Long Duration Winter Storm for the Pacific Northwest; Heavy Rains in the Southeast and Hawaii

A long-duration winter storm will impact the Northwest through the weekend. The coastal ranges and lower elevations of the Cascades will have moderate to heavy rain, and periods of heavy snow will impact many mountain passes. Scattered storms and heavy rains may produce localized flash flooding across the central Gulf Coast into the Southeast and Hawaii.
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Gray/Portland, ME Local Forecast Office

5NM SSE Portsmouth NH

Marine Point Forecast

[NOTICE]
  • Overnight

    Partly Cloudy

    SW 10kt
    2ft

    Low: 41 °F

  • Friday

    Rain Likely

    SW 10kt
    1-2ft

    High: 51 °F

  • Friday
    Night

    Showers Likely

    Light Wind
    1ft

    Low: 43 °F

  • Saturday

    Mostly Cloudy

    Light Wind
    1ft

    High: 47 °F

  • Saturday
    Night

    Chance Showers

    Light Wind
    1ft

    Low: 43 °F

  • Sunday

    Showers Likely

    NE 10kt
    1-2ft

    High: 47 °F

  • Sunday
    Night

    Rain Likely

    NE 10kt
    2ft

    Low: 42 °F

  • Monday

    Chance Rain

    NW 15kt
    3ft

    High: 45 °F

  • Monday
    Night

    Chance Rain

    WNW 15kt
    3ft

    Low: 32 °F


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 12:29 am EST Dec 1, 2023
Forecast Valid: 3am EST Dec 1, 2023-6pm EST Dec 7, 2023

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Detailed Forecast


Overnight
SW wind around 10 kt. Partly cloudy. Seas around 2 ft.
Friday
SW wind 5 to 10 kt. Rain likely, mainly after 5pm. Seas 1 to 2 ft.
Friday Night
Variable winds 5 kt or less. Showers likely, mainly before 2am. Seas around 1 ft.
Saturday
Variable winds 5 kt or less. Mostly cloudy. Seas around 1 ft.
Saturday Night
Variable winds 5 kt or less. A chance of showers after midnight. Seas around 1 ft.
Sunday
NE wind around 10 kt. Showers likely, mainly after 5pm. Seas 1 to 2 ft.
Sunday Night
NE wind around 10 kt. Rain likely, mainly before 1am. Seas around 2 ft.
Monday
NNE wind 10 to 15 kt becoming NW in the afternoon. A chance of rain. Seas around 3 ft.
Monday Night
WNW wind 10 to 15 kt, with gusts as high as 20 kt. A chance of rain. Seas around 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: 42.98°N 70.74°W
Last Update: 12:29 am EST Dec 1, 2023
Forecast Valid: 3am EST Dec 1, 2023-6pm EST Dec 7, 2023
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