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Hazardous Weather Conditions

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Gray/Portland, ME Local Forecast Office

8NM SE Portsmouth NH

Marine Point Forecast

[NOTICE]

    • Today

      Today:W wind 12 to 15 kt becoming W 10 to 13 kt in the afternoon. Winds could gust as high as 25 kt. Sunny. Seas around 2 ft.

      High: 37 °F

      W 15kt⇓
      2ft

    • Tonight

      Tonight:NW wind around 10 kt. Mostly clear. Seas around 2 ft.

      Low: 25 °F

      NW 10kt
      2ft

    • Friday

      Friday:W wind 5 to 8 kt becoming SSW 7 to 10 kt in the afternoon. Sunny. Seas 1 to 2 ft.

      High: 37 °F

      ⇑SSW 10kt
      1-2ft

    • Friday Night

      Friday Night:SSW wind around 15 kt, with gusts as high as 25 kt. Partly cloudy. Seas 2 to 3 ft.

      Low: 35 °F

      SSW 15kt
      2-3ft

    • Saturday

      Saturday:SSW wind 15 to 20 kt. Mostly sunny. Seas around 3 ft.

      High: 44 °F

      SSW 20kt
      3ft

    • Saturday Night

      Saturday Night:SW wind 10 to 15 kt becoming NNW after midnight. Mostly cloudy. Seas around 2 ft.

      Low: 31 °F

      NNW 15kt
      2ft

    • Sunday

      Sunday:NNW wind 15 to 18 kt becoming NW 17 to 20 kt in the afternoon. Winds could gust as high as 25 kt. A chance of snow between 8am and 1pm. Seas around 2 ft.

      High: 35 °F

      ⇑NW 20kt
      2ft

    • Sunday Night

      Sunday Night:NNW wind 17 to 20 kt decreasing to 15 to 18 kt after midnight. Winds could gust as high as 30 kt. Widespread freezing spray after 8pm. Mostly clear. Seas around 2 ft.

      Low: 16 °F

      NNW 20kt⇓
      2ft

    • Monday

      Monday:NNW wind 10 to 15 kt becoming NNW 5 to 8 kt in the afternoon. Widespread freezing spray before 1pm. Mostly sunny. Seas 1 to 2 ft.

      High: 25 °F

      NNW 15kt⇓
      1-2ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 6:05 am EST Feb 26, 2026
Forecast Valid: 6am EST Feb 26, 2026-6pm EST Mar 4, 2026

View Nearby Observations

Detailed Forecast


Today
W wind 12 to 15 kt becoming W 10 to 13 kt in the afternoon. Winds could gust as high as 25 kt. Sunny. Seas around 2 ft.
Tonight
NW wind around 10 kt. Mostly clear. Seas around 2 ft.
Friday
W wind 5 to 8 kt becoming SSW 7 to 10 kt in the afternoon. Sunny. Seas 1 to 2 ft.
Friday Night
SSW wind around 15 kt, with gusts as high as 25 kt. Partly cloudy. Seas 2 to 3 ft.
Saturday
SSW wind 15 to 20 kt. Mostly sunny. Seas around 3 ft.
Saturday Night
SW wind 10 to 15 kt becoming NNW after midnight. Mostly cloudy. Seas around 2 ft.
Sunday
NNW wind 15 to 18 kt becoming NW 17 to 20 kt in the afternoon. Winds could gust as high as 25 kt. A chance of snow between 8am and 1pm. Seas around 2 ft.
Sunday Night
NNW wind 17 to 20 kt decreasing to 15 to 18 kt after midnight. Winds could gust as high as 30 kt. Widespread freezing spray after 8pm. Mostly clear. Seas around 2 ft.
Monday
NNW wind 10 to 15 kt becoming NNW 5 to 8 kt in the afternoon. Widespread freezing spray before 1pm. Mostly sunny. Seas 1 to 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: 42.99°N 70.62°W
Last Update: 6:05 am EST Feb 26, 2026
Forecast Valid: 6am EST Feb 26, 2026-6pm EST Mar 4, 2026
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