Winter Storm Departing Northeast; Cold Front To Deliver Locally Heavy Snow for the Northern To Southern Rockies and Upper Midwest

The early season, record winter storm is gradually departing the Northeast U.S. today but lingering impacts of heavy snow, mixed precipitation, in gusty winds and coastal flooding continue. Meanwhile, a cold front plunging through the Upper Midwest and Front Range of the Rockies will produce localized heavy snow from North Dakota to southern Minnesota and from the northern to central Rockies.
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Gray/Portland, ME Local Forecast Office

20NM ENE Portsmouth NH

Marine Point Forecast

[NOTICE]
  • This
    Afternoon

    Mostly Cloudy

    NW 25ktWinds Decreasing
    15ftWaves Subsiding

    High: 42 °F

    Gale Warning
    Gale Warning

  • Tonight

    Mostly Cloudy

    Winds IncreasingW 20kt
    10ftWaves Subsiding

    Low: 36 °F

  • Saturday

    Mostly Sunny

    W 15kt
    6ftWaves Subsiding

    High: 45 °F

  • Saturday
    Night

    Partly Cloudy

    W 15kt
    4ftWaves Subsiding

    Low: 35 °F

  • Sunday

    Partly Sunny

    WNW 10kt
    1-2ft

    High: 39 °F

  • Sunday
    Night

    Rain/Snow Likely

    SW 10kt
    1-2ft

    Low: 35 °F

  • Monday

    Chance Showers

    W 15kt
    2ft

    High: 43 °F

  • Monday
    Night

    Mostly Cloudy

    WNW 15kt
    1-2ft

    Low: 29 °F

  • Tuesday

    Partly Sunny

    NNW 10kt
    2-3ft

    High: 36 °F


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 11:11 am EST Nov 16, 2018
Forecast Valid: 2pm EST Nov 16, 2018-6pm EST Nov 22, 2018

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Detailed Forecast


Synopsis: ANZ100-170400- 858 AM EST Fri Nov 16 2018 .Synopsis for Stonington ME to Merrimack River MA out to 25 NM... A coastal low pressure system will move northeast across the Gulf of Maine today. High pressure then moves across the waters over the weekend before another low pressure system potentially affects the waters early next week. && $$

This Afternoon
NW wind 20 to 25 kt decreasing to 15 to 20 kt. Winds could gust as high as 30 kt. Mostly cloudy. Seas 15 ft subsiding to 13 ft.
Tonight
W wind 15 to 18 kt increasing to 17 to 20 kt after midnight. Winds could gust as high as 30 kt. Mostly cloudy. Seas 10 ft subsiding to 7 ft.
Saturday
W wind around 15 kt, with gusts as high as 25 kt. Mostly sunny. Seas 6 ft subsiding to 4 ft.
Saturday Night
W wind around 15 kt, with gusts as high as 20 kt. Partly cloudy. Seas 4 ft subsiding to 2 ft.
Sunday
WNW wind 5 to 10 kt becoming WSW in the afternoon. Partly sunny. Seas 1 to 2 ft.
Sunday Night
SW wind 5 to 10 kt. A chance of rain and snow before 11pm, then rain likely. Seas 1 to 2 ft.
Monday
W wind 10 to 15 kt. A chance of showers before 1pm. Seas around 2 ft.
Monday Night
WNW wind 10 to 15 kt becoming NNW after midnight. Mostly cloudy. Seas 1 to 2 ft.
Tuesday
NNW wind around 10 kt. Partly sunny. Seas 2 to 3 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: 11:11 am EST Nov 16, 2018
Forecast Valid: 2pm EST Nov 16, 2018-6pm EST Nov 22, 2018
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