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Gray/Portland, ME Local Forecast Office

18NM NNE Portsmouth NH

Marine Point Forecast

[NOTICE]
    • Today

      Today:SSE wind 5 to 10 km/h becoming WSW in the morning. Patchy fog before 11am.  Seas 1 m or less.

      High: 13 °C

      S 10km/h
      < 1m

    • Tonight

      Tonight:W wind around 10 km/h. Mostly clear. Seas 1 m or less.

      Low: 4 °C

      W 10km/h
      < 1m

    • Wednesday

      Wednesday:W wind around 10 km/h. Sunny. Seas 1 m or less.

      High: 17 °C

      W 10km/h
      < 1m

    • Wednesday Night

      Wednesday Night:Variable winds 5 km/h or less. Mostly clear. Seas 1 m or less.

      Low: 3 °C

      Light Wind
      < 1m

    • Thursday

      Thursday:Variable winds less than 5 km/h becoming SSE 10 to 15 km/h in the afternoon. Sunny. Seas 1 m or less.

      High: 14 °C

      ⇑SSE 15km/h
      < 1m

    • Thursday Night

      Thursday Night:Variable winds 5 km/h or less. Mostly cloudy. Seas 1 m or less.

      Low: 6 °C

      Light Wind
      < 1m

    • Friday

      Friday:SSW wind 5 to 8 km/h becoming SSE 7 to 10 km/h in the morning. Partly sunny. Seas 1 m or less.

      High: 15 °C

      ⇑SSE 10km/h
      < 1m

    • Friday Night

      Friday Night:SE wind around 10 km/h becoming S after midnight. Scattered showers.   Seas 1 m or less.

      Low: 7 °C

      SE 10km/h
      < 1m

    • Saturday

      Saturday:SSE wind 10 to 15 km/h becoming WSW in the afternoon. Winds could gust as high as 30 km/h. Rain.   Seas 1 m or less.

      High: 13 °C

      SW 15km/h
      < 1m


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 6:24 am EDT Apr 22, 2025
Forecast Valid: 9am EDT Apr 22, 2025-6pm EDT Apr 28, 2025

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Detailed Forecast


Today
SSE wind 5 to 10 km/h becoming WSW in the morning. Patchy fog before 11am. Seas 1 m or less.
Tonight
W wind around 10 km/h. Mostly clear. Seas 1 m or less.
Wednesday
W wind around 10 km/h. Sunny. Seas 1 m or less.
Wednesday Night
Variable winds 5 km/h or less. Mostly clear. Seas 1 m or less.
Thursday
Variable winds less than 5 km/h becoming SSE 10 to 15 km/h in the afternoon. Sunny. Seas 1 m or less.
Thursday Night
Variable winds 5 km/h or less. Mostly cloudy. Seas 1 m or less.
Friday
SSW wind 5 to 8 km/h becoming SSE 7 to 10 km/h in the morning. Partly sunny. Seas 1 m or less.
Friday Night
SE wind around 10 km/h becoming S after midnight. Scattered showers. Seas 1 m or less.
Saturday
SSE wind 10 to 15 km/h becoming WSW in the afternoon. Winds could gust as high as 30 km/h. Rain. Seas 1 m or less.

*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: 43.31°N 70.57°W
Last Update: 6:24 am EDT Apr 22, 2025
Forecast Valid: 9am EDT Apr 22, 2025-6pm EDT Apr 28, 2025
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