NWS Marine Forecast



 Hazardous marine condition(s):
 Small Craft Advisory
   ANZ500-302000-  227 AM EDT Thu Jul 30 2026      .SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...    Weak high pressure will slowly build in from the west through Friday  as low pressure gradually moves away from New England. The next low  pressure system will approach from the Ohio Valley this weekend.  Small Craft Advisories may be needed for portions of the waters late  Saturday through Monday.    $$
   ANZ539-302000-  Chester River to Queenstown MD-  227 AM EDT Thu Jul 30 2026    SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON    OVERNIGHT  NW winds 15 kt with gusts to 20 kt. Waves 2 ft.  THU  NW winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.  THU NIGHT  N winds 5 to 10 kt. Waves 1 ft.  FRI  NW winds around 5 kt. Waves 1 ft or less.  FRI NIGHT  S winds around 5 kt. Waves 1 ft or less.  SAT  S winds 5 to 10 kt. Waves 1 ft or less.  SAT NIGHT  S winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.  SUN  S winds 5 to 10 kt. Waves 1 ft. A chance of showers in the  afternoon. Showers likely with a chance of tstms through the night.  MON  NE winds around 5 kt. Waves 1 ft or less. A chance of  showers. A chance of tstms through the night.    Winds and waves higher and visibilities lower in and near tstms.    $$