Alert archive / North Carolina / High Surf Advisories in 2017

High Surf Advisory 2, NWS Wilmington, NC

September 23, 2017Brunswick County, New Hanover County, Pender County, North Carolina; Georgetown County, Horry County, South Carolina

NWS Wilmington, NC issued this high surf advisory at Sep 23, 2017, 2:11 PM EDT for Brunswick County, New Hanover County, Pender County, North Carolina; Georgetown County, Horry County, South Carolina. It took effect at Sep 24, 2017, 6:00 AM EDT. It was in force for 34 hr.

The area

The counties it named.

The facts

Issued
Sep 23, 2017, 2:11 PM EDT (18:11 UTC)
In effect from
Sep 24, 2017, 6:00 AM EDT
Expired
Sep 25, 2017, 4:20 PM EDT
In force
34 hr
Issued by
NWS Wilmington, NC

Counties Brunswick County, NC, New Hanover County, NC, Pender County, NC, Georgetown County, SC, Horry County, SC

The radar

The Wilmington radar (KLTX), 3 km from the middle of the area, began a volume at 18:12 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Newport, NC (KMHX), launched 12:00Z, 6.2 hours before the alert went out and 168 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Newport, NC at 12:00Z on 2017-09-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Newport, NC at 12:00Z on 2017-09-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -8 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
3 J/kg
Mixed-layer CIN
-42 J/kg
Mixed-layer LCL
1141 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
-8 m²/s²
0-3 km storm-relative helicity
-12 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

460 
WHUS42 KILM 231811
CFWILM

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE WILMINGTON NC
211 PM EDT SAT SEP 23 2017

NCZ107-231915-
/O.EXP.KILM.CF.Y.0039.000000T0000Z-170923T1800Z/
INLAND NEW HANOVER-
211 PM EDT SAT SEP 23 2017

...COASTAL FLOOD ADVISORY HAS EXPIRED...

THE TIDE HAS LOWERED AND THE ADVISORY HAS BEEN ALLOWED TO EXPIRE AT
DOWNTOWN WILMINGTON AND THE BATTLESHIP AREA. AN ADDITIONAL COASTAL
FLOOD ADVISORY MAY BE NEEDED WITH HIGH TIDE SUNDAY IN THE EARLY
AFTERNOON.

$$

NCZ106-108-110-SCZ054-056-240215-
/O.NEW.KILM.SU.Y.0002.170924T1000Z-170926T0000Z/
/O.CON.KILM.RP.S.0008.000000T0000Z-170924T0000Z/
COASTAL PENDER-COASTAL NEW HANOVER-COASTAL BRUNSWICK-COASTAL HORRY-
COASTAL GEORGETOWN-
211 PM EDT SAT SEP 23 2017

...HIGH RIP CURRENT RISK REMAINS IN EFFECT UNTIL 8 PM EDT THIS
EVENING...
...HIGH SURF ADVISORY IN EFFECT FROM 6 AM SUNDAY TO 8 PM EDT
MONDAY...

THE NATIONAL WEATHER SERVICE IN WILMINGTON HAS ISSUED A HIGH SURF
ADVISORY...WHICH IS IN EFFECT FROM 6 AM SUNDAY TO 8 PM EDT MONDAY.

* LOCATION...ALL AREA BEACHES.

* RIP CURRENT RISK...HIGH.

* SURF HEIGHT...AT THE PENDER AND NEW HANOVER BEACHES BREAKERS WILL
  BE 6 TO 9 FEET. AT THE BEACHES FROM BRUNSWICK COUNTY SOUTH TO HORRY
  AND GEORGETOWN COUNTIES THE SURF WILL BE 5 TO 8 FEET.

* TIMING...STRONG RIP CURRENTS CAN OCCUR AT ANY TIME BUT WILL BE
  ESPECIALLY STRONG A FEW HOURS EITHER SIDE OF LOW TIDE. BREAKERS
  WILL INCREASE SUNDAY BUT ARE EXPECTED TO BE HIGHEST MONDAY.

* IMPACTS...POWERFUL WAVES AND RIP CURRENTS WHICH COULD RESULT IN 
  INJURIES TO ANYONE WHO ENTERS THE SURF.

* OTHER HAZARDS...BEACH EROSION AND OCEAN OVER-WASH ESPECIALLY DURING
  EACH HIGH TIDE THROUGH MONDAY

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THERE IS A HIGH RISK OF RIP CURRENTS. LIFE THREATENING RIP CURRENTS
ARE LIKELY IN THE SURF ZONE.

RIP CURRENTS ARE POWERFUL CHANNELS OF WATER FLOWING QUICKLY AWAY
FROM SHORE, WHICH OCCUR MOST OFTEN AT LOW SPOTS OR BREAKS IN THE
SANDBAR AND IN THE VICINITY OF STRUCTURES SUCH AS GROINS, JETTIES
AND PIERS. HEED THE ADVICE OF LIFEGUARDS, AND PAY ATTENTION TO BEACH
PATROL FLAGS AND SIGNS.

