Coastal Flood Warning
Coastal Hazard Message
National Weather Service Newport/Morehead City NC
737 PM EDT Wed Aug 20 2025
NCZ199-211145-
/O.EXT.KMHX.BH.S.0053.000000T0000Z-250822T0000Z/
/O.CON.KMHX.CF.W.0001.000000T0000Z-250822T0000Z/
/O.CON.KMHX.SU.Y.0006.000000T0000Z-250822T0000Z/
Coastal Onslow-
737 PM EDT Wed Aug 20 2025
...BEACH HAZARDS STATEMENT NOW IN EFFECT THROUGH THURSDAY
EVENING...
...COASTAL FLOOD WARNING REMAINS IN EFFECT UNTIL 8 PM EDT
THURSDAY...
...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THURSDAY...
* WHAT...For the Coastal Flood Warning, 2 to 3 feet of
inundation above ground level, with locally higher amounts
possible, expected in low-lying areas near shorelines and
tidal waterways. For the Beach Hazards Statement, dangerous
rip currents in the surf zone. For the High Surf Advisory,
large breaking waves of 6 to 12 feet expected in the surf zone.
* WHERE...Oceanside coastal Onslow County.
* WHEN...For the Beach Hazards Statement, through Thursday
evening. For the Coastal Flood Warning, until 8 PM EDT
Thursday. For the High Surf Advisory, until 8 PM EDT Thursday.
* IMPACTS...Numerous roads may be closed. Low lying property
including homes, businesses, and some critical infrastructure
will be inundated. Shoreline erosion will occur. Dangerous
swimming and surfing conditions with significant beach erosion.
* ADDITIONAL DETAILS...This is expected to be a prolonged
duration event, with the potential for roads along the
immediate coast to be impassable at times, especially around
times of high tide. The area of greatest concern for oceanside
impacts is North Topsail Beach.
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.
Inexperienced swimmers should remain out of the water due to
dangerous surf conditions.
Life-threatening rip currents. If caught in a rip current, remain
calm. Swim in a direction following the shoreline. If tired,
float or tread water until out of the rip current. If unable to
escape, face the shore and call or wave for help.
&&
$$
Coastal Hazard Message
National Weather Service Newport/Morehead City NC
737 PM EDT Wed Aug 20 2025
NCZ195-211145-
/O.EXT.KMHX.BH.S.0053.000000T0000Z-250822T0000Z/
/O.CON.KMHX.CF.W.0001.000000T0000Z-250822T0000Z/
/O.CON.KMHX.SU.Y.0006.000000T0000Z-250822T0000Z/
West Carteret-
737 PM EDT Wed Aug 20 2025
...BEACH HAZARDS STATEMENT NOW IN EFFECT THROUGH THURSDAY
EVENING...
...COASTAL FLOOD WARNING REMAINS IN EFFECT UNTIL 8 PM EDT
THURSDAY...
...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THURSDAY...
* WHAT...For the Coastal Flood Warning, 1 to 3 of inundation
above ground level in low-lying areas near shorelines and
tidal waterways. For the High Surf Advisory, large breaking
waves of 6 to 12 feet in the surf zone. For the Beach Hazards
Statement, dangerous rip currents.
* WHERE...Oceanside west Carteret County.
* WHEN...For the Beach Hazards Statement, through Thursday
evening. For the Coastal Flood Warning, until 8 PM EDT
Thursday. For the High Surf Advisory, until 8 PM EDT Thursday.
* IMPACTS...Up to 1 to 3 feet of inundation above ground level is
possible in low-lying areas near shorelines and tidal waterways
resulting in a low threat of property damage. Some roads and low
lying property including parking lots, parks, lawns, and homes
adjacent to the waterfront will experience shallow flooding.
Dangerous swimming and surfing conditions with significant beach
erosion expected.
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.
Inexperienced swimmers should remain out of the water due to
dangerous surf conditions.
Life-threatening rip currents. If caught in a rip current, remain
calm. Swim in a direction following the shoreline. If tired,
float or tread water until out of the rip current. If unable to
escape, face the shore and call or wave for help.
&&
Time of high total tides are approximate to the nearest hour.
Beaufort Marine Lab NC
MLLW Categories - Minor 5.0 ft, Moderate 5.5 ft, Major 6.5 ft
MHHW Categories - Minor -0.8 ft, Moderate -0.3 ft, Major 0.7 ft
Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
20/07 PM 5.3 -0.5 1.4 1 Minor
21/07 AM 4.5 -1.3 1.3 1 None
21/08 PM 5.7 -0.1 1.8 1 Moderate
22/07 AM 5.2 -0.6 2.0 1 Minor
22/08 PM 5.4 -0.4 1.5 1 Minor
23/08 AM 4.9 -0.9 1.5 1 None
&&
$$
