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Hazardous Weather Conditions

For More Weather Information:

Gray/Portland, ME Local Forecast Office

10NM S Portsmouth NH

Marine Point Forecast

[NOTICE]

    • Thanksgiving Day

      Thanksgiving Day:WSW wind around 15 kt, with gusts as high as 25 kt. Mostly sunny. Seas around 2 ft.

      High: 46 °F

      WSW 15kt
      2ft

    • Tonight

      Tonight:WSW wind around 15 kt, with gusts as high as 25 kt. Partly cloudy. Seas around 2 ft.

      Low: 36 °F

      WSW 15kt
      2ft

    • Friday

      Friday:SW wind 15 to 18 kt increasing to 17 to 20 kt in the afternoon. Winds could gust as high as 30 kt. Mostly sunny. Seas around 2 ft.

      High: 43 °F

      ⇑SW 20kt
      2ft

    • Friday Night

      Friday Night:W wind around 20 kt, with gusts as high as 30 kt. Partly cloudy. Seas around 2 ft.

      Low: 34 °F

      W 20kt
      2ft

    • Saturday

      Saturday:WNW wind 15 to 20 kt. Sunny. Seas 1 to 2 ft.

      High: 40 °F

      WNW 20kt
      1-2ft

    • Saturday Night

      Saturday Night:WNW wind 5 to 10 kt becoming WSW after midnight. Partly cloudy. Seas around 1 ft.

      Low: 33 °F

      WNW 10kt
      1ft

    • Sunday

      Sunday:S wind 5 to 10 kt increasing to 10 to 15 kt in the afternoon. Winds could gust as high as 25 kt. A chance of rain after 1pm. Seas 1 ft building to 3 ft.

      High: 48 °F

      ⇑S 15kt
      Waves Building3ft

    • Sunday Night

      Sunday Night:S wind 15 to 20 kt becoming WSW after midnight. Winds could gust as high as 25 kt. Rain. Seas 3 to 4 ft.

      Low: 40 °F

      S 20kt
      3-4ft

    • Monday

      Monday:W wind around 15 kt. Partly sunny. Seas around 2 ft.

      High: 44 °F

      W 15kt
      2ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 6:04 am EST Nov 27, 2025
Forecast Valid: 8am EST Nov 27, 2025-6pm EST Dec 3, 2025

View Nearby Observations

Detailed Forecast


Thanksgiving Day
WSW wind around 15 kt, with gusts as high as 25 kt. Mostly sunny. Seas around 2 ft.
Tonight
WSW wind around 15 kt, with gusts as high as 25 kt. Partly cloudy. Seas around 2 ft.
Friday
SW wind 15 to 18 kt increasing to 17 to 20 kt in the afternoon. Winds could gust as high as 30 kt. Mostly sunny. Seas around 2 ft.
Friday Night
W wind around 20 kt, with gusts as high as 30 kt. Partly cloudy. Seas around 2 ft.
Saturday
WNW wind 15 to 20 kt. Sunny. Seas 1 to 2 ft.
Saturday Night
WNW wind 5 to 10 kt becoming WSW after midnight. Partly cloudy. Seas around 1 ft.
Sunday
S wind 5 to 10 kt increasing to 10 to 15 kt in the afternoon. Winds could gust as high as 25 kt. A chance of rain after 1pm. Seas 1 ft building to 3 ft.
Sunday Night
S wind 15 to 20 kt becoming WSW after midnight. Winds could gust as high as 25 kt. Rain. Seas 3 to 4 ft.
Monday
W wind around 15 kt. Partly 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: 42.89°N 70.76°W
Last Update: 6:04 am EST Nov 27, 2025
Forecast Valid: 8am EST Nov 27, 2025-6pm EST Dec 3, 2025
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