Alert archive / California / Beach Hazards Statements in 2021

Beach Hazards Statement 11, NWS San Diego, CA

August 17, 2021Orange County, California

NWS San Diego, CA issued this beach hazards statement at Aug 17, 2021, 12:20 PM PDT for Orange County, California. It took effect at Aug 18, 2021, 10:00 PM PDT. It was in force for 3 days.

The area

The counties it named.

The facts

Issued
Aug 17, 2021, 12:20 PM PDT (19:20 UTC)
In effect from
Aug 18, 2021, 10:00 PM PDT
Expired
Aug 21, 2021, 10:00 PM PDT
In force
3 days
Issued by
NWS San Diego, CA

County Orange County, CA

The radar

The Santa Ana Mts radar (KSOX), 20 km from the middle of the area, began a volume at 19:19 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

San Diego, CA (KNKX), launched 12:00Z, 7.3 hours before the alert went out and 111 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, San Diego, CA at 12:00Z on 2021-08-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, San Diego, CA at 12:00Z on 2021-08-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -14 square meters per square second.1939Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1050 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
-14 m²/s²
0-3 km storm-relative helicity
29 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

028 
WHUS46 KSGX 171920
CFWSGX

Coastal Hazard Message
National Weather Service San Diego CA
1220 PM PDT Tue Aug 17 2021

CAZ552-180500-
/O.NEW.KSGX.BH.S.0011.210819T0500Z-210821T0500Z/
Orange County Coastal Areas-
1220 PM PDT Tue Aug 17 2021

...BEACH HAZARDS STATEMENT IN EFFECT FROM WEDNESDAY EVENING
THROUGH FRIDAY EVENING...

* Rip Currents and Surf...Surf of 4 to 6 feet with sets to 7 feet
  expected, highest on south-facing beaches. High rip current
  risk.

* Timing...Building on Wednesday with highest surf on Thursday and
  Friday.

* Tides...Tides will peak near 6-6.5 feet early evenings on
  Thursday and Friday.

* Impacts...Hazardous swimming conditions along with minor coastal
  flooding and erosion possible with elevated surf and high 
  tides.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A beach hazards statement is issued when threats such as strong
rip currents...elevated surf heights...minor tidal overflow...or
lightning are possible at local beaches. Obey posted warning 
signs and flags and talk to a lifeguard before swimming. Use 
caution when in or near the water and always swim near a 
lifeguard.

&&

$$

APR

https://www.weather.gov/sandiego
13 follow-up statements
000 
WHUS46 KSGX 180431
CFWSGX

Coastal Hazard Message
National Weather Service San Diego CA
931 PM PDT Tue Aug 17 2021

CAZ552-181315-
/O.CON.KSGX.BH.S.0011.210819T0500Z-210821T0500Z/
Orange County Coastal Areas-
931 PM PDT Tue Aug 17 2021

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM WEDNESDAY
EVENING THROUGH FRIDAY EVENING...

* Rip Currents and Surf...Surf of 4 to 6 feet with sets to 7 
  feet expected, highest on south-facing beaches. High rip 
  current risk. 

* Timing...Building on Wednesday with highest surf on Thursday 
  and Friday. 

* Tides...High tides of 6 to 6.5 feet will occur during the early
  evenings Thursday and Friday. 

* Impacts...Hazardous swimming conditions along with minor coastal
  flooding and erosion possible due to the elevated surf and high
  tides.
  

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A beach hazards statement is issued when threats such as strong
rip currents...elevated surf heights...minor tidal overflow...or
lightning are possible at local beaches. Obey posted warning
signs and flags and talk to a lifeguard before swimming. Use
caution when in or near the water and always swim near a
lifeguard.

&&

$$

Maxwell
727 
WHUS46 KSGX 181154
CFWSGX

Coastal Hazard Message
National Weather Service San Diego CA
454 AM PDT Wed Aug 18 2021

CAZ552-182100-
/O.CON.KSGX.BH.S.0011.210819T0500Z-210821T0500Z/
Orange County Coastal Areas-
454 AM PDT Wed Aug 18 2021

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM THIS EVENING
THROUGH FRIDAY EVENING...

* Rip Currents and Surf...Surf of 4 to 6 feet with sets to 7 
  feet expected, highest on south-facing beaches. High rip 
  current risk. 

