For More Weather Information:

Gray/Portland, ME Local Forecast Office

6NM SSE Portsmouth NH

Marine Point Forecast

[NOTICE]
    • Tuesday

      Tuesday:WNW wind 10 to 15 kt. Sunny. Seas 2 to 3 ft.

      High: 57 °F

      WNW 15kt
      2-3ft

    • Tuesday Night

      Tuesday Night:Variable winds 5 kt or less. Clear. Seas 1 to 2 ft.

      Low: 47 °F

      Light Wind
      1-2ft

    • Wednesday

      Wednesday:WSW wind 5 to 10 kt becoming S in the afternoon. Sunny. Seas around 1 ft.

      High: 62 °F

      S 10kt
      1ft

    • Wednesday Night

      Wednesday Night:SSW wind around 10 kt. Mostly clear. Seas around 2 ft.

      Low: 55 °F

      SSW 10kt
      2ft

    • Thursday

      Thursday:SW wind 5 to 10 kt. Sunny. Seas around 2 ft.

      High: 69 °F

      SW 10kt
      2ft

    • Thursday Night

      Thursday Night:Variable winds 5 kt or less. Mostly clear. Seas around 1 ft.

      Low: 52 °F

      Light Wind
      1ft

    • Friday

      Friday:W wind 5 to 10 kt. Sunny. Seas around 1 ft.

      High: 63 °F

      W 10kt
      1ft

    • Friday Night

      Friday Night:Variable winds 5 kt or less. Mostly clear. Seas around 1 ft.

      Low: 49 °F

      Light Wind
      1ft

    • Saturday

      Saturday:Variable winds 5 kt or less. Sunny. Seas around 1 ft.

      High: 61 °F

      Light Wind
      1ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 2:42 am EDT Oct 6, 2026
Forecast Valid: 3am EDT Oct 6, 2026-6pm EDT Oct 12, 2026

View Nearby Observations

Detailed Forecast


Tuesday
WNW wind 10 to 15 kt. Sunny. Seas 2 to 3 ft.
Tuesday Night
Variable winds 5 kt or less. Clear. Seas 1 to 2 ft.
Wednesday
WSW wind 5 to 10 kt becoming S in the afternoon. Sunny. Seas around 1 ft.
Wednesday Night
SSW wind around 10 kt. Mostly clear. Seas around 2 ft.
Thursday
SW wind 5 to 10 kt. Sunny. Seas around 2 ft.
Thursday Night
Variable winds 5 kt or less. Mostly clear. Seas around 1 ft.
Friday
W wind 5 to 10 kt. Sunny. Seas around 1 ft.
Friday Night
Variable winds 5 kt or less. Mostly clear. Seas around 1 ft.
Saturday
Variable winds 5 kt or less. Sunny. Seas around 1 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: 2:42 am EDT Oct 6, 2026
Forecast Valid: 3am EDT Oct 6, 2026-6pm EDT Oct 12, 2026
  Forecast Discussion
  Get as KML Get as XML

RADAR & SATELLITE IMAGES

 Link to Satellite Data