A HIGH SURF ADVISORY MEANS THAT HIGH SURF WILL AFFECT BEACHES IN THE
ADVISORY AREA...PRODUCING LOCALIZED BEACH EROSION AND DANGEROUS
SWIMMING CONDITIONS.

&&

$$

29
8 follow-up statements
762 
WHUS42 KILM 232350
CFWILM

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE WILMINGTON NC
750 PM EDT SAT SEP 23 2017

NCZ106-108-110-SCZ054-056-241200-
/O.EXT.KILM.RP.S.0008.000000T0000Z-170925T0700Z/
/O.CON.KILM.SU.Y.0002.170924T1000Z-170926T0000Z/
COASTAL PENDER-COASTAL NEW HANOVER-COASTAL BRUNSWICK-COASTAL HORRY-
COASTAL GEORGETOWN-
750 PM EDT SAT SEP 23 2017

...HIGH RIP CURRENT RISK IN EFFECT THROUGH SUNDAY EVENING... 
...HIGH SURF ADVISORY REMAINS IN EFFECT FROM 6 AM SUNDAY TO 8 PM EDT
MONDAY...

* LOCATION...ALL AREA BEACHES.

* RIP CURRENT RISK...HIGH.

* SURF HEIGHT...AT THE PENDER AND NEW HANOVER BEACHES BREAKERS WILL 
  BE 6 TO 9 FEET. AT THE BEACHES FROM BRUNSWICK COUNTY SOUTH TO 
  HORRY AND GEORGETOWN COUNTIES THE SURF WILL BE 5 TO 8 FEET.

* TIMING...STRONG RIP CURRENTS CAN OCCUR AT ANY TIME BUT WILL BE 
  ESPECIALLY STRONG A FEW HOURS EITHER SIDE OF LOW TIDE. BREAKERS 
  WILL INCREASE SUNDAY BUT ARE EXPECTED TO BE HIGHEST MONDAY.

* IMPACTS...POWERFUL WAVES AND RIP CURRENTS WHICH COULD RESULT IN 
  INJURIES TO ANYONE WHO ENTERS THE SURF.

* OTHER HAZARDS...BEACH EROSION AND OCEAN OVER-WASH ESPECIALLY 
  DURING EACH HIGH TIDE THROUGH MONDAY

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THERE IS A HIGH RISK OF RIP CURRENTS. LIFE THREATENING RIP CURRENTS
ARE LIKELY IN THE SURF ZONE.

RIP CURRENTS ARE POWERFUL CHANNELS OF WATER FLOWING QUICKLY AWAY
FROM SHORE, WHICH OCCUR MOST OFTEN AT LOW SPOTS OR BREAKS IN THE
SANDBAR AND IN THE VICINITY OF STRUCTURES SUCH AS GROINS, JETTIES
AND PIERS. HEED THE ADVICE OF LIFEGUARDS, AND PAY ATTENTION TO BEACH
PATROL FLAGS AND SIGNS.

A HIGH SURF ADVISORY MEANS THAT HIGH SURF WILL AFFECT BEACHES IN THE
ADVISORY AREA...PRODUCING LOCALIZED BEACH EROSION AND DANGEROUS
SWIMMING CONDITIONS.

&&

$$

04
521 
WHUS42 KILM 240912
CFWILM

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE WILMINGTON NC
512 AM EDT SUN SEP 24 2017


NCZ106-108-110-SCZ054-056-250000-
/O.EXT.KILM.RP.S.0008.000000T0000Z-170925T0600Z/
/O.CON.KILM.SU.Y.0002.170924T1000Z-170926T0000Z/
COASTAL PENDER-COASTAL NEW HANOVER-COASTAL BRUNSWICK-COASTAL HORRY-
COASTAL GEORGETOWN-
512 AM EDT SUN SEP 24 2017

...HIGH RIP CURRENT RISK NOW IN EFFECT THROUGH LATE TONIGHT...
...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT MONDAY...

* LOCATION...ALL AREA BEACHES.

* RIP CURRENT RISK...HIGH.

* SURF HEIGHT...AT THE PENDER AND NEW HANOVER BEACHES BREAKERS WILL 
  BE 6 TO 9 FEET. AT THE BEACHES FROM BRUNSWICK COUNTY SOUTH TO 
  HORRY AND GEORGETOWN COUNTIES THE SURF WILL BE 5 TO 8 FEET.

* TIMING...STRONG RIP CURRENTS CAN OCCUR AT ANY TIME BUT WILL BE
  ESPECIALLY STRONG A FEW HOURS EITHER SIDE OF LOW TIDE. LOW TIDE
  WILL OCCUR AROUND 5:00 PM TO 5:30 PM. BREAKERS WILL INCREASE TODAY
  BUT ARE EXPECTED TO BE HIGHEST MONDAY.

* IMPACTS...POWERFUL WAVES AND RIP CURRENTS WHICH COULD RESULT IN 
  INJURIES TO ANYONE WHO ENTERS THE SURF.

* OTHER HAZARDS...BEACH EROSION AND OCEAN OVER-WASH ESPECIALLY 
  DURING EACH HIGH TIDE THROUGH MONDAY

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THERE IS A HIGH RISK OF RIP CURRENTS. LIFE THREATENING RIP CURRENTS
ARE LIKELY IN THE SURF ZONE.

