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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:Variable winds 5 kt or less. Partly sunny. Seas around 1 ft.

      High: 38 °F

      Light Wind
      1ft

    • Tonight

      Tonight:SSW wind 10 to 15 kt becoming NW 15 to 20 kt after midnight. Winds could gust as high as 25 kt. A slight chance of rain and snow before 1am. Seas 1 to 2 ft.

      Low: 23 °F

      ⇑NW 20kt
      1-2ft

    • Monday

      Monday:NW wind 15 to 20 kt, with gusts as high as 25 kt. Sunny. Seas around 3 ft.

      High: 26 °F

      NW 20kt
      3ft

    • Monday Night

      Monday Night:NW wind 10 to 15 kt, with gusts as high as 25 kt. Mostly clear. Seas around 2 ft.

      Low: 17 °F

      NW 15kt
      2ft

    • Tuesday

      Tuesday:WNW wind 10 to 13 kt becoming SSW 12 to 15 kt in the afternoon. Winds could gust as high as 25 kt. Mostly sunny. Seas 1 to 2 ft.

      High: 36 °F

      ⇑SSW 15kt
      1-2ft

    • Tuesday Night

      Tuesday Night:SSW wind 15 to 20 kt, with gusts as high as 25 kt. A chance of snow before 1am. Seas around 3 ft.

      Low: 33 °F

      SSW 20kt
      3ft

    • Wednesday

      Wednesday:SSW wind around 15 kt, with gusts as high as 20 kt. Rain likely, mainly after 4pm. Seas around 2 ft.

      High: 43 °F

      SSW 15kt
      2ft

    • Wednesday Night

      Wednesday Night:SW wind around 15 kt, with gusts as high as 25 kt. Rain likely. Seas around 3 ft.

      Low: 37 °F

      SW 15kt
      3ft

    • Thursday

      Thursday:WNW wind around 15 kt, with gusts as high as 25 kt. Partly sunny. Seas around 2 ft.

      High: 39 °F

      WNW 15kt
      2ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 5:45 am EST Dec 7, 2025
Forecast Valid: 11am EST Dec 7, 2025-6pm EST Dec 13, 2025

View Nearby Observations

Detailed Forecast


Today
Variable winds 5 kt or less. Partly sunny. Seas around 1 ft.
Tonight
SSW wind 10 to 15 kt becoming NW 15 to 20 kt after midnight. Winds could gust as high as 25 kt. A slight chance of rain and snow before 1am. Seas 1 to 2 ft.
Monday
NW wind 15 to 20 kt, with gusts as high as 25 kt. Sunny. Seas around 3 ft.
Monday Night
NW wind 10 to 15 kt, with gusts as high as 25 kt. Mostly clear. Seas around 2 ft.
Tuesday
WNW wind 10 to 13 kt becoming SSW 12 to 15 kt in the afternoon. Winds could gust as high as 25 kt. Mostly sunny. Seas 1 to 2 ft.
Tuesday Night
SSW wind 15 to 20 kt, with gusts as high as 25 kt. A chance of snow before 1am. Seas around 3 ft.
Wednesday
SSW wind around 15 kt, with gusts as high as 20 kt. Rain likely, mainly after 4pm. Seas around 2 ft.
Wednesday Night
SW wind around 15 kt, with gusts as high as 25 kt. Rain likely. Seas around 3 ft.
Thursday
WNW wind around 15 kt, with gusts as high as 25 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: 42.99°N 70.62°W
Last Update: 5:45 am EST Dec 7, 2025
Forecast Valid: 11am EST Dec 7, 2025-6pm EST Dec 13, 2025
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