NWS Marine Forecast



 Hazardous marine condition(s):
 Small Craft Advisory
   ANZ500-202000-  1057 AM EDT Mon Jul 20 2026      .SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...    High pressure will pass north of the area today. A warm front will  return northward tonight into Tuesday, followed by another cold  front Tuesday night into Wednesday. High pressure will build in from  the west Thursday and Friday. Small Craft Advisories will likely be  needed Tuesday through early Thursday.    $$
   ANZ534-202000-  Chesapeake Bay from Drum Point to Smith Point-  1057 AM EDT Mon Jul 20 2026    SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM EDT THIS EVENING THROUGH  LATE TONIGHT    REST OF TODAY  SE winds 5 to 10 kt. Waves 1 ft.  TONIGHT  SE winds 10 to 15 kt...becoming S late. Gusts up to  20 kt. Waves 3 ft. Showers likely with a chance of tstms.  TUE  SW winds 10 to 15 kt. Gusts up to 20 kt... increasing to  25 kt late. Waves 2 to 3 ft. Showers and tstms likely.  TUE NIGHT  SW winds 20 to 25 kt with gusts to 30 kt. Waves 3 ft.  Showers with a chance of tstms.  WED  SW winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft. Showers  with a chance of tstms.  WED NIGHT  NW winds 10 to 15 kt. Gusts up to 20 kt. Waves 2 ft.  Showers likely.  THU  NE winds 10 to 15 kt. Waves 1 to 2 ft. A chance of showers in  the morning.  FRI  NE winds 5 to 10 kt. Waves 1 ft.    Winds and waves higher and visibilities lower in and near tstms.    $$