RIP CURRENTS ARE POWERFUL CHANNELS OF WATER FLOWING QUICKLY AWAY
FROM SHORE, WHICH OCCUR MOST OFTEN AT LOW SPOTS OR BREAKS IN THE
SANDBAR AND IN THE VICINITY OF STRUCTURES SUCH AS GROINS, JETTIES
AND PIERS. HEED THE ADVICE OF LIFEGUARDS, AND PAY ATTENTION TO BEACH
PATROL FLAGS AND SIGNS.

A HIGH SURF ADVISORY MEANS THAT HIGH SURF WILL AFFECT BEACHES IN THE
ADVISORY AREA...PRODUCING LOCALIZED BEACH EROSION AND DANGEROUS
SWIMMING CONDITIONS.

&&

$$

47
835 
WHUS42 KILM 241811
CFWILM

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE WILMINGTON NC
211 PM EDT SUN SEP 24 2017

NCZ106-108-110-SCZ054-056-250400-
/O.EXT.KILM.SU.Y.0002.000000T0000Z-170927T0000Z/
/O.CON.KILM.RP.S.0008.000000T0000Z-170925T0600Z/
COASTAL PENDER-COASTAL NEW HANOVER-COASTAL BRUNSWICK-COASTAL HORRY-
COASTAL GEORGETOWN-
211 PM EDT SUN SEP 24 2017

...HIGH SURF ADVISORY NOW IN EFFECT UNTIL 8 PM EDT TUESDAY...
...HIGH RIP CURRENT RISK REMAINS IN EFFECT UNTIL 2 AM EDT MONDAY...

* LOCATION...ALL AREA BEACHES.

* RIP CURRENT RISK...HIGH.

* SURF HEIGHT...AT THE PENDER AND NEW HANOVER BEACHES BREAKERS WILL 
  BE 6 TO 9 FEET. AT THE BEACHES FROM BRUNSWICK COUNTY SOUTH TO 
  HORRY AND GEORGETOWN COUNTIES THE SURF WILL BE 5 TO 8 FEET.

* TIMING...STRONG RIP CURRENTS CAN OCCUR AT ANY TIME BUT WILL BE
  ESPECIALLY STRONG A FEW HOURS EITHER SIDE OF LOW TIDE. LOW TIDE
  WILL OCCUR EARLY THIS EVENING. BREAKERS WILL INCREASE TODAY BUT ARE
  EXPECTED TO BE HIGHEST MONDAY. 

* IMPACTS...POWERFUL WAVES AND RIP CURRENTS WHICH COULD RESULT IN 
  INJURIES TO ANYONE WHO ENTERS THE SURF.

* OTHER HAZARDS...BEACH EROSION AND OCEAN OVER-WASH ESPECIALLY 
  DURING EACH HIGH TIDE THROUGH MONDAY

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THERE IS A HIGH RISK OF RIP CURRENTS. LIFE THREATENING RIP CURRENTS
ARE LIKELY IN THE SURF ZONE.

RIP CURRENTS ARE POWERFUL CHANNELS OF WATER FLOWING QUICKLY AWAY
FROM SHORE, WHICH OCCUR MOST OFTEN AT LOW SPOTS OR BREAKS IN THE
SANDBAR AND IN THE VICINITY OF STRUCTURES SUCH AS GROINS, JETTIES
AND PIERS. HEED THE ADVICE OF LIFEGUARDS, AND PAY ATTENTION TO BEACH
PATROL FLAGS AND SIGNS.

A HIGH SURF ADVISORY MEANS THAT HIGH SURF WILL AFFECT BEACHES IN THE
ADVISORY AREA...PRODUCING LOCALIZED BEACH EROSION AND DANGEROUS
SWIMMING CONDITIONS.

&&

$$

29
096 
WHUS42 KILM 242126
CFWILM

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE WILMINGTON NC
526 PM EDT SUN SEP 24 2017

NCZ106-108-110-SCZ054-056-251200-
/O.EXT.KILM.SU.Y.0002.000000T0000Z-170927T0100Z/
/O.EXT.KILM.RP.S.0008.000000T0000Z-170927T0100Z/
COASTAL PENDER-COASTAL NEW HANOVER-COASTAL BRUNSWICK-COASTAL HORRY-
COASTAL GEORGETOWN-
526 PM EDT SUN SEP 24 2017

...HIGH SURF ADVISORY NOW IN EFFECT THROUGH TUESDAY EVENING...
...HIGH RIP CURRENT RISK NOW IN EFFECT THROUGH TUESDAY EVENING...

* LOCATION...ALL AREA BEACHES.

* RIP CURRENT RISK...HIGH.

* SURF HEIGHT...AT THE PENDER AND NEW HANOVER BEACHES BREAKERS WILL 
  BE 6 TO 9 FEET. AT THE BEACHES FROM BRUNSWICK COUNTY SOUTH TO 
  HORRY AND GEORGETOWN COUNTIES THE SURF WILL BE 5 TO 8 FEET.

