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Gray/Portland, ME Local Forecast Office

3NM SE Portsmouth NH

Marine Point Forecast

[NOTICE]
    • Friday

      Friday:SSW wind 5 to 8 kt becoming ESE 7 to 10 kt in the afternoon. Snow likely, mainly after 4pm.   Seas 1 ft or less.

      High: 37 °F

      ⇑ESE 10kt
      < 1ft

    • Friday Night

      Friday Night:E wind 10 to 15 kt becoming NNE after midnight. Winds could gust as high as 25 kt. Snow, mainly before 5am.   Seas 1 ft or less.

      Low: 24 °F

      ENE 15kt
      < 1ft

    • Saturday

      Saturday:NNE wind 10 to 15 kt decreasing to 5 to 10 kt in the afternoon. Winds could gust as high as 25 kt. A chance of snow, mainly before 1pm.   Seas 1 ft or less.

      High: 33 °F

      NNE 15kt⇓
      < 1ft

    • Saturday Night

      Saturday Night:N wind 5 to 10 kt. Partly cloudy. Seas 1 ft or less.

      Low: 25 °F

      N 10kt
      < 1ft

    • Sunday

      Sunday:NNE wind around 10 kt becoming ENE in the afternoon. Winds could gust as high as 20 kt. Partly sunny. Seas 1 ft or less.

      High: 37 °F

      ENE 10kt
      < 1ft

    • Sunday Night

      Sunday Night:ENE wind 10 to 15 kt increasing to 15 to 20 kt after midnight. Winds could gust as high as 30 kt. A chance of snow after 1am.   Seas 1 ft or less.

      Low: 29 °F

      ⇑ENE 20kt
      < 1ft

    • Monday

      Monday:NNE wind 15 to 20 kt, with gusts as high as 30 kt. A chance of snow before 3pm.   Seas 1 ft or less.

      High: 34 °F

      NNE 20kt
      < 1ft

    • Monday Night

      Monday Night:N wind around 10 kt becoming NW after midnight. Winds could gust as high as 20 kt. Mostly cloudy. Seas 1 ft or less.

      Low: 25 °F

      N 10kt
      < 1ft

    • Tuesday

      Tuesday:NW wind 5 to 10 kt. Mostly sunny. Seas 1 ft or less.

      High: 36 °F

      NW 10kt
      < 1ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 1:53 am EST Feb 20, 2026
Forecast Valid: 3am EST Feb 20, 2026-6pm EST Feb 26, 2026

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Detailed Forecast


Friday
SSW wind 5 to 8 kt becoming ESE 7 to 10 kt in the afternoon. Snow likely, mainly after 4pm. Seas 1 ft or less.
Friday Night
E wind 10 to 15 kt becoming NNE after midnight. Winds could gust as high as 25 kt. Snow, mainly before 5am. Seas 1 ft or less.
Saturday
NNE wind 10 to 15 kt decreasing to 5 to 10 kt in the afternoon. Winds could gust as high as 25 kt. A chance of snow, mainly before 1pm. Seas 1 ft or less.
Saturday Night
N wind 5 to 10 kt. Partly cloudy. Seas 1 ft or less.
Sunday
NNE wind around 10 kt becoming ENE in the afternoon. Winds could gust as high as 20 kt. Partly sunny. Seas 1 ft or less.
Sunday Night
ENE wind 10 to 15 kt increasing to 15 to 20 kt after midnight. Winds could gust as high as 30 kt. A chance of snow after 1am. Seas 1 ft or less.
Monday
NNE wind 15 to 20 kt, with gusts as high as 30 kt. A chance of snow before 3pm. Seas 1 ft or less.
Monday Night
N wind around 10 kt becoming NW after midnight. Winds could gust as high as 20 kt. Mostly cloudy. Seas 1 ft or less.
Tuesday
NW wind 5 to 10 kt. Mostly sunny. Seas 1 ft 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: 43.02°N 70.73°W
Last Update: 1:53 am EST Feb 20, 2026
Forecast Valid: 3am EST Feb 20, 2026-6pm EST Feb 26, 2026
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