Coastal Flood Advisory
Statement as of 9:24 PM EDT on September 20, 2017


... Coastal flood advisory now in effect until noon EDT Thursday...

* locations... shoreline in the District of Columbia and
Arlington County and the city of Alexandria.

* Tidal departure... around 1 to 1.5 feet above normal.

* Timing... around high tide through Thursday morning. High tide at
Washington Channel is at 9:29 am and high tide at Alexandria is
at 9:47 PM.

* Impacts... shoreline inundation is expected along portions of
the seawall adjacent to Ohio drive and the Hains Point loop
Road. Water is expected to approach the curb near the
intersection of King Street and strand street in Alexandria.
Minor shoreline inundation is possible elsewhere.

Precautionary/preparedness actions...

A coastal flood advisory indicates that onshore winds and tides
will combine to generate flooding of low areas along the shore.






Forecast as of 3:39 PM EDT on September 20, 2017

Wednesday
Clear. Lows overnight in the upper 60s.
Wednesday Night
Clear skies. Low 68F. Winds NNW at 5 to 10 mph.
Thursday
Sunny, along with a few afternoon clouds. High 87F. Winds N at 5 to 10 mph.
Thursday Night
A few clouds from time to time. Low 69F. Winds NNW at 5 to 10 mph.
Friday
Sunshine and clouds mixed. High around 85F. Winds N at 5 to 10 mph.
Friday Night
Partly cloudy. Low 64F. Winds N at 5 to 10 mph.
Saturday
Sunny. High around 85F. Winds N at 5 to 10 mph.
Saturday Night
A mostly clear sky. Low near 65F. Winds N at 5 to 10 mph.
Sunday
A mainly sunny sky. High 88F. Winds NNE at 5 to 10 mph.
Sunday Night
A mostly clear sky. Low 69F. Winds NNE at 5 to 10 mph.
Monday
Except for a few afternoon clouds, mainly sunny. High near 85F. Winds NE at 5 to 10 mph.
Monday Night
Partly cloudy. Low around 70F. Winds NE at 5 to 10 mph.
Tuesday
Partly cloudy. High 83F. Winds N at 10 to 15 mph.
Tuesday Night
Partly cloudy skies. Low 69F. Winds N at 5 to 10 mph.
Wednesday
Mostly cloudy skies. High 82F. Winds N at 10 to 20 mph.
Wednesday Night
Partly cloudy skies. Low 68F. Winds N at 10 to 15 mph.
Thursday
Partly cloudy skies. High near 80F. Winds NNW at 10 to 15 mph.
Thursday Night
Partly cloudy in the evening. Increasing clouds with periods of showers after midnight. Low 61F. Winds NW at 10 to 15 mph. Chance of rain 50%.
Friday
Rain showers early with some sunshine later in the day. High 73F. Winds NW at 5 to 10 mph. Chance of rain 50%.
Friday Night
A few clouds. Low 57F. Winds NNW at 5 to 10 mph.
Saturday
Intervals of clouds and sunshine. High near 70F. Winds N at 5 to 10 mph.
Saturday Night
Partly cloudy skies early followed by increasing clouds with showers developing later at night. Low around 55F. Winds N at 5 to 10 mph. Chance of rain 40%.
Updated: 8:52 PM EDT on September 20, 2017
Observed at Washington, District of Columbia
Temperature 78°F
Humidity 62%
Dew Point 64°F
Wind North at 7 mph
Pressure 29.96 in (Rising)
Conditions Partly Cloudy
Visibility 10.0 miles
Clouds (FEW) : 15000 ft
(FEW) : 25000 ft
Yesterday's Maximum 84°F
Yesterday's Minimum 68°F
Normal high 78°F
Normal low 61°F
Record high 94°F (1895)
Record low 41°F (1916)
Yesterday's Heating Degree Days 0
Yesterday's Cooling Degree Days 11
Sunrise06:54 AM (EDT)
Sunset07:07 PM (EDT)
Moon Rise07:08 AM (EDT)
Moon Set07:41 PM (EDT)
Moon PhaseNew Moon
New Moon

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