Coastal Flood Warnings/Watches/Statements
Issued by NWS Wilmington, NC
Issued by NWS Wilmington, NC
717
WHUS42 KILM 211003
CFWILM
Coastal Hazard Message
National Weather Service Wilmington NC
603 AM EDT Thu Aug 21 2025
NCZ110-220000-
/O.EXP.KILM.RP.S.0018.000000T0000Z-250821T1000Z/
/O.NEW.KILM.CF.Y.0051.250821T2100Z-250822T0100Z/
/O.CON.KILM.SU.Y.0007.000000T0000Z-250822T0300Z/
Coastal Brunswick-
603 AM EDT Thu Aug 21 2025
...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 11 PM EDT THIS
EVENING...
...COASTAL FLOOD ADVISORY IN EFFECT FROM 5 PM THIS AFTERNOON TO
9 PM EDT THIS EVENING...
...HIGH RIP CURRENT RISK HAS EXPIRED...
* WHAT...For the High Surf Advisory, large breaking waves up to 6
feet in the surf zone. For the Coastal Flood Advisory, up to
one foot of inundation above ground level expected in low- lying
areas near shorelines and tidal waterways.
* WHERE...Coastal Brunswick County.
* WHEN...For the High Surf Advisory, until 11 PM EDT this
evening. For the Coastal Flood Advisory, from 5 PM this
afternoon to 9 PM EDT this evening.
* IMPACTS...Low-lying roads and locations along the Intracoastal
Waterway and adjacent tidal creeks may observe minor coastal
flooding. Check with local officials for any road closures or
impacts. Dangerous swimming and surfing conditions and
localized beach erosion.
* ADDITIONAL DETAILS...Affected areas listed are based on
average tide conditions. Additional locations may experience
flooding during periods of heavy rainfall, high winds, or
other factors.
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.
Inexperienced swimmers should remain out of the water due to
dangerous surf conditions.
&&
Time of high total tides are approximate to the nearest hour.
Mercer Pier at Wrightsville Beach
MLLW Categories - Minor 6.0 ft, Moderate 8.0 ft, Major 10.0 ft
MHHW Categories - Minor 1.5 ft, Moderate 3.5 ft, Major 5.5 ft
Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
21/06 AM 5.3 0.8 1.2 4 None
21/07 PM 6.6 2.1 1.5 3 Minor
22/07 AM 5.8 1.3 1.4 3 None
22/07 PM 6.3 1.8 1.3 3 Minor
23/08 AM 5.9 1.4 1.3 3 None
23/08 PM 6.1 1.6 1.1 3 Minor
&&
$$
NCZ106-108-220000-
/O.NEW.KILM.CF.Y.0051.250821T2100Z-250822T0100Z/
/O.CON.KILM.SU.Y.0007.000000T0000Z-250822T0300Z/
/O.CON.KILM.RP.S.0018.000000T0000Z-250822T0000Z/
Coastal Pender-Coastal New Hanover-
603 AM EDT Thu Aug 21 2025
...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 11 PM EDT THIS
EVENING...
...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH THIS EVENING...
...COASTAL FLOOD ADVISORY IN EFFECT FROM 5 PM THIS AFTERNOON TO
9 PM EDT THIS EVENING...
* WHAT...For the High Surf Advisory, large breaking waves up to 8
feet in the surf zone. For the High Rip Current Risk, dangerous
rip currents. For the Coastal Flood Advisory, up to one foot of
inundation above ground level expected in low- lying areas near
shorelines and tidal waterways.
* WHERE...Coastal Pender and Coastal New Hanover Counties.
* WHEN...For the High Surf Advisory, until 11 PM EDT this
evening. For the High Rip Current Risk, through this evening.
For the Coastal Flood Advisory, from 5 PM this afternoon to 9
PM EDT this evening.
* IMPACTS...Low-lying roads and locations along the Intracoastal
Waterway and adjacent tidal creeks may observe minor coastal
flooding. Check with local officials for any road closures or
impacts. Dangerous swimming and surfing conditions and
localized beach erosion. Rip currents can sweep even the best
swimmers away from shore into deeper water.
* ADDITIONAL DETAILS...Affected areas listed are based on
average tide conditions. Additional locations may experience
flooding during periods of heavy rainfall, high winds, or
other factors.
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.
Inexperienced swimmers should remain out of the water due to
dangerous surf conditions.
Swim near a lifeguard. If caught in a rip current, relax and
float. Don`t swim against the current. If able, swim in a
direction following the shoreline. If unable to escape, face the
shore and call or wave for help.
&&
Time of high total tides are approximate to the nearest hour.
