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Coastal Flood Warning


Coastal Hazard Message
National Weather Service Baltimore MD/Washington DC
151 PM EDT Tue Aug 19 2025

MDZ014-200300-
/O.NEW.KLWX.CF.W.0003.250820T0300Z-250820T1200Z/
Anne Arundel-
151 PM EDT Tue Aug 19 2025

...COASTAL FLOOD WARNING IN EFFECT FROM 11 PM THIS EVENING TO
8 AM EDT WEDNESDAY...

* WHAT...One to two feet of inundation above ground level
  expected in low lying areas due to tidal flooding.

* WHERE...Shoreline in Anne Arundel County.

* WHEN...From 11 PM this evening to 8 AM EDT Wednesday,
  especially around the time of high tide.

* IMPACTS...At 3.5 feet, water reaches the floor of the Maritime
  Museum in Annapolis, begins to cover Bowyer Road on the Naval
  Academy campus, and numerous businesses on Dock Street are
  flooded, along with the City Dock parking lot. Bayside Beach
  begins to flood around Harbor Rd and Lake Dr.

* ADDITIONAL DETAILS...Tides one and a half to two feet above
  normal. The next high tide at Annapolis U.S. Naval Academy is at
  2:13 PM and 3:55 AM.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take the necessary actions to protect flood-prone property. If
travel is required, do not drive around barricades or through
water of unknown depth.

&&

Time of high total tides are approximate to the nearest hour.

Severn River at Annapolis
MLLW Categories - Minor 2.6 ft, Moderate 3.3 ft, Major 5.0 ft
MHHW Categories - Minor 1.2 ft, Moderate 1.9 ft, Major 3.6 ft

             Total      Total    Departure
 Day/Time    Tide       Tide     from Norm   Waves    Flood
            ft MLLW    ft MHHW       ft       ft      Impact
 --------  ---------  ---------  ---------  -------  --------
 19/03 PM     2.5        1.1        1.4       1.0      None
 20/03 AM     3.6        2.2        1.8       1.0    Moderate
 20/03 PM     2.7        1.3        1.5       1.0     Minor
 21/04 AM     2.9        1.5        1.1       1.0     Minor
 21/04 PM     1.8        0.4        0.5       1.0      None
 22/06 AM     2.6        1.2        0.9       0.5     Minor

&&

$$

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Page last modified: June 2, 2009
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