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Gray/Portland, ME Local Forecast Office

8NM SE Portsmouth NH

Marine Point Forecast

[NOTICE]
    • Today

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

      High: 83 °F

      Light Wind
      1ft

    • Tonight

      Tonight:Variable winds 5 kt or less. Scattered showers and thunderstorms between 11pm and 1am.   Seas around 1 ft.

      Low: 69 °F

      Light Wind
      1ft

    • Independence Day

      Independence Day:Variable winds 5 kt or less. A chance of showers after 3pm.   Seas around 1 ft.

      High: 79 °F

      Light Wind
      1ft

    • Saturday Night

      Saturday Night:Variable winds 5 kt or less. Partly cloudy. Seas around 1 ft.

      Low: 65 °F

      Light Wind
      1ft

    • Sunday

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

      High: 72 °F

      Light Wind
      1ft

    • Sunday Night

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

      Low: 63 °F

      Light Wind
      1ft

    • Monday

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

      High: 68 °F

      Light Wind
      1ft

    • Monday Night

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

      Low: 62 °F

      Light Wind
      1ft

    • Tuesday

      Tuesday:E wind 5 to 10 kt. A chance of showers.   Seas 1 to 2 ft.

      High: 68 °F

      E 10kt
      1-2ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 6:14 am EDT Jul 3, 2026
Forecast Valid: 10am EDT Jul 3, 2026-6pm EDT Jul 9, 2026

View Nearby Observations

Detailed Forecast


Today
Variable winds 5 kt or less. Sunny. Seas around 1 ft.
Tonight
Variable winds 5 kt or less. Scattered showers and thunderstorms between 11pm and 1am. Seas around 1 ft.
Independence Day
Variable winds 5 kt or less. A chance of showers after 3pm. Seas around 1 ft.
Saturday Night
Variable winds 5 kt or less. Partly cloudy. Seas around 1 ft.
Sunday
Variable winds 5 kt or less. Mostly sunny. Seas around 1 ft.
Sunday Night
Variable winds 5 kt or less. Mostly cloudy. Seas around 1 ft.
Monday
Variable winds 5 kt or less. Partly sunny. Seas around 1 ft.
Monday Night
Variable winds 5 kt or less. A chance of showers. Seas around 1 ft.
Tuesday
E wind 5 to 10 kt. A chance of showers. 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: 42.99°N 70.62°W
Last Update: 6:14 am EDT Jul 3, 2026
Forecast Valid: 10am EDT Jul 3, 2026-6pm EDT Jul 9, 2026
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