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

25NM ENE Portsmouth NH

Marine Point Forecast

[NOTICE]
  • This
    Afternoon

    Rain

    S 25kt
    8-9ft

    High: 47 °F

    Gale Warning
    Gale Warning

  • Tonight

    Chance Rain

    SSW 20kt
    8ftWaves Subsiding

    Low: 37 °F

    Gale Warning
    Gale Warning

  • Wednesday

    Sunny

    WNW 25kt
    4-5ft

    High: 39 °F

  • Wednesday
    Night

    Partly Cloudy

    NW 20kt
    4ftWaves Subsiding

    Low: 18 °F

  • Thursday

    Mostly Sunny

    NW 20kt
    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 Building3ft

    Low: 27 °F

  • Saturday

    Partly Sunny

    SSW 20kt
    4-5ft

    High: 43 °F


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 11:34 am EST Jan 23, 2018
Forecast Valid: 3pm EST Jan 23, 2018-6pm EST Jan 29, 2018

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Detailed Forecast


Synopsis: ANZ100-240645- 1135 AM EST Tue Jan 23 2018 .Synopsis for Stonington ME to Merrimack River MA out to 25 NM... A warm front lifts north across the Gulf of Maine and into the Maine coastline today. Low pressure will track east along it with a strong southerly flow ahead of it. As the low crosses the region it will drag a cold front from west to east across the Gulf of Maine Tuesday evening. High pressure gradually builds in from the west behind it through the rest of the week. $$

This Afternoon
S wind around 25 kt, with gusts as high as 40 kt. Rain, mainly before 5pm. Widespread dense fog. Seas 8 to 9 ft.
Tonight
SSW wind around 20 kt becoming WSW in the evening. Winds could gust as high as 35 kt. A chance of rain before 8pm. Widespread dense fog, mainly before 7pm. Seas 8 ft subsiding to 6 ft.
Wednesday
WNW wind 20 to 25 kt, with gusts as high as 35 kt. Sunny. Seas 4 to 5 ft.
Wednesday Night
NW wind 15 to 20 kt, with gusts as high as 25 kt. Partly cloudy. Seas 4 ft subsiding to 2 ft.
Thursday
NW wind 15 to 20 kt. Mostly sunny. Seas 2 to 3 ft.
Thursday Night
NW wind 15 to 20 kt, with gusts as high as 25 kt. Mostly clear. Seas 2 to 3 ft.
Friday
NW wind 10 to 15 kt, with gusts as high as 20 kt. Sunny. Seas 1 to 2 ft.
Friday Night
W wind around 10 kt becoming SW after midnight. Mostly clear. Seas 1 ft building to 3 ft.
Saturday
SSW wind 15 to 20 kt, with gusts as high as 30 kt. Partly sunny. Seas 4 to 5 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: 43.18°N 70.24°W
Last Update: 11:34 am EST Jan 23, 2018
Forecast Valid: 3pm EST Jan 23, 2018-6pm EST Jan 29, 2018
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