NWS Marine Forecast


   ANZ500-192100-  525 AM EDT Wed Aug 19 2026      .SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...    High pressure will gradually build in from the Ohio River Valley  today, then move offshore tonight as a cold front approaches from  the Great Lakes. The cold front will cross the Mid-Atlantic  Thursday, then linger nearby Friday into the weekend as one or more  waves of low pressure ride along the front stalled near the coast.    $$
   ANZ532-192100-  Chesapeake Bay from Sandy Point to North Beach-  525 AM EDT Wed Aug 19 2026    TODAY  W winds 5 kt. Waves flat.  TONIGHT  SW winds 5 kt. Waves less than 1 ft.  THU  NE winds 5 kt...becoming SE in the afternoon. Waves 1 ft.  Showers likely with a chance of tstms.  THU NIGHT  N winds 5 to 10 kt. Waves 1 ft. Showers likely with a  chance of tstms.  FRI  NE winds 5 to 10 kt. Waves 1 ft. A chance of showers.  FRI NIGHT  SE winds 5 to 10 kt. Waves 1 ft. Showers likely with a  chance of tstms.  SAT  E winds 5 kt. Waves less than 1 ft. A chance of tstms in the  morning. Showers likely. A chance of showers after midnight.  SUN  W winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms  through the night.    Winds and waves higher and visibilities lower in and near tstms.    $$