* TIMING...STRONG RIP CURRENTS CAN OCCUR AT ANY TIME BUT WILL BE
  ESPECIALLY STRONG A FEW HOURS EITHER SIDE OF LOW TIDE. LOW TIDE
  WILL OCCUR EARLY MONDAY MORNING AND AGAIN MONDAY EVENING. BREAKERS
  ARE EXPECTED TO BE HIGHEST MONDAY.

* IMPACTS...POWERFUL WAVES AND RIP CURRENTS COULD RESULT IN INJURIES
  TO ANYONE WHO ENTERS THE SURF.

* OTHER HAZARDS...BEACH EROSION AND OCEAN OVER-WASH ESPECIALLY DURING
  EACH HIGH TIDE THROUGH MONDAY. A STRONG LONGSHORE CURRENT IS
  EXPECTED AS WELL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THERE IS A HIGH RISK OF RIP CURRENTS. LIFE THREATENING RIP CURRENTS
ARE LIKELY IN THE SURF ZONE.

RIP CURRENTS ARE POWERFUL CHANNELS OF WATER FLOWING QUICKLY AWAY
FROM SHORE, WHICH OCCUR MOST OFTEN AT LOW SPOTS OR BREAKS IN THE
SANDBAR AND IN THE VICINITY OF STRUCTURES SUCH AS GROINS, JETTIES
AND PIERS. HEED THE ADVICE OF LIFEGUARDS, AND PAY ATTENTION TO BEACH
PATROL FLAGS AND SIGNS.

A HIGH SURF ADVISORY MEANS THAT HIGH SURF WILL AFFECT BEACHES IN THE
ADVISORY AREA...PRODUCING LOCALIZED BEACH EROSION AND DANGEROUS
SWIMMING CONDITIONS.

&&

$$

04
409 
WHUS42 KILM 250915
CFWILM

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE WILMINGTON NC
515 AM EDT MON SEP 25 2017



NCZ106-108-110-SCZ054-056-260100-
/O.CON.KILM.SU.Y.0002.000000T0000Z-170927T0100Z/
/O.CON.KILM.RP.S.0008.000000T0000Z-170927T0100Z/
COASTAL PENDER-COASTAL NEW HANOVER-COASTAL BRUNSWICK-COASTAL HORRY-
COASTAL GEORGETOWN-
515 AM EDT MON SEP 25 2017

...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 9 PM EDT TUESDAY...
...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH TUESDAY EVENING...

* LOCATION...ALL AREA BEACHES.

* RIP CURRENT RISK...HIGH.

* SURF HEIGHT...AT THE PENDER AND NEW HANOVER BEACHES BREAKERS WILL 
  BE 6 TO 9 FEET. AT THE BEACHES FROM BRUNSWICK COUNTY SOUTH TO 
  HORRY AND GEORGETOWN COUNTIES THE SURF WILL BE 5 TO 8 FEET.

* TIMING...STRONG RIP CURRENTS CAN OCCUR AT ANY TIME BUT WILL BE
  ESPECIALLY STRONG SEVERAL HOURS EITHER SIDE OF LOW TIDE WHICH WILL
  OCCUR AROUND 6:00 PM.

* IMPACTS...POWERFUL WAVES AND RIP CURRENTS COULD RESULT IN 
  INJURIES TO ANYONE WHO ENTERS THE SURF.

* OTHER HAZARDS...BEACH EROSION AND OCEAN OVER-WASH ESPECIALLY DURING
  EACH HIGH TIDE. MODERATE TO STRONG LONGSHORE CURRENTS ARE EXPECTED
  AS WELL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THERE IS A HIGH RISK OF RIP CURRENTS. LIFE THREATENING RIP CURRENTS
ARE LIKELY IN THE SURF ZONE.

RIP CURRENTS ARE POWERFUL CHANNELS OF WATER FLOWING QUICKLY AWAY
FROM SHORE, WHICH OCCUR MOST OFTEN AT LOW SPOTS OR BREAKS IN THE
SANDBAR AND IN THE VICINITY OF STRUCTURES SUCH AS GROINS, JETTIES
AND PIERS. HEED THE ADVICE OF LIFEGUARDS, AND PAY ATTENTION TO BEACH
PATROL FLAGS AND SIGNS.

A HIGH SURF ADVISORY MEANS THAT HIGH SURF WILL AFFECT BEACHES IN THE
ADVISORY AREA...PRODUCING LOCALIZED BEACH EROSION AND DANGEROUS
SWIMMING CONDITIONS.

&&

$$

47
292 
WHUS42 KILM 251638
CFWILM

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE WILMINGTON NC
1238 PM EDT MON SEP 25 2017



NCZ107-251900-
/O.NEW.KILM.CF.Y.0040.170925T1700Z-170925T1900Z/
INLAND NEW HANOVER-
1238 PM EDT MON SEP 25 2017

...COASTAL FLOOD ADVISORY IN EFFECT UNTIL 3 PM EDT THIS AFTERNOON...

