Powerful Storm To Produce Widespread Hazards This Weekend

A powerful storm will track from the central Plains to the Great Lakes this weekend. This large system will produce several hazards across the Eastern two-thirds of the country; severe storms w/ damaging winds and tornadoes in the TN and Lower MS Valleys, rain and continued flood threat for the OH and TN Valleys and heavy snow w/ blizzard conditions from the central Plains to Upper MS Valley.
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Gray/Portland, ME Local Forecast Office

25NM ENE Portsmouth NH

Marine Point Forecast

[NOTICE]
  • Overnight

    Mostly Clear

    NNE 10kt
    2ft

    Low: 29 °F

  • Saturday

    Sunny

    Light Wind
    1ft

    High: 40 °F

  • Saturday
    Night

    Chance Rain/Snow

    SSW 10kt
    1ft

    Low: 34 °F

  • Sunday

    Rain/Snow

    SE 25ktWinds Decreasing
    Waves Building10ft

    High: 40 °F

  • Sunday
    Night

    Chance Showers

    Winds IncreasingW 25kt
    9ftWaves Subsiding

    Low: 35 °F

  • Monday

    Partly Sunny

    WNW 35kt
    6-7ft

    High: 37 °F

  • Monday
    Night

    Partly Cloudy

    WNW 35kt
    5-6ft

    Low: 19 °F

  • Tuesday

    Sunny

    WNW 25kt
    4-5ft

    High: 24 °F

  • Tuesday
    Night

    Partly Cloudy

    NW 25ktWinds Decreasing
    4ftWaves Subsiding

    Low: 14 °F


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 9:56 pm EST Feb 22, 2019
Forecast Valid: 12am EST Feb 23, 2019-6pm EST Mar 1, 2019

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Detailed Forecast


Synopsis: ANZ100-231700- 947 PM EST Fri Feb 22 2019 .Synopsis for Stonington ME to Merrimack River MA out to 25 NM... High pressure will remain over the waters through Saturday before strong low pressure moves into the Great Lakes on Sunday...with a secondary low forming over the Gulf of Maine Sunday night. This low will strengthen rapidly as it moves into the Canadian maritimes on Monday with widespread gales and possibly storm force winds. These winds will very gradually subside through Tuesday and Wednesday as high pressure builds into the region from the west. && $$

Overnight
NNE wind 5 to 10 kt. Mostly clear. Seas around 2 ft.
Saturday
Variable winds 5 kt or less. Sunny. Seas around 1 ft.
Saturday Night
SSW wind 5 to 10 kt. A chance of rain and snow after 4am. Seas around 1 ft.
Sunday
SE wind 20 to 25 kt becoming S 10 to 15 kt in the afternoon. Winds could gust as high as 30 kt. Rain and snow, becoming all rain after 3pm. Seas 3 ft building to 10 ft.
Sunday Night
W wind 10 to 15 kt increasing to 20 to 25 kt. Winds could gust as high as 35 kt. A chance of showers before 7pm. Seas 9 ft subsiding to 7 ft.
Monday
W wind 30 to 35 kt becoming WNW in the afternoon. Winds could gust as high as 50 kt. Partly sunny. Seas 6 to 7 ft.
Monday Night
WNW wind 30 to 35 kt, with gusts as high as 45 kt. Partly cloudy. Seas 5 to 6 ft.
Tuesday
WNW wind around 25 kt, with gusts as high as 35 kt. Sunny. Seas 4 to 5 ft.
Tuesday Night
NW wind 20 to 25 kt decreasing to 15 to 20 kt after midnight. Winds could gust as high as 35 kt. Partly cloudy. Seas 4 ft subsiding to 2 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: 9:56 pm EST Feb 22, 2019
Forecast Valid: 12am EST Feb 23, 2019-6pm EST Mar 1, 2019
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