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Gray/Portland, ME Local Forecast Office

3NM SE Portsmouth NH

Marine Point Forecast

[NOTICE]
    • Friday

      Friday:SSW wind 5 to 10 kt. Sunny. Seas 1 ft or less.

      High: 67 °F

      SSW 10kt
      < 1ft

    • Friday Night

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

      Low: 54 °F

      Light Wind
      < 1ft

    • Saturday

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

      High: 71 °F

      Light Wind
      < 1ft

    • Saturday Night

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

      Low: 58 °F

      Light Wind
      < 1ft

    • Sunday

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

      High: 67 °F

      Light Wind
      < 1ft

    • Sunday Night

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

      Low: 59 °F

      Light Wind
      < 1ft

    • Monday

      Monday:SW wind 5 to 10 kt becoming S in the afternoon. Sunny. Seas 1 ft or less.

      High: 72 °F

      SSW 10kt
      < 1ft

    • Monday Night

      Monday Night:SW wind around 10 kt. Mostly clear. Seas 1 ft or less.

      Low: 60 °F

      SW 10kt
      < 1ft

    • Tuesday

      Tuesday:SSW wind around 10 kt. Mostly sunny. Seas 1 ft or less.

      High: 72 °F

      SSW 10kt
      < 1ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 1:25 am EDT Oct 3, 2025
Forecast Valid: 2am EDT Oct 3, 2025-6pm EDT Oct 9, 2025

View Nearby Observations

Detailed Forecast


Friday
SSW wind 5 to 10 kt. Sunny. Seas 1 ft or less.
Friday Night
Variable winds 5 kt or less. Mostly clear. Seas 1 ft or less.
Saturday
Variable winds 5 kt or less. Sunny. Seas 1 ft or less.
Saturday Night
Variable winds 5 kt or less. Mostly clear. Seas 1 ft or less.
Sunday
Variable winds 5 kt or less. Sunny. Seas 1 ft or less.
Sunday Night
Variable winds 5 kt or less. Mostly clear. Seas 1 ft or less.
Monday
SW wind 5 to 10 kt becoming S in the afternoon. Sunny. Seas 1 ft or less.
Monday Night
SW wind around 10 kt. Mostly clear. Seas 1 ft or less.
Tuesday
SSW wind around 10 kt. Mostly sunny. Seas 1 ft or less.

*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: 43.02°N 70.73°W
Last Update: 1:25 am EDT Oct 3, 2025
Forecast Valid: 2am EDT Oct 3, 2025-6pm EDT Oct 9, 2025
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