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Gray/Portland, ME Local Forecast Office

4NM E Portsmouth NH

Marine Point Forecast

[NOTICE]
    • Today

      Today:Variable winds 5 kt or less. A slight chance of showers before 4pm, then a slight chance of showers after 5pm.  Areas of fog before 3pm.  Seas around 1 ft.

      High: 52 °F

      Light Wind
      1ft

    • Tonight

      Tonight:Variable winds 5 kt or less. Showers and thunderstorms likely before 5am, then a chance of showers.  Patchy fog after 11pm.  Seas around 1 ft.

      Low: 47 °F

      Light Wind
      1ft

    • Friday

      Friday:Variable winds 5 kt or less. A chance of showers, with thunderstorms also possible after 11am.  Patchy fog before 1pm, then Patchy fog between 2pm and 3pm.  Seas around 1 ft.

      High: 60 °F

      Light Wind
      1ft

    • Friday Night

      Friday Night:Variable winds 5 kt or less. A chance of showers before 9pm.   Seas around 1 ft.

      Low: 45 °F

      Light Wind
      1ft

    • Saturday

      Saturday:E wind 5 to 10 kt. Mostly cloudy. Seas around 1 ft.

      High: 49 °F

      E 10kt
      1ft

    • Saturday Night

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

      Low: 44 °F

      Light Wind
      1ft

    • Sunday

      Sunday:S wind around 10 kt becoming W in the afternoon. Showers likely, mainly after 9am.   Seas around 1 ft.

      High: 50 °F

      W 10kt
      1ft

    • Sunday Night

      Sunday Night:W wind around 10 kt. Showers likely.   Seas around 1 ft.

      Low: 36 °F

      W 10kt
      1ft

    • Monday

      Monday:WNW wind 10 to 15 kt. Mostly sunny. Seas around 1 ft.

      High: 43 °F

      WNW 15kt
      1ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 6:30 am EDT Apr 16, 2026
Forecast Valid: 8am EDT Apr 16, 2026-6pm EDT Apr 22, 2026

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Detailed Forecast


Today
Variable winds 5 kt or less. A slight chance of showers before 4pm, then a slight chance of showers after 5pm. Areas of fog before 3pm. Seas around 1 ft.
Tonight
Variable winds 5 kt or less. Showers and thunderstorms likely before 5am, then a chance of showers. Patchy fog after 11pm. Seas around 1 ft.
Friday
Variable winds 5 kt or less. A chance of showers, with thunderstorms also possible after 11am. Patchy fog before 1pm, then Patchy fog between 2pm and 3pm. Seas around 1 ft.
Friday Night
Variable winds 5 kt or less. A chance of showers before 9pm. Seas around 1 ft.
Saturday
E wind 5 to 10 kt. Mostly cloudy. Seas around 1 ft.
Saturday Night
Variable winds 5 kt or less. A chance of showers after 5am. Seas around 1 ft.
Sunday
S wind around 10 kt becoming W in the afternoon. Showers likely, mainly after 9am. Seas around 1 ft.
Sunday Night
W wind around 10 kt. Showers likely. Seas around 1 ft.
Monday
WNW wind 10 to 15 kt. Mostly sunny. 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: 43.06°N 70.69°W
Last Update: 6:30 am EDT Apr 16, 2026
Forecast Valid: 8am EDT Apr 16, 2026-6pm EDT Apr 22, 2026
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