Alert archive / California / Beach Hazards Statements in 2021

Beach Hazards Statement 5, NWS Los Angeles, CA

April 29, 2021Los Angeles County, California

NWS Los Angeles, CA issued this beach hazards statement at Apr 29, 2021, 10:59 AM PDT for Los Angeles County, California. It took effect at May 1, 2021, 5:00 AM PDT. It was in force for 42 hr.

The area

The counties it named.

The facts

Issued
Apr 29, 2021, 10:59 AM PDT (17:59 UTC)
In effect from
May 1, 2021, 5:00 AM PDT
Expired
May 2, 2021, 11:00 PM PDT
In force
42 hr
Issued by
NWS Los Angeles, CA

County Los Angeles County, CA

The radar

The Santa Ana Mts radar (KSOX), 71 km from the middle of the area, began a volume at 18:05 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, 6.0 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, San Diego, CA at 12:00Z on 2021-04-29Temperature 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 2021-04-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 20 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
3079 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
20 m²/s²
0-3 km storm-relative helicity
-4 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

843 
WHUS46 KLOX 291759
CFWLOX

Coastal Hazard Message
National Weather Service Los Angeles/Oxnard CA
1059 AM PDT Thu Apr 29 2021

CAZ040-041-087-300200-
/O.NEW.KLOX.BH.S.0005.210501T1200Z-210503T0600Z/
Ventura County Coast-
Los Angeles County Coast including Downtown Los Angeles-
Catalina and Santa Barbara Islands-
1059 AM PDT Thu Apr 29 2021

...BEACH HAZARDS STATEMENT IN EFFECT FROM LATE FRIDAY NIGHT
THROUGH SUNDAY EVENING...

* WHAT...Dangerous rip currents and breaking waves due to elevated
  surf of 3 to 6 feet expected, especially on south facing beaches.

* WHERE...Ventura County Coast, Los Angeles County Coast and 
  Catalina and Santa Barbara Islands.

* WHEN...From late Friday night through Sunday evening.

* IMPACTS...There is an increased risk of ocean drowning. Rip 
  currents can pull swimmers and surfers out to sea. Waves can 
  wash people off beaches and rocks, and capsize small boats 
  nearshore.

* ADDITIONAL DETAILS...The primary swell is from the south, but
  strong winds in the coastal waters may favor a mixed swell later
  in the weekend.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain out of the water due to hazardous swimming conditions, or
stay near occupied lifeguard towers. Rock jetties can be deadly
in such conditions, stay off the rocks.

&&

$$

Sweet
12 follow-up statements
517 
WHUS46 KLOX 300144
CFWLOX

Coastal Hazard Message
National Weather Service Los Angeles/Oxnard CA
644 PM PDT Thu Apr 29 2021

CAZ040-041-087-301345-
/O.CON.KLOX.BH.S.0005.210501T1200Z-210503T0600Z/
Ventura County Coast-
Los Angeles County Coast including Downtown Los Angeles-
Catalina and Santa Barbara Islands-
644 PM PDT Thu Apr 29 2021

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM LATE FRIDAY
NIGHT THROUGH SUNDAY EVENING...

* WHAT...Dangerous rip currents and breaking waves due to 
  elevated surf of 3 to 6 feet expected, especially on south 
  facing beaches.

* WHERE...Ventura County Coast, Los Angeles County Coast and 
  Catalina and Santa Barbara Islands.

* WHEN...From late Friday night through Sunday evening.

* IMPACTS...There is an increased risk of ocean drowning. Rip 
  currents can pull swimmers and surfers out to sea. Waves can 
  wash people off beaches and rocks, and capsize small boats 
  nearshore.

* ADDITIONAL DETAILS...The primary swell is from the south, but 
  strong winds in the coastal waters may favor a mixed swell 
  later in the weekend.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain out of the water due to hazardous swimming conditions, or
stay near occupied lifeguard towers. Rock jetties can be deadly
in such conditions, stay off the rocks.

&&

$$

Stewart
242 
WHUS46 KLOX 301016
CFWLOX

Coastal Hazard Message
National Weather Service Los Angeles/Oxnard CA
316 AM PDT Fri Apr 30 2021

CAZ040-041-087-301830-
/O.CON.KLOX.BH.S.0005.210501T1200Z-210503T0600Z/
Ventura County Coast-
Los Angeles County Coast including Downtown Los Angeles-
Catalina and Santa Barbara Islands-
316 AM PDT Fri Apr 30 2021

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM LATE TONIGHT
THROUGH SUNDAY EVENING...

* WHAT...Dangerous rip currents and breaking waves due to 
  elevated surf of 3 to 6 feet expected, especially on south 
  facing beaches.

