Coastal Flood Advisory issued May 29 at 10:02PM EDT until May 30 at 2:00AM EDT by NWS

...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 2 AM EDT TUESDAY... * LOCATIONS...WASHINGTON DC WATERFRONT. * TIDAL DEPARTURE...FROM 1 TO 1.25 FEET ABOVE NORMAL. * TIMING...AROUND THE TIME OF HIGH TIDE TONIGHT. THE NEXT HIGH TIDE AT WASHINGTON CHANNEL WILL BE AT 12:17 AM.

from Current Watches, Warnings and Advisories for the United States Issued by the National Weather Service http://ift.tt/2rheMb2