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Gray/Portland, ME Local Forecast Office

8NM SE Portsmouth NH

Marine Point Forecast

[NOTICE]
    • Today

      Today:WSW wind 5 to 10 kt becoming SSW in the afternoon. Sunny. Seas 1 to 2 ft.

      High: 80 °F

      WSW 10kt
      1-2ft

    • Tonight

      Tonight:WSW wind 5 to 10 kt. Mostly clear. Seas 1 to 2 ft.

      Low: 72 °F

      WSW 10kt
      1-2ft

    • Friday

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

      High: 81 °F

      Light Wind
      1ft

    • Friday Night

      Friday Night:Variable winds 5 kt or less. Mostly clear. Seas around 1 ft.

      Low: 70 °F

      Light Wind
      1ft

    • Independence Day

      Independence Day:Variable winds 5 kt or less. A chance of showers after 2pm.   Seas around 1 ft.

      High: 78 °F

      Light Wind
      1ft

    • Saturday Night

      Saturday Night:Variable winds 5 kt or less. A chance of showers before 8pm.   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. Mostly cloudy. Seas around 1 ft.

      High: 67 °F

      Light Wind
      1ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 2:17 am EDT Jul 2, 2026
Forecast Valid: 6am EDT Jul 2, 2026-6pm EDT Jul 8, 2026

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Detailed Forecast


Today
WSW wind 5 to 10 kt becoming SSW in the afternoon. Sunny. Seas 1 to 2 ft.
Tonight
WSW wind 5 to 10 kt. Mostly clear. Seas 1 to 2 ft.
Friday
Variable winds 5 kt or less. Sunny. Seas around 1 ft.
Friday Night
Variable winds 5 kt or less. Mostly clear. Seas around 1 ft.
Independence Day
Variable winds 5 kt or less. A chance of showers after 2pm. Seas around 1 ft.
Saturday Night
Variable winds 5 kt or less. A chance of showers before 8pm. 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. 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: 42.99°N 70.62°W
Last Update: 2:17 am EDT Jul 2, 2026
Forecast Valid: 6am EDT Jul 2, 2026-6pm EDT Jul 8, 2026
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