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Gray/Portland, ME Local Forecast Office

5NM SSE Portsmouth NH

Marine Point Forecast

[NOTICE]
    • Tuesday

      Tuesday:Variable winds 5 kt or less. Increasing clouds. Seas around 1 ft.

      High: 32 °F

      Light Wind
      1ft

    • Tuesday Night

      Tuesday Night:SSW wind around 10 kt. A chance of snow, mainly before 3am.   Seas around 2 ft.

      Low: 27 °F

      SSW 10kt
      2ft

    • Wednesday

      Wednesday:SSW wind 10 to 15 kt. A slight chance of snow before 10am, then rain.   Seas around 2 ft.

      High: 45 °F

      SSW 15kt
      2ft

    • Wednesday Night

      Wednesday Night:SW wind around 10 kt. Rain likely before midnight.   Seas around 3 ft.

      Low: 33 °F

      SW 10kt
      3ft

    • Thursday

      Thursday:W wind 10 to 15 kt. Mostly sunny. Seas around 2 ft.

      High: 37 °F

      W 15kt
      2ft

    • Thursday Night

      Thursday Night:W wind 10 to 15 kt. Partly cloudy. Seas around 2 ft.

      Low: 24 °F

      W 15kt
      2ft

    • Friday

      Friday:W wind around 15 kt. Sunny. Seas 1 to 2 ft.

      High: 32 °F

      W 15kt
      1-2ft

    • Friday Night

      Friday Night:W wind around 10 kt. Partly cloudy. Seas around 1 ft.

      Low: 25 °F

      W 10kt
      1ft

    • Saturday

      Saturday:WSW wind around 10 kt. Partly sunny. Seas around 1 ft.

      High: 35 °F

      WSW 10kt
      1ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 12:39 am EST Dec 9, 2025
Forecast Valid: 1am EST Dec 9, 2025-6pm EST Dec 15, 2025

View Nearby Observations

Detailed Forecast


Tuesday
Variable winds 5 kt or less. Increasing clouds. Seas around 1 ft.
Tuesday Night
SSW wind around 10 kt. A chance of snow, mainly before 3am. Seas around 2 ft.
Wednesday
SSW wind 10 to 15 kt. A slight chance of snow before 10am, then rain. Seas around 2 ft.
Wednesday Night
SW wind around 10 kt. Rain likely before midnight. Seas around 3 ft.
Thursday
W wind 10 to 15 kt. Mostly sunny. Seas around 2 ft.
Thursday Night
W wind 10 to 15 kt. Partly cloudy. Seas around 2 ft.
Friday
W wind around 15 kt. Sunny. Seas 1 to 2 ft.
Friday Night
W wind around 10 kt. Partly cloudy. Seas around 1 ft.
Saturday
WSW wind around 10 kt. Partly sunny. Seas around 1 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: 42.98°N 70.74°W
Last Update: 12:39 am EST Dec 9, 2025
Forecast Valid: 1am EST Dec 9, 2025-6pm EST Dec 15, 2025
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