THE NATIONAL WEATHER SERVICE IN WILMINGTON HAS ISSUED A COASTAL
FLOOD ADVISORY...WHICH IS IN EFFECT UNTIL 3 PM EDT THIS AFTERNOON.

* LOCATION...THE LOWER CAPE FEAR RIVER INCLUDING DOWNTOWN WILMINGTON
  AND THE BATTLESHIP PARK.

* COASTAL FLOODING...THE DOWNTOWN WILMINGTON RIVER GAUGE WILL CREST
  WITH HIGH TIDE NEAR 5.7 FEET ABOVE MEAN LOWER LOW WATER.

* TIMING...MINOR COASTAL FLOODING IS EXPECTED FOR A COUPLE HOURS
  AROUND HIGH TIDE EARLY THIS AFTERNOON.

* IMPACTS...ABOUT A HALF OF FOOT WATER WILL COVER PORTIONS OF 
  U.S.S. NORTH CAROLINA ROAD, BATTLESHIP DRIVE, AND PORTIONS OF 
  WATER STREET NEAR THE INTERSECTION WITH MARKET STREET.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A COASTAL FLOOD ADVISORY INDICATES THAT ONSHORE WINDS AND TIDES WILL
COMBINE TO GENERATE FLOODING OF LOW AREAS ALONG THE SHORE.

&&

$$

NCZ106-108-110-SCZ054-056-260045-
/O.CON.KILM.SU.Y.0002.000000T0000Z-170927T0100Z/
/O.CON.KILM.RP.S.0008.000000T0000Z-170927T0100Z/
COASTAL PENDER-COASTAL NEW HANOVER-COASTAL BRUNSWICK-COASTAL HORRY-
COASTAL GEORGETOWN-
1238 PM EDT MON SEP 25 2017

...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 9 PM EDT TUESDAY...
...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH TUESDAY EVENING...

* LOCATION...ALL AREA BEACHES.

* RIP CURRENT RISK...HIGH.

* SURF HEIGHT...AT THE PENDER AND NEW HANOVER BEACHES BREAKERS WILL 
  BE 6 TO 9 FEET. AT THE BEACHES FROM BRUNSWICK COUNTY SOUTH TO 
  HORRY AND GEORGETOWN COUNTIES THE SURF WILL BE 5 TO 8 FEET.

* TIMING...STRONG RIP CURRENTS CAN OCCUR AT ANY TIME BUT WILL BE 
  ESPECIALLY STRONG SEVERAL HOURS EITHER SIDE OF LOW TIDE WHICH 
  WILL OCCUR AROUND 6:00 PM.

* IMPACTS...POWERFUL WAVES AND RIP CURRENTS COULD RESULT IN 
  INJURIES TO ANYONE WHO ENTERS THE SURF.

* OTHER HAZARDS...BEACH EROSION AND OCEAN OVER-WASH ESPECIALLY 
  DURING EACH HIGH TIDE. MODERATE TO STRONG LONGSHORE CURRENTS ARE 
  EXPECTED AS WELL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THERE IS A HIGH RISK OF RIP CURRENTS. LIFE THREATENING RIP CURRENTS
ARE LIKELY IN THE SURF ZONE.

RIP CURRENTS ARE POWERFUL CHANNELS OF WATER FLOWING QUICKLY AWAY
FROM SHORE, WHICH OCCUR MOST OFTEN AT LOW SPOTS OR BREAKS IN THE
SANDBAR AND IN THE VICINITY OF STRUCTURES SUCH AS GROINS, JETTIES
AND PIERS. HEED THE ADVICE OF LIFEGUARDS, AND PAY ATTENTION TO BEACH
PATROL FLAGS AND SIGNS.

A HIGH SURF ADVISORY MEANS THAT HIGH SURF WILL AFFECT BEACHES IN THE
ADVISORY AREA...PRODUCING LOCALIZED BEACH EROSION AND DANGEROUS
SWIMMING CONDITIONS.

&&

$$
283 
WHUS42 KILM 251851
CFWILM

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE WILMINGTON NC
251 PM EDT MON SEP 25 2017



NCZ107-252000-
/O.EXP.KILM.CF.Y.0040.000000T0000Z-170925T1900Z/
INLAND NEW HANOVER-
251 PM EDT MON SEP 25 2017

...COASTAL FLOOD ADVISORY WILL EXPIRE AT 3 PM EDT THIS AFTERNOON...



$$

NCZ106-108-110-SCZ054-056-260300-
/O.CON.KILM.SU.Y.0002.000000T0000Z-170927T0100Z/
/O.CON.KILM.RP.S.0008.000000T0000Z-170927T0100Z/
COASTAL PENDER-COASTAL NEW HANOVER-COASTAL BRUNSWICK-COASTAL HORRY-
COASTAL GEORGETOWN-
251 PM EDT MON SEP 25 2017

...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 9 PM EDT TUESDAY...
...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH TUESDAY EVENING...

* LOCATION...ALL AREA BEACHES.

* RIP CURRENT RISK...HIGH.

