Severe Thunderstorm Threat Increasing This Week from the High Plains to Gulf Coast

A storm system will move from the Rockies to the East Coast during the next several days bringing a severe thunderstorm threat to many parts of the nation. On Thursday, large hail will be the main threat in the High Plains. By Friday a more widespread threat will develop in the ArkLaTex region where damaging winds, very large hail and tornadoes will be possible.
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Gray/Portland, ME Local Forecast Office

9NM ESE Portsmouth NH

Marine Point Forecast

[NOTICE]
  • Today

    Sunny

    WNW 15kt
    2-3ft

    High: 31 °F

    Gale Warning
    Gale Warning

  • Tonight

    Increasing Clouds

    NW 15ktWinds Decreasing
    1-2ft

    Low: 24 °F

  • Friday

    Rain/Snow Likely

    Winds IncreasingSSW 20kt
    Waves Building4ft

    High: 42 °F

  • Friday
    Night

    Rain Likely

    WSW 15ktWinds Decreasing
    3-4ft

    Low: 39 °F

  • Saturday

    Chance Rain

    WNW 10kt
    1ft

    High: 45 °F

  • Saturday
    Night

    Mostly Cloudy

    Winds IncreasingNNE 10kt
    1-2ft

    Low: 32 °F

  • Sunday

    Chance Rain/Snow

    NE 15kt
    3ft

    High: 37 °F

  • Sunday
    Night

    Chance Snow

    ESE 10kt
    2-3ft

    Low: 33 °F

  • Monday

    Rain/Snow

    E 15kt
    Waves Building5ft

    High: 40 °F


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 3:45 am EDT Mar 23, 2017
Forecast Valid: 5am EDT Mar 23, 2017-6pm EDT Mar 29, 2017

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Detailed Forecast


Synopsis: HIGH PRESSURE WILL BUILD IN FROM THE WEST THROUGH TONIGHT. A WARM FRONT WILL CROSS THE AREA FROM THE WEST ON FRIDAY. ANOTHER COLD FRONT WILL DROP DOWN FROM THE NORTH SATURDAY MORNING WITH HIGH PRESSURE SETTLING INTO NORTHERN MAINE ON SUNDAY.

Today
WNW wind around 15 kt, with gusts as high as 25 kt. Sunny. Seas 2 to 3 ft.
Tonight
NW wind 10 to 15 kt becoming WNW 5 to 8 kt after midnight. Increasing clouds. Seas 1 to 2 ft.
Friday
SSW wind 10 to 15 kt increasing to 15 to 20 kt in the afternoon. Winds could gust as high as 25 kt. Snow likely before 2pm, then rain and snow likely between 2pm and 3pm, then rain likely after 3pm. Seas 1 ft building to 4 ft.
Friday Night
WSW wind 12 to 15 kt decreasing to 10 to 13 kt after midnight. Winds could gust as high as 25 kt. Rain likely, mainly before 7pm. Seas 3 to 4 ft.
Saturday
WNW wind 5 to 10 kt becoming N in the afternoon. A chance of rain. Seas around 1 ft.
Saturday Night
NNE wind 5 to 8 kt increasing to 7 to 10 kt after midnight. Mostly cloudy. Seas 1 to 2 ft.
Sunday
NE wind 10 to 15 kt becoming E in the afternoon. A chance of snow after 9am, mixing with rain after 1pm. Seas around 3 ft.
Sunday Night
ESE wind around 10 kt. A chance of snow. Seas 2 to 3 ft.
Monday
E wind around 15 kt, with gusts as high as 20 kt. Rain and snow. Seas 3 ft building 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: 42.99°N 70.62°W
Last Update: 3:45 am EDT Mar 23, 2017
Forecast Valid: 5am EDT Mar 23, 2017-6pm EDT Mar 29, 2017
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