Strong Winter Storm to Impact Portions of Plains and Midwest This Weekend

A strong winter storm will track from the southern High Plains to the Great Lakes this weekend. Blizzard conditions are forecast across many states from the Rockies to the Upper Midwest. Travel will be difficult, if not impossible, in these areas due to heavy snow combined with these strong winds.
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Gray/Portland, ME Local Forecast Office

25NM ENE Portsmouth NH

Marine Point Forecast

[NOTICE]
  • Tonight

    Partly Cloudy

    W 15kt
    2-3ft

    Low: 35 °F

    Small Craft Advisory
    Small Craft Advisory

  • Sunday

    Partly Sunny

    W 10kt
    1-2ft

    High: 42 °F

  • Sunday
    Night

    Partly Cloudy

    Light Wind
    1ft

    Low: 33 °F

  • Monday

    Mostly Cloudy

    ENE 10kt
    Waves Building2ft

    High: 38 °F

  • Monday
    Night

    Rain Likely

    ESE 15kt
    3-4ft

    Low: 36 °F

  • Tuesday

    Rain

    Winds IncreasingSSE 25kt
    Waves Building10ft

    High: 50 °F

  • Tuesday
    Night

    Chance Showers

    SSW 20kt
    10ftWaves Subsiding

    Low: 38 °F

  • Wednesday

    Mostly Sunny

    W 25kt
    5-6ft

    High: 40 °F

  • Wednesday
    Night

    Partly Cloudy

    WNW 25kt
    4-5ft

    Low: 23 °F


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 12:02 pm EST Jan 20, 2018
Forecast Valid: 4pm EST Jan 20, 2018-6pm EST Jan 27, 2018

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Detailed Forecast


Synopsis: ANZ100-211030- 317 PM EST Sat Jan 20 2018 .Synopsis for Stonington ME to Merrimack River MA out to 25 NM... A weak cold front will drop south from Canada tonight and will stall over southern New England Sunday and Sunday night. The front will lift north on Monday and Monday night as a warm front. Low pressure will track northeast through the ST Lawrence Valley on Tuesday and will drive a cold front through the region in the afternoon. A trough of low pressure will linger over the region Tuesday night and Wednesday. High pressure will gradually build in from the west Wednesday through Friday. $$

Tonight
W wind around 15 kt, with gusts as high as 25 kt. Partly cloudy. Seas 2 to 3 ft.
Sunday
W wind 5 to 10 kt. Partly sunny. Seas 1 to 2 ft.
Sunday Night
Variable winds 5 kt or less. Partly cloudy. Seas around 1 ft.
Monday
ENE wind 5 to 10 kt. Mostly cloudy. Seas 1 ft or less building to 2 ft.
Monday Night
E wind around 15 kt becoming ESE after midnight. Winds could gust as high as 25 kt. Rain likely. Seas 3 to 4 ft.
Tuesday
SE wind 15 to 20 kt becoming SSE 20 to 25 kt in the afternoon. Winds could gust as high as 30 kt. Rain. Seas 4 ft building to 10 ft.
Tuesday Night
SSW wind around 20 kt becoming WSW in the evening. Winds could gust as high as 30 kt. A chance of showers. Seas 10 ft subsiding to 7 ft.
Wednesday
W wind 20 to 25 kt, with gusts as high as 30 kt. Mostly sunny. Seas 5 to 6 ft.
Wednesday Night
WNW wind 20 to 25 kt, with gusts as high as 30 kt. Partly cloudy. 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: 12:02 pm EST Jan 20, 2018
Forecast Valid: 4pm EST Jan 20, 2018-6pm EST Jan 27, 2018
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