NWS Marine Forecast



 Hazardous marine condition(s):
 Marine Weather Statement
 Hazardous Weather Outlook
 Small Craft Advisory
   ANZ500-172300-  457 AM EDT Mon Aug 17 2026      .SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...    A cold front approaching from the upper Ohio River Valley will  cross the region by tonight. High pressure will build in from the  Midwest Tuesday. Another cold front will approach from the west late  Wednesday into Thursday, then linger into Friday.    $$
   ANZ534-172300-  Chesapeake Bay from Drum Point to Smith Point-  457 AM EDT Mon Aug 17 2026    SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT EARLY THIS  MORNING    REST OF THE OVERNIGHT  SW winds 15 kt with gusts to 20 kt. Waves  2 ft. A chance of showers with a slight chance of tstms.  TODAY  W winds 10 to 15 kt...becoming NW 5 to 10 kt in the  afternoon. Waves 1 to 2 ft.  TONIGHT  W winds 5 to 10 kt. Waves 1 ft. A chance of showers and  tstms.  TUE  N winds 5 to 10 kt. Waves 1 ft.  TUE NIGHT  N winds 5 to 10 kt. Waves 1 ft.  WED  W winds 5 kt. Waves less than 1 ft.  WED NIGHT  S winds 5 to 10 kt. Waves 1 ft.  THU  S winds 5 to 10 kt. Waves 1 ft. Showers likely with a chance  of tstms through the night. Showers likely after midnight.  FRI  E winds 5 to 10 kt. Waves 1 ft. A chance of showers in the  morning, then showers likely.    Winds and waves higher and visibilities lower in and near tstms.    $$