Widespread Winter Weather from Eastern Storm to Wind Down Tonight; Heavy Rainfall to Continue Across the Southeast; Southwest To See More Snow Through Friday

Areas of heavy snow and ice are ongoing from Minnesota into the Mid-Atlantic and Northeast will taper off through tonight as the storm shifts into eastern Canada. To the south, heavy rainfall will continue river flooding and the risk for flash flooding from the Ohio and Mississippi Valleys to the Deep South on and off through this coming weekend. Snow returns to the Southwest with another storm.
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Gray/Portland, ME Local Forecast Office

10NM NE Portsmouth NH

Marine Point Forecast

[NOTICE]
  • Tonight

    Snow

    S 10kt
    1-2ft

    Low: 25 °F

  • Thursday

    Snow/Sleet

    Winds IncreasingWNW 15kt
    3ft

    High: 46 °F

  • Thursday
    Night

    Mostly Clear

    WNW 15kt
    2-3ft

    Low: 31 °F

  • Friday

    Sunny

    WNW 10kt
    1-2ft

    High: 40 °F

  • Friday
    Night

    Mostly Clear

    WNW 10kt
    1ft

    Low: 25 °F

  • Saturday

    Mostly Sunny

    S 10kt
    1ft

    High: 39 °F

  • Saturday
    Night

    Rain/Snow Likely

    SE 10kt
    Waves Building3ft

    Low: 35 °F

  • Sunday

    Rain

    ESE 15kt
    Waves Building6ft

    High: 44 °F

  • Sunday
    Night

    Mostly Cloudy

    Winds IncreasingW 20kt
    4-5ft

    Low: 34 °F


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 6:25 pm EST Feb 20, 2019
Forecast Valid: 8pm EST Feb 20, 2019-6pm EST Feb 27, 2019

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Detailed Forecast


Synopsis: ANZ100-211330- 627 PM EST Wed Feb 20 2019 .Synopsis for Stonington ME to Merrimack River MA out to 25 NM... Low pressure crosses the waters tonight and Thursday with southerly winds shifting to west behind the front. High pressure builds out of the Great Lakes again behind the front, cresting over the Gulf of Maine on Saturday. Low pressure than moves along the Maine coast on Sunday. && $$

Tonight
SSW wind 5 to 10 kt becoming S after midnight. Snow, mainly after 11pm. Seas 1 to 2 ft.
Thursday
Variable winds less than 5 kt becoming WNW 10 to 15 kt in the afternoon. Winds could gust as high as 20 kt. Rain, snow, and sleet likely before 8am, then a chance of rain between 8am and 10am. Seas around 3 ft.
Thursday Night
WNW wind 10 to 15 kt, with gusts as high as 20 kt. Mostly clear. Seas 2 to 3 ft.
Friday
WNW wind around 10 kt. Sunny. Seas 1 to 2 ft.
Friday Night
WNW wind 5 to 10 kt becoming NNW after midnight. Mostly clear. Seas around 1 ft.
Saturday
NW wind 5 to 10 kt becoming S in the afternoon. Mostly sunny. Seas around 1 ft.
Saturday Night
S wind around 10 kt becoming SE after midnight. Rain and snow likely. Seas 1 ft building to 3 ft.
Sunday
ESE wind 10 to 15 kt becoming S in the afternoon. Winds could gust as high as 20 kt. Rain. Seas 3 ft building to 6 ft.
Sunday Night
W wind 10 to 15 kt increasing to 15 to 20 kt after midnight. Winds could gust as high as 30 kt. Mostly 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: 43.16°N 70.6°W
Last Update: 6:25 pm EST Feb 20, 2019
Forecast Valid: 8pm EST Feb 20, 2019-6pm EST Feb 27, 2019
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