Coastal Flood Advisory issued July 31 at 4:41AM EDT until July 31 at 7:00AM EDT by NWS

...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 7 AM EDT THIS MORNING... * LOCATION...SHORELINE IN DISTRICT OF COLUMBIA AND ARLINGTON COUNTY AND THE CITY OF ALEXANDRIA. * TIDAL DEPARTURE...AROUND 1.5 FEET ABOVE NORMAL. * TIMING...ONGOING THROUGH THE EARLY MORNING.

from Current Watches, Warnings and Advisories for the United States Issued by the National Weather Service http://ift.tt/2hfWVO4