* Timing...Building today with highest surf on Thursday and 
  Friday.
 
* Tides...High tides of 6 to 6.5 feet will occur during the 
  early evenings Thursday and Friday. 

* Impacts...Hazardous swimming conditions. Minor tidal overflow 
  is possible near low-lying beach areas, boardwalks, and parking 
  lots. Minor beach erosion is also possible.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A beach hazards statement is issued when threats such as strong
rip currents...elevated surf heights...minor tidal overflow...or
lightning are possible at local beaches. Obey posted warning
signs and flags and talk to a lifeguard before swimming. Use
caution when in or near the water and always swim near a
lifeguard.

&&

$$


https://www.weather.gov/sandiego
550 
WHUS46 KSGX 182013
CFWSGX

Coastal Hazard Message
National Weather Service San Diego CA
113 PM PDT Wed Aug 18 2021

CAZ552-190500-
/O.CON.KSGX.BH.S.0011.210819T0500Z-210821T0500Z/
Orange County Coastal Areas-
113 PM PDT Wed Aug 18 2021

...BEACH HAZARDS STATEMENT FOR ABOVE AVERAGE SURF AND STRONG RIP
CURRENTS REMAINS IN EFFECT FROM 10 PM TONIGHT THROUGH 10 PM FRIDAY...

* Rip Currents and Surf...Surf of 4 to 6 feet with sets to 7 feet,
  highest on south-facing beaches. High rip current risk. 

* Timing...Tonight through Friday.

* Tides...Evening high tides of 6.6 feet Thursday and Friday.

* Impacts...Hazardous swimming conditions. Minor tidal overflow is
  possible near low-lying beach areas, boardwalks, and parking
  lots. Minor beach erosion is possible. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A beach hazards statement is issued for threats such as strong 
rip currents...elevated surf heights and minor tidal overflow. 
Use caution when in or near the water and always swim near a 
lifeguard.

&&

$$

Moede
280 
WHUS46 KSGX 190450
CFWSGX

Coastal Hazard Message
National Weather Service San Diego CA
950 PM PDT Wed Aug 18 2021

CAZ552-191300-
/O.CON.KSGX.BH.S.0011.210819T0500Z-210821T0500Z/
Orange County Coastal Areas-
950 PM PDT Wed Aug 18 2021

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH FRIDAY
EVENING...

* Rip Currents and Surf...Surf of 4 to 6 feet with sets to 7 
  feet, highest on south-facing beaches. High rip current risk. 

* Timing...Tonight through Friday.

* Tides...Evening high tides of up to 6.6 feet Thursday and 
  Friday.

* Impacts...Hazardous swimming conditions. Minor tidal overflow 
  is possible near low-lying beach areas, boardwalks, and 
  parking lots. Minor beach erosion is possible. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A beach hazards statement is issued for threats such as strong
rip currents...elevated surf heights and minor tidal overflow.
Use caution when in or near the water and always swim near a
lifeguard.

&&

$$

Maxwell
805 
WHUS46 KSGX 191251
CFWSGX

Coastal Hazard Message
National Weather Service San Diego CA
551 AM PDT Thu Aug 19 2021


CAZ552-192100-
/O.CON.KSGX.BH.S.0011.000000T0000Z-210821T0500Z/
Orange County Coastal Areas-
551 AM PDT Thu Aug 19 2021

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH FRIDAY
EVENING...

* Rip Currents and Surf...Surf of 4 to 6 feet with sets to 7 
  feet, highest on south-facing beaches. High rip current risk. 

* Timing...Through Friday.

* Tides...Evening high tides of up to 6.6 feet Friday. 

* Impacts...Hazardous swimming conditions. Minor tidal overflow 
  is possible near low-lying beach areas, boardwalks, and 
  parking lots. Minor beach erosion is possible. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A beach hazards statement is issued for threats such as strong
rip currents...elevated surf heights and minor tidal overflow.
Use caution when in or near the water and always swim near a
lifeguard.

