NWS Marine Forecast


   ANZ500-312000-  1057 AM EDT Fri Jul 31 2026      .SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...    Weak high pressure will slowly build in from the west through  Saturday as low pressure gradually moves away from New England. The  next low pressure system will approach from the Ohio Valley Sunday  before crossing with a series of fronts early next week. Small Craft  Advisories may be needed for portions of the waters at times from  Saturday afternoon through Monday.    $$
   ANZ539-312000-  Chester River to Queenstown MD-  1057 AM EDT Fri Jul 31 2026    REST OF TODAY  NW winds 5 kt. Waves flat.  TONIGHT  S winds around 5 kt. Waves 1 ft or less.  SAT  S winds 5 to 10 kt. Waves 1 ft or less.  SAT NIGHT  S winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.  SUN  S winds 10 kt. Waves 1 ft.  SUN NIGHT  S winds 10 kt. Waves 1 ft. Showers likely with a chance  of tstms.  MON  S winds 5 to 10 kt. Waves 1 ft. A chance of tstms. Showers  likely .  TUE  SE winds 5 kt. Waves less than 1 ft. A chance of showers and  tstms through the night.    Winds and waves higher and visibilities lower in and near tstms.    $$