Alert archive / New Jersey / High Surf Advisories in 2023

High Surf Advisory 2, NWS Philadelphia/Mount Holly

September 14, 20234 counties in New Jersey; Sussex County, Delaware

NWS Philadelphia/Mount Holly issued this high surf advisory at Sep 14, 2023, 3:16 AM EDT for 4 counties in New Jersey; Sussex County, Delaware. It took effect at Sep 14, 2023, 6:00 PM EDT. It was in force for 46 hr.

The area

The counties it named.

The facts

Issued
Sep 14, 2023, 3:16 AM EDT (07:16 UTC)
In effect from
Sep 14, 2023, 6:00 PM EDT
Expired
Sep 16, 2023, 3:33 PM EDT
In force
46 hr
Issued by
NWS Philadelphia/Mount Holly

Counties Sussex County, DE, Atlantic County, NJ, Cape May County, NJ, Monmouth County, NJ, Ocean County, NJ

The radar

The Philadelphia radar (KDIX), 56 km from the middle of the area, began a volume at 07:19 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

Wallops Is Stn, VA (KWAL), launched 00:00Z, 7.3 hours before the alert went out and 184 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, Wallops Is Stn, VA at 00:00Z on 2023-09-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 128 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Wallops Is Stn, VA at 00:00Z on 2023-09-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 11 square meters per square second.19395878Sfc1 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
128 J/kg
Mixed-layer CIN
-45 J/kg
Mixed-layer LCL
1271 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
11 m²/s²
0-3 km storm-relative helicity
86 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

067 
WHUS41 KPHI 140716
CFWPHI

Coastal Hazard Message
National Weather Service Mount Holly NJ
316 AM EDT Thu Sep 14 2023

DEZ004-NJZ014-024>026-142200-
/O.NEW.KPHI.SU.Y.0002.230914T2200Z-230916T1000Z/
/O.CON.KPHI.RP.S.0006.000000T0000Z-230916T0100Z/
Delaware Beaches-Eastern Monmouth-Atlantic Coastal Cape May-
Coastal Atlantic-Coastal Ocean-
316 AM EDT Thu Sep 14 2023

...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH FRIDAY
EVENING...
...HIGH SURF ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 6 AM
EDT SATURDAY...

* WHAT...For the High Rip Current Risk, dangerous rip currents. 
  For the High Surf Advisory, large breaking waves of 6 to 8 feet 
  expected in the surf zone.

* WHERE...In Delaware, Delaware Beaches. In New Jersey, Eastern 
  Monmouth, Atlantic Coastal Cape May, Coastal Atlantic and 
  Coastal Ocean.

* WHEN...For the High Rip Current Risk, through Friday evening. 
  For the High Surf Advisory, from 6 PM this evening to 6 AM EDT 
  Saturday.

* IMPACTS...Dangerous swimming and surfing conditions and 
  localized beach erosion. Rip currents can sweep even the best 
  swimmers away from shore into deeper water.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

$$

MPS
7 follow-up statements
874 
WHUS41 KPHI 141111
CFWPHI

Coastal Hazard Message
National Weather Service Mount Holly NJ
711 AM EDT Thu Sep 14 2023

DEZ004-NJZ014-024>026-151130-
/O.CON.KPHI.SU.Y.0002.230914T2200Z-230916T1000Z/
/O.CON.KPHI.RP.S.0006.000000T0000Z-230916T0100Z/
Delaware Beaches-Eastern Monmouth-Atlantic Coastal Cape May-
Coastal Atlantic-Coastal Ocean-
711 AM EDT Thu Sep 14 2023

...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH FRIDAY
EVENING...
...HIGH SURF ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO
6 AM EDT SATURDAY...

* WHAT...For the High Rip Current Risk, dangerous rip currents. 
  For the High Surf Advisory, large breaking waves of 6 to 8 
  feet expected in the surf zone.

* WHERE...In Delaware, Delaware Beaches. In New Jersey, Eastern 
  Monmouth, Atlantic Coastal Cape May, Coastal Atlantic and 
  Coastal Ocean.

* WHEN...For the High Rip Current Risk, through Friday evening. 
  For the High Surf Advisory, from 6 PM this evening to 6 AM EDT 
  Saturday.

