Alert archive / California / Beach Hazards Statements in 2021

Beach Hazards Statement 11, NWS Los Angeles, CA

August 18, 2021Los Angeles County, California

NWS Los Angeles, CA issued this beach hazards statement at Aug 18, 2021, 10:02 PM PDT for Los Angeles County, California. It was in force for 3 days.

The area

The counties it named.

The facts

Issued
Aug 18, 2021, 10:02 PM PDT (05:02 UTC)
Expired
Aug 21, 2021, 11:00 PM PDT
In force
3 days
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 05:04 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 00:00Z, 5.0 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 00:00Z on 2021-08-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 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, San Diego, CA at 00:00Z on 2021-08-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -19 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
1 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
828 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
-19 m²/s²
0-3 km storm-relative helicity
82 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

212 
WHUS46 KLOX 190502
CFWLOX

Coastal Hazard Message
National Weather Service Los Angeles/Oxnard CA
1002 PM PDT Wed Aug 18 2021

CAZ040-041-087-191315-
/O.NEW.KLOX.BH.S.0011.210819T0502Z-210822T0600Z/
Ventura County Coast-
Los Angeles County Coast including Downtown Los Angeles-
Catalina and Santa Barbara Islands-
1002 PM PDT Wed Aug 18 2021

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

* WHAT...Dangerous rip currents and breaking waves due to elevated
  surf. Minor tidal overflows possible during times of high tide.

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

* WHEN...Through Saturday 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. Pooling of sea water is possible around high tide at
  beach and harbor areas that is uncommon with normal tidal 
  ranges. Enhanced beach erosion is also expected. No significant 
  damage is expected.expected.

* TIDES...The next high tide around 4.0 feet will occur around 850
  AM PDT Thursday, followed by a low tide near 2.4 feet close to
  130 PM PDT. A high high tide near 6.5 feet will occur Thursday
  evening around 745 PM PDT.
  

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.

&&

$$

Hall
6 follow-up statements
743 
WHUS46 KLOX 190930
CFWLOX

Coastal Hazard Message
National Weather Service Los Angeles/Oxnard CA
230 AM PDT Thu Aug 19 2021

CAZ034-035-192145-
/O.EXA.KLOX.BH.S.0011.000000T0000Z-210822T0600Z/
San Luis Obispo County Central Coast-
Santa Barbara County Central Coast-
230 AM PDT Thu Aug 19 2021

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

* WHAT...Dangerous rip currents and breaking waves due to elevated
  surf of 5 to 8 feet. Minor tidal overflow is possible near the
  times of the high tides, especially the evening high tides.

* WHERE...San Luis Obispo County Central Coast and Santa Barbara 
  County Central Coast.

* WHEN...Through Saturday 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. Pooling of sea water is possible around high tide at
  beach and harbor areas that is uncommon with normal tidal
  ranges. Enhanced beach erosion is also expected.

* TIDES...The next high tides will be around 4.0 feet at 930 AM
  PDT this morning, followed by a 6.4 foot high tide around 815 PM
  PDT this evening, then a 4.2 foot high tide at 1015 AM PDT
  Friday morning, and a 6.5 foot high tide at 9 PM PDT Friday 
  evening.

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.

&&

$$

CAZ040-041-087-192145-
/O.CON.KLOX.BH.S.0011.000000T0000Z-210822T0600Z/
Ventura County Coast-
Los Angeles County Coast including Downtown Los Angeles-
Catalina and Santa Barbara Islands-
230 AM PDT Thu Aug 19 2021

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

* WHAT...Dangerous rip currents and breaking waves due to elevated
  surf of 4 to 6 feet with local sets to 7 feet. Surf will be
  highest on exposed south facing beaches. Minor tidal overflow is
  possible near the times of high tides, especially the evening
  high tides.

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

* WHEN...Through Saturday 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. Pooling of sea water is possible around high tide 
  at beach and harbor areas that is uncommon with normal tidal 
  ranges. Enhanced beach erosion is also expected. 

* TIDES...The next high tides will be around 4.1 feet at 850 AM
  PDT this morning, followed by a 6.5 foot high tide around 745 PM
  PDT this evening, then a 4.3 foot high tide at 930 AM PDT 
  Friday morning, and a 6.7 foot high tide at 830 PM PDT Friday 
  evening.

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.

&&

$$
711 
WHUS46 KLOX 192111
CFWLOX

Coastal Hazard Message
National Weather Service Los Angeles/Oxnard CA
211 PM PDT Thu Aug 19 2021

CAZ040-041-087-200515-
/O.CON.KLOX.BH.S.0011.000000T0000Z-210822T0600Z/
Ventura County Coast-
Los Angeles County Coast including Downtown Los Angeles-
Catalina and Santa Barbara Islands-
211 PM PDT Thu Aug 19 2021

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

* WHAT...Dangerous rip currents and breaking waves due to 
  elevated surf of 4 to 6 feet with local sets to 7 feet. Surf 
  will be highest on exposed south facing beaches. Minor tidal 
  overflow is possible near the times of high tides, especially 
  the evening high tides.

