NWS Marine Forecast



 Hazardous marine condition(s):
 Small Craft Advisory
   ANZ500-202300-  457 AM EDT Sun Sep 20 2026      .SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...    A warm front will lift northward through the area today, before a  cold front moves through tonight. A strong area of high pressure  will build to our north tomorrow and remain in place through much of  the week, leading to a prolonged period of onshore flow. Small  Craft Advisories will likely be needed for much of the Monday  through Thursday time period, and a few low-end Gale gusts can't be  ruled out on Tuesday or Wednesday.    $$
   ANZ539-202300-  Chester River to Queenstown MD-  457 AM EDT Sun Sep 20 2026    SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM EDT THIS AFTERNOON    REST OF THE OVERNIGHT  SE winds 15 kt with gusts to 20 kt. Waves  1 ft.  TODAY  S winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.  Scattered showers.  TONIGHT  SW winds 5 to 10 kt...becoming N after midnight. Waves  1 ft. Showers likely with a chance of tstms.  MON  NE winds 10 kt. Waves 1 to 2 ft.  MON NIGHT  NE winds 10 to 15 kt with gusts to 20 kt. Waves 1 to  2 ft. Showers likely.  TUE  NE winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft. Showers  likely.  TUE NIGHT  NE winds 15 to 20 kt with gusts to 25 kt. Waves 2 to  3 ft. A chance of showers.  WED  NE winds 20 to 25 kt. Waves 2 to 3 ft. A chance of showers.  THU  NE winds 15 to 20 kt. Waves 2 to 3 ft. A chance of showers.    Winds and waves higher and visibilities lower in and near tstms.    $$