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Gray/Portland, ME Local Forecast Office

25NM ENE Portsmouth NH

Marine Point Forecast

[NOTICE]

    • Juneteenth

      Juneteenth:S wind 5 to 8 kt increasing to 7 to 10 kt in the afternoon. A slight chance of showers before 9am. Patchy fog. Seas 2 to 3 ft.

      High: 66 °F

      ⇑S 10kt
      2-3ft

    • Thursday Night

      Thursday Night:SW wind around 15 kt, with gusts as high as 25 kt. A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Seas 3 to 4 ft.

      Low: 60 °F

      SW 15kt
      3-4ft

    • Friday

      Friday:WSW wind 15 to 20 kt. Sunny. Seas around 3 ft.

      High: 70 °F

      WSW 20kt
      3ft

    • Friday Night

      Friday Night:W wind around 10 kt. Mostly clear. Seas around 3 ft.

      Low: 64 °F

      W 10kt
      3ft

    • Saturday

      Saturday:WSW wind 5 to 10 kt becoming SSE in the afternoon. Sunny. Seas around 2 ft.

      High: 68 °F

      SSE 10kt
      2ft

    • Saturday Night

      Saturday Night:S wind around 10 kt becoming SSW after midnight. A chance of showers after 2am. Seas around 2 ft.

      Low: 62 °F

      SSW 10kt
      2ft

    • Sunday

      Sunday:SSW wind around 10 kt. A chance of showers before 2pm. Seas around 3 ft.

      High: 68 °F

      SSW 10kt
      3ft

    • Sunday Night

      Sunday Night:SSE wind 5 to 10 kt becoming SSW after midnight. Partly cloudy. Seas around 3 ft.

      Low: 62 °F

      SSE 10kt
      3ft

    • Monday

      Monday:SSW wind 5 to 10 kt becoming S in the afternoon. Mostly sunny. Seas around 2 ft.

      High: 70 °F

      S 10kt
      2ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 9:54 pm EDT Jun 18, 2025
Forecast Valid: 1am EDT Jun 19, 2025-6pm EDT Jun 25, 2025

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Detailed Forecast


Juneteenth
S wind 5 to 8 kt increasing to 7 to 10 kt in the afternoon. A slight chance of showers before 9am. Patchy fog. Seas 2 to 3 ft.
Thursday Night
SW wind around 15 kt, with gusts as high as 25 kt. A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Seas 3 to 4 ft.
Friday
WSW wind 15 to 20 kt. Sunny. Seas around 3 ft.
Friday Night
W wind around 10 kt. Mostly clear. Seas around 3 ft.
Saturday
WSW wind 5 to 10 kt becoming SSE in the afternoon. Sunny. Seas around 2 ft.
Saturday Night
S wind around 10 kt becoming SSW after midnight. A chance of showers after 2am. Seas around 2 ft.
Sunday
SSW wind around 10 kt. A chance of showers before 2pm. Seas around 3 ft.
Sunday Night
SSE wind 5 to 10 kt becoming SSW after midnight. Partly cloudy. Seas around 3 ft.
Monday
SSW wind 5 to 10 kt becoming S in the afternoon. Mostly sunny. 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.
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ABOUT THIS FORECAST

Point Forecast: 43.18°N 70.24°W
Last Update: 9:54 pm EDT Jun 18, 2025
Forecast Valid: 1am EDT Jun 19, 2025-6pm EDT Jun 25, 2025
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