Locally Heavy Rain The Next Few Days; Inclement Weather Returns To Northwest Late In The Week

Locally heavy rainfall is expected the next few days in multiple areas of the Lower 48. Today rain is expected across the East, then on Wednesday in the southern Plains and Lower Mississippi Valley and finally on Thursday across the Ohio Valley. Meanwhile, a very inclement weather pattern will take shape late week into the weekend for the Northwest, West Coast and much of the West.
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Gray/Portland, ME Local Forecast Office

3NM SE Portsmouth NH

Marine Point Forecast

[NOTICE]
  • Late
    Afternoon

    Slight Chc Rain

    SE 10kt
    < 1ft

    High: 52 °F

  • Tonight

    Rain

    ESE 10kt
    < 1ft

    Low: 46 °F

  • Wednesday

    Rain

    SSE 10kt
    < 1ft

    High: 50 °F

  • Wednesday
    Night

    Showers Likely

    NW 10kt
    < 1ft

    Low: 45 °F

  • Thursday

    Sunny

    NW 10kt
    < 1ft

    High: 50 °F

  • Thursday
    Night

    Mostly Clear

    NNW 10kt
    < 1ft

    Low: 34 °F

  • Friday

    Mostly Sunny

    N 15kt
    < 1ft

    High: 43 °F

  • Friday
    Night

    Chance Showers

    NNE 15kt
    < 1ft

    Low: 37 °F

  • Saturday

    Chance Showers

    NNE 15kt
    < 1ft

    High: 40 °F


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 2:26 pm EST Dec 6, 2022
Forecast Valid: 4pm EST Dec 6, 2022-6pm EST Dec 13, 2022

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Detailed Forecast


Synopsis: ANZ100-071000- 249 PM EST Tue Dec 6 2022 .Synopsis for Stonington ME to Merrimack River Ma out to 25 NM. High pressure over the Canadian Maritimes continues onshore flow through the middle of the week with rain showers and fog developing over the waters tonight and tomorrow as low pressure approaches from the west. This low pressure system slowly moves over the waters Wednesday night, departing east Thursday, with a return of high pressure late in the week. Seas are expected to build going into the weekend as a northeast flow develops. $$

Late Afternoon
SE wind around 10 kt. A slight chance of rain after 5pm. Seas 1 ft or less.
Tonight
ESE wind around 10 kt. Rain, mainly after 9pm. Patchy fog after 4am. Seas 1 ft or less.
Wednesday
SSE wind 5 to 10 kt. Rain. Patchy fog. Seas 1 ft or less.
Wednesday Night
S wind 5 to 10 kt becoming NW after midnight. Showers likely before 1am. Patchy fog before 3am. Seas 1 ft or less.
Thursday
NW wind around 10 kt, with gusts as high as 20 kt. Sunny. Seas 1 ft or less.
Thursday Night
NNW wind around 10 kt, with gusts as high as 20 kt. Mostly clear. Seas 1 ft or less.
Friday
N wind 10 to 15 kt, with gusts as high as 25 kt. Mostly sunny. Seas 1 ft or less.
Friday Night
NNE wind around 15 kt, with gusts as high as 30 kt. A chance of showers. Seas 1 ft or less.
Saturday
NNE wind around 15 kt, with gusts as high as 30 kt. A chance of showers. Seas 1 ft or less.

*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: 43.02°N 70.73°W
Last Update: 2:26 pm EST Dec 6, 2022
Forecast Valid: 4pm EST Dec 6, 2022-6pm EST Dec 13, 2022
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