&&

$$


https://www.weather.gov/sandiego
993 
WHUS46 KSGX 192030
CFWSGX

Coastal Hazard Message
National Weather Service San Diego CA
130 PM PDT Thu Aug 19 2021

CAZ552-200515-
/O.EXT.KSGX.BH.S.0011.000000T0000Z-210822T0500Z/
Orange County Coastal Areas-
130 PM PDT Thu Aug 19 2021

...BEACH HAZARDS STATEMENT NOW IN EFFECT THROUGH SATURDAY
EVENING...

* Rip Currents and Surf...Southwest swell from 190-200 degrees and
  a period of 16 to 18 seconds generating surf of 4 to 7 feet with
  sets to 8 feet through Friday. Surf of 4 to 6 feet with sets to
  7 feet expected Saturday. Highest surf will be on south-facing 
  beaches. High rip current risk.
  

* Timing...Through Saturday evening.

* Tides...Evening high tides of up to 6.6 feet Friday.

* Impacts...Strong rip currents creating hazardous swimming 
  conditions. Minor tidal overflow is possible near low-lying 
  beach areas, boardwalks, and parking lots. Minor beach erosion 
  is possible. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A beach hazards statement is issued for threats such as strong
rip currents...elevated surf heights and minor tidal overflow.
Use caution when in or near the water and always swim near a
lifeguard.

&&

$$

CO

https://www.weather.gov/sandiego
537 
WHUS46 KSGX 200448
CFWSGX

Coastal Hazard Message
National Weather Service San Diego CA
948 PM PDT Thu Aug 19 2021

CAZ552-201300-
/O.CON.KSGX.BH.S.0011.000000T0000Z-210822T0500Z/
Orange County Coastal Areas-
948 PM PDT Thu Aug 19 2021

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH SATURDAY
EVENING...

* Rip Currents and Surf...Southwest swell from 190-200 degrees 
  and a period of 16 to 18 seconds generating surf of 4 to 7 
  feet with sets to 8 feet through Friday. Surf of 4 to 6 feet 
  with sets to 7 feet expected Saturday. Highest surf will be on 
  south- facing beaches. High rip current risk. 

* Timing...Through Saturday evening.

* Tides...Evening high tides of up to 6.6 feet Friday.

* Impacts...Strong rip currents creating hazardous swimming 
  conditions. Minor tidal overflow is possible near low-lying 
  beach areas, boardwalks, and parking lots. Minor beach erosion 
  is possible. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A beach hazards statement is issued for threats such as strong
rip currents...elevated surf heights and minor tidal overflow.
Use caution when in or near the water and always swim near a
lifeguard.

&&

$$

Maxwell
227 
WHUS46 KSGX 200834
CFWSGX

Coastal Hazard Message
National Weather Service San Diego CA
134 AM PDT Fri Aug 20 2021

CAZ552-202100-
/O.CON.KSGX.BH.S.0011.000000T0000Z-210822T0500Z/
Orange County Coastal Areas-
134 AM PDT Fri Aug 20 2021

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH SATURDAY
EVENING...

* Rip Currents and Surf...Surf of 4 to 6 feet with local sets to 
  8 feet through today. Surf of 4 to 6 feet on Saturday. Highest 
  surf will be on southwest-facing beaches. High rip current risk.
 
* Timing...Through Saturday evening.

* Tides...Evening high tides of up to 6.6 feet today and 
  Saturday.

* Impacts...Strong rip currents creating hazardous swimming 
  conditions. Minor tidal overflow is possible near low-lying 
  beach areas, boardwalks, and parking lots. Minor beach erosion 
  is possible. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A beach hazards statement is issued for threats such as strong
rip currents...elevated surf heights and minor tidal overflow.
Use caution when in or near the water and always swim near a
lifeguard.

&&

$$


https://www.weather.gov/sandiego
602 
WHUS46 KSGX 202026
CFWSGX

Coastal Hazard Message
National Weather Service San Diego CA
126 PM PDT Fri Aug 20 2021

CAZ552-210500-
/O.CON.KSGX.BH.S.0011.000000T0000Z-210822T0500Z/
Orange County Coastal Areas-
126 PM PDT Fri Aug 20 2021

...BEACH HAZARDS STATEMENT FOR ABOVE AVERAGE SURF AND STRONG RIP 
CURRENTS REMAINS IN EFFECT THROUGH SATURDAY EVENING...

* Rip Currents and Surf...Surf of 4 to 6 feet with sets to 7 feet
  through Saturday. High rip current risk.