* WHERE...Ventura County Coast, Los Angeles County Coast and 
  Catalina and Santa Barbara Islands.

* WHEN...From late tonight through Sunday evening.

* IMPACTS...There is an increased risk of ocean drowning. Rip 
  currents can pull swimmers and surfers out to sea. Waves can 
  wash people off beaches and rocks, and capsize small boats 
  nearshore.

* ADDITIONAL DETAILS...The primary swell is from the south, but 
  strong winds in the coastal waters may favor a mixed swell 
  later in the weekend.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain out of the water due to hazardous swimming conditions, or
stay near occupied lifeguard towers. Rock jetties can be deadly
in such conditions, stay off the rocks.

&&

$$

Phillips
451 
WHUS46 KLOX 301656
CFWLOX

Coastal Hazard Message
National Weather Service Los Angeles/Oxnard CA
956 AM PDT Fri Apr 30 2021

CAZ040-041-087-010100-
/O.CON.KLOX.BH.S.0005.210501T1200Z-210503T0600Z/
Ventura County Coast-
Los Angeles County Coast including Downtown Los Angeles-
Catalina and Santa Barbara Islands-
956 AM PDT Fri Apr 30 2021

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM LATE TONIGHT
THROUGH SUNDAY EVENING...

* WHAT...Dangerous rip currents and breaking waves due to elevated
  surf of 3 to 6 feet, especially on south-facing beaches.

* WHERE...Ventura County Coast, Los Angeles County Coast and 
  Catalina and Santa Barbara Islands.

* WHEN...From late tonight through Sunday evening.

* IMPACTS...There is an increased risk of ocean drowning. Rip 
  currents can pull swimmers and surfers out to sea. Waves can 
  wash people off beaches and rocks, and capsize small boats 
  nearshore.

* ADDITIONAL DETAILS...The primary swell is from the south, but 
  strong winds in the coastal waters may favor a mixed swell 
  later in the weekend.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain out of the water due to hazardous swimming conditions, or
stay near occupied lifeguard towers. Stay off rock jetties as 
they can be deadly in such conditions when waves can knock people
into the water.

&&

$$
Kj
945 
WHUS46 KLOX 302210
CFWLOX

Coastal Hazard Message
National Weather Service Los Angeles/Oxnard CA
310 PM PDT Fri Apr 30 2021

CAZ040-041-087-010615-
/O.CON.KLOX.BH.S.0005.210501T1200Z-210503T0600Z/
Ventura County Coast-
Los Angeles County Coast including Downtown Los Angeles-
Catalina and Santa Barbara Islands-
310 PM PDT Fri Apr 30 2021

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM LATE TONIGHT
THROUGH SUNDAY EVENING...

* WHAT...Dangerous rip currents and breaking waves due to 
  elevated surf of 3 to 6 feet, especially on south-facing 
  beaches.

* WHERE...Ventura County Coast, Los Angeles County Coast and 
  Catalina and Santa Barbara Islands.

* WHEN...From late tonight through Sunday evening.

* IMPACTS...There is an increased risk of ocean drowning. Rip 
  currents can pull swimmers and surfers out to sea. Waves can 
  wash people off beaches and rocks, and capsize small boats 
  nearshore.

* ADDITIONAL DETAILS...The primary swell is from the south, but 
  strong winds in the coastal waters may favor a mixed swell 
  later in the weekend.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain out of the water due to hazardous swimming conditions, or
stay near occupied lifeguard towers. Stay off rock jetties as
they can be deadly in such conditions when waves can knock people
into the water.

&&

$$
Kj
674 
WHUS46 KLOX 010253
CFWLOX

Coastal Hazard Message
National Weather Service Los Angeles/Oxnard CA
753 PM PDT Fri Apr 30 2021

CAZ040-041-087-011100-
/O.CON.KLOX.BH.S.0005.210501T1200Z-210503T0600Z/
Ventura County Coast-
Los Angeles County Coast including Downtown Los Angeles-
Catalina and Santa Barbara Islands-
753 PM PDT Fri Apr 30 2021

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM 5 AM PDT
SATURDAY THROUGH SUNDAY EVENING...

* WHAT...Dangerous rip currents and breaking waves due to 
  elevated surf of 3 to 6 feet, especially on south-facing 
  beaches.

* WHERE...Ventura County Coast, Los Angeles County Coast and 
  Catalina and Santa Barbara Islands.

* WHEN...From 5 AM PDT Saturday through Sunday evening.

