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Gray/Portland, ME Local Forecast Office

6NM SSE Portsmouth NH

Marine Point Forecast

[NOTICE]
    • This Afternoon

      This Afternoon:Variable winds 5 kt or less. Mostly cloudy. Seas around 4 ft.

      High: 46 °F

      Light Wind
      4ft

    • Tonight

      Tonight:Variable winds 5 kt or less. Mostly cloudy. Seas 3 to 4 ft.

      Low: 35 °F

      Light Wind
      3-4ft

    • Saturday

      Saturday:Variable winds 5 kt or less. Partly sunny. Seas around 3 ft.

      High: 47 °F

      Light Wind
      3ft

    • Saturday Night

      Saturday Night:WNW wind 5 to 10 kt. Mostly cloudy. Seas 2 to 3 ft.

      Low: 38 °F

      WNW 10kt
      2-3ft

    • Sunday

      Sunday:NW wind around 10 kt. Mostly sunny. Seas 1 to 2 ft.

      High: 47 °F

      NW 10kt
      1-2ft

    • Sunday Night

      Sunday Night:WNW wind 5 to 10 kt. Mostly clear. Seas around 1 ft.

      Low: 37 °F

      WNW 10kt
      1ft

    • Monday

      Monday:Variable winds 5 kt or less. Sunny. Seas around 1 ft.

      High: 48 °F

      Light Wind
      1ft

    • Monday Night

      Monday Night:Variable winds 5 kt or less. Clear. Seas around 1 ft.

      Low: 36 °F

      Light Wind
      1ft

    • Tuesday

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

      High: 54 °F

      Light Wind
      1ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 3:23 pm EST Nov 13, 2026
Forecast Valid: 3pm EST Nov 13, 2026-6pm EST Nov 20, 2026

View Nearby Observations

Detailed Forecast


This Afternoon
Variable winds 5 kt or less. Mostly cloudy. Seas around 4 ft.
Tonight
Variable winds 5 kt or less. Mostly cloudy. Seas 3 to 4 ft.
Saturday
Variable winds 5 kt or less. Partly sunny. Seas around 3 ft.
Saturday Night
WNW wind 5 to 10 kt. Mostly cloudy. Seas 2 to 3 ft.
Sunday
NW wind around 10 kt. Mostly sunny. Seas 1 to 2 ft.
Sunday Night
WNW wind 5 to 10 kt. Mostly clear. Seas around 1 ft.
Monday
Variable winds 5 kt or less. Sunny. Seas around 1 ft.
Monday Night
Variable winds 5 kt or less. Clear. Seas around 1 ft.
Tuesday
Variable winds 5 kt or less. 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: 3:23 pm EST Nov 13, 2026
Forecast Valid: 3pm EST Nov 13, 2026-6pm EST Nov 20, 2026
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