For More Weather Information:

Gray/Portland, ME Local Forecast Office

6NM SSE Portsmouth NH

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:W wind around 15 kt, with gusts as high as 20 kt. Widespread freezing spray after 3am. Partly cloudy. Seas 3 to 4 ft.

      Low: 19 °F

      W 15kt
      3-4ft

    • Tuesday

      Tuesday:W wind around 15 kt, with gusts as high as 20 kt. Widespread freezing spray. Sunny. Seas 2 to 3 ft.

      High: 24 °F

      W 15kt
      2-3ft

    • Tuesday Night

      Tuesday Night:W wind 10 to 15 kt. Widespread freezing spray. Mostly clear. Seas around 2 ft.

      Low: 14 °F

      W 15kt
      2ft

    • Wednesday

      Wednesday:SSW wind around 10 kt. Widespread freezing spray. Increasing clouds. Seas around 2 ft.

      High: 34 °F

      SSW 10kt
      2ft

    • Wednesday Night

      Wednesday Night:SSW wind 10 to 15 kt, with gusts as high as 20 kt. A chance of snow before 1am.  Widespread freezing spray.  Seas 2 to 3 ft.

      Low: 28 °F

      SSW 15kt
      2-3ft

    • Thursday

      Thursday:SW wind 10 to 15 kt. Widespread freezing spray. Mostly sunny. Seas 2 to 3 ft.

      High: 40 °F

      SW 15kt
      2-3ft

    • Thursday Night

      Thursday Night:W wind around 10 kt. Widespread freezing spray. Partly cloudy. Seas around 2 ft.

      Low: 24 °F

      W 10kt
      2ft

    • Friday

      Friday:W wind 10 to 15 kt, with gusts as high as 25 kt. Widespread freezing spray. Mostly sunny. Seas around 2 ft.

      High: 28 °F

      W 15kt
      2ft

    • Friday Night

      Friday Night:W wind around 15 kt, with gusts as high as 25 kt. Widespread freezing spray. Partly cloudy. Seas around 2 ft.

      Low: 7 °F

      W 15kt
      2ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 3:48 pm EST Jan 19, 2026
Forecast Valid: 4pm EST Jan 19, 2026-6pm EST Jan 26, 2026

View Nearby Observations

Detailed Forecast


Tonight
W wind around 15 kt, with gusts as high as 20 kt. Widespread freezing spray after 3am. Partly cloudy. Seas 3 to 4 ft.
Tuesday
W wind around 15 kt, with gusts as high as 20 kt. Widespread freezing spray. Sunny. Seas 2 to 3 ft.
Tuesday Night
W wind 10 to 15 kt. Widespread freezing spray. Mostly clear. Seas around 2 ft.
Wednesday
SSW wind around 10 kt. Widespread freezing spray. Increasing clouds. Seas around 2 ft.
Wednesday Night
SSW wind 10 to 15 kt, with gusts as high as 20 kt. A chance of snow before 1am. Widespread freezing spray. Seas 2 to 3 ft.
Thursday
SW wind 10 to 15 kt. Widespread freezing spray. Mostly sunny. Seas 2 to 3 ft.
Thursday Night
W wind around 10 kt. Widespread freezing spray. Partly cloudy. Seas around 2 ft.
Friday
W wind 10 to 15 kt, with gusts as high as 25 kt. Widespread freezing spray. Mostly sunny. Seas around 2 ft.
Friday Night
W wind around 15 kt, with gusts as high as 25 kt. Widespread freezing spray. Partly cloudy. Seas around 2 ft.

*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: 42.98°N 70.74°W
Last Update: 3:48 pm EST Jan 19, 2026
Forecast Valid: 4pm EST Jan 19, 2026-6pm EST Jan 26, 2026
  Forecast Discussion
  Get as KML Get as XML

RADAR & SATELLITE IMAGES

 Link to Satellite Data