Winter Storm to bring snow, ice, and dangerous travel to New England, Inclement weather expected over the western U.S.

A winter storm will bring a hazardous combination of snow and ice across much of northern New England through tonight. Treacherous travel conditions are likely. The combination of rain and snow melt will also cause ice jam flooding concerns over portions of the Northeast over the next few days. Over the western U.S.,a series of storm systems will bring heavy mountain snow, rain, and strong winds.
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Gray/Portland, ME Local Forecast Office

20NM ENE Portsmouth NH

Marine Point Forecast

[NOTICE]
  • Tonight

    Showers Likely

    S 20ktWinds Decreasing
    8ftWaves Subsiding

    Low: 36 °F

    Gale Warning
    Gale Warning

  • Wednesday

    Sunny

    W 25kt
    5-6ft

    High: 39 °F

  • Wednesday
    Night

    Mostly Clear

    NW 20ktWinds Decreasing
    5ftWaves Subsiding

    Low: 18 °F

  • Thursday

    Sunny

    NW 15kt
    2-3ft

    High: 25 °F

  • Thursday
    Night

    Mostly Clear

    NW 20kt
    2-3ft

    Low: 16 °F

  • Friday

    Sunny

    NW 15kt
    1-2ft

    High: 29 °F

  • Friday
    Night

    Mostly Clear

    SW 10kt
    Waves Building2ft

    Low: 25 °F

  • Saturday

    Partly Sunny

    SSW 20kt
    4ft

    High: 44 °F

  • Saturday
    Night

    Mostly Cloudy

    SW 20kt
    3-4ft

    Low: 40 °F


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 2:26 pm EST Jan 23, 2018
Forecast Valid: 6pm EST Jan 23, 2018-6pm EST Jan 30, 2018

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Detailed Forecast


Synopsis: ANZ100-240945- 237 PM EST Tue Jan 23 2018 .Synopsis for Stonington ME to Merrimack River MA out to 25 NM... Low pressure will drag a cold front across northern New England this evening. Until the front crosses the waters patchy fog and gusty southerly winds are possible. Winds will become westerly and continue to gust through Thursday. High pressure gradually builds in from the west through the rest of the week. $$

Tonight
S wind 15 to 20 kt becoming SSW 10 to 15 kt. Winds could gust as high as 25 kt. Showers likely, mainly before 9pm. Areas of fog before 10pm. Seas 8 ft subsiding to 6 ft.
Wednesday
WSW wind 20 to 25 kt becoming WNW in the afternoon. Winds could gust as high as 30 kt. Sunny. Seas 5 to 6 ft.
Wednesday Night
NW wind 17 to 20 kt decreasing to 15 to 18 kt after midnight. Winds could gust as high as 30 kt. Mostly clear. Seas 5 ft subsiding to 3 ft.
Thursday
NW wind around 15 kt, with gusts as high as 25 kt. Sunny. Seas 2 to 3 ft.
Thursday Night
NW wind 15 to 20 kt. Mostly clear. Seas 2 to 3 ft.
Friday
NW wind 10 to 15 kt. Sunny. Seas 1 to 2 ft.
Friday Night
W wind around 10 kt becoming SW after midnight. Mostly clear. Seas 1 ft or less building to 2 ft.
Saturday
SSW wind 15 to 20 kt, with gusts as high as 25 kt. Partly sunny. Seas around 4 ft.
Saturday Night
SW wind 15 to 20 kt, with gusts as high as 25 kt. Mostly cloudy. 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: 43.17°N 70.36°W
Last Update: 2:26 pm EST Jan 23, 2018
Forecast Valid: 6pm EST Jan 23, 2018-6pm EST Jan 30, 2018
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