Coastal Flood Warnings/Watches/Statements
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
511
WHUS41 KLWX 261850
CFWLWX
URGENT - IMMEDIATE BROADCAST REQUESTED
Coastal Hazard Message
National Weather Service Baltimore MD/Washington DC
250 PM EDT Sat Sep 26 2026
MDZ017-270300-
/O.NEW.KLWX.CF.W.0003.260927T0300Z-260927T2200Z/
/O.EXT.KLWX.CF.Y.0044.000000T0000Z-260927T0300Z/
St. Marys-
250 PM EDT Sat Sep 26 2026
...COASTAL FLOOD ADVISORY NOW IN EFFECT UNTIL 11 PM EDT THIS
EVENING...
...COASTAL FLOOD WARNING IN EFFECT FROM 11 PM THIS EVENING TO
6 PM EDT SUNDAY...
* WHAT...For the Coastal Flood Advisory, up to two feet of
inundation above ground level in low lying areas due to tidal
flooding. For the Coastal Flood Warning, up to two and a half
feet of inundation above ground level expected in low lying
areas due to tidal flooding.
* WHERE...Shoreline in St. Marys County.
* WHEN...For the Coastal Flood Advisory, until 11 PM EDT this
evening, especially around the time of high tide. For the
Coastal Flood Warning, from 11 PM this evening to 6 PM EDT
Sunday, especially around the time of high tide.
* IMPACTS...At 3.5 feet, water covers roads on Saint George
Island, is in yards, and is approaching structures. To the
east, inundation is occurring at multiple marinas off St.
Mary`s River, Smith Creek, and Jutland Creek.
* ADDITIONAL DETAILS...Tides two and a half to three feet above
normal. The next high tide at Piney Point is at 3:07 AM and 3:19
PM. The next high tide at Coltons Point is at 3:19 PM and 3:43
AM. The next high tide at Point Lookout is at 1:55 AM and 2:36
PM.
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.
St Marys River at Straits Point
MLLW Categories - Minor 3.0 ft, Moderate 3.5 ft, Major 5.0 ft
MHHW Categories - Minor 1.4 ft, Moderate 1.9 ft, Major 3.4 ft
Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
26/03 PM 3.7 2.1 2.0 2.0 Minor
27/02 AM 4.0 2.4 2.4 1.0 Moderate
27/02 PM 4.1 2.5 2.4 2.0 Moderate
28/03 AM 3.5 1.9 1.9 1.0 Minor
28/02 PM 3.2 1.6 1.7 1.0 None
29/03 AM 2.8 1.2 1.3 1.0 None
&&
$$
MDZ014-270300-
/O.NEW.KLWX.CF.Y.0046.260927T0600Z-260927T1500Z/
/O.NEW.KLWX.CF.A.0004.260927T1700Z-260928T0300Z/
Anne Arundel-
250 PM EDT Sat Sep 26 2026
...COASTAL FLOOD ADVISORY IN EFFECT FROM 2 AM TO 11 AM EDT
SUNDAY...
...COASTAL FLOOD WATCH IN EFFECT FROM SUNDAY AFTERNOON THROUGH
SUNDAY EVENING...
* WHAT...For the Coastal Flood Advisory, up to one and a half feet
of inundation above ground level expected in low lying areas due
to tidal flooding. For the Coastal Flood Watch, up to two feet
of inundation above ground level possible in low lying areas due
to tidal flooding.
* WHERE...Shoreline in Anne Arundel County.
* WHEN...For the Coastal Flood Advisory, from 2 AM to 11 AM EDT
Sunday, especially around the time of high tide. For the
Coastal Flood Watch, from Sunday afternoon through Sunday
evening, 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
5:57 PM and 5:50 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.