* IMPACTS...Dangerous swimming and surfing conditions and 
  localized beach erosion. Rip currents can sweep even the best 
  swimmers away from shore into deeper water.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

$$
787 
WHUS41 KPHI 142310
CFWPHI

Coastal Hazard Message
National Weather Service Mount Holly NJ
710 PM EDT Thu Sep 14 2023

DEZ004-NJZ014-024>026-151215-
/O.EXT.KPHI.RP.S.0006.000000T0000Z-230917T0000Z/
/O.CON.KPHI.SU.Y.0002.000000T0000Z-230916T1000Z/
Delaware Beaches-Eastern Monmouth-Atlantic Coastal Cape May-
Coastal Atlantic-Coastal Ocean-
710 PM EDT Thu Sep 14 2023

...HIGH RIP CURRENT RISK NOW IN EFFECT THROUGH SATURDAY EVENING...
...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 6 AM EDT SATURDAY...

* WHAT...For the High Rip Current Risk, dangerous rip currents.
  For the High Surf Advisory, large breaking waves 8 to 10 feet 
  in the surf zone.

* WHERE...In Delaware, Delaware Beaches. In New Jersey, Eastern 
  Monmouth, Atlantic Coastal Cape May, Coastal Atlantic and 
  Coastal Ocean.

* WHEN...For the High Rip Current Risk, through Saturday 
  evening. For the High Surf Advisory, until 6 AM EDT Saturday.

* IMPACTS...Dangerous swimming and surfing conditions and 
  localized beach erosion. Rip currents can sweep even the best 
  swimmers away from shore into deeper water.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

$$
532 
WHUS41 KPHI 150716
CFWPHI

Coastal Hazard Message
National Weather Service Mount Holly NJ
316 AM EDT Fri Sep 15 2023

DEZ004-NJZ014-024>026-160100-
/O.EXT.KPHI.SU.Y.0002.000000T0000Z-230916T2200Z/
/O.CON.KPHI.RP.S.0006.000000T0000Z-230917T0000Z/
Delaware Beaches-Eastern Monmouth-Atlantic Coastal Cape May-
Coastal Atlantic-Coastal Ocean-
316 AM EDT Fri Sep 15 2023

...HIGH SURF ADVISORY NOW IN EFFECT UNTIL 6 PM EDT SATURDAY...
...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH SATURDAY
EVENING...

* WHAT...For the High Surf Advisory, large breaking waves of up 
  to 8 feet in the surf zone. For the High Rip Current Risk, 
  dangerous rip currents.

* WHERE...In Delaware, Delaware Beaches. In New Jersey, Eastern 
  Monmouth, Atlantic Coastal Cape May, Coastal Atlantic and 
  Coastal Ocean.

* WHEN...For the High Surf Advisory, until 6 PM EDT Saturday. 
  For the High Rip Current Risk, through Saturday evening.

* IMPACTS...Dangerous swimming and surfing conditions and 
  localized beach erosion. Rip currents can sweep even the best 
  swimmers away from shore into deeper water.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

$$

Hoeflich
401 
WHUS41 KPHI 151033
CFWPHI

Coastal Hazard Message
National Weather Service Mount Holly NJ
633 AM EDT Fri Sep 15 2023

DEZ004-NJZ014-024>026-160100-
/O.CON.KPHI.SU.Y.0002.000000T0000Z-230916T2200Z/
/O.CON.KPHI.RP.S.0006.000000T0000Z-230917T0000Z/
Delaware Beaches-Eastern Monmouth-Atlantic Coastal Cape May-
Coastal Atlantic-Coastal Ocean-
633 AM EDT Fri Sep 15 2023

...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 6 PM EDT SATURDAY...
...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH SATURDAY
EVENING...

* WHAT...For the High Surf Advisory, large breaking waves of up 
  to 8 feet in the surf zone. For the High Rip Current Risk, 
  dangerous rip currents.

* WHERE...In Delaware, Delaware Beaches. In New Jersey, Eastern 
  Monmouth, Atlantic Coastal Cape May, Coastal Atlantic and 
  Coastal Ocean.

* WHEN...For the High Surf Advisory, until 6 PM EDT Saturday. 
  For the High Rip Current Risk, through Saturday evening.