* SURF HEIGHT...AT THE PENDER AND NEW HANOVER BEACHES BREAKERS WILL 
  BE 6 TO 9 FEET. AT THE BEACHES FROM BRUNSWICK COUNTY SOUTH TO 
  HORRY AND GEORGETOWN COUNTIES THE SURF WILL BE 5 TO 8 FEET.

* TIMING...STRONG RIP CURRENTS CAN OCCUR AT ANY TIME BUT WILL BE 
  ESPECIALLY STRONG SEVERAL HOURS EITHER SIDE OF LOW TIDE WHICH 
  WILL OCCUR AROUND 6:00 PM.

* IMPACTS...POWERFUL WAVES AND RIP CURRENTS COULD RESULT IN 
  INJURIES TO ANYONE WHO ENTERS THE SURF.

* OTHER HAZARDS...BEACH EROSION AND OCEAN OVER-WASH ESPECIALLY 
  DURING EACH HIGH TIDE. MODERATE TO STRONG LONGSHORE CURRENTS ARE 
  EXPECTED AS WELL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THERE IS A HIGH RISK OF RIP CURRENTS. LIFE THREATENING RIP CURRENTS
ARE LIKELY IN THE SURF ZONE.

RIP CURRENTS ARE POWERFUL CHANNELS OF WATER FLOWING QUICKLY AWAY
FROM SHORE, WHICH OCCUR MOST OFTEN AT LOW SPOTS OR BREAKS IN THE
SANDBAR AND IN THE VICINITY OF STRUCTURES SUCH AS GROINS, JETTIES
AND PIERS. HEED THE ADVICE OF LIFEGUARDS, AND PAY ATTENTION TO BEACH
PATROL FLAGS AND SIGNS.

A HIGH SURF ADVISORY MEANS THAT HIGH SURF WILL AFFECT BEACHES IN THE
ADVISORY AREA...PRODUCING LOCALIZED BEACH EROSION AND DANGEROUS
SWIMMING CONDITIONS.

&&

$$
490 
WHUS42 KILM 252020
CFWILM

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE WILMINGTON NC
420 PM EDT MON SEP 25 2017

NCZ106-108-110-SCZ054-056-260430-
/O.CAN.KILM.SU.Y.0002.000000T0000Z-170927T0100Z/
/O.CON.KILM.RP.S.0008.000000T0000Z-170927T0100Z/
COASTAL PENDER-COASTAL NEW HANOVER-COASTAL BRUNSWICK-COASTAL HORRY-
COASTAL GEORGETOWN-
420 PM EDT MON SEP 25 2017

...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH TUESDAY EVENING...
...HIGH SURF ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN WILMINGTON HAS CANCELLED THE HIGH
SURF ADVISORY.

* LOCATION...ALL AREA BEACHES.

* RIP CURRENT RISK...HIGH.

* SURF HEIGHT...4 TO 6 FEET AT THE PENDER AND NEW HANOVER BEACHES AND
  AROUND 4 FEET AT THE BEACHES FROM BRUNSWICK COUNTY SOUTH TO GEORGETOWN
  COUNTY ON TUESDAY.

* OTHER HAZARDS...MODERATE TO STRONG LONGSHORE CURRENT AT PENDER AND
  NEW HANOVER COUNTY BEACHES ON TUESDAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

RIP CURRENTS ARE POWERFUL CHANNELS OF WATER FLOWING QUICKLY AWAY
FROM SHORE, WHICH OCCUR MOST OFTEN AT LOW SPOTS OR BREAKS IN THE
SANDBAR AND IN THE VICINITY OF STRUCTURES SUCH AS GROINS, JETTIES
AND PIERS. HEED THE ADVICE OF LIFEGUARDS, AND PAY ATTENTION TO BEACH
PATROL FLAGS AND SIGNS.

THERE IS A HIGH RISK OF RIP CURRENTS. LIFE THREATENING RIP CURRENTS
ARE LIKELY IN THE SURF ZONE.

RIP CURRENTS ARE POWERFUL CHANNELS OF WATER FLOWING QUICKLY AWAY
FROM SHORE, WHICH OCCUR MOST OFTEN AT LOW SPOTS OR BREAKS IN THE
SANDBAR AND IN THE VICINITY OF STRUCTURES SUCH AS GROINS, JETTIES
AND PIERS. HEED THE ADVICE OF LIFEGUARDS, BEACH PATROL FLAGS AND
SIGNS.

IF YOU BECOME CAUGHT IN A RIP CURRENT, YELL FOR HELP. REMAIN CALM,
DO NOT EXHAUST YOURSELF AND STAY AFLOAT WHILE WAITING FOR HELP. IF
YOU HAVE TO SWIM OUT OF A RIP CURRENT, SWIM PARALLEL TO SHORE AND
BACK TOWARD THE BEACH WHEN POSSIBLE. DO NOT ATTEMPT TO SWIM DIRECTLY
AGAINST A RIP CURRENT AS YOU WILL TIRE QUICKLY. 

&&

$$

04

What forecasters said that day

The local office's own words before this high surf advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Wilmington, NC wrote its last area forecast discussion before this high surf advisory went out at Sep 23, 10:32 AM EDT, 3 hours 39 minutes earlier.

