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]
  • Late
    Afternoon

    Rain Likely

    S 20kt
    8ft

    High: 44 °F

    Gale Warning
    Gale Warning

  • Tonight

    Chance Showers

    Winds IncreasingSW 20kt
    8ftWaves Subsiding

    Low: 36 °F

    Gale Warning
    Gale Warning

  • Wednesday

    Sunny

    WNW 25kt
    5-6ft

    High: 39 °F

  • Wednesday
    Night

    Partly Cloudy

    NW 20kt
    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

    Partly Cloudy

    SW 15kt
    Waves Building3ft

    Low: 25 °F

  • Saturday

    Partly Sunny

    SSW 20kt
    4ft

    High: 44 °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: 5pm 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. $$

Late Afternoon
S wind around 20 kt, with gusts as high as 25 kt. Rain likely. Areas of fog. Seas around 8 ft.
Tonight
SSW wind 10 to 15 kt becoming SW 15 to 20 kt after midnight. Winds could gust as high as 25 kt. A chance of showers before 8pm. Areas of fog before 9pm. Seas 8 ft subsiding to 6 ft.
Wednesday
WNW wind 20 to 25 kt, with gusts as high as 30 kt. Sunny. Seas 5 to 6 ft.
Wednesday Night
NW wind 15 to 20 kt, with gusts as high as 25 kt. Partly cloudy. 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 10 to 15 kt becoming SW after midnight. Partly cloudy. Seas 1 ft or less building to 3 ft.
Saturday
SSW wind 15 to 20 kt, with gusts as high as 25 kt. Partly sunny. Seas around 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: 5pm EST Jan 23, 2018-6pm EST Jan 30, 2018
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