365
WHUS41 KLWX 201024
CFWLWX

Coastal Hazard Message
National Weather Service Baltimore MD/Washington DC
624 AM EDT Wed Aug 20 2025

VAZ054-201130-
/O.CAN.KLWX.CF.Y.0031.000000T0000Z-250820T1100Z/
Arlington/Falls Church/Alexandria-
624 AM EDT Wed Aug 20 2025

...COASTAL FLOOD ADVISORY IS CANCELLED...

Water levels have fallen short of minor tidal flooding.

$$

MDZ014-201130-
/O.CAN.KLWX.CF.Y.0031.000000T0000Z-250820T1200Z/
Anne Arundel-
624 AM EDT Wed Aug 20 2025

...COASTAL FLOOD ADVISORY IS CANCELLED...

Water levels continue to fall off behind the earlier high tide.

$$

MDZ018-201800-
/O.CON.KLWX.CF.Y.0031.000000T0000Z-250820T1800Z/
Calvert-
624 AM EDT Wed Aug 20 2025

...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 2 PM EDT THIS
AFTERNOON...

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

* WHERE...Shoreline in Calvert County.

* WHEN...Until 2 PM EDT this afternoon, especially around the
  time of high tide.

* IMPACTS...Flooding of lots, parks, and roads with only
  isolated road closures expected.

* ADDITIONAL DETAILS...Tides one to one and a half feet above
  normal. The next high tide at Chesapeake Beach is at 2:12 PM.
  The next high tide at Solomons Island is at 12:23 PM.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

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

Chesapeake Bay at North Beach
MLLW Categories - Minor 3.0 ft, Moderate 4.0 ft, Major 5.0 ft
MHHW Categories - Minor 1.6 ft, Moderate 2.6 ft, Major 3.6 ft

             Total      Total    Departure
 Day/Time    Tide       Tide     from Norm   Waves    Flood
            ft MLLW    ft MHHW       ft       ft      Impact
 --------  ---------  ---------  ---------  -------  --------
 20/02 PM     2.3        0.9        1.0       0.5      None
 21/04 AM     2.9        1.5        1.0       1.0      None
 21/04 PM     2.0        0.6        0.6       0.5      None
 22/05 AM     2.8        1.4        1.0       0.5      None
 22/05 PM     3.1        1.7        1.6       0.5     Minor

Patuxent River at Solomons Island
MLLW Categories - Minor 3.0 ft, Moderate 4.0 ft, Major 5.0 ft
MHHW Categories - Minor 1.5 ft, Moderate 2.5 ft, Major 3.5 ft

             Total      Total    Departure
 Day/Time    Tide       Tide     from Norm   Waves    Flood
            ft MLLW    ft MHHW       ft       ft      Impact
 --------  ---------  ---------  ---------  -------  --------
 20/12 PM     2.6        1.1        1.1       1.0      None
 21/01 AM     2.9        1.4        1.2       1.0      None
 21/12 PM     2.5        1.0        1.0       1.0      None
 22/02 AM     2.7        1.2        1.0       1.0      None
 22/02 PM     3.1        1.6        1.5       1.0     Minor
 23/02 AM     3.4        1.9        1.7       1.0     Minor

&&

$$