050
WHUS41 KLWX 260718
CFWLWX

Coastal Hazard Message
National Weather Service Baltimore MD/Washington DC
318 AM EDT Sat Sep 26 2026

MDZ018-260830-
/O.CAN.KLWX.CF.Y.0044.000000T0000Z-260926T1100Z/
Calvert-
318 AM EDT Sat Sep 26 2026

...COASTAL FLOOD ADVISORY IS CANCELLED...

High tide fell below minor flood thresholds this morning.

$$

MDZ016-VAZ057-261530-
/O.CON.KLWX.CF.Y.0044.000000T0000Z-260928T1200Z/
Charles-King George-
318 AM EDT Sat Sep 26 2026

...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT
MONDAY...

* WHAT...Up to one foot 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 one and a half to two feet above
  normal. The next high tides at Goose Bay are 4:15 AM and 4:29
  PM. The next high tides at Dahlgren are 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 AM     3.4        1.5        1.4       0.5      None
 26/03 PM     3.6        1.7        1.4       0.5     Minor
 27/03 AM     3.8        1.9        1.7       0.5     Minor
 27/04 PM     4.0        2.1        1.7       0.5     Minor
 28/04 AM     3.6        1.7        1.5       0.5     Minor
 28/04 PM     3.3        1.4        1.1       0.5      None

&&

$$

MDZ017-261530-
/O.CON.KLWX.CF.Y.0044.000000T0000Z-260927T2100Z/
St. Marys-
318 AM EDT Sat Sep 26 2026

...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 5 PM EDT
SUNDAY...

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

* WHERE...Shoreline in St. Marys County.

* WHEN...Until 5 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 one and a half to two feet above
  normal. The next high tides at Point Lookout are 1:53 PM and
  1:55 AM. The next high tides at Piney Point are 2:43 PM and 3:07
  AM. The next high tides at Coltons Point are 3:19 PM and 3:43 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.

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     3.5        1.9        1.8       1.0     Minor
 27/03 AM     3.7        2.1        2.0       1.0     Minor
 27/03 PM     3.8        2.2        2.0       2.0     Minor
 28/04 AM     3.4        1.8        1.7       1.0      None
 28/04 PM     3.0        1.4        1.2       1.0      None

&&

$$