For More Weather Information:

New York, NY Local Forecast Office

12NM NW Islip NY

Marine Point Forecast

[NOTICE]
    • This Afternoon

      This Afternoon:Variable winds 5 kt or less. Mostly sunny. Seas 1 ft or less.

      Light Wind
      < 1ft

    • Tonight

      Tonight:S wind 5 to 7 kt becoming variable and less than 5 kt after midnight. Partly cloudy. Seas 1 ft or less.

      S 7kt⇓
      < 1ft

    • Saturday

      Saturday:SW wind 6 to 9 kt increasing to 11 to 14 kt in the afternoon. Winds could gust as high as 20 kt. Mostly sunny. Seas 1 ft or less.

      ⇑SW 14kt
      < 1ft

    • Saturday Night

      Saturday Night:WSW wind 8 to 10 kt. Showers likely and possibly a thunderstorm before 2am, then a chance of showers.   Seas 1 ft or less.

      WSW 10kt
      < 1ft

    • Sunday

      Sunday:W wind around 10 kt becoming NW in the afternoon. A chance of showers before 8am, then a slight chance of showers after 2pm.   Seas 1 ft or less.

      WNW 10kt
      < 1ft

    • Sunday Night

      Sunday Night:NNW wind 10 to 12 kt becoming NNE after midnight. Partly cloudy. Seas 1 ft or less.

      N 12kt
      < 1ft

    • Monday

      Monday:NNE wind 9 to 12 kt becoming ENE 6 to 9 kt in the afternoon. Sunny. Seas 1 ft or less.

      NNE 12kt⇓
      < 1ft

    • Monday Night

      Monday Night:S wind 5 to 8 kt becoming variable and less than 5 kt after midnight. Mostly clear. Seas 1 ft or less.

      S 8kt⇓
      < 1ft

    • Tuesday

      Tuesday:Variable winds less than 5 kt becoming SSW 5 to 7 kt in the morning. Sunny. Seas 1 ft or less.

      ⇑SSW 7kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 6:11 am EDT Jun 5, 2026
Forecast Valid: 12pm EDT Jun 5, 2026-6pm EDT Jun 11, 2026

View Nearby Observations

Detailed Forecast


This Afternoon
Variable winds 5 kt or less. Mostly sunny. Seas 1 ft or less.
Tonight
S wind 5 to 7 kt becoming variable and less than 5 kt after midnight. Partly cloudy. Seas 1 ft or less.
Saturday
SW wind 6 to 9 kt increasing to 11 to 14 kt in the afternoon. Winds could gust as high as 20 kt. Mostly sunny. Seas 1 ft or less.
Saturday Night
WSW wind 8 to 10 kt. Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Seas 1 ft or less.
Sunday
W wind around 10 kt becoming NW in the afternoon. A chance of showers before 8am, then a slight chance of showers after 2pm. Seas 1 ft or less.
Sunday Night
NNW wind 10 to 12 kt becoming NNE after midnight. Partly cloudy. Seas 1 ft or less.
Monday
NNE wind 9 to 12 kt becoming ENE 6 to 9 kt in the afternoon. Sunny. Seas 1 ft or less.
Monday Night
S wind 5 to 8 kt becoming variable and less than 5 kt after midnight. Mostly clear. Seas 1 ft or less.
Tuesday
Variable winds less than 5 kt becoming SSW 5 to 7 kt in the morning. Sunny. Seas 1 ft or less.

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: 40.91°N 73.39°W
Last Update: 6:11 am EDT Jun 5, 2026
Forecast Valid: 12pm EDT Jun 5, 2026-6pm EDT Jun 11, 2026
  Forecast Discussion
  Get as KML Get as XML

RADAR & SATELLITE IMAGES

 Link to Satellite Data