* IMPACTS...Dangerous swimming and surfing conditions and 
  localized beach erosion. Rip currents can sweep even the best 
  swimmers away from shore into deeper water.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

$$

Hoeflich
636 
WHUS41 KPHI 160018
CFWPHI

Coastal Hazard Message
National Weather Service Mount Holly NJ
818 PM EDT Fri Sep 15 2023

DEZ004-NJZ014-024>026-161330-
/O.CON.KPHI.SU.Y.0002.000000T0000Z-230916T2200Z/
/O.CON.KPHI.RP.S.0006.000000T0000Z-230917T0000Z/
Delaware Beaches-Eastern Monmouth-Atlantic Coastal Cape May-
Coastal Atlantic-Coastal Ocean-
818 PM EDT Fri Sep 15 2023

...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 6 PM EDT SATURDAY...
...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH SATURDAY
EVENING...

* WHAT...For the High Surf Advisory, large breaking waves of up 
  to 8 feet in the surf zone. For the High Rip Current Risk, 
  dangerous rip currents.

* WHERE...In Delaware, Delaware Beaches. In New Jersey, Eastern 
  Monmouth, Atlantic Coastal Cape May, Coastal Atlantic and 
  Coastal Ocean.

* WHEN...For the High Surf Advisory, until 6 PM EDT Saturday. 
  For the High Rip Current Risk, through Saturday evening.

* IMPACTS...Dangerous swimming and surfing conditions and 
  localized beach erosion. Rip currents can sweep even the best 
  swimmers away from shore into deeper water.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

$$
777 
WHUS41 KPHI 160813
CFWPHI

Coastal Hazard Message
National Weather Service Mount Holly NJ
413 AM EDT Sat Sep 16 2023

DEZ004-NJZ014-024>026-162115-
/O.CON.KPHI.SU.Y.0002.000000T0000Z-230916T2200Z/
/O.CON.KPHI.RP.S.0006.000000T0000Z-230917T0000Z/
Delaware Beaches-Eastern Monmouth-Atlantic Coastal Cape May-
Coastal Atlantic-Coastal Ocean-
413 AM EDT Sat Sep 16 2023

...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 6 PM EDT THIS
EVENING...
...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH THIS EVENING...

* WHAT...For the High Surf Advisory, large breaking waves of up to
  8 feet in the surf zone. For the High Rip Current Risk, 
  dangerous rip currents.

* WHERE...In Delaware, Delaware Beaches. In New Jersey, Eastern 
  Monmouth, Atlantic Coastal Cape May, Coastal Atlantic and 
  Coastal Ocean.

* WHEN...For the High Surf Advisory, until 6 PM EDT this 
  evening. For the High Rip Current Risk, through this evening.

* IMPACTS...Dangerous swimming and surfing conditions and 
  localized beach erosion. Rip currents can sweep even the best 
  swimmers away from shore into deeper water.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

$$
872 
WHUS41 KPHI 161933
CFWPHI

Coastal Hazard Message
National Weather Service Mount Holly NJ
333 PM EDT Sat Sep 16 2023

DEZ004-NJZ014-024>026-170000-
/O.CAN.KPHI.SU.Y.0002.000000T0000Z-230916T2200Z/
/O.CON.KPHI.RP.S.0006.000000T0000Z-230917T0000Z/
Delaware Beaches-Eastern Monmouth-Atlantic Coastal Cape May-
Coastal Atlantic-Coastal Ocean-
333 PM EDT Sat Sep 16 2023

...HIGH RIP CURRENT RISK REMAINS IN EFFECT UNTIL 8 PM EDT THIS
EVENING...
...HIGH SURF ADVISORY IS CANCELLED...

* WHAT...Dangerous rip currents.

* WHERE...In Delaware, Delaware Beaches. In New Jersey, Eastern 
  Monmouth, Atlantic Coastal Cape May, Coastal Atlantic and 
  Coastal Ocean.

* WHEN...Until 8 PM EDT this evening.

* IMPACTS...Rip currents can sweep even the best swimmers away 
  from shore into deeper water.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

$$

DeSilva

Nearby

High Surf Advisories in New Jersey, 2023High Surf Advisories in Delaware, 2023Every high surf advisory in 2023

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.