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Gray/Portland, ME Local Forecast Office

4NM E Portsmouth NH

Marine Point Forecast

[NOTICE]
    • Friday

      Friday:NE wind 7 to 10 kt decreasing to 5 to 8 kt in the afternoon. Rain, mainly before 2pm.  Patchy dense fog before 9am.  Seas 1 to 2 ft.

      High: 51 °F

      NE 10kt⇓
      1-2ft

    • Friday Night

      Friday Night:Variable winds 5 kt or less. Mostly cloudy, then gradually becoming mostly clear. Seas around 2 ft.

      Low: 46 °F

      Light Wind
      2ft

    • Saturday

      Saturday:WSW wind 5 to 10 kt. Sunny. Seas around 2 ft.

      High: 63 °F

      WSW 10kt
      2ft

    • Saturday Night

      Saturday Night:SSW wind around 10 kt. Partly cloudy. Seas around 2 ft.

      Low: 47 °F

      SSW 10kt
      2ft

    • Sunday

      Sunday:WSW wind 5 to 10 kt. Sunny. Seas 1 to 2 ft.

      High: 66 °F

      WSW 10kt
      1-2ft

    • Sunday Night

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

      Low: 54 °F

      Light Wind
      1ft

    • Monday

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

      High: 58 °F

      Light Wind
      1ft

    • Monday Night

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

      Low: 51 °F

      Light Wind
      1ft

    • Tuesday

      Tuesday:SSW wind 5 to 10 kt. Mostly sunny. Seas around 1 ft.

      High: 71 °F

      SSW 10kt
      1ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 7:53 pm EDT May 14, 2026
Forecast Valid: 1am EDT May 15, 2026-6pm EDT May 21, 2026

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Detailed Forecast


Friday
NE wind 7 to 10 kt decreasing to 5 to 8 kt in the afternoon. Rain, mainly before 2pm. Patchy dense fog before 9am. Seas 1 to 2 ft.
Friday Night
Variable winds 5 kt or less. Mostly cloudy, then gradually becoming mostly clear. Seas around 2 ft.
Saturday
WSW wind 5 to 10 kt. Sunny. Seas around 2 ft.
Saturday Night
SSW wind around 10 kt. Partly cloudy. Seas around 2 ft.
Sunday
WSW wind 5 to 10 kt. Sunny. Seas 1 to 2 ft.
Sunday Night
Variable winds 5 kt or less. Mostly clear. Seas around 1 ft.
Monday
Variable winds 5 kt or less. Mostly sunny. Seas around 1 ft.
Monday Night
Variable winds 5 kt or less. Partly cloudy. Seas around 1 ft.
Tuesday
SSW wind 5 to 10 kt. Mostly sunny. Seas around 1 ft.

Winds and seas higher in and near tstms.

*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: 43.06°N 70.69°W
Last Update: 7:53 pm EDT May 14, 2026
Forecast Valid: 1am EDT May 15, 2026-6pm EDT May 21, 2026
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