* IMPACTS...There is an increased risk of ocean drowning. Rip 
  currents can pull swimmers and surfers out to sea. Waves can 
  wash people off beaches and rocks, and capsize small boats 
  nearshore.

* ADDITIONAL DETAILS...The primary swell is from the south, but 
  strong winds in the coastal waters may favor a mixed swell 
  later in the weekend.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain out of the water due to hazardous swimming conditions, or
stay near occupied lifeguard towers. Stay off rock jetties as
they can be deadly in such conditions when waves can knock people
into the water.

&&

$$
Kj
096 
WHUS46 KLOX 010908
CFWLOX

Coastal Hazard Message
National Weather Service Los Angeles/Oxnard CA
208 AM PDT Sat May 1 2021

CAZ040-041-087-012030-
/O.CON.KLOX.BH.S.0005.210501T1200Z-210503T0600Z/
Ventura County Coast-
Los Angeles County Coast including Downtown Los Angeles-
Catalina and Santa Barbara Islands-
208 AM PDT Sat May 1 2021

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

* WHAT...Dangerous rip currents and breaking waves due to 
  elevated surf of 3 to 6 feet, especially on south-facing 
  beaches.

* WHERE...Ventura County Coast, Los Angeles County Coast and 
  Catalina and Santa Barbara Islands.

* WHEN...Through Sunday evening.

* IMPACTS...There is an increased risk of ocean drowning. Rip 
  currents can pull swimmers and surfers out to sea. Waves can 
  wash people off beaches and rocks, and capsize small boats 
  nearshore.

* ADDITIONAL DETAILS...The primary swell is from the south, but 
  strong winds in the coastal waters may favor a mixed swell 
  later in the weekend.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain out of the water due to hazardous swimming conditions, or
stay near occupied lifeguard towers. Stay off rock jetties as
they can be deadly in such conditions when waves can knock people
into the water.

&&

$$
969 
WHUS46 KLOX 012010
CFWLOX

Coastal Hazard Message
National Weather Service Los Angeles/Oxnard CA
110 PM PDT Sat May 1 2021

CAZ040-041-087-021300-
/O.CON.KLOX.BH.S.0005.000000T0000Z-210503T0600Z/
Ventura County Coast-
Los Angeles County Coast including Downtown Los Angeles-
Catalina and Santa Barbara Islands-
110 PM PDT Sat May 1 2021

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

* WHAT...Dangerous rip currents and breaking waves due to 
  elevated surf of 3 to 6 feet, especially on south-facing 
  beaches.

* WHERE...Ventura County Coast, Los Angeles County Coast and 
  Catalina and Santa Barbara Islands.

* WHEN...Through Sunday evening.

* IMPACTS...There is an increased risk of ocean drowning. Rip 
  currents can pull swimmers and surfers out to sea. Waves can 
  wash people off beaches and rocks, and capsize small boats 
  nearshore.

* ADDITIONAL DETAILS...The primary swell is from the south, but 
  strong winds in the coastal waters may favor a mixed swell 
  later in the weekend.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain out of the water due to hazardous swimming conditions, or
stay near occupied lifeguard towers. Stay off rock jetties as
they can be deadly in such conditions when waves can knock people
into the water.

&&

$$
634 
WHUS46 KLOX 021231
CFWLOX

Coastal Hazard Message
National Weather Service Los Angeles/Oxnard CA
531 AM PDT Sun May 2 2021

CAZ040-041-087-022045-
/O.CON.KLOX.BH.S.0005.000000T0000Z-210503T0600Z/
Ventura County Coast-
Los Angeles County Coast including Downtown Los Angeles-
Catalina and Santa Barbara Islands-
531 AM PDT Sun May 2 2021

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

* WHAT...Dangerous rip currents and breaking waves due to 
  elevated surf of 3 to 6 feet, especially on south-facing 
  beaches.

* WHERE...Ventura County Coast, Los Angeles County Coast and 
  Catalina and Santa Barbara Islands.

* WHEN...Through this evening.

* IMPACTS...There is an increased risk of ocean drowning. Rip 
  currents can pull swimmers and surfers out to sea. Waves can 
  wash people off beaches and rocks, and capsize small boats 
  nearshore.

* ADDITIONAL DETAILS...The primary swell is from the south, but
  strong winds in the coastal waters may favor a mixed swell this
  afternoon and evening.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain out of the water due to hazardous swimming conditions, or
stay near occupied lifeguard towers. Stay off rock jetties as
they can be deadly in such conditions when waves can knock people
into the water.

