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 30km/h
    1m

    High: 0 °C

    Small Craft Advisory
    Small Craft Advisory

  • Tonight

    Mostly Clear

    NNE 30km/hWinds Decreasing
    1m

    Low: -8 °C

    Small Craft Advisory
    Small Craft Advisory

  • Thursday

    Mostly Sunny

    NNE 15km/hWinds Decreasing
    1m

    High: 1 °C

  • Thursday
    Night

    Partly Cloudy

    SW 20km/h
    1m

    Low: -2 °C

  • Friday

    Mostly Sunny

    SSW 25km/h
    1m

    High: 6 °C

  • Friday
    Night

    Chance Showers

    S 25km/h
    1m

    Low: 5 °C

  • Saturday

    Showers Likely

    SE 25km/h
    1m

    High: 7 °C

  • Saturday
    Night

    Mostly Cloudy

    Winds IncreasingNNE 35km/h
    1m

    Low: 3 °C

  • Sunday

    Mostly Sunny

    NNE 30km/h
    1-2m

    High: 6 °C


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: 11am 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 25 to 30 km/h, with gusts as high as 45 km/h. Mostly sunny. Seas around 1 m.
Tonight
NNE wind 25 to 30 km/h decreasing to 20 to 25 km/h. Winds could gust as high as 45 km/h. Mostly clear. Seas around 1 m.
Thursday
NNE wind 12 to 15 km/h becoming NNE 10 to 13 km/h in the afternoon. Mostly sunny. Seas around 1 m.
Thursday Night
SW wind around 20 km/h. Partly cloudy. Seas around 1 m.
Friday
SSW wind 20 to 25 km/h. Mostly sunny. Seas around 1 m.
Friday Night
S wind around 25 km/h, with gusts as high as 30 km/h. A chance of showers. Seas around 1 m.
Saturday
SE wind 20 to 25 km/h becoming NW in the afternoon. Winds could gust as high as 35 km/h. Showers likely. Seas around 1 m.
Saturday Night
NNE wind 25 to 30 km/h increasing to 30 to 35 km/h after midnight. Winds could gust as high as 45 km/h. Mostly cloudy. Seas around 1 m.
Sunday
NNE wind 25 to 30 km/h becoming NNW in the afternoon. Winds could gust as high as 40 km/h. Mostly sunny. Seas 1 to 2 m.

*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: 11am EST Dec 12, 2018-6pm EST Dec 18, 2018
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