NWS Marine Forecast



 Hazardous marine condition(s):
 Hazardous Weather Outlook
   ANZ500-160800-  1245 PM EDT Wed Jul 15 2026      .SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...    High pressure will shift to the south the second half of the week. A  weak cold front will drop southward Thursday into Friday, then a  stronger cold front will approach from the north Saturday.    $$
   ANZ539-160800-  Chester River to Queenstown MD-  1245 PM EDT Wed Jul 15 2026    THIS AFTERNOON  SW winds 5 to 10 kt. Waves 1 ft.  TONIGHT  SW winds 5 to 10 kt...becoming NW late. Waves 1 ft.  THU  NW winds around 5 kt...becoming SW late. Waves 1 ft or less.  Areas of smoke.  THU NIGHT  SW winds 5 to 10 kt...becoming N after midnight. Waves  1 ft. Areas of smoke.  FRI  N winds 5 to 10 kt. Waves 1 ft. Areas of smoke.  FRI NIGHT  SE winds around 5 kt. Waves 1 ft or less.  SAT  S winds 5 to 10 kt...becoming W after midnight. Waves 1 ft.  Showers with tstms likely.  SUN  NW winds 5 to 10 kt...becoming E after midnight. Waves 1 ft  or less. A chance of showers and tstms through the night.    Winds and waves higher and visibilities lower in and near tstms.    $$