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Gray/Portland, ME Local Forecast Office

8NM SE Portsmouth NH

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:Variable winds 5 kt or less. Patchy fog after midnight.  Seas around 1 ft.

      Low: 33 °F

      Light Wind
      1ft

    • Friday

      Friday:SSE wind 5 to 8 kt becoming E 7 to 10 kt in the afternoon. A chance of snow between 2pm and 5pm, then snow likely, possibly mixed with rain.   Seas around 1 ft.

      High: 38 °F

      ⇑E 10kt
      1ft

    • Friday Night

      Friday Night:E wind 15 to 20 kt becoming NNE after midnight. Winds could gust as high as 30 kt. Snow.   Seas 1 ft building to 3 ft.

      Low: 26 °F

      NNE 20kt
      Waves Building3ft

    • Saturday

      Saturday:NNE wind 15 to 20 kt decreasing to 10 to 15 kt in the afternoon. Winds could gust as high as 30 kt. Snow likely before 1pm.   Seas around 2 ft.

      High: 33 °F

      NNE 20kt⇓
      2ft

    • Saturday Night

      Saturday Night:NNE wind 10 to 15 kt. Partly cloudy. Seas around 2 ft.

      Low: 30 °F

      NNE 15kt
      2ft

    • Sunday

      Sunday:NNE wind around 15 kt, with gusts as high as 25 kt. Mostly cloudy. Seas around 2 ft.

      High: 36 °F

      NNE 15kt
      2ft

    • Sunday Night

      Sunday Night:ENE wind 20 to 25 kt increasing to 25 to 30 kt after midnight. Winds could gust as high as 40 kt. A chance of snow after 8pm.   Seas 2 to 3 ft.

      Low: 29 °F

      ⇑ENE 30kt
      2-3ft

    • Monday

      Monday:NNE wind around 30 kt, with gusts as high as 40 kt. A chance of snow.   Seas 4 to 5 ft.

      High: 34 °F

      NNE 30kt
      4-5ft

    • Monday Night

      Monday Night:N wind 22 to 25 kt becoming NW 20 to 23 kt after midnight. Winds could gust as high as 35 kt. A chance of snow.   Seas 4 to 5 ft.

      Low: 27 °F

      N 25kt⇓
      4-5ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 2:49 pm EST Feb 19, 2026
Forecast Valid: 4pm EST Feb 19, 2026-6pm EST Feb 26, 2026

View Nearby Observations

Detailed Forecast


Tonight
Variable winds 5 kt or less. Patchy fog after midnight. Seas around 1 ft.
Friday
SSE wind 5 to 8 kt becoming E 7 to 10 kt in the afternoon. A chance of snow between 2pm and 5pm, then snow likely, possibly mixed with rain. Seas around 1 ft.
Friday Night
E wind 15 to 20 kt becoming NNE after midnight. Winds could gust as high as 30 kt. Snow. Seas 1 ft building to 3 ft.
Saturday
NNE wind 15 to 20 kt decreasing to 10 to 15 kt in the afternoon. Winds could gust as high as 30 kt. Snow likely before 1pm. Seas around 2 ft.
Saturday Night
NNE wind 10 to 15 kt. Partly cloudy. Seas around 2 ft.
Sunday
NNE wind around 15 kt, with gusts as high as 25 kt. Mostly cloudy. Seas around 2 ft.
Sunday Night
ENE wind 20 to 25 kt increasing to 25 to 30 kt after midnight. Winds could gust as high as 40 kt. A chance of snow after 8pm. Seas 2 to 3 ft.
Monday
NNE wind around 30 kt, with gusts as high as 40 kt. A chance of snow. Seas 4 to 5 ft.
Monday Night
N wind 22 to 25 kt becoming NW 20 to 23 kt after midnight. Winds could gust as high as 35 kt. A chance of snow. Seas 4 to 5 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: 2:49 pm EST Feb 19, 2026
Forecast Valid: 4pm EST Feb 19, 2026-6pm EST Feb 26, 2026
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