Heavy Snow & Ice Across Portions of the Plains and Midwest; Unsettled in the Pacific Northwest

Heavy snow and freezing rain will impact portions of the Plains, upper Midwest, and Great Lakes into Monday. Significant snow accumulations and gusty winds are likely in some areas. Farther to the south, rain and a few thunderstorms are expected over the Mississippi, Tennessee, and Ohio Valleys. Heavy rain & mountain snowfall will also continue from northern California into the Pacific Northwest.
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Gray/Portland, ME Local Forecast Office

18NM S Portland ME

Marine Point Forecast

[NOTICE]
  • Today

    Partly Sunny

    W 15km/hWinds Decreasing
    < 1m

    High: 7 °C

  • Tonight

    Mostly Cloudy

    W 10km/hWinds Decreasing
    < 1m

    Low: -1 °C

  • Monday

    Chance Rain/Snow

    Winds IncreasingENE 25km/h
    < 1m

    High: 3 °C

  • Monday
    Night

    Snow/Sleet

    E 25km/hWinds Decreasing
    1m

    Low: 0 °C

  • Tuesday

    Rain

    Winds IncreasingS 40km/h
    2-3m

    High: 9 °C

  • Tuesday
    Night

    Chance Showers

    WSW 35km/h
    2m

    Low: 3 °C

  • Wednesday

    Mostly Sunny

    W 40km/h
    1m

    High: 4 °C

  • Wednesday
    Night

    Partly Cloudy

    WNW 40km/hWinds Decreasing
    1m

    Low: -7 °C

  • Thursday

    Mostly Sunny

    WNW 35km/h
    1m

    High: -4 °C


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 3:07 am EST Jan 21, 2018
Forecast Valid: 6am EST Jan 21, 2018-6pm EST Jan 27, 2018

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Detailed Forecast


Synopsis: ANZ100-212230- 326 AM EST Sun Jan 21 2018 .Synopsis for Stonington ME to Merrimack River MA out to 25 NM... A weak cold front will drop south into the Gulf of Maine today and tonight, stalling over southern New England. It will lift northward as a warm front on Monday night into Tuesday with southerly gales expected behind it. Low pressure moves east along the coastline, dragging a cold front behind it Tuesday night. High pressure slowly builds in from the west for the rest of the week. $$

Today
W wind 10 to 15 km/h decreasing to 5 to 10 km/h in the afternoon. Partly sunny. Seas 1 m or less.
Tonight
W wind 5 to 10 km/h becoming variable and less than 5 km/h. Mostly cloudy. Seas 1 m or less.
Monday
ENE wind 15 to 20 km/h increasing to 20 to 25 km/h in the afternoon. Winds could gust as high as 45 km/h. A chance of snow after 1pm, mixing with rain after 5pm. Seas 1 m or less.
Monday Night
E wind 20 to 25 km/h decreasing to 15 to 20 km/h after midnight. Winds could gust as high as 45 km/h. Rain and snow before 3am, then rain between 3am and 5am, then sleet after 5am. Seas around 1 m.
Tuesday
ESE wind 10 to 15 km/h becoming S 35 to 40 km/h. Winds could gust as high as 60 km/h. Rain, mainly after 8am. Seas 2 to 3 m.
Tuesday Night
SSW wind 30 to 35 km/h becoming WSW after midnight. Winds could gust as high as 45 km/h. A chance of showers. Seas around 2 m.
Wednesday
WSW wind 35 to 40 km/h becoming WNW in the afternoon. Winds could gust as high as 55 km/h. Mostly sunny. Seas around 1 m.
Wednesday Night
WNW wind 35 to 40 km/h decreasing to 30 to 35 km/h after midnight. Winds could gust as high as 55 km/h. Partly cloudy. Seas around 1 m.
Thursday
WNW wind 30 to 35 km/h, with gusts as high as 45 km/h. Mostly sunny. Seas around 1 m.

*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: 43.36°N 70.28°W
Last Update: 3:07 am EST Jan 21, 2018
Forecast Valid: 6am EST Jan 21, 2018-6pm EST Jan 27, 2018
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