Heavy Rain and Mountain Snow This Week Northwest To Rockies; Heavy Rain May Bring Flooding to Portions of the East Late Week

At least two storm systems will batter the Pacific Northwest into the northern Rockies this week with heavy rain and mountain snow. The first system may bring as much as two feet of snow to the northern Cascades through Wednesday. This first system will then move over the central US by late week and bring heavy to excessive rain to portions of the south and east Thursday into this weekend.
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12NM ESE Annapolis MD

Marine Point Forecast

[NOTICE]
  • Today

    Sunny

    WSW 7kt
    < 1ft
  • Tonight

    Mostly Clear

    WNW 10kt
    1ft
  • Wednesday

    Sunny

    NW 11ktWinds Decreasing
    < 1ft
  • Wednesday
    Night

    Increasing Clouds

    Winds IncreasingESE 7kt
    < 1ft
  • Thursday

    Partly Sunny

    ESE 7kt
    1ft
  • Thursday
    Night

    Mostly Cloudy

    E 7kt
    1ft
  • Friday

    Chance Rain

    ESE 7kt
    1ft
  • Friday
    Night

    Heavy Rain

    ESE 11kt
    1-2ft
  • Saturday

    Chance Showers

    ESE 10kt
    1-2ft

Associated Zone Forecast which includes this point

Last Update: 9:31 am EST Dec 11, 2018
Forecast Valid: 11am EST Dec 11, 2018-6pm EST Dec 17, 2018

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Detailed Forecast


Synopsis: A ridge of high pressure will gradually build in from the southwest and persist through Thursday. A large area of low pressure will approach the waters late Friday into Saturday. Small Craft Advisory conditions will be possible Friday afternoon and likely Friday night into Saturday.

Today
NNW wind 5 to 7 kt becoming WSW in the afternoon. Sunny. Seas 1 ft or less.
Tonight
WSW wind 8 to 10 kt becoming WNW after midnight. Mostly clear. Seas around 1 ft.
Wednesday
NW wind 6 to 11 kt becoming variable and less than 5 kt in the afternoon. Sunny. Seas 1 ft or less.
Wednesday Night
Variable winds less than 5 kt becoming ESE 5 to 7 kt in the evening. Increasing clouds. Seas 1 ft or less.
Thursday
ESE wind around 7 kt. Partly sunny. Seas around 1 ft.
Thursday Night
E wind around 7 kt. Mostly cloudy. Seas around 1 ft.
Friday
ESE wind around 7 kt. A chance of rain after 1pm. Seas around 1 ft.
Friday Night
ESE wind 9 to 11 kt, with gusts as high as 22 kt. Rain likely. The rain could be heavy at times. Seas 1 to 2 ft.
Saturday
ESE wind 8 to 10 kt becoming SW in the afternoon. Winds could gust as high as 22 kt. A chance of showers. Seas 1 to 2 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: 38.88°N 76.28°W
Last Update: 9:31 am EST Dec 11, 2018
Forecast Valid: 11am EST Dec 11, 2018-6pm EST Dec 17, 2018
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