Wet Pattern Continues From the Northwest To Rockies; Major Storm System To Develop On Thursday Across Southern Plains

A vigorous system will slide from the Northwest to the Rockies on Wednesday to keep intact the wet pattern across the extended region. Heavy to excessive rain, intense mountain snow and high winds are possible before the next system arrives on Friday. The same system will evolve into a major storm on Thursday across the southern Plains for a widespread rain event for the South and East.
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Gray/Portland, ME Local Forecast Office

25NM ENE Portsmouth NH

Marine Point Forecast

[NOTICE]
  • Today

    Mostly Sunny

    NNW 15kt
    3-4ft

    High: 32 °F

    Small Craft Advisory
    Small Craft Advisory

  • Tonight

    Mostly Clear

    NNE 15ktWinds Decreasing
    3-4ft

    Low: 18 °F

    Small Craft Advisory
    Small Craft Advisory

  • Thursday

    Mostly Sunny

    NNE 10kt
    3ft

    High: 34 °F

  • Thursday
    Night

    Partly Cloudy

    SW 10kt
    2-3ft

    Low: 29 °F

  • Friday

    Mostly Sunny

    SSW 10kt
    2ft

    High: 43 °F

  • Friday
    Night

    Chance Showers

    S 15kt
    2-3ft

    Low: 41 °F

  • Saturday

    Showers Likely

    SSE 15kt
    3ft

    High: 45 °F

  • Saturday
    Night

    Showers Likely

    N 20kt
    3-4ft

    Low: 38 °F

  • Sunday

    Mostly Sunny

    NNE 15kt
    4ft

    High: 42 °F


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 8:18 am EST Dec 12, 2018
Forecast Valid: 10am EST Dec 12, 2018-6pm EST Dec 18, 2018

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Detailed Forecast


Synopsis: ANZ100-130115- 614 AM EST Wed Dec 12 2018 .Synopsis for Stonington ME to Merrimack River MA out to 25 NM... Weak low pressure over the Gulf of Maine exits this morning as a cold front moves through the waters. High pressure builds in tonight through Friday. Low pressure passes south of the waters this weekend. && $$

Today
NNW wind around 15 kt, with gusts as high as 25 kt. Mostly sunny. Seas 3 to 4 ft.
Tonight
NNE wind 12 to 15 kt decreasing to 10 to 13 kt after midnight. Winds could gust as high as 25 kt. Mostly clear. Seas 3 to 4 ft.
Thursday
NNE wind 5 to 10 kt becoming SE in the afternoon. Mostly 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 showers after 7pm. Seas 2 to 3 ft.
Saturday
SSE wind 10 to 15 kt becoming W in the afternoon. Showers likely, mainly after 8am. Seas around 3 ft.
Saturday Night
N wind 15 to 20 kt. Showers likely. Seas 3 to 4 ft.
Sunday
NNE wind around 15 kt becoming NNW in the afternoon. Winds could gust as high as 25 kt. Mostly sunny. Seas around 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: 43.18°N 70.24°W
Last Update: 8:18 am EST Dec 12, 2018
Forecast Valid: 10am EST Dec 12, 2018-6pm EST Dec 18, 2018
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