Arctic Air Plunges into the Great Lakes, Northeast and Mid-Atlantic

Arctic air dropping through the northern and eastern U.S. and a storm off the east coast will bring periods of snow, very cold wind chills and hazardous traveling conditions from the Upper Great Lakes to the Northeast. Meanwhile in southern California, Santa Ana winds will decrease but hot, dry air will remain over the area with elevated fire weather conditions.
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26NM WSW Annapolis MD

Marine Point Forecast

[NOTICE]
  • Tonight

    Chance Snow

    SSW 11kt
    1ft
  • Thursday

    Slight Chc Snow

    NW 15kt
    1ft

    Small Craft Advisory
    Small Craft Advisory

  • Thursday
    Night

    Increasing Clouds

    NNW 8ktWinds Decreasing
    < 1ft
  • Friday

    Slight Chc Snow

    Light Wind
    < 1ft
  • Friday
    Night

    Slight Chc Snow

    Winds IncreasingW 7kt
    < 1ft
  • Saturday

    Mostly Sunny

    W 9kt
    1ft
  • Saturday
    Night

    Mostly Clear

    Light Wind
    < 1ft
  • Sunday

    Partly Sunny

    Light Wind
    < 1ft
  • Sunday
    Night

    Chance Showers

    Light Wind
    < 1ft

Associated Zone Forecast which includes this point

Last Update: 6:27 pm EST Dec 13, 2017
Forecast Valid: 8pm EST Dec 13, 2017-6pm EST Dec 20, 2017

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Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT FROM THURSDAY MORNING THROUGH

Synopsis: A clipper system will cross the waters tonight. High pressure will return for Thursday. A low pressure system will develop as it moves up the coast Friday. High pressure will return for Saturday. A Small Craft Advisory may be needed for portions of the waters Friday night through Saturday.

Tonight
SSW wind 7 to 11 kt. A chance of snow before 1am. Seas around 1 ft.
Thursday
WSW wind 10 to 15 kt becoming NW in the morning. A slight chance of snow showers before 1pm. Seas around 1 ft.
Thursday Night
NNW wind 5 to 8 kt becoming variable and less than 5 kt after midnight. Increasing clouds. Seas 1 ft or less.
Friday
Variable winds 5 kt or less. A slight chance of snow showers. Seas 1 ft or less.
Friday Night
Variable winds less than 5 kt becoming W 5 to 7 kt in the evening. A slight chance of snow showers. Seas 1 ft or less.
Saturday
W wind 5 to 9 kt becoming NW in the afternoon. Mostly sunny. Seas around 1 ft.
Saturday Night
Variable winds 5 kt or less. Mostly clear. Seas 1 ft or less.
Sunday
Variable winds 5 kt or less. Partly sunny. Seas 1 ft or less.
Sunday Night
Variable winds 5 kt or less. 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: 38.87°N 77.03°W
Last Update: 6:27 pm EST Dec 13, 2017
Forecast Valid: 8pm EST Dec 13, 2017-6pm EST Dec 20, 2017
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