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Gray/Portland, ME Local Forecast Office

3NM SE Portsmouth NH

Marine Point Forecast

[NOTICE]
    • This Afternoon

      This Afternoon:SSW wind 10 to 15 kt, with gusts as high as 25 kt. A chance of rain and snow, mainly before 1pm.   Seas 1 ft or less.

      High: 39 °F

      SSW 15kt
      < 1ft

    • Tonight

      Tonight:SSW wind around 10 kt, with gusts as high as 20 kt. A slight chance of rain and snow showers before midnight, then scattered rain showers between midnight and 2am.   Seas 2 to 3 ft.

      Low: 30 °F

      SSW 10kt
      2-3ft

    • Thursday

      Thursday:W wind around 10 kt, with gusts as high as 20 kt. Increasing clouds. Seas 1 ft or less.

      High: 38 °F

      W 10kt
      < 1ft

    • Thursday Night

      Thursday Night:W wind 5 to 10 kt becoming NW after midnight. Partly cloudy. Seas 1 ft or less.

      Low: 21 °F

      W 10kt
      < 1ft

    • Friday

      Friday:NW wind 5 to 10 kt becoming SSW in the afternoon. Sunny. Seas 1 ft or less.

      High: 38 °F

      SSW 10kt
      < 1ft

    • Friday Night

      Friday Night:SSW wind around 10 kt, with gusts as high as 20 kt. Mostly clear. Seas 1 ft or less.

      Low: 29 °F

      SSW 10kt
      < 1ft

    • Saturday

      Saturday:SSW wind 10 to 15 kt, with gusts as high as 25 kt. Mostly sunny. Seas 1 ft or less.

      High: 46 °F

      SSW 15kt
      < 1ft

    • Saturday Night

      Saturday Night:Variable winds 5 kt or less. Partly cloudy. Seas 1 ft or less.

      Low: 28 °F

      Light Wind
      < 1ft

    • Sunday

      Sunday:W wind around 10 kt. Partly sunny. Seas 1 ft or less.

      High: 35 °F

      W 10kt
      < 1ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 10:39 am EST Feb 25, 2026
Forecast Valid: 12pm EST Feb 25, 2026-6pm EST Mar 3, 2026

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Detailed Forecast


This Afternoon
SSW wind 10 to 15 kt, with gusts as high as 25 kt. A chance of rain and snow, mainly before 1pm. Seas 1 ft or less.
Tonight
SSW wind around 10 kt, with gusts as high as 20 kt. A slight chance of rain and snow showers before midnight, then scattered rain showers between midnight and 2am. Seas 2 to 3 ft.
Thursday
W wind around 10 kt, with gusts as high as 20 kt. Increasing clouds. Seas 1 ft or less.
Thursday Night
W wind 5 to 10 kt becoming NW after midnight. Partly cloudy. Seas 1 ft or less.
Friday
NW wind 5 to 10 kt becoming SSW in the afternoon. Sunny. Seas 1 ft or less.
Friday Night
SSW wind around 10 kt, with gusts as high as 20 kt. Mostly clear. Seas 1 ft or less.
Saturday
SSW wind 10 to 15 kt, with gusts as high as 25 kt. Mostly sunny. Seas 1 ft or less.
Saturday Night
Variable winds 5 kt or less. Partly cloudy. Seas 1 ft or less.
Sunday
W wind around 10 kt. Partly 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: 10:39 am EST Feb 25, 2026
Forecast Valid: 12pm EST Feb 25, 2026-6pm EST Mar 3, 2026
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