For More Weather Information:

New York, NY Local Forecast Office

12NM NW Islip NY

Marine Point Forecast

[NOTICE]
    • Saturday

      Saturday:Variable winds less than 5 kt becoming E 5 to 10 kt in the afternoon. A slight chance of showers after 2pm.  Patchy fog before 8am.  Seas 1 ft or less.

      ⇑E 10kt
      < 1ft

    • Saturday Night

      Saturday Night:E wind 15 to 18 kt decreasing to 10 to 13 kt after midnight. A chance of showers.   Seas 1 ft or less.

      E 18kt⇓
      < 1ft

    • Sunday

      Sunday:S wind 13 to 16 kt becoming SW in the afternoon. Showers.   Seas 1 ft or less.

      SSW 16kt
      < 1ft

    • Sunday Night

      Sunday Night:W wind around 14 kt becoming WNW in the evening. Cloudy during the early evening, then gradual clearing. Seas around 1 ft.

      WNW 14kt
      1ft

    • Monday

      Monday:WNW wind around 14 kt. Sunny. Seas around 1 ft.

      WNW 14kt
      1ft

    • Monday Night

      Monday Night:WNW wind 5 to 7 kt. Partly cloudy. Seas 1 ft or less.

      WNW 7kt
      < 1ft

    • Tuesday

      Tuesday:WNW wind 8 to 11 kt. Mostly sunny. Seas 1 ft or less.

      WNW 11kt
      < 1ft

    • Tuesday Night

      Tuesday Night:NNW wind 8 to 10 kt. Mostly clear. Seas 1 ft or less.

      NNW 10kt
      < 1ft

    • Wednesday

      Wednesday:N wind around 6 kt becoming SE in the afternoon. Sunny. Seas 1 ft or less.

      N 6kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 2:23 pm EDT Apr 3, 2026
Forecast Valid: 1am EDT Apr 4, 2026-6pm EDT Apr 10, 2026

View Nearby Observations

Detailed Forecast


Saturday
Variable winds less than 5 kt becoming E 5 to 10 kt in the afternoon. A slight chance of showers after 2pm. Patchy fog before 8am. Seas 1 ft or less.
Saturday Night
E wind 15 to 18 kt decreasing to 10 to 13 kt after midnight. A chance of showers. Seas 1 ft or less.
Sunday
S wind 13 to 16 kt becoming SW in the afternoon. Showers. Seas 1 ft or less.
Sunday Night
W wind around 14 kt becoming WNW in the evening. Cloudy during the early evening, then gradual clearing. Seas around 1 ft.
Monday
WNW wind around 14 kt. Sunny. Seas around 1 ft.
Monday Night
WNW wind 5 to 7 kt. Partly cloudy. Seas 1 ft or less.
Tuesday
WNW wind 8 to 11 kt. Mostly sunny. Seas 1 ft or less.
Tuesday Night
NNW wind 8 to 10 kt. Mostly clear. Seas 1 ft or less.
Wednesday
N wind around 6 kt becoming SE in the afternoon. 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: 40.91°N 73.39°W
Last Update: 2:23 pm EDT Apr 3, 2026
Forecast Valid: 1am EDT Apr 4, 2026-6pm EDT Apr 10, 2026
  Forecast Discussion
  Get as KML Get as XML

RADAR & SATELLITE IMAGES

 Link to Satellite Data