coastal Flood Warning in effect until 11 PM EDT this evening... Light to occasionally moderate rainfall will continue to push southward across lower southern Maryland and the metropolitan Washington DC area this morning. Through 10 am...the heaviest rainfall will affect Prince Georges and Charles counties. Rainfall amounts around one quarter of an inch will be likely...with locally higher amounts up to half an inch will be possible in the heavier showers.
Forecast for District of Columbia
Updated: 6:00 am EDT on March 15, 2010
Coastal Flood Warning in effect until 11 PM EDT this evening...
Today
Showers likely. Highs in the upper 40s. Northwest winds 10 to 15 mph. Chance of rain 70 percent.
Mostly cloudy. Showers likely...mainly in the evening. Lows around 40. North winds 10 to 15 mph. Chance of rain 60 percent.
Tuesday
Mostly cloudy with a slight chance of showers in the morning...then partly sunny in the afternoon. Highs in the mid 50s. North winds 10 to 15 mph. Chance of rain 20 percent.
... Coastal Flood Warning now in effect until 11 PM EDT this evening...
The coastal Flood Warning is now in effect until 11 PM EDT this evening.
Water levels along the upper tidal Potomac River continue to run 3 to 4 feet above normal... except near Georgetown where departures were in excess of 5 feet above normal. Moderate tidal flooding is expected to continue through high tide this evening.
The crest of fresh water flooding will come down the Potomac River around midday today. Since this crest will between the morning and evening high tides... a prolonged period of high water is expected. Look for water levels near Georgetown to continue to be between 10 ft and 11 ft through this evening.
For Washington DC... a water level of 10 feet at Wisconsin Avenue will cause water to approach k street in Georgetown near Washington Harbour. At 10.5 feet... water approaches Independence Avenue at 17th street and the George Washington Memorial Parkway at the Railroad bridge north of Reagan National Airport. At a water level of 12 feet... the parking lot at the foot of Wisconsin Avenue floods.
For Alexandria... tidal flooding will continue to impact the Waterfront... including the 100 block of King Street... Union street below Cameron street... and Prince street.
Here are the times of the next high tides for a few locations along the Potomac River...
Key bridge... 9:11 am and 9:33 PM Alexandria... 9:04 am and 9:26 PM... Indian Head... 8:32 am and 8:54 PM... Goose Bay... 4:38 am and 5:00 PM... Coltons Point... 3:28 am and 3:50 PM...