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
-------- --------- --------- --------- ------- --------
26/05 PM 2.3 0.9 0.8 0.5 None
27/06 AM 3.1 1.7 1.6 0.5 Minor
27/06 PM 3.5 2.1 1.9 0.5 Moderate
28/06 AM 2.9 1.5 1.4 0.5 Minor
28/06 PM 2.6 1.2 1.0 0.5 Minor
29/07 AM 2.0 0.6 0.6 0.5 None
&&
$$
VAZ054-270300-
/O.EXB.KLWX.CF.Y.0044.260926T2300Z-260928T1500Z/
Arlington/Falls Church/Alexandria-
250 PM EDT Sat Sep 26 2026
...COASTAL FLOOD ADVISORY IN EFFECT FROM 7 PM THIS EVENING TO
11 AM EDT MONDAY...
* WHAT...Up to one foot of inundation above ground level expected
in low lying areas due to tidal flooding.
* WHERE...Shoreline in the City of Alexandria and Arlington
County.
* WHEN...From 7 PM this evening to 11 AM EDT Monday, especially
around the time of high tide.
* IMPACTS...Water is expected to come up through storm drains,
approaching businesses on Dock Street in Annapolis. Water is
expected to approach the Maritime Museum and begin to cover
Bowyer Road at the Naval Academy. Shoreline inundation up to one
foot above ground is likely in other low lying areas..
* ADDITIONAL DETAILS...Tides one and a half to two feet above
normal. The next high tide at Alexandria is at 8:55 PM and 9:19
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.
&&
$$
MDZ018-270300-
/O.CON.KLWX.CF.Y.0044.000000T0000Z-260928T0900Z/
Calvert-
250 PM EDT Sat Sep 26 2026
...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 5 AM EDT
MONDAY...
* 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 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 3.5 feet, yards are flooded near Charles Street and
Williams Street in Solomons. Nearby parking lots and the
streets themselves are covered by more than a half foot of
water.
* ADDITIONAL DETAILS...Tides two to two and a half feet above
normal. The next high tide at Solomons Island is at 2:52 AM and
3:16 PM. The next high tide at Chesapeake Beach is at 4:34 PM
and 4:36 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
-------- --------- --------- --------- ------- --------
26/06 PM 2.5 1.1 0.8 0.5 None
27/07 AM 3.2 1.8 1.6 0.5 Minor
27/07 PM 3.4 2.0 1.6 0.5 Minor
28/06 AM 2.8 1.4 1.2 0.5 None
28/07 PM 2.5 1.1 0.7 0.5 None
29/07 AM 2.1 0.7 0.6 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
-------- --------- --------- --------- ------- --------
26/03 PM 3.0 1.5 1.3 2.0 Minor
27/02 AM 3.3 1.8 1.6 1.0 Minor
27/02 PM 3.7 2.2 2.0 1.0 Minor
28/02 AM 3.3 1.8 1.7 1.0 Minor
28/03 PM 2.9 1.4 1.2 1.0 None
29/04 AM 2.3 0.8 0.6 1.0 None
&&
$$
MDZ016-VAZ057-270300-
/O.CON.KLWX.CF.Y.0044.000000T0000Z-260928T1200Z/
Charles-King George-
250 PM EDT Sat Sep 26 2026
...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT
MONDAY...
* WHAT...Up to two and a half feet of inundation above ground
level in low lying areas due to tidal flooding.
* WHERE...Shoreline in Charles and King George Counties.
* WHEN...Until 8 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 two to two and a half feet above
normal. The next high tide at Indian Head is at 8:23 PM and 8:47
AM. The next high tide at Goose Bay is at 4:29 PM and 4:53 AM.
The next high tide at Dahlgren is at 3:17 PM and 3:35 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.
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
-------- --------- --------- --------- ------- --------
26/04 PM 3.6 1.7 1.5 0.5 Minor
27/03 AM 4.0 2.1 1.9 0.5 Minor
27/03 PM 4.2 2.3 2.1 0.5 Minor
28/03 AM 3.9 2.0 2.0 0.5 Minor
28/04 PM 3.4 1.5 1.2 0.5 None
29/05 AM 2.9 1.0 0.8 0.5 None
&&
$$