Office

19NM WSW Islip NY

Marine Point Forecast

[NOTICE]
    • Overnight

      Overnight:E wind around 10 km/h. Mostly cloudy. Seas around 1 m.

      E 10km/h
      1m

    • Sunday

      Sunday:E wind 11 to 16 km/h. Partly sunny. Seas around 1 m.

      E 16km/h
      1m

    • Sunday Night

      Sunday Night:SSE wind 10 to 14 km/h. Mostly cloudy. Seas around 1 m.

      SSE 14km/h
      1m

    • Monday

      Monday:S wind 10 to 13 km/h increasing to 13 to 16 km/h in the afternoon. A slight chance of showers, then a chance of showers and thunderstorms after 2pm.   Seas around 1 m.

      ⇑S 16km/h
      1m

    • Monday Night

      Monday Night:S wind 10 to 13 km/h becoming SW after midnight. A chance of showers and thunderstorms before 2am, then a slight chance of showers.   Seas around 1 m.

      S 13km/h
      1m

    • Tuesday

      Tuesday:W wind 8 to 11 km/h becoming S 13 to 16 km/h in the afternoon. Mostly sunny. Seas 1 m or less.

      ⇑S 16km/h
      < 1m

    • Tuesday Night

      Tuesday Night:SSW wind 11 to 16 km/h. Partly cloudy. Seas around 1 m.

      SSW 16km/h
      1m

    • Wednesday

      Wednesday:SW wind 10 to 15 km/h becoming S 16 to 21 km/h in the afternoon. Mostly sunny. Seas around 1 m.

      ⇑S 21km/h
      1m

    • Wednesday Night

      Wednesday Night:SW wind 21 to 24 km/h decreasing to 16 to 19 km/h after midnight. Winds could gust as high as 32 km/h. Partly cloudy. Seas around 1 m.

      SW 24km/h⇓
      1m


Associated Zone Forecast which includes this point

Last Update: 6:14 pm EDT Jul 12, 2025
Forecast Valid: 12am EDT Jul 13, 2025-6pm EDT Jul 19, 2025

View Nearby Observations

Detailed Forecast


Overnight
E wind around 10 km/h. Mostly cloudy. Seas around 1 m.
Sunday
E wind 11 to 16 km/h. Partly sunny. Seas around 1 m.
Sunday Night
SSE wind 10 to 14 km/h. Mostly cloudy. Seas around 1 m.
Monday
S wind 10 to 13 km/h increasing to 13 to 16 km/h in the afternoon. A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Seas around 1 m.
Monday Night
S wind 10 to 13 km/h becoming SW after midnight. A chance of showers and thunderstorms before 2am, then a slight chance of showers. Seas around 1 m.
Tuesday
W wind 8 to 11 km/h becoming S 13 to 16 km/h in the afternoon. Mostly sunny. Seas 1 m or less.
Tuesday Night
SSW wind 11 to 16 km/h. Partly cloudy. Seas around 1 m.
Wednesday
SW wind 10 to 15 km/h becoming S 16 to 21 km/h in the afternoon. Mostly sunny. Seas around 1 m.
Wednesday Night
SW wind 21 to 24 km/h decreasing to 16 to 19 km/h after midnight. Winds could gust as high as 32 km/h. Partly cloudy. Seas around 1 m.

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: 40.57°N 73.57°W
Last Update: 6:14 pm EDT Jul 12, 2025
Forecast Valid: 12am EDT Jul 13, 2025-6pm EDT Jul 19, 2025
  Forecast Discussion
  Get as KML Get as XML

RADAR & SATELLITE IMAGES

 Link to Satellite Data