Areas Of Locally Heavy Snow And Rain Today

A strong low pressure system over the Great Lakes will produce locally heavy snow and rain, before reaching eastern Canada by tomorrow morning. Heavy snow is expected across the Upper Mississippi Valley and Great Lakes with the arrival of an Arctic air mass, while locally heavy rain is possible along and ahead of the associated cold front over the eastern Ohio Valley and southeastern New England.
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Gray/Portland, ME Local Forecast Office

20NM NNE Portsmouth NH

Marine Point Forecast

[NOTICE]
  • Tonight

    Rain

    S 15kt
    2-3ft

    Low: 50 °F

    Gale Warning
    Gale Warning

  • Tuesday

    Chance Showers

    SW 10kt
    2ft

    High: 54 °F

  • Tuesday
    Night

    Chance Rain/Snow

    W 10kt
    1-2ft

    Low: 30 °F

  • Wednesday

    Snow Likely

    Light Wind
    1-2ft

    High: 34 °F

  • Wednesday
    Night

    Partly Cloudy

    Winds IncreasingWNW 10kt
    2ft

    Low: 20 °F

  • Thursday

    Sunny

    NW 10kt
    1-2ft

    High: 28 °F

  • Thursday
    Night

    Partly Cloudy

    Light Wind
    1ft

    Low: 15 °F

  • Friday

    Partly Sunny

    Light Wind
    1-2ft

    High: 37 °F

  • Friday
    Night

    Chance Showers

    ESE 10kt
    3-4ft

    Low: 32 °F


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 6:22 pm EST Dec 9, 2019
Forecast Valid: 8pm EST Dec 9, 2019-6pm EST Dec 16, 2019

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Detailed Forecast


Synopsis: ANZ100-101400- 647 PM EST Mon Dec 9 2019 .Synopsis for Stonington ME to Merrimack River MA out to 25 NM... Widespread rain continues tonight as low pressure moves into Quebec. South southwest winds continue to increase overnight with gales and low end storms likely. Winds and seas gradually diminish through Tuesday night. Some light snow is possible over the waters Tuesday night into Wednesday morning before clearing. Thereafter, a potentially potent low pressure system will approach Friday and may affect the waters over the weekend. && $$

Tonight
S wind around 15 kt, with gusts as high as 30 kt. Rain before 2am, then a chance of showers, mainly between 2am and 4am. Widespread fog, mainly before midnight. Seas 2 to 3 ft.
Tuesday
SW wind around 10 kt becoming W in the afternoon. A chance of showers between 4pm and 5pm. Seas around 2 ft.
Tuesday Night
W wind 5 to 10 kt becoming NW after midnight. A chance of rain showers before midnight, then a chance of rain and snow showers between midnight and 2am, then a chance of snow after 2am. Seas 1 to 2 ft.
Wednesday
Variable winds 5 kt or less. Snow showers likely, mainly before 8am. Seas 1 to 2 ft.
Wednesday Night
SW wind 5 to 8 kt becoming WNW 7 to 10 kt after midnight. Partly cloudy. Seas around 2 ft.
Thursday
NW wind around 10 kt. Sunny. Seas 1 to 2 ft.
Thursday Night
Variable winds 5 kt or less. Partly cloudy. Seas around 1 ft.
Friday
Variable winds 5 kt or less. Partly sunny. Seas 1 to 2 ft.
Friday Night
SW wind 5 to 10 kt becoming ESE after midnight. A chance of showers. Seas 3 to 4 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: 43.33°N 70.53°W
Last Update: 6:22 pm EST Dec 9, 2019
Forecast Valid: 8pm EST Dec 9, 2019-6pm EST Dec 16, 2019
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