Coastal Flood Warnings/Watches/Statements
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
964
WHUS41 KLWX 181751
CFWLWX
URGENT - IMMEDIATE BROADCAST REQUESTED
Coastal Hazard Message
National Weather Service Baltimore MD/Washington DC
151 PM EDT Sat Oct 18 2025
MDZ014-190200-
/O.NEW.KLWX.CF.W.0008.251019T1800Z-251020T0000Z/
/O.NEW.KLWX.CF.Y.0059.251020T0000Z-251020T1200Z/
/O.EXT.KLWX.CF.Y.0058.000000T0000Z-251019T1800Z/
Anne Arundel-
151 PM EDT Sat Oct 18 2025
...COASTAL FLOOD ADVISORY NOW IN EFFECT UNTIL 2 PM EDT SUNDAY...
...COASTAL FLOOD WARNING IN EFFECT FROM 2 PM TO 8 PM EDT SUNDAY...
...COASTAL FLOOD ADVISORY IN EFFECT FROM 8 PM SUNDAY TO 8 AM EDT
MONDAY...
* WHAT...For the first Coastal Flood Advisory, around one and a
half feet of inundation above ground level in low lying areas
due to tidal flooding. For the Coastal Flood Warning, around two
feet of inundation above ground level expected in low lying
areas due to tidal flooding. For the second Coastal Flood
Advisory, up to one foot of inundation above ground level
expected in low lying areas due to tidal flooding.
* WHERE...Shoreline in Anne Arundel County.
* WHEN...For the first Coastal Flood Advisory, until 2 PM EDT
Sunday, especially around the time of high tide. For the
Coastal Flood Warning, from 2 PM to 8 PM EDT Sunday,
especially around the time of high tide. For the second
Coastal Flood Advisory, from 8 PM Sunday to 8 AM EDT Monday,
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 two to two and a half feet above
normal. The next high tide at Annapolis U.S. Naval Academy is at
4:17 PM and 4:25 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
-------- --------- --------- --------- ------- --------
18/03 PM 3.0 1.6 1.6 1.0 Minor
19/04 AM 3.2 1.8 1.8 1.0 Minor
19/06 PM 3.5 2.1 2.1 2.0 Moderate
20/04 AM 3.3 1.9 2.0 1.0 Moderate
20/04 PM 2.3 0.9 0.9 0.5 None
21/05 AM 1.9 0.5 0.6 0.5 None
&&
$$
MDZ018-190200-
/O.EXB.KLWX.CF.Y.0058.000000T0000Z-251020T0900Z/
Calvert-
151 PM EDT Sat Oct 18 2025
...COASTAL FLOOD ADVISORY IN EFFECT UNTIL 5 AM EDT MONDAY...
* WHAT...Around one and a half feet of inundation above ground
level in low lying areas due to tidal flooding.
* WHERE...Shoreline in Calvert County.
* WHEN...Until 5 AM EDT Monday, 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 1:21 AM and
1:44 PM. The next high tide at Chesapeake Beach is at 2:48 PM
and 3:03 AM.
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
-------- --------- --------- --------- ------- --------
18/03 PM 2.8 1.4 1.2 1.0 None
19/05 AM 3.0 1.6 1.5 1.0 Minor
19/04 PM 3.0 1.6 1.4 1.0 Minor
20/02 AM 2.9 1.5 1.6 1.0 None
20/04 PM 1.8 0.4 0.2 0.5 None
21/05 AM 1.7 0.3 0.3 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
-------- --------- --------- --------- ------- --------
18/01 PM 3.1 1.6 1.5 1.0 Minor
19/01 AM 3.2 1.7 1.6 1.0 Minor
19/01 PM 3.3 1.8 1.7 1.0 Minor
20/01 AM 3.3 1.8 1.8 1.0 Minor
20/02 PM 2.5 1.0 0.9 1.0 None
21/02 AM 2.1 0.6 0.6 1.0 None
&&
$$
MDZ016-VAZ057-190200-
/O.EXB.KLWX.CF.Y.0058.251019T0500Z-251020T0800Z/
Charles-King George-
151 PM EDT Sat Oct 18 2025
...COASTAL FLOOD ADVISORY IN EFFECT FROM 1 AM SUNDAY TO 4 AM EDT
MONDAY...
* WHAT...Around one and a half feet of inundation above ground
level expected in low lying areas due to tidal flooding.
* WHERE...Shoreline in Charles and King George Counties.
* WHEN...From 1 AM Sunday to 4 AM EDT Monday, especially around
the time of high tide.
* IMPACTS...At 3.5 feet, water reaches yards near Cobb Island
and docks near Dahlgren.
* ADDITIONAL DETAILS...Tides one and a half to two feet above
normal. The next high tide at Indian Head is at 6:46 PM and 7:06
AM. The next high tide at Goose Bay is at 2:52 PM and 3:12 AM.
The next high tide at Dahlgren is at 2:06 AM and 2:28 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.
Upper Machodoc Creek at Dahlgren
MLLW Categories - Minor 3.5 ft, Moderate 5.0 ft, Major 7.0 ft
MHHW Categories - Minor 1.6 ft, Moderate 3.1 ft, Major 5.1 ft
Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
18/02 PM 3.5 1.6 1.5 0.5 Minor
19/02 AM 3.5 1.6 1.6 0.5 Minor
19/03 PM 3.7 1.8 1.7 1.0 Minor
20/02 AM 3.5 1.6 1.6 1.0 Minor
20/03 PM 2.6 0.7 0.5 0.5 None
21/03 AM 2.5 0.6 0.6 0.5 None
&&
$$