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Gray/Portland, ME Local Forecast Office

6NM SSE Portsmouth NH

Marine Point Forecast

[NOTICE]
    • Today

      Today:W wind 10 to 15 kt. Widespread freezing spray before 11am. Mostly sunny. Seas around 2 ft.

      High: 26 °F

      W 15kt
      2ft

    • Tonight

      Tonight:W wind around 10 kt. Mostly clear. Seas 1 to 2 ft.

      Low: 19 °F

      W 10kt
      1-2ft

    • Saturday

      Saturday:W wind around 10 kt. Widespread freezing spray before 10am. Sunny. Seas around 1 ft.

      High: 27 °F

      W 10kt
      1ft

    • Saturday Night

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

      Low: 20 °F

      Light Wind
      1ft

    • Sunday

      Sunday:Variable winds 5 kt or less. Partly sunny. Seas around 1 ft.

      High: 27 °F

      Light Wind
      1ft

    • Sunday Night

      Sunday Night:NW wind 5 to 10 kt. Widespread freezing spray after midnight. Mostly clear. Seas around 1 ft.

      Low: 11 °F

      NW 10kt
      1ft

    • Monday

      Monday:NW wind 5 to 10 kt becoming W in the afternoon. Widespread freezing spray before 11am. Mostly sunny. Seas around 1 ft.

      High: 24 °F

      NW 10kt
      1ft

    • Monday Night

      Monday Night:Variable winds 5 kt or less. A chance of snow.   Seas around 1 ft.

      Low: 20 °F

      Light Wind
      1ft

    • Tuesday

      Tuesday:Variable winds 5 kt or less. Mostly cloudy. Seas around 1 ft.

      High: 35 °F

      Light Wind
      1ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 6:54 am EST Jan 2, 2026
Forecast Valid: 7am EST Jan 2, 2026-6pm EST Jan 8, 2026

View Nearby Observations

Detailed Forecast


Today
W wind 10 to 15 kt. Widespread freezing spray before 11am. Mostly sunny. Seas around 2 ft.
Tonight
W wind around 10 kt. Mostly clear. Seas 1 to 2 ft.
Saturday
W wind around 10 kt. Widespread freezing spray before 10am. Sunny. Seas around 1 ft.
Saturday Night
Variable winds 5 kt or less. Increasing clouds. Seas around 1 ft.
Sunday
Variable winds 5 kt or less. Partly sunny. Seas around 1 ft.
Sunday Night
NW wind 5 to 10 kt. Widespread freezing spray after midnight. Mostly clear. Seas around 1 ft.
Monday
NW wind 5 to 10 kt becoming W in the afternoon. Widespread freezing spray before 11am. Mostly sunny. Seas around 1 ft.
Monday Night
Variable winds 5 kt or less. A chance of snow. Seas around 1 ft.
Tuesday
Variable winds 5 kt or less. Mostly cloudy. 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: 6:54 am EST Jan 2, 2026
Forecast Valid: 7am EST Jan 2, 2026-6pm EST Jan 8, 2026
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