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Gray/Portland, ME Local Forecast Office

23NM ENE Portsmouth NH

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:NW wind 30 to 33 km/h increasing to 32 to 35 km/h after midnight. Winds could gust as high as 50 km/h. A chance of snow showers, mainly after 3am.   Seas around 1 m.

      Low: -2 °C

      ⇑NW 35km/h
      1m

    • Thursday

      Thursday:NNW wind 32 to 35 km/h decreasing to 30 to 33 km/h in the afternoon. Winds could gust as high as 50 km/h. A slight chance of snow showers before 7am.   Seas around 1 m.

      High: 2 °C

      NNW 35km/h⇓
      1m

    • Thursday Night

      Thursday Night:NW wind 30 to 35 km/h decreasing to 25 to 30 km/h after midnight. Winds could gust as high as 50 km/h. Mostly clear. Seas around 1 m.

      Low: -4 °C

      NW 35km/h⇓
      1m

    • Friday

      Friday:W wind 22 to 25 km/h decreasing to 20 to 23 km/h in the morning. Winds could gust as high as 35 km/h. Sunny. Seas around 1 m.

      High: 1 °C

      W 25km/h⇓
      1m

    • Friday Night

      Friday Night:W wind around 25 km/h, with gusts as high as 35 km/h. Partly cloudy. Seas around 1 m.

      Low: -2 °C

      W 25km/h
      1m

    • Saturday

      Saturday:W wind 20 to 25 km/h, with gusts as high as 35 km/h. Mostly sunny. Seas around 1 m.

      High: 2 °C

      W 25km/h
      1m

    • Saturday Night

      Saturday Night:WNW wind 30 to 35 km/h, with gusts as high as 45 km/h. Mostly clear. Seas around 1 m.

      Low: -4 °C

      WNW 35km/h
      1m

    • Sunday

      Sunday:NW wind 25 to 30 km/h decreasing to 15 to 20 km/h. Winds could gust as high as 45 km/h. Mostly sunny. Seas 1 m or less.

      High: 2 °C

      NW 30km/h⇓
      < 1m

    • Sunday Night

      Sunday Night:N wind 15 to 20 km/h becoming ENE 20 to 25 km/h in the evening. Winds could gust as high as 40 km/h. Mostly cloudy. Seas 1 m or less.

      Low: 1 °C

      ⇑ENE 25km/h
      < 1m


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 3:37 pm EST Feb 11, 2026
Forecast Valid: 4pm EST Feb 11, 2026-6pm EST Feb 18, 2026

View Nearby Observations

Detailed Forecast


Tonight
NW wind 30 to 33 km/h increasing to 32 to 35 km/h after midnight. Winds could gust as high as 50 km/h. A chance of snow showers, mainly after 3am. Seas around 1 m.
Thursday
NNW wind 32 to 35 km/h decreasing to 30 to 33 km/h in the afternoon. Winds could gust as high as 50 km/h. A slight chance of snow showers before 7am. Seas around 1 m.
Thursday Night
NW wind 30 to 35 km/h decreasing to 25 to 30 km/h after midnight. Winds could gust as high as 50 km/h. Mostly clear. Seas around 1 m.
Friday
W wind 22 to 25 km/h decreasing to 20 to 23 km/h in the morning. Winds could gust as high as 35 km/h. Sunny. Seas around 1 m.
Friday Night
W wind around 25 km/h, with gusts as high as 35 km/h. Partly cloudy. Seas around 1 m.
Saturday
W wind 20 to 25 km/h, with gusts as high as 35 km/h. Mostly sunny. Seas around 1 m.
Saturday Night
WNW wind 30 to 35 km/h, with gusts as high as 45 km/h. Mostly clear. Seas around 1 m.
Sunday
NW wind 25 to 30 km/h decreasing to 15 to 20 km/h. Winds could gust as high as 45 km/h. Mostly sunny. Seas 1 m or less.
Sunday Night
N wind 15 to 20 km/h becoming ENE 20 to 25 km/h in the evening. Winds could gust as high as 40 km/h. Mostly cloudy. Seas 1 m or less.

*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: 43.13°N 70.25°W
Last Update: 3:37 pm EST Feb 11, 2026
Forecast Valid: 4pm EST Feb 11, 2026-6pm EST Feb 18, 2026
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