Unsettled Week From Northwest To Rockies; A Major Wet Storm System Over the East Late This Week

An active wet weather pattern will impact the Pacific Northwest into Inter-mountain West and Rockies, as two more storm systems arrive before the weekend. Expect heavy to excessive rain and widespread mountain snow. A couple of these systems will combine and evolve into a major very wet storm system with heavy to excessive rain, Thursday into the weekend, for the eastern half of the country.
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Gray/Portland, ME Local Forecast Office

25NM ENE Portsmouth NH

Marine Point Forecast

[NOTICE]
  • Today

    Partly Sunny

    SW 10kt
    2ft

    High: 35 °F

  • Tonight

    Mostly Cloudy

    Winds IncreasingN 15kt
    2-3ft

    Low: 26 °F

  • Wednesday

    Partly Sunny

    N 20kt
    4ft

    High: 31 °F

  • Wednesday
    Night

    Mostly Clear

    N 20ktWinds Decreasing
    4ft

    Low: 19 °F

  • Thursday

    Sunny

    N 10kt
    3ft

    High: 34 °F

  • Thursday
    Night

    Partly Cloudy

    SW 10kt
    2-3ft

    Low: 28 °F

  • Friday

    Mostly Sunny

    SSW 10kt
    2ft

    High: 45 °F

  • Friday
    Night

    Chance Rain

    S 15kt
    1-2ft

    Low: 41 °F

  • Saturday

    Chance Rain

    SE 15kt
    2-3ft

    High: 46 °F


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 7:19 am EST Dec 11, 2018
Forecast Valid: 10am EST Dec 11, 2018-6pm EST Dec 17, 2018

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Detailed Forecast


Synopsis: ANZ100-120100- 551 AM EST Tue Dec 11 2018 .Synopsis for Stonington ME to Merrimack River MA out to 25 NM... A ridge of high pressure will crest across the area today. Another cold front will cross the waters tonight followed by high pressure for Wednesday and Thursday. Low pressure begins to approach from the south on Friday, before tracking south of the waters on Saturday. && $$

Today
S wind 5 to 10 kt becoming WSW in the afternoon. Partly sunny. Seas around 2 ft.
Tonight
W wind 10 to 13 kt becoming N 12 to 15 kt after midnight. Mostly cloudy. Seas 2 to 3 ft.
Wednesday
N wind 15 to 20 kt. Partly sunny. Seas around 4 ft.
Wednesday Night
N wind 15 to 20 kt decreasing to 10 to 15 kt after midnight. Mostly clear. Seas around 4 ft.
Thursday
N wind 5 to 10 kt. Sunny. Seas around 3 ft.
Thursday Night
SW wind around 10 kt. Partly cloudy. Seas 2 to 3 ft.
Friday
SSW wind around 10 kt. Mostly sunny. Seas around 2 ft.
Friday Night
S wind 10 to 15 kt. A chance of rain. Seas 1 to 2 ft.
Saturday
SE wind 10 to 15 kt, with gusts as high as 25 kt. A chance of rain. Seas 2 to 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: 43.18°N 70.24°W
Last Update: 7:19 am EST Dec 11, 2018
Forecast Valid: 10am EST Dec 11, 2018-6pm EST Dec 17, 2018
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