&&

$$
226 
WHUS46 KLOX 021624
CFWLOX

Coastal Hazard Message
National Weather Service Los Angeles/Oxnard CA
924 AM PDT Sun May 2 2021

CAZ040-041-087-030030-
/O.CON.KLOX.BH.S.0005.000000T0000Z-210503T0600Z/
Ventura County Coast-
Los Angeles County Coast including Downtown Los Angeles-
Catalina and Santa Barbara Islands-
924 AM PDT Sun May 2 2021

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

* WHAT...Dangerous rip currents and breaking waves due to 
  elevated surf of 3 to 6 feet, especially on south-facing 
  beaches.

* WHERE...Ventura County Coast, Los Angeles County Coast and 
  Catalina and Santa Barbara Islands.

* WHEN...Through this evening.

* IMPACTS...There is an increased risk of ocean drowning. Rip 
  currents can pull swimmers and surfers out to sea. Waves can 
  wash people off beaches and rocks, and capsize small boats 
  nearshore.

* ADDITIONAL DETAILS...The primary swell is from the south, but 
  strong winds in the coastal waters may favor a mixed swell 
  this afternoon and evening.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain out of the water due to hazardous swimming conditions, or
stay near occupied lifeguard towers. Stay off rock jetties as
they can be deadly in such conditions when waves can knock people
into the water.

&&

$$
Kj
875 
WHUS46 KLOX 030151
CFWLOX

Coastal Hazard Message
National Weather Service Los Angeles/Oxnard CA
651 PM PDT Sun May 2 2021

CAZ040-041-087-030600-
/O.CON.KLOX.BH.S.0005.000000T0000Z-210503T0600Z/
Ventura County Coast-
Los Angeles County Coast including Downtown Los Angeles-
Catalina and Santa Barbara Islands-
651 PM PDT Sun May 2 2021

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 11 PM PDT THIS
EVENING...

* WHAT...Dangerous rip currents and breaking waves due to 
  elevated surf of 3 to 6 feet, especially on south-facing 
  beaches.

* WHERE...Ventura County Coast, Los Angeles County Coast and 
  Catalina and Santa Barbara Islands.

* WHEN...Until 11 PM PDT this evening.

* IMPACTS...There is an increased risk of ocean drowning. Rip 
  currents can pull swimmers and surfers out to sea. Waves can 
  wash people off beaches and rocks, and capsize small boats 
  nearshore.

* ADDITIONAL DETAILS...The primary swell is from the south, but 
  strong winds in the coastal waters may favor a mixed swell 
  this afternoon and evening.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain out of the water due to hazardous swimming conditions, or
stay near occupied lifeguard towers. Stay off rock jetties as
they can be deadly in such conditions when waves can knock people
into the water.

&&

$$
Kj
629 
WHUS46 KLOX 030339
CFWLOX

Coastal Hazard Message
National Weather Service Los Angeles/Oxnard CA
839 PM PDT Sun May 2 2021

CAZ040-041-087-030600-
/O.CON.KLOX.BH.S.0005.000000T0000Z-210503T0600Z/
Ventura County Coast-
Los Angeles County Coast including Downtown Los Angeles-
Catalina and Santa Barbara Islands-
839 PM PDT Sun May 2 2021

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 11 PM PDT THIS
EVENING...

* WHAT...Dangerous rip currents and breaking waves due to 
  elevated surf of 3 to 6 feet, especially on south-facing 
  beaches.

* WHERE...Ventura County Coast, Los Angeles County Coast and 
  Catalina and Santa Barbara Islands.

* WHEN...Until 11 PM PDT this evening.

* IMPACTS...There is an increased risk of ocean drowning. Rip 
  currents can pull swimmers and surfers out to sea. Waves can 
  wash people off beaches and rocks, and capsize small boats 
  nearshore.

* ADDITIONAL DETAILS...The primary swell is from the south, but
  strong winds in the coastal waters may favor a mixed swell.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain out of the water due to hazardous swimming conditions, or
stay near occupied lifeguard towers. Stay off rock jetties as
they can be deadly in such conditions when waves can knock people
into the water.

&&

$$
Kj
345 
WHUS46 KLOX 030609
CFWLOX

Coastal Hazard Message
National Weather Service Los Angeles/Oxnard CA
1109 PM PDT Sun May 2 2021

CAZ040-041-087-030715-
/O.EXP.KLOX.BH.S.0005.000000T0000Z-210503T0600Z/
Ventura County Coast-
Los Angeles County Coast including Downtown Los Angeles-
Catalina and Santa Barbara Islands-
1109 PM PDT Sun May 2 2021

...BEACH HAZARDS STATEMENT HAS EXPIRED...

$$

The office that day

Everything else NWS Los Angeles, CA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 29, 9:22 AM PDTGale WatchLOX30 hr

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.