NWS Marine Forecast


   ANZ500-190800-  1036 PM EDT Fri Jul 18 2025      .SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...    A front stalls across the area today, then returns north as a warm  front on Saturday. A stronger cold front moves through the area  Sunday night. Canadian high pressure builds to the north into early  next week. Daily shower and thunderstorm chances continue through  the weekend, with any stronger thunderstorm posing a risk to  mariners. Small Craft Advisories may be needed Sunday night into  Monday morning.    $$
   ANZ533-190800-  Chesapeake Bay from North Beach to Drum Point-  1036 PM EDT Fri Jul 18 2025    REST OF TONIGHT  SW winds 5 kt. Waves flat. A chance of showers  and tstms late this evening, then showers likely with a chance of  tstms. Vsby 1 NM or less late this evening.  SAT  S winds 5 kt. Waves less than 1 ft. Showers likely with a  chance of tstms. Patchy fog. Vsby 1 NM or less.  SAT NIGHT  S winds 5 kt. Waves less than 1 ft. Showers likely with  a chance of tstms. Vsby 1 NM or less.  SUN  W winds 5 kt. Waves less than 1 ft. A chance of showers.  SUN NIGHT  NW winds 5 to 10 kt. Waves 1 ft.  MON  N winds 5 to 10 kt. Waves 1 ft.  MON NIGHT  NE winds 5 kt. Waves less than 1 ft.  TUE  E winds 5 to 10 kt...becoming SE after midnight. Waves 1 ft.  WED  S winds 5 to 10 kt. Waves 1 to 2 ft.    Winds and waves higher and visibilities lower in and near tstms.    $$