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Gray/Portland, ME Local Forecast Office

6NM SSE Portsmouth NH

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:N wind 10 to 15 kt becoming NW after midnight. Winds could gust as high as 25 kt. Snow, mainly before 1am. The snow could be heavy at times.  Widespread freezing spray after 7pm.  Seas 7 to 8 ft.

      Low: 12 °F

      NW 15kt
      7-8ft

    • Tuesday

      Tuesday:WNW wind 12 to 15 kt becoming W 10 to 13 kt in the afternoon. Widespread freezing spray before 2pm. Increasing clouds. Seas 7 ft subsiding to 5 ft.

      High: 22 °F

      WNW 15kt⇓
      7ftWaves Subsiding

    • Tuesday Night

      Tuesday Night:W wind around 10 kt. Widespread freezing spray after 8pm. Mostly cloudy, then gradually becoming mostly clear. Seas 3 to 4 ft.

      Low: 11 °F

      W 10kt
      3-4ft

    • Wednesday

      Wednesday:W wind around 10 kt. Widespread freezing spray before 1pm. Sunny. Seas 2 to 3 ft.

      High: 23 °F

      W 10kt
      2-3ft

    • Wednesday Night

      Wednesday Night:WNW wind 5 to 10 kt. Widespread freezing spray. Mostly cloudy. Seas 1 to 2 ft.

      Low: 10 °F

      WNW 10kt
      1-2ft

    • Thursday

      Thursday:WNW wind 10 to 15 kt. Widespread freezing spray. Mostly sunny. Seas around 1 ft.

      High: 22 °F

      WNW 15kt
      1ft

    • Thursday Night

      Thursday Night:WNW wind 10 to 15 kt, with gusts as high as 20 kt. Widespread freezing spray. Mostly clear. Seas around 1 ft.

      Low: 7 °F

      WNW 15kt
      1ft

    • Friday

      Friday:W wind around 10 kt, with gusts as high as 20 kt. Widespread freezing spray. Mostly sunny. Seas around 1 ft.

      High: 19 °F

      W 10kt
      1ft

    • Friday Night

      Friday Night:WNW wind around 10 kt. Widespread freezing spray. Partly cloudy. Seas around 1 ft.

      Low: 9 °F

      WNW 10kt
      1ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 12:54 pm EST Jan 26, 2026
Forecast Valid: 6pm EST Jan 26, 2026-6pm EST Feb 2, 2026

View Nearby Observations

Detailed Forecast


Tonight
N wind 10 to 15 kt becoming NW after midnight. Winds could gust as high as 25 kt. Snow, mainly before 1am. The snow could be heavy at times. Widespread freezing spray after 7pm. Seas 7 to 8 ft.
Tuesday
WNW wind 12 to 15 kt becoming W 10 to 13 kt in the afternoon. Widespread freezing spray before 2pm. Increasing clouds. Seas 7 ft subsiding to 5 ft.
Tuesday Night
W wind around 10 kt. Widespread freezing spray after 8pm. Mostly cloudy, then gradually becoming mostly clear. Seas 3 to 4 ft.
Wednesday
W wind around 10 kt. Widespread freezing spray before 1pm. Sunny. Seas 2 to 3 ft.
Wednesday Night
WNW wind 5 to 10 kt. Widespread freezing spray. Mostly cloudy. Seas 1 to 2 ft.
Thursday
WNW wind 10 to 15 kt. Widespread freezing spray. Mostly sunny. Seas around 1 ft.
Thursday Night
WNW wind 10 to 15 kt, with gusts as high as 20 kt. Widespread freezing spray. Mostly clear. Seas around 1 ft.
Friday
W wind around 10 kt, with gusts as high as 20 kt. Widespread freezing spray. Mostly sunny. Seas around 1 ft.
Friday Night
WNW wind around 10 kt. Widespread freezing spray. Partly cloudy. 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.
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ABOUT THIS FORECAST

Point Forecast: 42.98°N 70.74°W
Last Update: 12:54 pm EST Jan 26, 2026
Forecast Valid: 6pm EST Jan 26, 2026-6pm EST Feb 2, 2026
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