Area forecast discussion, Sep 23, 10:32 AM EDT, 3 hours 39 minutes before
Area Forecast Discussion
National Weather Service Wilmington NC
1032 AM EDT Sat Sep 23 2017

.SYNOPSIS...
High pressure over the Great Lakes region will maintain warm and dry
weather over the Carolinas through the weekend. Hurricane Maria is
expected to move northward a couple of hundred miles east of the
Carolina coast Monday through Wednesday. Hazardous boating
conditions, strong rip currents, and large surf are all expected to
develop. A cold front may reach the area Friday, bringing cooler
weather for late next week.

&&

.NEAR TERM /THROUGH TONIGHT/...
As of 1030 AM Saturday...A Coastal Flood Advisory is now in effect
for a few hours in the downtown Wilmington and battleship area for
minor impacts associated with high tide early this afternoon. The
next high tide is not projected to have as large a tidal range, but
thresholds could be met again with tomorrow's high tide in the early
afternoon.

Previous discussion...Fog/stratus along the coastal counties will
continue to erode with strong insolation today. Low pressure remains
off the Jersey shore while a ridge of high pressure from the Great
Lakes will dominate the area weather today with a rather dry column
expected to be in place through tonight. At H5 heights will continue
to slowly increase as some bridging occurs between the ridge NE of
Maria and the large subtropical ridge extending the Plains, MS
Valley, Great Lakes, and into New England. This pattern will keep
the unsettled weather primarily far south/southwest of this part of
the Carolinas. No major changes were made to the current forecast.
The threat for strong rip currents will continue as swells from
Maria impact the surf zone.

&&

.SHORT TERM /SUNDAY THROUGH MONDAY NIGHT/...
As of 300 AM Saturday...Closed 500 mb high pressure centered
over Pennsylvania on Sunday will bridge across to the Bermuda
High on Monday. This "bridging" process is occurring earlier
and more strongly than models were thinking several days ago,
and this has led to a westward trend in the predicted path of
Hurricane Maria as it moves northward. Where over the past
several days the storm was expected to follow 70 or 71 degrees
longitude as it passed by the Carolina coast, we're now thinking
73 or perhaps even 74 degrees longitude is more likely.

The 500 mb ridge to our north will help sustain a subsidence
inversion between 4000-6000 feet AGL Sunday that will lower to
3000-4000 feet on Monday. The stable and dry air aloft will help
to keep weather conditions dry across the area both days,
although it's possible a few shallow maritime showers could
push onshore into the Cape Fear area by Monday night,
particularly if Maria moves as far west as some of the latest
models are suggesting. Early morning low stratus is also a good
possibility in this pattern.

Despite two days of northeast flow 850 mb temps shouldn't fall
appreciably from where we've been over the past few days,
remaining in the +15C to +17C range. Our forecast highs range
from 83-86 near the coast to 86-88 both days. Overnight lows
generally 65-70, warmest at the beaches.

&&

.LONG TERM /TUESDAY THROUGH FRIDAY/...
As of 300 PM Friday...Hurricane Maria will be slowly making its
way north well off the coast of the Carolinas through the first
half of the week. Expected impacts will be dangerous surf and
an elevated rip current risk from long period (15 sec) swells.
This swell energy will translate into breaking waves as high as
10 to 15 feet along the beaches of New Hanover and Pender
counties, and 6 to 10 feet along the beaches of Brunswick, Horry
and Georgetown counties into Wednesday. The swell energy should
begin to ease late Wednesday, but dangerous surf and an
elevated rip current risk will likely continue into Friday.

Northeast to north winds will be breezy along the coast, and
gust occasionally into the 20-30 mph range by Tuesday-
Wednesday. It will be a tough call at this point to determine
how much peripheral moisture from Maria will affect the area,
however it is reasonable to expect for the ILM CWA, that SE NC
will have the best chance for precipitation based on the current
forecast track of Maria. The highest PoPs, which will still
remain less than 30% at this time, will be Tuesday into
Wednesday, before the cyclone gets picked up by the westerlies
on Thursday as indicated by both the GFS and ECMWF.

Upper level ridging and subsidence west of the hurricane will
likely result in a sharp sky cover gradient and temperatures
remaining a few degrees above normal through the week.

&&

.AVIATION /11Z SATURDAY THROUGH WEDNESDAY/...
As of 11Z...Fairly widespread low stratus and fog blankets the
area this morning, particularly inland from the coast. This
moisture is quite thin and should burn off quickly, with VFR
conditions developing around 13Z. The remainder of the day
should feature excellent aviation weather with mainly clear
skies and light northeast winds. Deep vertical mixing should
develop some shallow cumulus clouds with bases around 4000 feet
by noon, rising to 5000 feet later this afternoon. Clear skies
and light winds overnight may develop a little fog again late
tonight, but coverage should be much less than we are currently
experiencing.

Extended Outlook...Mainly VFR conditions through the period with
the exception of possible MVFR/IFR conditions due to low clouds
and fog each morning, mainly between 08z-12z.

