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Gray/Portland, ME Local Forecast Office

18NM S Portland ME

Marine Point Forecast

  • Tonight

    Slight Chc Snow

    Light Wind

    Low: 25 °F

  • Friday

    Chance Rain

    Winds IncreasingS 15kt

    High: 38 °F

  • Friday

    Rain Likely

    S 15kt

    Low: 35 °F

  • Saturday

    Mostly Sunny

    W 15ktWinds Decreasing

    High: 46 °F

  • Saturday

    Mostly Cloudy

    Winds IncreasingENE 15kt
    Waves Building3ft

    Low: 35 °F

  • Sunday


    ESE 20kt
    Waves Building7ft

    High: 40 °F

  • Sunday

    Chance Rain

    ESE 10kt

    Low: 37 °F

  • Monday

    Mostly Sunny

    W 10kt

    High: 45 °F

  • Monday

    Mostly Clear

    WNW 15kt

    Low: 34 °F

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:15 pm EST Feb 22, 2018
Forecast Valid: 8pm EST Feb 22, 2018-6pm EST Mar 1, 2018

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Detailed Forecast

Synopsis: ANZ100-231430- 723 PM EST Thu Feb 22 2018 .Synopsis for Stonington ME to Merrimack River MA out to 25 NM... High pressure builds into northern Maine tonight and then eastward into Nova Scotia on Friday. A weak trough crosses the region Friday night with high pressure building behind it into the Gulf of Saint Lawrence by Sunday morning. The next storm system will drag a front across the waters Sunday into Sunday night with weak low pressure forming along the front as it moves through the Gulf of Maine. $$

Variable winds 5 kt or less. A slight chance of snow before 9pm. Seas around 1 ft.
E wind 5 to 8 kt becoming S 10 to 15 kt in the afternoon. A chance of rain after 3pm. Seas 1 to 2 ft.
Friday Night
S wind 10 to 15 kt becoming WSW after midnight. Winds could gust as high as 25 kt. Rain likely before 11pm. Seas 3 to 4 ft.
W wind 10 to 15 kt becoming NW 5 to 8 kt in the afternoon. Mostly sunny. Seas 1 to 2 ft.
Saturday Night
NNW wind 5 to 8 kt becoming ENE 10 to 15 kt after midnight. Winds could gust as high as 20 kt. Mostly cloudy. Seas 1 ft building to 3 ft.
ESE wind 15 to 20 kt, with gusts as high as 25 kt. Rain and snow, becoming all rain after 2pm. Seas 4 ft building to 7 ft.
Sunday Night
ESE wind around 10 kt becoming NW after midnight. A chance of rain. Seas around 7 ft.
W wind around 10 kt. Mostly sunny. Seas 5 to 6 ft.
Monday Night
WNW wind 10 to 15 kt. Mostly clear. Seas 3 to 4 ft.


  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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Point Forecast: 43.36°N 70.28°W
Last Update: 4:15 pm EST Feb 22, 2018
Forecast Valid: 8pm EST Feb 22, 2018-6pm EST Mar 1, 2018
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