Washington Channel at SW Waterfront (IN MLLW)

The past week

What floods at each level

• 15 ft

  Floodwaters approach the Pentagon East parking area, especially during a freshwater flood. Most of the Reagan National Airport runways are flooded. In a tidal flood, water covers portions of the economy parking at Reagan National Airport, and approaches nearby structures. Water approaches Arnold Avenue at Joint Base Anacostia Bolling. A tidal flood at this height could cause even more widespread flooding of the Base. Most of Fort McNair is flooded.

• 12 ft

  Widespread flooding is occurring. Only a few high spots remain dry in East Potomac Park, and around the tidal basin. Floodwaters on Fort McNair go all the way up 5th Avenue. Near the Navy Yard, floodwaters cover past M Street SE. Some runways and taxiways at Reagan National Airport are partially flooded.

• 11 ft

  Floodwaters reach both ends of the north-south runway at Reagan National Airport, and covers some taxiways. The George Washington Parkway is flooded in multiple locations between Arlington National Cemetery and the Airport. Floodwaters approach the back side of a business on the north side of Maine Avenue near I-395. Also, widespread flooding is occurring on the Anacostia, with water on the Navy Yard up to M Street SE.

• 10 ft

  Water approaches the southern end of the runways at Reagan National Airport. This is more likely to occur in a tidal flood at this level. Almost all of East Potomac Park is flooded, along with the western half of the Navy Yard. 5th Avenue SW is flooded up to C Street on Fort McNair. Floodwaters threaten the basement of the Jefferson Memorial.

• 9 ft

  Most of East Potomac Park is flooded, including some buildings. Water approaches the World War II Memorial on 17th Street NW. Moderate flooding is occurring on the Anacostia River with roads and buildings impacted. Water approaches the FDR Memorial. Substantial inundation of a portion of the Navy Yard begins, and water approaches taxiways at Reagan National Airport. Maine Avenue begins to flood near the 14th Street bridge.

• 8.4 ft

  Floodwaters cover Ohio Drive on the Potomac side at the railroad bridge.

• 7.5 ft

  Water approaches portions of the George Washington Memorial Parkway near the 14th Street bridge.

• 7 ft

  Water reaches the parking area of the East Potomac Golf Course. In a freshwater flood, water is overflowing the tidal basin at Independence and 17th, and on East Basin Drive near the Jefferson Memorial.

• 6.5 ft

  A significant portion of East Potomac Park is flooded, including parts of the Hains Point Loop Road. The road will be closed. The western end of the DC seafood market on the Southwest Waterfront is flooded. A portion of the Navy Yard begins to flood as minor inundation begins along the Anacostia River.

• 5.3 ft

  The unprotected area on the Southwest Waterfront at the DC seafood market begins to flood. Water approaches parts of the Hains Point Loop Road, but the road will likely be closed.

• 4.2 ft

  Lowland flooding is occurring along sporadic portions of the seawall adjacent to Ohio Drive and the Hains Point Loop Road.

• 3.7 ft

  Water begins to overflow the lowest spots along the seawall adjacent to Ohio Drive and the Hains Point Loop Road.

Highest crests on record

Flood map

See which streets and areas flood at each water level here. Open the flood map ↗

More on Washington Channel