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

* WHEN...Through Saturday 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. Pooling of sea water is possible around high tide 
  at beach and harbor areas that is uncommon with normal tidal 
  ranges. Enhanced beach erosion is also expected.

* TIDES...The next high tides will be around 6.5 foot high tide 
  around 745 PM PDT this evening, then a 4.3 foot high tide at 930
  AM PDT Friday morning, and a 6.7 foot high tide at 830 PM PDT 
  Friday evening.

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.

&&

$$

CAZ034-035-200515-
/O.CON.KLOX.BH.S.0011.000000T0000Z-210822T0600Z/
San Luis Obispo County Central Coast-
Santa Barbara County Central Coast-
211 PM PDT Thu Aug 19 2021

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

* WHAT...Dangerous rip currents and breaking waves due to 
  elevated surf of 5 to 8 feet. Minor tidal overflow is possible 
  near the times of the high tides, especially the evening high 
  tides.

* WHERE...San Luis Obispo County Central Coast and Santa Barbara 
  County Central Coast.

* WHEN...Through Saturday 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. Pooling of sea water is possible around high tide 
  at beach and harbor areas that is uncommon with normal tidal 
  ranges. Enhanced beach erosion is also expected.

* TIDES...The next high tides will be around 6.4 foot high tide 
  around 815 PM PDT this evening, then a 4.2 foot high tide at 
  1015 AM PDT Friday morning, and a 6.5 foot high tide at 9 PM PDT
  Friday evening.

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
419 
WHUS46 KLOX 200336
CFWLOX

Coastal Hazard Message
National Weather Service Los Angeles/Oxnard CA
836 PM PDT Thu Aug 19 2021

CAZ040-041-087-201200-
/O.CON.KLOX.BH.S.0011.000000T0000Z-210822T0600Z/
Ventura County Coast-
Los Angeles County Coast including Downtown Los Angeles-
Catalina and Santa Barbara Islands-
836 PM PDT Thu Aug 19 2021

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

* WHAT...Dangerous rip currents and breaking waves due to 
  elevated surf of 3 to 6 feet with local sets to 7 feet. Surf 
  will be highest on exposed south facing beaches. Minor tidal 
  overflow is possible near the times of high tides, especially 
  the evening high tides.

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

* WHEN...Through Saturday 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. Pooling of sea water is possible around high tide at
  beach and harbor areas that is uncommon with normal tidal
  ranges. Enhanced beach erosion is also expected.

* TIDES...The next high tides will be around 4.3 foot high tide at
  930 AM PDT Friday morning, then a 6.7 foot high tide at 830 PM 
  PDT Friday evening.

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.

&&

$$

CAZ034-035-201200-
/O.CON.KLOX.BH.S.0011.000000T0000Z-210822T0600Z/
San Luis Obispo County Central Coast-
Santa Barbara County Central Coast-
836 PM PDT Thu Aug 19 2021

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

* WHAT...Dangerous rip currents and breaking waves due to 
  elevated surf of 5 to 8 feet. Minor tidal overflow is possible 
  near the times of the high tides, especially the evening high 
  tides.

* WHERE...San Luis Obispo County Central Coast and Santa Barbara 
  County Central Coast.

* WHEN...Through Saturday 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. Pooling of sea water is possible around high tide at
  beach and harbor areas that is uncommon with normal tidal
  ranges. Enhanced beach erosion is also expected.

* TIDES...The next high tides will be around 4.2 foot high tide at
  1015 AM PDT Friday morning, then a 6.5 foot high tide at 9 PM 
  PDT Friday evening.

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.

&&

$$

Hall
953 
WHUS46 KLOX 201159
CFWLOX

Coastal Hazard Message
National Weather Service Los Angeles/Oxnard CA
459 AM PDT Fri Aug 20 2021

CAZ040-041-087-202000-
/O.CON.KLOX.BH.S.0011.000000T0000Z-210822T0600Z/
Ventura County Coast-
Los Angeles County Coast including Downtown Los Angeles-
Catalina and Santa Barbara Islands-
459 AM PDT Fri Aug 20 2021

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

* WHAT...Dangerous rip currents and breaking waves due to 
  elevated surf of 3 to 6 feet with local sets to 7 feet. Surf 
  will be highest on exposed south facing beaches. Minor tidal 
  overflow is possible near the times of high tides, especially 
  the evening high tides.

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

* WHEN...Through Saturday 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. Pooling of sea water is possible around high tide 
  at beach and harbor areas that is uncommon with normal tidal 
  ranges. Enhanced beach erosion is also expected.

* TIDES...The next high tide will be a 4.3 foot high tide at 930
  AM PDT this morning, followed by a 6.7 foot high tide at 830 PM
  PDT this evening, a 4.5 foot high tide at 10 AM PDT Saturday
  morning, and a 6.7 foot high tide at 915 PM PDT Saturday 
  evening. 

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.

