Storm Moving Through the Upper Midwest to the Northeast

Heavy rain and the potential for strong thunderstorms along and east of the Appalachians will precede a cold front, while snow showers will fall behind the front in the Ohio Valley, Upper Midwest and Great Lake States. Rain-on-snow flooding is possible in portions of New England and New York State. Rain and high elevation snow will return to the west.
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Gray/Portland, ME Local Forecast Office

9NM ESE Portsmouth NH

Marine Point Forecast

[NOTICE]
  • Tonight

    Showers Likely

    W 20kt
    3-4ft

    Low: 37 °F

    Gale Warning
    Gale Warning

  • Sunday

    Mostly Sunny

    W 20kt
    3ft

    High: 43 °F

    Gale Warning
    Gale Warning

  • Sunday
    Night

    Mostly Clear

    WNW 15kt
    3ft

    Low: 33 °F

  • Monday

    Sunny

    WSW 15kt
    2-3ft

    High: 49 °F

  • Monday
    Night

    Scattered Showers

    WSW 10kt
    1-2ft

    Low: 37 °F

  • Tuesday

    Scattered Rain

    Light Wind
    1ft

    High: 46 °F

  • Tuesday
    Night

    Chance Rain

    SE 10kt
    1-2ft

    Low: 40 °F

  • Wednesday

    Rain Likely

    S 15kt
    2-3ft

    High: 51 °F

  • Wednesday
    Night

    Chance Rain

    SW 15kt
    3-4ft

    Low: 44 °F


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 7:17 pm EST Feb 25, 2017
Forecast Valid: 9pm EST Feb 25, 2017-6pm EST Mar 4, 2017

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Detailed Forecast


Synopsis: A COLD FRONT WILL MOVE ACROSS THE WATERS TONIGHT GENERATING GUSTY WINDS LATE TONIGHT AND TOMORROW. ANOTHER WEAK SYSTEM WILL PASS NORTH OF THE WATERS ON MONDAY BEFORE A STRONG SYSTEM AFFECTS THE WATERS LATE WEDNESDAY.

Tonight
S wind 15 to 20 kt becoming W after midnight. Winds could gust as high as 25 kt. Showers likely before 10pm, then showers likely and possibly a thunderstorm between 10pm and midnight. Widespread dense fog before 1am. Seas 3 to 4 ft.
Sunday
W wind around 20 kt, with gusts as high as 30 kt. Mostly sunny. Seas around 3 ft.
Sunday Night
WNW wind around 15 kt becoming WSW after midnight. Winds could gust as high as 25 kt. Mostly clear. Seas around 3 ft.
Monday
WSW wind around 15 kt, with gusts as high as 25 kt. Sunny. Seas 2 to 3 ft.
Monday Night
WSW wind 5 to 10 kt becoming WNW after midnight. Scattered showers after 5am. Seas 1 to 2 ft.
Tuesday
Variable winds 5 kt or less. Scattered rain. Seas around 1 ft.
Tuesday Night
SE wind 5 to 10 kt. A chance of rain. Seas 1 to 2 ft.
Wednesday
SSE wind 10 to 15 kt becoming S in the afternoon. Rain likely. Seas 2 to 3 ft.
Wednesday Night
SW wind 10 to 15 kt, with gusts as high as 20 kt. A chance of rain. Seas 3 to 4 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: 7:17 pm EST Feb 25, 2017
Forecast Valid: 9pm EST Feb 25, 2017-6pm EST Mar 4, 2017
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