Severe Thunderstorms over the Plains, Heavy Rain Threat Continues over Portions of the Mississippi Valley

Heavy rainfall with localized flooding will remain possible over portions of the Mississippi Valley and the Plains through midweek. In addition, severe thunderstorms will be possible over the southern and central Plains. Some of the storms could contain damaging winds and large hail.
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20NM S Annapolis MD

Marine Point Forecast

[NOTICE]
  • Tonight

    Isolated Showers

    SSW 6ktWinds Decreasing
    < 1ft
  • Thursday

    Chance Thunderstorms

    Winds IncreasingSSE 9kt
    < 1ft
  • Thursday
    Night

    Chance Thunderstorms

    SSE 11kt
    2ft

    Small Craft Advisory
    Small Craft Advisory

  • Friday

    Thunderstorms Likely

    S 11kt
    1-2ft
  • Friday
    Night

    Thunderstorms Likely

    SSW 9kt
    1-2ft
  • Saturday

    Mostly Sunny

    NW 6ktWinds Decreasing
    < 1ft
  • Saturday
    Night

    Partly Cloudy

    Light Wind
    < 1ft
  • Sunday

    Mostly Sunny

    Light Wind
    < 1ft
  • Sunday
    Night

    Partly Cloudy

    Light Wind
    1ft

Associated Zone Forecast which includes this point

Last Update: 5:30 pm EDT Aug 16, 2017
Forecast Valid: 7pm EDT Aug 16, 2017-6pm EDT Aug 23, 2017

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Detailed Forecast

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

Synopsis: High pressure will build over the waters through tonight. A warm front will pass through the area Thursday before a cold front approaches Friday. The cold front will pass through Friday night into early Saturday. A pressure trough will remain nearby for later Saturday and Sunday. Small Craft Advisories may be needed Friday.

Tonight
SSW wind around 6 kt becoming variable and less than 5 kt. Isolated showers before 8pm. Seas 1 ft or less.
Thursday
Variable winds less than 5 kt becoming SSE 5 to 9 kt in the morning. A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Seas 1 ft or less.
Thursday Night
SSE wind around 11 kt. A chance of showers and thunderstorms. Seas around 2 ft.
Friday
S wind 9 to 11 kt. Showers and thunderstorms likely, mainly after 2pm. Seas 1 to 2 ft.
Friday Night
SSW wind 6 to 9 kt becoming WSW after midnight. Showers and thunderstorms likely, mainly before 8pm. Seas 1 to 2 ft.
Saturday
NW wind around 6 kt becoming variable and less than 5 kt in the afternoon. Mostly sunny. Seas 1 ft or less.
Saturday Night
Variable winds 5 kt or less. Partly cloudy. Seas 1 ft or less.
Sunday
Variable winds 5 kt or less. Mostly sunny. Seas 1 ft or less.
Sunday Night
Variable winds 5 kt or less. Partly cloudy. Seas around 1 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: 38.65°N 76.46°W
Last Update: 5:30 pm EDT Aug 16, 2017
Forecast Valid: 7pm EDT Aug 16, 2017-6pm EDT Aug 23, 2017
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