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Gray/Portland, ME Local Forecast Office

6NM SSE Portsmouth NH

Marine Point Forecast

[NOTICE]

    • Saturday

      Saturday:N wind 7 to 10 kt decreasing to 5 to 8 kt in the afternoon. A chance of snow, mainly before 8am. Widespread freezing spray between 7am and 10am. Seas 2 to 3 ft.

      High: 27 °F

      N 10kt⇓
      2-3ft

    • Saturday Night

      Saturday Night:Variable winds 5 kt or less. Mostly clear. Seas 2 to 3 ft.

      Low: 20 °F

      Light Wind
      2-3ft

    • Sunday

      Sunday:Variable winds 5 kt or less. Mostly sunny. Seas around 2 ft.

      High: 36 °F

      Light Wind
      2ft

    • Sunday Night

      Sunday Night:Variable winds 5 kt or less. Rain, mainly after 2am. Seas around 2 ft.

      Low: 31 °F

      Light Wind
      2ft

    • Monday

      Monday:SSE wind around 10 kt becoming SSW in the afternoon. Rain. Seas around 2 ft.

      High: 43 °F

      S 10kt
      2ft

    • Monday Night

      Monday Night:W wind 10 to 13 kt increasing to 12 to 15 kt after midnight. Winds could gust as high as 25 kt. A chance of rain before 7pm. Seas 2 to 3 ft.

      Low: 27 °F

      ⇑W 15kt
      2-3ft

    • Tuesday

      Tuesday:W wind 15 to 20 kt. Mostly sunny. Seas around 2 ft.

      High: 30 °F

      W 20kt
      2ft

    • Tuesday Night

      Tuesday Night:W wind around 15 kt, with gusts as high as 25 kt. Partly cloudy. Seas around 2 ft.

      Low: 22 °F

      W 15kt
      2ft

    • Wednesday

      Wednesday:WSW wind 10 to 15 kt. Partly sunny. Seas 1 to 2 ft.

      High: 34 °F

      WSW 15kt
      1-2ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 11:54 pm EST Dec 26, 2025
Forecast Valid: 1am EST Dec 27, 2025-6pm EST Jan 2, 2026

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Detailed Forecast


Saturday
N wind 7 to 10 kt decreasing to 5 to 8 kt in the afternoon. A chance of snow, mainly before 8am. Widespread freezing spray between 7am and 10am. Seas 2 to 3 ft.
Saturday Night
Variable winds 5 kt or less. Mostly clear. Seas 2 to 3 ft.
Sunday
Variable winds 5 kt or less. Mostly sunny. Seas around 2 ft.
Sunday Night
Variable winds 5 kt or less. Rain, mainly after 2am. Seas around 2 ft.
Monday
SSE wind around 10 kt becoming SSW in the afternoon. Rain. Seas around 2 ft.
Monday Night
W wind 10 to 13 kt increasing to 12 to 15 kt after midnight. Winds could gust as high as 25 kt. A chance of rain before 7pm. Seas 2 to 3 ft.
Tuesday
W wind 15 to 20 kt. Mostly sunny. Seas around 2 ft.
Tuesday Night
W wind around 15 kt, with gusts as high as 25 kt. Partly cloudy. Seas around 2 ft.
Wednesday
WSW wind 10 to 15 kt. Partly sunny. Seas 1 to 2 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: 11:54 pm EST Dec 26, 2025
Forecast Valid: 1am EST Dec 27, 2025-6pm EST Jan 2, 2026
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