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Gray/Portland, ME Local Forecast Office

9NM SE Portsmouth NH

Marine Point Forecast

[NOTICE]
    • This Afternoon

      This Afternoon:Variable winds 5 kt or less. Mostly cloudy. Seas 1 to 2 ft.

      High: 45 °F

      Light Wind
      1-2ft

    • Tonight

      Tonight:NW wind around 10 kt. Mostly cloudy, then gradually becoming mostly clear. Seas around 1 ft.

      Low: 41 °F

      NW 10kt
      1ft

    • Sunday

      Sunday:NW wind 10 to 15 kt. Sunny. Seas 1 to 2 ft.

      High: 48 °F

      NW 15kt
      1-2ft

    • Sunday Night

      Sunday Night:NW wind around 10 kt. Partly cloudy. Seas 1 to 2 ft.

      Low: 41 °F

      NW 10kt
      1-2ft

    • Monday

      Monday:NW wind 5 to 10 kt. Sunny. Seas around 1 ft.

      High: 49 °F

      NW 10kt
      1ft

    • Monday Night

      Monday Night:NW wind 5 to 10 kt. Mostly clear. Seas around 1 ft.

      Low: 39 °F

      NW 10kt
      1ft

    • Tuesday

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

      High: 53 °F

      Light Wind
      1ft

    • Tuesday Night

      Tuesday Night:W wind around 10 kt. Mostly clear. Seas around 1 ft.

      Low: 45 °F

      W 10kt
      1ft

    • Wednesday

      Wednesday:W wind 5 to 10 kt. Sunny. Seas around 1 ft.

      High: 57 °F

      W 10kt
      1ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 9:22 am EST Nov 14, 2026
Forecast Valid: 2pm EST Nov 14, 2026-6pm EST Nov 20, 2026

View Nearby Observations

Detailed Forecast


This Afternoon
Variable winds 5 kt or less. Mostly cloudy. Seas 1 to 2 ft.
Tonight
NW wind around 10 kt. Mostly cloudy, then gradually becoming mostly clear. Seas around 1 ft.
Sunday
NW wind 10 to 15 kt. Sunny. Seas 1 to 2 ft.
Sunday Night
NW wind around 10 kt. Partly cloudy. Seas 1 to 2 ft.
Monday
NW wind 5 to 10 kt. Sunny. Seas around 1 ft.
Monday Night
NW wind 5 to 10 kt. Mostly clear. Seas around 1 ft.
Tuesday
Variable winds 5 kt or less. Sunny. Seas around 1 ft.
Tuesday Night
W wind around 10 kt. Mostly clear. Seas around 1 ft.
Wednesday
W wind 5 to 10 kt. 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: 42.99°N 70.62°W
Last Update: 9:22 am EST Nov 14, 2026
Forecast Valid: 2pm EST Nov 14, 2026-6pm EST Nov 20, 2026
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