&&

$$

CAZ034-035-202000-
/O.CON.KLOX.BH.S.0011.000000T0000Z-210822T0600Z/
San Luis Obispo County Central Coast-
Santa Barbara County Central Coast-
459 AM PDT Fri Aug 20 2021

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

* WHAT...Dangerous rip currents and breaking waves due to 
  elevated surf of 5 to 8 feet. Minor tidal overflow is possible 
  near the times of the high tides, especially the evening high 
  tides.

* WHERE...San Luis Obispo County Central Coast and Santa Barbara 
  County Central Coast.

* WHEN...Through Saturday 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. Pooling of sea water is possible around high tide 
  at beach and harbor areas that is uncommon with normal tidal 
  ranges. Enhanced beach erosion is also expected.

* TIDES...The next high tides will be a 4.2 foot high tide at 1015
  AM PDT this morning, followed by a 6.5 foot high tide at 9 PM
  PDT this evening, a 4.4 foot high tide at 1050 AM PDT Saturday
  morning, and a 6.4 foot high tide at 950 PM PDT Saturday
  evening. 

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.

&&

$$
125 
WHUS46 KLOX 201954
CFWLOX

Coastal Hazard Message
National Weather Service Los Angeles/Oxnard CA
1254 PM PDT Fri Aug 20 2021

CAZ040-041-087-211200-
/O.CON.KLOX.BH.S.0011.000000T0000Z-210822T0600Z/
Ventura County Coast-
Los Angeles County Coast including Downtown Los Angeles-
Catalina and Santa Barbara Islands-
1254 PM PDT Fri Aug 20 2021

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

* WHAT...Dangerous rip currents and breaking waves due to 
  elevated surf of 3 to 6 feet with local sets to 7 feet. Surf 
  will be highest on exposed south facing beaches. Minor tidal 
  overflow is possible near the times of high tides, especially 
  the evening high tides.

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

* WHEN...Through Saturday 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. Pooling of sea water is possible around high tide at
  beach and harbor areas that is uncommon with normal tidal
  ranges. Enhanced beach erosion is also expected.

* TIDES...A 6.7 foot high tide is expected at 830 PM PDT this
  evening, a 4.5 foot high tide at 10 AM PDT Saturday morning, and 
  a 6.7 foot high tide at 915 PM PDT Saturday evening.

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.

&&

$$

CAZ034-035-211200-
/O.CON.KLOX.BH.S.0011.000000T0000Z-210822T0600Z/
San Luis Obispo County Central Coast-
Santa Barbara County Central Coast-
1254 PM PDT Fri Aug 20 2021

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

* WHAT...Dangerous rip currents and breaking waves due to 
  elevated surf of 5 to 8 feet. Minor tidal overflow is possible 
  near the times of the high tides, especially the evening high 
  tides.

* WHERE...San Luis Obispo County Central Coast and Santa Barbara 
  County Central Coast.

* WHEN...Through Saturday 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. Pooling of sea water is possible around high tide at
  beach and harbor areas that is uncommon with normal tidal
  ranges. Enhanced beach erosion is also expected.

* TIDES...A 6.5 foot high tide is expected at 9 PM PDT this 
  evening, a 4.4 foot high tide at 1050 AM PDT Saturday morning, 
  and a 6.4 foot high tide at 950 PM PDT Saturday evening.

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.

&&

$$
809 
WHUS46 KLOX 211841
CFWLOX

Coastal Hazard Message
National Weather Service Los Angeles/Oxnard CA
1141 AM PDT Sat Aug 21 2021

CAZ040-041-087-220600-
/O.CON.KLOX.BH.S.0011.000000T0000Z-210822T0600Z/
Ventura County Coast-
Los Angeles County Coast including Downtown Los Angeles-
Catalina and Santa Barbara Islands-
1141 AM PDT Sat Aug 21 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. Surf will be highest on exposed south 
  facing beaches. Minor tidal overflow is possible near the times 
  of high tides, especially this evening.

* 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. Pooling of sea water is possible around high tide at
  beach and harbor areas that is uncommon with normal tidal
  ranges. Enhanced beach erosion is also expected.

* TIDES...A 6.7 foot high tide will occur at 915 PM PDT this 
  evening.

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.

&&

$$

CAZ034-035-220600-
/O.CON.KLOX.BH.S.0011.000000T0000Z-210822T0600Z/
San Luis Obispo County Central Coast-
Santa Barbara County Central Coast-
1141 AM PDT Sat Aug 21 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 4 to 7 feet. Minor tidal overflow is possible near the 
  times of the high tides, especially this evening.

* WHERE...San Luis Obispo County Central Coast and Santa Barbara 
  County Central Coast.

* 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. Pooling of sea water is possible around high tide 
  at beach and harbor areas that is uncommon with normal tidal 
  ranges. Enhanced beach erosion is also expected.

* TIDES...A 6.4 foot high tide will occur at 950 PM PDT this 
  evening.

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.

&&

$$

Gomberg/DB

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.