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Gray/Portland, ME Local Forecast Office

9NM ESE Portsmouth NH

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:SW wind 5 to 10 kt becoming NW in the evening. Mostly clear. Seas around 1 ft.

      Low: 61 °F

      NW 10kt
      1ft

    • Labor Day

      Labor Day:NW wind 5 to 10 kt becoming SSW in the afternoon. Sunny. Seas around 1 ft.

      High: 73 °F

      NW 10kt
      1ft

    • Monday Night

      Monday Night:WNW wind 5 to 10 kt. Mostly clear. Seas around 1 ft.

      Low: 64 °F

      WNW 10kt
      1ft

    • Tuesday

      Tuesday:W wind 5 to 10 kt becoming NNW in the afternoon. Sunny. Seas around 1 ft.

      High: 72 °F

      W 10kt
      1ft

    • Tuesday Night

      Tuesday Night:Variable winds 5 kt or less. Mostly cloudy. Seas around 1 ft.

      Low: 63 °F

      Light Wind
      1ft

    • Wednesday

      Wednesday:E wind 5 to 10 kt becoming SSE in the afternoon. Mostly cloudy. Seas around 1 ft.

      High: 70 °F

      SSE 10kt
      1ft

    • Wednesday Night

      Wednesday Night:SSW wind 15 to 20 kt. Showers likely, mainly after 3am.   Seas 2 to 3 ft.

      Low: 68 °F

      SSW 20kt
      2-3ft

    • Thursday

      Thursday:WSW wind 10 to 15 kt. A chance of showers.   Seas 2 to 3 ft.

      High: 76 °F

      WSW 15kt
      2-3ft

    • Thursday Night

      Thursday Night:W wind around 10 kt. Mostly cloudy. Seas 1 to 2 ft.

      Low: 63 °F

      W 10kt
      1-2ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 2:25 pm EDT Sep 6, 2026
Forecast Valid: 5pm EDT Sep 6, 2026-6pm EDT Sep 13, 2026

View Nearby Observations

Detailed Forecast


Tonight
SW wind 5 to 10 kt becoming NW in the evening. Mostly clear. Seas around 1 ft.
Labor Day
NW wind 5 to 10 kt becoming SSW in the afternoon. Sunny. Seas around 1 ft.
Monday Night
WNW wind 5 to 10 kt. Mostly clear. Seas around 1 ft.
Tuesday
W wind 5 to 10 kt becoming NNW in the afternoon. Sunny. Seas around 1 ft.
Tuesday Night
Variable winds 5 kt or less. Mostly cloudy. Seas around 1 ft.
Wednesday
E wind 5 to 10 kt becoming SSE in the afternoon. Mostly cloudy. Seas around 1 ft.
Wednesday Night
SSW wind 15 to 20 kt. Showers likely, mainly after 3am. Seas 2 to 3 ft.
Thursday
WSW wind 10 to 15 kt. A chance of showers. Seas 2 to 3 ft.
Thursday Night
W wind around 10 kt. Mostly cloudy. Seas 1 to 2 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: 2:25 pm EDT Sep 6, 2026
Forecast Valid: 5pm EDT Sep 6, 2026-6pm EDT Sep 13, 2026
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