For More Weather Information:

Gray/Portland, ME Local Forecast Office

6NM SSE Portsmouth NH

Marine Point Forecast

[NOTICE]
    • Today

      Today:Variable winds 5 kt or less. Increasing clouds. Seas around 1 ft.

      High: 47 °F

      Light Wind
      1ft

    • Tonight

      Tonight:Variable winds 5 kt or less. Mostly cloudy. Seas around 1 ft.

      Low: 41 °F

      Light Wind
      1ft

    • Sunday

      Sunday:Variable winds 5 kt or less. Partly sunny. Seas around 2 ft.

      High: 50 °F

      Light Wind
      2ft

    • Sunday Night

      Sunday Night:Variable winds 5 kt or less. Mostly cloudy. Seas 1 to 2 ft.

      Low: 42 °F

      Light Wind
      1-2ft

    • Monday

      Monday:Variable winds 5 kt or less. Mostly sunny. Seas around 1 ft.

      High: 49 °F

      Light Wind
      1ft

    • Monday Night

      Monday Night:Variable winds 5 kt or less. Mostly clear. Seas 1 to 2 ft.

      Low: 41 °F

      Light Wind
      1-2ft

    • Tuesday

      Tuesday:ENE wind 5 to 10 kt. Sunny. Seas around 2 ft.

      High: 49 °F

      ENE 10kt
      2ft

    • Tuesday Night

      Tuesday Night:Variable winds 5 kt or less. Mostly cloudy. Seas 3 to 4 ft.

      Low: 43 °F

      Light Wind
      3-4ft

    • Wednesday

      Wednesday:ENE wind 5 to 10 kt. A chance of showers.   Seas 4 to 5 ft.

      High: 48 °F

      ENE 10kt
      4-5ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 6:24 am EDT Apr 25, 2026
Forecast Valid: 8am EDT Apr 25, 2026-6pm EDT May 1, 2026

View Nearby Observations

Detailed Forecast


Today
Variable winds 5 kt or less. Increasing clouds. Seas around 1 ft.
Tonight
Variable winds 5 kt or less. Mostly cloudy. Seas around 1 ft.
Sunday
Variable winds 5 kt or less. Partly sunny. Seas around 2 ft.
Sunday Night
Variable winds 5 kt or less. Mostly cloudy. Seas 1 to 2 ft.
Monday
Variable winds 5 kt or less. Mostly sunny. Seas around 1 ft.
Monday Night
Variable winds 5 kt or less. Mostly clear. Seas 1 to 2 ft.
Tuesday
ENE wind 5 to 10 kt. Sunny. Seas around 2 ft.
Tuesday Night
Variable winds 5 kt or less. Mostly cloudy. Seas 3 to 4 ft.
Wednesday
ENE wind 5 to 10 kt. A chance of showers. Seas 4 to 5 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: 6:24 am EDT Apr 25, 2026
Forecast Valid: 8am EDT Apr 25, 2026-6pm EDT May 1, 2026
  Forecast Discussion
  Get as KML Get as XML

RADAR & SATELLITE IMAGES

 Link to Satellite Data