NWS Marine Forecast



 Hazardous marine condition(s):
 Hazardous Weather Outlook
   ANZ500-112000-  1058 AM EDT Tue Aug 11 2026      .SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...    High pressure will be persistent off the east coast into the middle  of the week while a cold front gradually approaches from the north.  Daily thunderstorm chances continue for the remainder of the week.  Gusty winds and frequent cloud to ground lightning will be the  primary threats with any storms. Special Marine Warnings will be a  possibility each day today through Friday.    $$
   ANZ539-112000-  Chester River to Queenstown MD-  1058 AM EDT Tue Aug 11 2026    REST OF TODAY  W winds 5 to 10 kt. Waves 1 ft.  TONIGHT  W winds 5 to 10 kt. Waves 1 ft. A chance of showers and  tstms.  WED  NW winds 5 to 10 kt. Waves 1 ft.  WED NIGHT  SW winds around 5 kt. Waves flat. A chance of showers.  THU  W winds 5 kt. Waves less than 1 ft.  THU NIGHT  NW winds 5 kt. Waves less than 1 ft. A chance of  showers.  FRI  N winds 5 to 10 kt. Waves 1 ft.  SAT  N winds 5 to 10 kt...becoming S after midnight. Waves 1 ft or  less.    Winds and waves higher and visibilities lower in and near tstms.    $$