* Timing...Through Saturday evening.

* Tides...Evening high tides of 6.6 feet today and Saturday.

* Impacts...Above average surf and strong rip currents creating
  hazardous swimming conditions. Minor tidal overflow is possible
  near low-lying beach areas, boardwalks, and parking lots. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A beach hazards statement is issued for threats such as strong
rip currents...elevated surf heights and minor tidal overflow.
Use caution when in or near the water and always swim near a
lifeguard.

&&

$$

Moede
448 
WHUS46 KSGX 210305
CFWSGX

Coastal Hazard Message
National Weather Service San Diego CA
805 PM PDT Fri Aug 20 2021

CAZ552-211130-
/O.CON.KSGX.BH.S.0011.000000T0000Z-210822T0500Z/
Orange County Coastal Areas-
805 PM PDT Fri Aug 20 2021

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH SATURDAY
EVENING...

* Rip Currents and Surf...Surf of 4 to 6 feet with sets to 7 
  feet through Saturday. High rip current risk. 

* Timing...Through Saturday evening.

* Tides...High tides of 6.6 feet this evening and Saturday
  evening.

* Impacts...Above average surf and strong rip currents creating 
  hazardous swimming conditions. Minor tidal overflow is 
  possible near low-lying beach areas, boardwalks, and parking 
  lots. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A beach hazards statement is issued for threats such as strong
rip currents...elevated surf heights and minor tidal overflow.
Use caution when in or near the water and always swim near a
lifeguard.

&&

$$
096 
WHUS46 KSGX 211100
CFWSGX

Coastal Hazard Message
National Weather Service San Diego CA
400 AM PDT Sat Aug 21 2021


CAZ552-212100-
/O.CON.KSGX.BH.S.0011.000000T0000Z-210822T0500Z/
Orange County Coastal Areas-
400 AM PDT Sat Aug 21 2021

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH THIS
EVENING...

* Rip Currents and Surf...Surf of 4 to 6 feet through today. High
  rip current risk. 

* Timing...Through this evening.

* Tides...High tides of 6.6 feet this evening. 

* Impacts...Above average surf and strong rip currents creating 
  hazardous swimming conditions. Minor tidal overflow is 
  possible near low-lying beach areas, boardwalks, and parking 
  lots. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A beach hazards statement is issued for threats such as strong
rip currents...elevated surf heights and minor tidal overflow.
Use caution when in or near the water and always swim near a
lifeguard.

&&

$$


https://www.weather.gov/sandiego
347 
WHUS46 KSGX 212048
CFWSGX

Coastal Hazard Message
National Weather Service San Diego CA
148 PM PDT Sat Aug 21 2021

CAZ552-220500-
/O.CON.KSGX.BH.S.0011.000000T0000Z-210822T0500Z/
Orange County Coastal Areas-
148 PM PDT Sat Aug 21 2021

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 10 PM PDT THIS
EVENING...

* Rip Currents and Surf...Surf of 4 to 6 feet through this evening.
  High rip current risk. 

* Timing...Through this evening.

* Tides...High tides of 6.6 feet this evening.

* Impacts...Above average surf and strong rip currents creating 
  hazardous swimming conditions. Minor tidal overflow is 
  possible near low-lying beach areas, boardwalks, and parking 
  lots. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A beach hazards statement is issued for threats such as strong
rip currents...elevated surf heights and minor tidal overflow.
Use caution when in or near the water and always swim near a
lifeguard.

&&

$$


https://www.weather.gov/sandiego
248 
WHUS46 KSGX 220445
CFWSGX

Coastal Hazard Message
National Weather Service San Diego CA
945 PM PDT Sat Aug 21 2021

CAZ552-220545-
/O.EXP.KSGX.BH.S.0011.000000T0000Z-210822T0500Z/
Orange County Coastal Areas-
945 PM PDT Sat Aug 21 2021

...BEACH HAZARDS STATEMENT WILL EXPIRE AT 10 PM PDT THIS
EVENING...

Elevated surf at the SoCal Beaches will continue to subside 
through Sunday. Watch out for rip currents which will be a
continued threat for beach goers.

&&

$$

jmb

https://www.weather.gov/sandiego

Nearby

Beach Hazards Statements in California, 2021Every beach hazards statement in 2021

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.