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Gray/Portland, ME Local Forecast Office

18NM NNE Portsmouth NH

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:WNW wind around 10 km/h. A slight chance of snow showers before 2am, then a slight chance of snow showers after 4am.   Seas 1 m or less.

      Low: -7 °C

      WNW 10km/h
      < 1m

    • Thursday

      Thursday:NNW wind 10 to 15 km/h, with gusts as high as 30 km/h. Mostly cloudy, then gradually becoming sunny. Seas 1 m or less.

      High: 2 °C

      NNW 15km/h
      < 1m

    • Thursday Night

      Thursday Night:NW wind around 10 km/h. Mostly clear. Seas 1 m or less.

      Low: -11 °C

      NW 10km/h
      < 1m

    • Friday

      Friday:WNW wind around 10 km/h. Sunny. Seas 1 m or less.

      High: 2 °C

      WNW 10km/h
      < 1m

    • Friday Night

      Friday Night:W wind around 10 km/h. Partly cloudy. Seas 1 m or less.

      Low: -8 °C

      W 10km/h
      < 1m

    • Saturday

      Saturday:W wind around 10 km/h. Mostly sunny. Seas 1 m or less.

      High: 3 °C

      W 10km/h
      < 1m

    • Saturday Night

      Saturday Night:WNW wind around 10 km/h. Mostly clear. Seas 1 m or less.

      Low: -9 °C

      WNW 10km/h
      < 1m

    • Sunday

      Sunday:NW wind 5 to 10 km/h becoming N in the afternoon. Mostly sunny. Seas 1 m or less.

      High: 2 °C

      NW 10km/h
      < 1m

    • Sunday Night

      Sunday Night:N wind 5 to 10 km/h. Mostly cloudy. Seas 1 m or less.

      Low: -6 °C

      N 10km/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

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Detailed Forecast


Tonight
WNW wind around 10 km/h. A slight chance of snow showers before 2am, then a slight chance of snow showers after 4am. Seas 1 m or less.
Thursday
NNW wind 10 to 15 km/h, with gusts as high as 30 km/h. Mostly cloudy, then gradually becoming sunny. Seas 1 m or less.
Thursday Night
NW wind around 10 km/h. Mostly clear. Seas 1 m or less.
Friday
WNW wind around 10 km/h. Sunny. Seas 1 m or less.
Friday Night
W wind around 10 km/h. Partly cloudy. Seas 1 m or less.
Saturday
W wind around 10 km/h. Mostly sunny. Seas 1 m or less.
Saturday Night
WNW wind around 10 km/h. Mostly clear. Seas 1 m or less.
Sunday
NW wind 5 to 10 km/h becoming N in the afternoon. Mostly sunny. Seas 1 m or less.
Sunday Night
N wind 5 to 10 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: 43.31°N 70.57°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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