Significant Storm Systems on Both the West and East Coast

A deep plume of moisture will bring several inches of rain to portions of the west coast, with the greatest amounts occurring in Southern California. There is significant threat of mud and debris flows from burn scars in those areas. Several feet of snow is also forecast across the western mountains. Another Nor'easter will bring snow and gusty winds to the Middle Atlantic and Northeast.

For More Weather Information:

Gray/Portland, ME Local Forecast Office

18NM S Portland ME

Marine Point Forecast

  • Tonight


    NW 15kt

    Low: 22 °F

    Small Craft Advisory
    Small Craft Advisory

  • Tuesday


    WNW 10kt
    < 1ft

    High: 36 °F

  • Tuesday

    Mostly Clear

    Winds IncreasingNE 20kt
    Waves Building2ft

    Low: 26 °F

  • Wednesday

    Chance Rain/Snow

    NE 25kt
    Waves Building7ft

    High: 37 °F

  • Wednesday

    Snow Likely

    NNE 25kt
    Waves Building12ft

    Low: 32 °F

  • Thursday

    Chance Rain/Snow

    N 25ktWinds Decreasing
    11ftWaves Subsiding

    High: 39 °F

  • Thursday

    Mostly Cloudy

    NNW 15kt
    7ftWaves Subsiding

    Low: 32 °F

  • Friday

    Partly Sunny

    NW 10kt

    High: 40 °F

  • Friday

    Mostly Cloudy

    NNW 10kt

    Low: 32 °F

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 6:54 pm EDT Mar 19, 2018
Forecast Valid: 9pm EDT Mar 19, 2018-6pm EDT Mar 26, 2018

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Detailed Forecast

Synopsis: ANZ100-200915- 304 PM EDT Mon Mar 19 2018 .Synopsis for Stonington ME to Merrimack River MA out to 25 NM... Gusty northwest flow will continue tonight. Low pressure is expected to pass south of the waters Wednesday into Thursday with gales possible. High pressure then builds in toward the weekend. $$

NW wind 10 to 15 kt. Clear. Seas around 1 ft.
WNW wind 5 to 10 kt becoming SSW in the afternoon. Sunny. Seas 1 ft or less.
Tuesday Night
Variable winds less than 5 kt becoming NE 15 to 20 kt in the evening. Mostly clear. Seas 1 ft or less building to 2 ft.
NE wind 20 to 25 kt, with gusts as high as 30 kt. A chance of snow after noon, mixing with rain after 4pm. Seas 5 ft building to 7 ft.
Wednesday Night
NNE wind around 25 kt, with gusts as high as 35 kt. Snow likely. Seas 10 ft building to 12 ft.
N wind 22 to 25 kt decreasing to 20 to 23 kt in the afternoon. Winds could gust as high as 35 kt. A chance of rain and snow before 1pm, then a chance of rain between 1pm and 2pm. Seas 11 ft subsiding to 9 ft.
Thursday Night
NNW wind 10 to 15 kt, with gusts as high as 25 kt. Mostly cloudy. Seas 7 ft subsiding to 4 ft.
NW wind 5 to 10 kt. Partly sunny. Seas 2 to 3 ft.
Friday Night
WSW wind 5 to 10 kt becoming N after midnight. Mostly cloudy. Seas around 2 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: 6:54 pm EDT Mar 19, 2018
Forecast Valid: 9pm EDT Mar 19, 2018-6pm EDT Mar 26, 2018
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