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Gray/Portland, ME Local Forecast Office

9NM ESE Portsmouth NH

Marine Point Forecast

[NOTICE]
    • Today

      Today:WNW wind 20 to 25 kt, with gusts as high as 30 kt. Sunny. Seas around 3 ft.

      High: 53 °F

      WNW 25kt
      3ft

    • Tonight

      Tonight:NW wind 12 to 15 kt decreasing to 10 to 13 kt after midnight. Winds could gust as high as 20 kt. Mostly clear. Seas 1 to 2 ft.

      Low: 38 °F

      NW 15kt⇓
      1-2ft

    • Monday

      Monday:NNW wind 5 to 8 kt becoming SSE 7 to 10 kt in the afternoon. Mostly sunny. Seas around 1 ft.

      High: 48 °F

      ⇑SSE 10kt
      1ft

    • Monday Night

      Monday Night:S wind 10 to 15 kt. Showers, mainly after 2am.   Seas around 2 ft.

      Low: 44 °F

      S 15kt
      2ft

    • Tuesday

      Tuesday:S wind around 10 kt. Showers, mainly before 8am.   Seas around 2 ft.

      High: 54 °F

      S 10kt
      2ft

    • Tuesday Night

      Tuesday Night:WNW wind around 10 kt. Partly cloudy. Seas around 2 ft.

      Low: 45 °F

      WNW 10kt
      2ft

    • Wednesday

      Wednesday:WNW wind 5 to 10 kt becoming S in the afternoon. Mostly sunny. Seas 1 to 2 ft.

      High: 53 °F

      WNW 10kt
      1-2ft

    • Wednesday Night

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

      Low: 44 °F

      Light Wind
      1ft

    • Thursday

      Thursday:N wind 5 to 10 kt becoming SSE in the afternoon. Mostly sunny. Seas around 1 ft.

      High: 51 °F

      SE 10kt
      1ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 3:12 am EDT Apr 20, 2025
Forecast Valid: 5am EDT Apr 20, 2025-6pm EDT Apr 26, 2025

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Detailed Forecast


Today
WNW wind 20 to 25 kt, with gusts as high as 30 kt. Sunny. Seas around 3 ft.
Tonight
NW wind 12 to 15 kt decreasing to 10 to 13 kt after midnight. Winds could gust as high as 20 kt. Mostly clear. Seas 1 to 2 ft.
Monday
NNW wind 5 to 8 kt becoming SSE 7 to 10 kt in the afternoon. Mostly sunny. Seas around 1 ft.
Monday Night
S wind 10 to 15 kt. Showers, mainly after 2am. Seas around 2 ft.
Tuesday
S wind around 10 kt. Showers, mainly before 8am. Seas around 2 ft.
Tuesday Night
WNW wind around 10 kt. Partly cloudy. Seas around 2 ft.
Wednesday
WNW wind 5 to 10 kt becoming S in the afternoon. Mostly sunny. Seas 1 to 2 ft.
Wednesday Night
Variable winds 5 kt or less. Partly cloudy. Seas around 1 ft.
Thursday
N wind 5 to 10 kt becoming SSE in the afternoon. 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: 42.99°N 70.62°W
Last Update: 3:12 am EDT Apr 20, 2025
Forecast Valid: 5am EDT Apr 20, 2025-6pm EDT Apr 26, 2025
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