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Gray/Portland, ME Local Forecast Office

6NM SSE Portsmouth NH

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:Variable winds 5 kt or less. Mostly clear. Seas around 2 ft.

      Low: 36 °F

      Light Wind
      2ft

    • Wednesday

      Wednesday:Variable winds 5 kt or less. Increasing clouds. Seas around 2 ft.

      High: 52 °F

      Light Wind
      2ft

    • Wednesday Night

      Wednesday Night:Variable winds 5 kt or less. Mostly clear. Seas around 2 ft.

      Low: 46 °F

      Light Wind
      2ft

    • Thursday

      Thursday:SW wind 5 to 10 kt. Sunny. Seas around 2 ft.

      High: 64 °F

      SW 10kt
      2ft

    • Thursday Night

      Thursday Night:SW wind around 10 kt. Mostly clear. Seas around 2 ft.

      Low: 56 °F

      SW 10kt
      2ft

    • Friday

      Friday:WSW wind 5 to 10 kt becoming WNW in the afternoon. Sunny. Seas around 1 ft.

      High: 65 °F

      W 10kt
      1ft

    • Friday Night

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

      Low: 44 °F

      Light Wind
      1ft

    • Saturday

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

      High: 55 °F

      Light Wind
      1ft

    • Saturday Night

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

      Low: 41 °F

      Light Wind
      1ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 2:23 pm EDT Oct 27, 2026
Forecast Valid: 4pm EDT Oct 27, 2026-6pm EST Nov 3, 2026

View Nearby Observations

Detailed Forecast


Tonight
Variable winds 5 kt or less. Mostly clear. Seas around 2 ft.
Wednesday
Variable winds 5 kt or less. Increasing clouds. Seas around 2 ft.
Wednesday Night
Variable winds 5 kt or less. Mostly clear. Seas around 2 ft.
Thursday
SW wind 5 to 10 kt. Sunny. Seas around 2 ft.
Thursday Night
SW wind around 10 kt. Mostly clear. Seas around 2 ft.
Friday
WSW wind 5 to 10 kt becoming WNW in the afternoon. Sunny. Seas around 1 ft.
Friday Night
Variable winds 5 kt or less. Mostly clear. Seas around 1 ft.
Saturday
Variable winds 5 kt or less. Sunny. Seas around 1 ft.
Saturday Night
Variable winds 5 kt or less. Mostly clear. 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: 42.98°N 70.74°W
Last Update: 2:23 pm EDT Oct 27, 2026
Forecast Valid: 4pm EDT Oct 27, 2026-6pm EST Nov 3, 2026
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