Hazardous Weather Conditions

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Gray/Portland, ME Local Forecast Office

25NM ENE Portsmouth NH

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:SW wind 10 to 15 kt. Scattered showers and thunderstorms before 1am, then isolated showers between 1am and 3am.   Seas around 3 ft.

      Low: 65 °F

      SW 15kt
      3ft

    • Wednesday

      Wednesday:SW wind around 10 kt becoming S in the afternoon. Mostly cloudy. Seas around 3 ft.

      High: 71 °F

      S 10kt
      3ft

    • Wednesday Night

      Wednesday Night:SSW wind 5 to 10 kt becoming W after midnight. Mostly cloudy. Seas around 3 ft.

      Low: 65 °F

      SSW 10kt
      3ft

    • Thursday

      Thursday:W wind 5 to 8 kt becoming S 7 to 10 kt in the afternoon. Sunny. Seas around 2 ft.

      High: 72 °F

      ⇑S 10kt
      2ft

    • Thursday Night

      Thursday Night:WSW wind around 10 kt becoming NW after midnight. Partly cloudy. Seas around 2 ft.

      Low: 64 °F

      WSW 10kt
      2ft

    • Independence Day

      Independence Day:Variable winds 5 kt or less. Sunny. Seas around 2 ft.

      High: 71 °F

      Light Wind
      2ft

    • Friday Night

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

      Low: 62 °F

      Light Wind
      2ft

    • Saturday

      Saturday:WNW wind 5 to 10 kt becoming S in the afternoon. Sunny. Seas around 2 ft.

      High: 70 °F

      S 10kt
      2ft

    • Saturday Night

      Saturday Night:S wind around 10 kt becoming SW after midnight. Mostly cloudy. Seas 2 to 3 ft.

      Low: 65 °F

      S 10kt
      2-3ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 9:22 pm EDT Jul 1, 2025
Forecast Valid: 9pm EDT Jul 1, 2025-6pm EDT Jul 8, 2025

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Detailed Forecast


Tonight
SW wind 10 to 15 kt. Scattered showers and thunderstorms before 1am, then isolated showers between 1am and 3am. Seas around 3 ft.
Wednesday
SW wind around 10 kt becoming S in the afternoon. Mostly cloudy. Seas around 3 ft.
Wednesday Night
SSW wind 5 to 10 kt becoming W after midnight. Mostly cloudy. Seas around 3 ft.
Thursday
W wind 5 to 8 kt becoming S 7 to 10 kt in the afternoon. Sunny. Seas around 2 ft.
Thursday Night
WSW wind around 10 kt becoming NW after midnight. Partly cloudy. Seas around 2 ft.
Independence Day
Variable winds 5 kt or less. Sunny. Seas around 2 ft.
Friday Night
Variable winds 5 kt or less. Mostly clear. Seas around 2 ft.
Saturday
WNW wind 5 to 10 kt becoming S in the afternoon. Sunny. Seas around 2 ft.
Saturday Night
S wind around 10 kt becoming SW after midnight. Mostly cloudy. Seas 2 to 3 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: 43.18°N 70.24°W
Last Update: 9:22 pm EDT Jul 1, 2025
Forecast Valid: 9pm EDT Jul 1, 2025-6pm EDT Jul 8, 2025
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