&&

.MARINE...
NEAR TERM /THROUGH TONIGHT/...
As of 300 AM Saturday...A N-NE fetch is in place as high pressure
ridges southward across the coastal waters with speeds around 10
knots. Meanwhile, swells from Maria will continue to affect the
waters with seas in the 4-6 ft range. Although the dominant wave
period is 12-13 seconds the swells combined with the current
during times with a falling tide will create steep wave and
hazardous wave conditions in/near inlet entrances. Small Craft
Advisory will remain in place through the period.

SHORT TERM /SUNDAY THROUGH MONDAY NIGHT/...
As of 915 AM Saturday...1021 mb high pressure over the eastern
Great Lakes on Sunday will move off the New England coast by
Monday. Models have shifted farther west over the 24 hours with
Hurricane Maria's track, now expected to move northward along
73 or 74 degrees west longitude next week. That's a good 100
miles closer to the North Carolina coast than our thoughts were
this time last night, and could bring more of the peripheral
winds from Maria's west side to the area. Gusts as early as
Sunday could reach 25 knots, and a Small Craft Advisory has been
extended out through Wednesday for increasing northeasterly
winds and for very large wave heights, particularly north and
east of Cape Fear where combined seas as large as 12 feet could
start showing up within 20 miles of the beaches by Sunday
evening.

LONG TERM /TUESDAY THROUGH WEDNESDAY/...
As of 300 PM Friday...Based on the latest forecast track for
Maria, northerly winds will peak Tuesday night into Wednesday,
with 20 to 25 knots north of Cape Fear. South of Cape Fear, a 15
to 20 knot range can be expected. Expect Small Craft Advisory
conditions through the entire period.

&&

.ILM WATCHES/WARNINGS/ADVISORIES...
SC...High Rip Current Risk until 8 PM this evening for SCZ054-056.
NC...High Rip Current Risk until 8 PM this evening for NCZ106-
     108-110.
     Coastal Flood Advisory until 2 PM EDT this afternoon for
     NCZ107.
MARINE...Small Craft Advisory until 6 PM EDT Wednesday for AMZ250-
     252-254-256.

&&

NEAR TERM...SRP
SHORT TERM...TRA
LONG TERM...CRM
AVIATION...TRA
Hazardous weather outlook, Sep 23, 3:31 AM EDT, 10 hours 40 minutes before
Hazardous Weather Outlook
National Weather Service Wilmington NC
331 AM EDT Sat Sep 23 2017

NCZ087-096-099-105-109-SCZ017-023-024-032-033-039-053-055-240745-
Robeson-Bladen-Columbus-Inland Pender-Inland Brunswick-Marlboro-
Darlington-Dillon-Florence-Marion-Williamsburg-Inland Horry-
Inland Georgetown-
331 AM EDT Sat Sep 23 2017

This Hazardous Weather Outlook is for southeast North Carolina and
northeast South Carolina.

.DAY ONE...Today and Tonight.

No hazardous weather is expected at this time.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

NCZ107-240745-
Inland New Hanover-
331 AM EDT Sat Sep 23 2017

This Hazardous Weather Outlook is for southeast North Carolina.

.DAY ONE...Today and Tonight.

Minor coastal flooding along the Cape Fear River will be possible
this afternoon and again late tonight.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

NCZ106-108-110-SCZ054-056-240745-
Coastal Pender-Coastal New Hanover-Coastal Brunswick-Coastal Horry-
Coastal Georgetown-
331 AM EDT Sat Sep 23 2017

...HIGH RIP CURRENT RISK IN EFFECT FROM 7 AM EDT THIS MORNING
THROUGH THIS EVENING...

This Hazardous Weather Outlook is for southeast North Carolina and
northeast South Carolina.

.DAY ONE...Today and Tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   High Rip Current Risk.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

Swells from hurricane Maria will increase at area beaches resulting
in rough and dangerous surf conditions as well as strong rip
currents.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

AMZ250-252-254-256-240745-
Coastal waters from Surf City to Cape Fear NC out 20 nm-
Coastal waters from Cape Fear NC to Little River Inlet SC out 20 nm-
Coastal waters from Little River Inlet to Murrells Inlet SC out
20 nm-
Coastal waters from Murrells Inlet to South Santee River SC out
20 nm-
331 AM EDT Sat Sep 23 2017

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EDT WEDNESDAY...

This Hazardous Weather Outlook is for The adjacent Coastal Waters.

.DAY ONE...Today and Tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Small Craft Advisory.

SE swell will build to around 5 feet overnight.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Small Craft Advisory.

This weekend into early next week, energetic, fast moving long
period energy will produce turbulence in area inlets during the
outgoing tides, and will produce larger than normal breakers near
sand-bars while expanding the width of the surf zone.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

The office that day

Everything else NWS Wilmington, NC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 23, 10:27 AM EDTCoastal Flood AdvisoryILMNew Hanover4 hr
Sep 23, 3:06 AM EDTSmall Craft AdvisoryILM4 days

Nearby

High Surf Advisories in North Carolina, 2017High Surf Advisories in South Carolina, 2017Every high surf advisory in 2017

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.