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Gray/Portland, ME Local Forecast Office

4NM E Portsmouth NH

Marine Point Forecast

[NOTICE]
    • Today

      Today:S wind 12 to 15 kt becoming SW 10 to 13 kt in the afternoon. Winds could gust as high as 20 kt. Snow, possibly mixing with rain after 1pm, then gradually ending.   Seas around 1 ft.

      High: 39 °F

      S 15kt⇓
      1ft

    • Tonight

      Tonight:SW wind around 10 kt. Scattered showers between midnight and 2am.   Seas 2 to 3 ft.

      Low: 30 °F

      SW 10kt
      2-3ft

    • Thursday

      Thursday:W wind around 10 kt. Increasing clouds. Seas around 1 ft.

      High: 38 °F

      W 10kt
      1ft

    • Thursday Night

      Thursday Night:Variable winds 5 kt or less. Partly cloudy. Seas around 1 ft.

      Low: 21 °F

      Light Wind
      1ft

    • Friday

      Friday:NW wind 5 to 10 kt becoming SSW in the afternoon. Sunny. Seas around 1 ft.

      High: 38 °F

      SSW 10kt
      1ft

    • Friday Night

      Friday Night:SSW wind around 10 kt. Mostly clear. Seas around 1 ft.

      Low: 29 °F

      SSW 10kt
      1ft

    • Saturday

      Saturday:SSW wind around 10 kt. Mostly sunny. Seas around 1 ft.

      High: 46 °F

      SSW 10kt
      1ft

    • Saturday Night

      Saturday Night:SW wind around 10 kt becoming WNW after midnight. Partly cloudy. Seas around 1 ft.

      Low: 27 °F

      SW 10kt
      1ft

    • Sunday

      Sunday:WNW wind around 10 kt. Partly sunny. Seas around 1 ft.

      High: 35 °F

      WNW 10kt
      1ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 10:39 am EST Feb 25, 2026
Forecast Valid: 10am EST Feb 25, 2026-6pm EST Mar 3, 2026

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Detailed Forecast


Today
S wind 12 to 15 kt becoming SW 10 to 13 kt in the afternoon. Winds could gust as high as 20 kt. Snow, possibly mixing with rain after 1pm, then gradually ending. Seas around 1 ft.
Tonight
SW wind around 10 kt. Scattered showers between midnight and 2am. Seas 2 to 3 ft.
Thursday
W wind around 10 kt. Increasing clouds. Seas around 1 ft.
Thursday Night
Variable winds 5 kt or less. Partly cloudy. Seas around 1 ft.
Friday
NW wind 5 to 10 kt becoming SSW in the afternoon. Sunny. Seas around 1 ft.
Friday Night
SSW wind around 10 kt. Mostly clear. Seas around 1 ft.
Saturday
SSW wind around 10 kt. Mostly sunny. Seas around 1 ft.
Saturday Night
SW wind around 10 kt becoming WNW after midnight. Partly cloudy. Seas around 1 ft.
Sunday
WNW wind around 10 kt. Partly 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.
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ABOUT THIS FORECAST

Point Forecast: 43.06°N 70.69°W
Last Update: 10:39 am EST Feb 25, 2026
Forecast Valid: 10am EST Feb 25, 2026-6pm EST Mar 3, 2026
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