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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]

    • Tonight

      Tonight:SSW wind 10 to 15 kt becoming WSW after midnight. Winds could gust as high as 25 kt. A chance of showers, mainly between 11pm and 3am. Seas 2 to 3 ft.

      Low: 32 °F

      SSW 15kt
      2-3ft

    • Thursday

      Thursday:W wind 12 to 15 kt decreasing to 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

    • Thursday Night

      Thursday Night:NW wind around 10 kt. Partly cloudy. Seas 1 to 2 ft.

      Low: 25 °F

      NW 10kt
      1-2ft

    • Friday

      Friday:WNW wind 5 to 10 kt becoming SSW 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. Mostly clear. Seas around 2 ft.

      Low: 33 °F

      SSW 15kt
      2ft

    • Saturday

      Saturday:SSW wind around 15 kt, with gusts as high as 25 kt. Mostly sunny. Seas 2 to 3 ft.

      High: 44 °F

      SSW 15kt
      2-3ft

    • Saturday Night

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

      Low: 31 °F

      SW 10kt
      2ft

    • Sunday

      Sunday:NW wind 10 to 15 kt, with gusts as high as 25 kt. A chance of snow. Seas around 2 ft.

      High: 34 °F

      NW 15kt
      2ft

    • Sunday Night

      Sunday Night:NW wind around 15 kt, with gusts as high as 25 kt. Partly cloudy. Seas around 2 ft.

      Low: 16 °F

      NW 15kt
      2ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 7:36 pm EST Feb 25, 2026
Forecast Valid: 8pm EST Feb 25, 2026-6pm EST Mar 4, 2026

View Nearby Observations

Detailed Forecast


Tonight
SSW wind 10 to 15 kt becoming WSW after midnight. Winds could gust as high as 25 kt. A chance of showers, mainly between 11pm and 3am. Seas 2 to 3 ft.
Thursday
W wind 12 to 15 kt decreasing to 10 to 13 kt in the afternoon. Winds could gust as high as 25 kt. Sunny. Seas around 2 ft.
Thursday Night
NW wind around 10 kt. Partly cloudy. Seas 1 to 2 ft.
Friday
WNW wind 5 to 10 kt becoming SSW in the afternoon. Sunny. Seas 1 to 2 ft.
Friday Night
SSW wind around 15 kt, with gusts as high as 25 kt. Mostly clear. Seas around 2 ft.
Saturday
SSW wind around 15 kt, with gusts as high as 25 kt. Mostly sunny. Seas 2 to 3 ft.
Saturday Night
SW wind around 10 kt becoming WNW after midnight. Mostly cloudy. Seas around 2 ft.
Sunday
NW wind 10 to 15 kt, with gusts as high as 25 kt. A chance of snow. Seas around 2 ft.
Sunday Night
NW wind around 15 kt, with gusts as high as 25 kt. Partly cloudy. 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: 42.99°N 70.62°W
Last Update: 7:36 pm EST Feb 25, 2026
Forecast Valid: 8pm EST Feb 25, 2026-6pm EST Mar 4, 2026
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