Mercer Pier at Wrightsville Beach
MLLW Categories - Minor 6.0 ft, Moderate 8.0 ft, Major 10.0 ft
MHHW Categories - Minor 1.5 ft, Moderate 3.5 ft, Major 5.5 ft
Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
21/06 AM 5.3 0.8 1.2 4 None
21/07 PM 6.6 2.1 1.5 3 Minor
22/07 AM 5.8 1.3 1.4 3 None
22/07 PM 6.3 1.8 1.3 3 Minor
23/08 AM 5.9 1.4 1.3 3 None
23/08 PM 6.1 1.6 1.1 3 Minor
&&
$$
SCZ054-056-220000-
/O.NEW.KILM.CF.Y.0051.250821T2100Z-250822T0100Z/
/O.CON.KILM.SU.Y.0007.000000T0000Z-250822T0300Z/
/O.CON.KILM.RP.S.0018.000000T0000Z-250822T0000Z/
Coastal Horry-Coastal Georgetown-
603 AM EDT Thu Aug 21 2025
...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 11 PM EDT THIS
EVENING...
...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH THIS EVENING...
...COASTAL FLOOD ADVISORY IN EFFECT FROM 5 PM THIS AFTERNOON TO
9 PM EDT THIS EVENING...
* WHAT...For the High Surf Advisory, large breaking waves up to 6
feet in the surf zone. For the High Rip Current Risk, dangerous
rip currents. For the Coastal Flood Advisory, up to one half
foot of inundation above ground level expected in low- lying
areas near shorelines and tidal waterways.
* WHERE...Coastal Horry and Coastal Georgetown Counties.
* WHEN...For the High Surf Advisory, until 11 PM EDT this
evening. For the High Rip Current Risk, through this evening.
For the Coastal Flood Advisory, from 5 PM this afternoon to 9
PM EDT this evening.
* IMPACTS...Vulnerable causeways to and from local beaches may
experience minor coastal flooding. Low-lying roads and
locations along the Intracoastal Waterway and adjacent tidal
creeks may observe minor coastal flooding. Check with local
officials for the latest information regarding coastal flood
impacts and closures. Dangerous swimming and surfing
conditions and localized beach erosion. Rip currents can sweep
even the best swimmers away from shore into deeper water.
* ADDITIONAL DETAILS...Affected areas listed are based on
average tide conditions. Additional locations may experience
flooding during periods of heavy rainfall, high winds, or
other factors.
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.
Inexperienced swimmers should remain out of the water due to
dangerous surf conditions.
Swim near a lifeguard. If caught in a rip current, relax and
float. Don`t swim against the current. If able, swim in a
direction following the shoreline. If unable to escape, face the
shore and call or wave for help.
&&
Time of high total tides are approximate to the nearest hour.
Springmaid Pier at Myrtle Beach
MLLW Categories - Minor 7.0 ft, Moderate 8.5 ft, Major 10.5 ft
MHHW Categories - Minor 1.4 ft, Moderate 2.9 ft, Major 4.9 ft
Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
21/07 AM 6.4 0.8 1.4 2 None
21/07 PM 7.4 1.8 1.3 2 Minor
22/07 AM 6.5 0.9 1.3 2 None
22/08 PM 7.3 1.7 1.3 2 Minor
23/08 AM 6.8 1.2 1.4 2 None
23/08 PM 7.2 1.6 1.3 2 Minor
&&
$$
NCZ107-211500-
/O.CON.KILM.CF.Y.0050.250821T1100Z-250821T1500Z/
Inland New Hanover-
603 AM EDT Thu Aug 21 2025
...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 11 AM EDT THIS
MORNING...
* WHAT...Up to one half foot of inundation above ground level
expected in low-lying areas near shorelines and tidal
waterways.
* WHERE...The lower Cape Fear River including downtown
Wilmington.
* WHEN...Until 11 AM EDT this morning.
* IMPACTS...The lowest portions of USS North Carolina Road and
Battleship Road begin to observe minor coastal flooding. Water
begins to spread out of storm drains onto Water Street just
south of Market Street in downtown Wilmington.
* ADDITIONAL DETAILS...Affected areas listed are based on
average tide conditions. Additional locations may experience
flooding during periods of heavy rainfall, high winds, or
other factors.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If travel is required, allow extra time as some roads may be
closed. Do not drive around barricades or through water of
unknown depth. Take the necessary actions to protect flood-prone
property.
&&
Time of high total tides are approximate to the nearest hour.
Cape Fear River at Wilmington
MLLW Categories - Minor 5.5 ft, Moderate 6.8 ft, Major 10.0 ft
MHHW Categories - Minor 0.8 ft, Moderate 2.1 ft, Major 5.3 ft
Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
21/09 AM 5.6 0.9 1.2 N/A Minor
21/09 PM 6.6 1.9 1.5 N/A Minor
22/10 AM 6.2 1.5 1.7 N/A Minor
22/10 PM 6.7 2.0 1.6 N/A Minor
23/10 AM 6.2 1.5 1.6 N/A Minor
23/11 PM 6.6 1.9 1.6 N/A Minor
&&
$$
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