One product issued by NWS for:
Coastal Flood Advisory
Coastal Hazard Message
National Weather Service Baltimore MD/Washington DC
1011 PM EDT Wed Oct 21 2026
MDZ018-221015-
/O.CON.KLWX.CF.Y.0056.000000T0000Z-261022T1800Z/
Calvert-
1011 PM EDT Wed Oct 21 2026
...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 2 PM EDT
THURSDAY...
* WHAT...Up to two feet of inundation above ground level in low
lying areas due to tidal flooding.
* WHERE...Shoreline in Calvert County.
* WHEN...Until 2 PM EDT Thursday, especially around the time of
high tide.
* IMPACTS...At 3.0 feet, water is expected to reach backyards
near 9th Street in North Beach, and could approach 9th Street.
At 3.0 feet, parking lots near Charles Street in Solomons
begin to flood, with several inches of water covering low-
lying portions of Charles Street and Williams Street.
* ADDITIONAL DETAILS...Tides one and a half to two feet above
normal. The next high tide at Solomons Island is at 11:31 PM and
11:53 AM. The next high tide at Chesapeake Beach is at 1:14 AM
and 1:52 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
-------- --------- --------- --------- ------- --------
22/03 AM 3.2 1.8 1.7 0.5 Minor
22/01 PM 3.0 1.6 1.6 0.5 Minor
23/03 AM 3.0 1.6 1.5 0.5 Minor
23/04 PM 2.8 1.4 1.2 0.5 None
24/04 AM 2.7 1.3 1.2 0.5 None
24/04 PM 2.7 1.3 1.1 0.5 None
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
-------- --------- --------- --------- ------- --------
21/11 PM 3.1 1.6 1.6 1.0 Minor
22/11 AM 3.2 1.7 1.8 1.0 Minor
23/12 AM 3.3 1.8 1.8 1.0 Minor
23/01 PM 3.1 1.6 1.5 1.0 Minor
24/01 AM 3.1 1.6 1.6 1.0 Minor
24/12 PM 3.0 1.5 1.5 1.0 Minor
&&
$$