...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 9 AM EDT SUNDAY...

* WHAT...Up to one foot of inundation above ground level expected in low lying areas due to tidal flooding.

* WHERE...Shoreline in the District of Columbia, Arlington County, and the City of Alexandria.

* WHEN...Until 9 AM EDT Sunday, especially around the time of high tide.

* IMPACTS...Shoreline inundation is expected along portions of the seawall adjacent to Ohio Drive and the Hains Point Loop Road and near the Tidal Basin. Water is expected to approach the curb near the intersection of King Street and Strand Street in Alexandria.

* ADDITIONAL DETAILS...Tides one and a half to two feet above normal. The next high tides at Alexandria are 6:02 PM and 6:27 AM. The next high tides at Washington Channel are 5:44 PM and 6:09 AM.

If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property.