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Gray/Portland, ME Local Forecast Office

8NM ESE Portsmouth NH

Marine Point Forecast

[NOTICE]
    • Overnight

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

      Low: 57 °F

      Light Wind
      1ft

    • Wednesday

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

      High: 65 °F

      Light Wind
      1ft

    • Wednesday Night

      Wednesday Night:Variable winds 5 kt or less. A chance of showers, mainly after 1am.   Seas around 1 ft.

      Low: 60 °F

      Light Wind
      1ft

    • Thursday

      Thursday:Variable winds 5 kt or less. A chance of showers before 10am.   Seas around 1 ft.

      High: 68 °F

      Light Wind
      1ft

    • Thursday Night

      Thursday Night:S wind 5 to 10 kt becoming W after midnight. Mostly clear. Seas around 2 ft.

      Low: 63 °F

      S 10kt
      2ft

    • Friday

      Friday:NW wind 5 to 10 kt becoming N in the afternoon. Sunny. Seas around 2 ft.

      High: 69 °F

      NW 10kt
      2ft

    • Friday Night

      Friday Night:N wind around 10 kt. Clear. Seas around 2 ft.

      Low: 54 °F

      N 10kt
      2ft

    • Saturday

      Saturday:N wind 5 to 10 kt becoming SE in the afternoon. Sunny. Seas 1 to 2 ft.

      High: 60 °F

      N 10kt
      1-2ft

    • Saturday Night

      Saturday Night:S wind 5 to 10 kt becoming WSW after midnight. Clear. Seas 1 to 2 ft.

      Low: 53 °F

      S 10kt
      1-2ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 10:58 pm EDT Sep 16, 2025
Forecast Valid: 11pm EDT Sep 16, 2025-6pm EDT Sep 23, 2025

View Nearby Observations

Detailed Forecast


Overnight
Variable winds 5 kt or less. Mostly cloudy. Seas around 1 ft.
Wednesday
Variable winds 5 kt or less. Partly sunny. Seas around 1 ft.
Wednesday Night
Variable winds 5 kt or less. A chance of showers, mainly after 1am. Seas around 1 ft.
Thursday
Variable winds 5 kt or less. A chance of showers before 10am. Seas around 1 ft.
Thursday Night
S wind 5 to 10 kt becoming W after midnight. Mostly clear. Seas around 2 ft.
Friday
NW wind 5 to 10 kt becoming N in the afternoon. Sunny. Seas around 2 ft.
Friday Night
N wind around 10 kt. Clear. Seas around 2 ft.
Saturday
N wind 5 to 10 kt becoming SE in the afternoon. Sunny. Seas 1 to 2 ft.
Saturday Night
S wind 5 to 10 kt becoming WSW after midnight. Clear. 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: 10:58 pm EDT Sep 16, 2025
Forecast Valid: 11pm EDT Sep 16, 2025-6pm EDT Sep 23, 2025
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