Significant Winter Storm to Affect the Pacific Coast through the Upper Midwest

A significant storm will bring high winds and heavy precipitation, including mountain snow, to portions of the western U.S. this weekend. Extremely dangerous travel is expected through passes. Confidence is increasing that this storm will then impact the central U.S. with heavy snow and strong winds to the north and severe thunderstorms with possible tornadoes and heavy rainfall to the south.
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Gray/Portland, ME Local Forecast Office

10NM S Portsmouth NH

Marine Point Forecast

[NOTICE]
  • Overnight

    Partly Cloudy

    NNE 15kt
    5ft

    Low: 30 °F

  • Saturday

    Partly Sunny

    NNE 15kt
    5-6ft

    High: 35 °F

  • Saturday
    Night

    Mostly Cloudy

    NNE 15kt
    6-7ft

    Low: 24 °F

  • Sunday

    Mostly Cloudy

    NNE 10kt
    5-6ft

    High: 34 °F

  • Sunday
    Night

    Chance Snow

    N 10kt
    4-5ft

    Low: 27 °F

  • Monday

    Mostly Sunny

    N 10kt
    4-5ft

    High: 36 °F

  • Monday
    Night

    Mostly Clear

    NNW 10kt
    3-4ft

    Low: 26 °F

  • Tuesday

    Sunny

    NNW 10kt
    4ft

    High: 38 °F

  • Tuesday
    Night

    Mostly Clear

    NNW 15kt
    3-4ft

    Low: 27 °F


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 12:23 am EST Dec 10, 2022
Forecast Valid: 2am EST Dec 10, 2022-6pm EST Dec 16, 2022

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Detailed Forecast


Synopsis: ANZ100-101830- 1123 PM EST Fri Dec 9 2022 .Synopsis for Stonington ME to Merrimack River Ma out to 25 NM. Northerly winds strengthen to a low-end gale through this evening and then persist overnight into early Saturday morning. As a high pressure system drifts toward the Canadian Maritimes this weekend, winds will turn northeasterly remaining gusty at times and corresponding with seas hazardous to small crafts. Light showers are possible through the weekend with low pressure anchored well out over the Atlantic contributing to northeasterly flow. $$

Overnight
NNE wind around 15 kt, with gusts as high as 25 kt. Partly cloudy. Seas around 5 ft.
Saturday
NNE wind around 15 kt, with gusts as high as 25 kt. Partly sunny. Seas 5 to 6 ft.
Saturday Night
NNE wind 10 to 15 kt. Mostly cloudy. Seas 6 to 7 ft.
Sunday
NNE wind around 10 kt. Mostly cloudy. Seas 5 to 6 ft.
Sunday Night
N wind around 10 kt. A chance of snow after 10pm. Seas 4 to 5 ft.
Monday
N wind around 10 kt. Mostly sunny. Seas 4 to 5 ft.
Monday Night
NNW wind around 10 kt. Mostly clear. Seas 3 to 4 ft.
Tuesday
NNW wind around 10 kt. Sunny. Seas around 4 ft.
Tuesday Night
NNW wind 10 to 15 kt. Mostly clear. 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: 42.9°N 70.79°W
Last Update: 12:23 am EST Dec 10, 2022
Forecast Valid: 2am EST Dec 10, 2022-6pm EST Dec 16, 2022
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