Alert archive / California / High Surf Advisories in 2021
High Surf Advisory 1, NWS San Diego, CA
NWS San Diego, CA issued this high surf advisory at Jan 16, 2021, 1:39 AM PST for San Diego County, California. It took effect at Jan 16, 2021, 4:00 PM PST. It was in force for 3 days.
The area
The counties it named.
The facts
- Issued
- Jan 16, 2021, 1:39 AM PST (09:39 UTC)
- In effect from
- Jan 16, 2021, 4:00 PM PST
- Expired
- Jan 19, 2021, 5:00 PM PST
- In force
- 3 days
- Issued by
- NWS San Diego, CA
County San Diego County, CA
The radar
The San Diego radar (KNKX), 28 km from the middle of the area, began a volume at 09:37 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, 9.7 hours before the alert went out and 47 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 4795 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 33 m²/s²
- 0-3 km storm-relative helicity
- 18 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
383 WHUS46 KSGX 160939 CFWSGX Coastal Hazard Message National Weather Service San Diego CA 139 AM PST Sat Jan 16 2021 CAZ043-162100- /O.CAN.KSGX.BH.S.0001.000000T0000Z-210120T0100Z/ /O.NEW.KSGX.SU.Y.0001.210117T0000Z-210120T0100Z/ San Diego County Coastal Areas- 139 AM PST Sat Jan 16 2021 ...HIGH SURF ADVISORY IN EFFECT FROM 4 PM THIS AFTERNOON TO 5 PM PST TUESDAY... ...BEACH HAZARDS STATEMENT IS CANCELLED... The National Weather Service in San Diego has issued a High Surf Advisory...which is in effect from 4 PM this afternoon to 5 PM PST Tuesday. The Beach Hazards Statement has been cancelled. * Waves and Surf...4 to 7 feet, with sets to 8 feet. Sets to 10 feet possible from La Jolla southward. * Timing...Through Tuesday. * Impacts...Dangerous swimming conditions and strong rip currents. PRECAUTIONARY/PREPAREDNESS ACTIONS... A High Surf Advisory means that high surf will affect beaches in the advisory area...producing localized beach erosion and dangerous swimming conditions. && $$ CAZ552-162100- /O.CON.KSGX.BH.S.0001.000000T0000Z-210120T0100Z/ Orange County Coastal Areas- 139 AM PST Sat Jan 16 2021 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH TUESDAY AFTERNOON... * Waves and Surf...3 to 6 feet with local sets to 7 feet. * Timing...Through Tuesday. * Impacts...Dangerous swimming conditions and strong rip currents. PRECAUTIONARY/PREPAREDNESS ACTIONS... A beach hazards statement is issued when threats such as strong rip currents...elevated surf heights...minor tidal overflow...or lightning are possible at local beaches. Obey posted warning signs and flags and talk to a lifeguard before swimming. Use caution when in or near the water and always swim near a lifeguard. && $$ Connolly https://www.weather.gov/sandiego
11 follow-up statements
725 WHUS46 KSGX 160943 CCA CFWSGX Coastal Hazard Message...CORRECTED National Weather Service San Diego CA 143 AM PST Sat Jan 16 2021 CAZ043-162100- /O.CAN.KSGX.BH.S.0001.000000T0000Z-210120T0100Z/ /O.COR.KSGX.SU.Y.0001.210117T0000Z-210120T0100Z/ San Diego County Coastal Areas- 143 AM PST Sat Jan 16 2021 ...HIGH SURF ADVISORY IN EFFECT FROM 4 PM THIS AFTERNOON TO 5 PM PST TUESDAY... ...BEACH HAZARDS STATEMENT IS CANCELLED... The National Weather Service in San Diego has issued a High Surf Advisory...which is in effect from 4 PM this afternoon to 5 PM PST Tuesday. The Beach Hazards Statement has been cancelled. * Waves and Surf...4 to 7 feet, with sets to 8 feet. Sets to 10 feet possible from La Jolla southward. * Timing...4 PM this afternoon through 5 PM Tuesday. * Impacts...Dangerous swimming conditions and strong rip currents. PRECAUTIONARY/PREPAREDNESS ACTIONS... A High Surf Advisory means that high surf will affect beaches in the advisory area...producing localized beach erosion and dangerous swimming conditions. && $$ CAZ552-162100- /O.COR.KSGX.BH.S.0001.000000T0000Z-210120T0100Z/ Orange County Coastal Areas- 143 AM PST Sat Jan 16 2021 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH TUESDAY AFTERNOON... * Waves and Surf...3 to 6 feet with local sets to 7 feet. * Timing...Through Tuesday afternoon. * Impacts...Dangerous swimming conditions and strong rip currents. PRECAUTIONARY/PREPAREDNESS ACTIONS... A beach hazards statement is issued when threats such as strong rip currents...elevated surf heights...minor tidal overflow...or lightning are possible at local beaches. Obey posted warning signs and flags and talk to a lifeguard before swimming. Use caution when in or near the water and always swim near a lifeguard. && $$ Connolly https://www.weather.gov/sandiego
610 WHUS46 KSGX 162009 CFWSGX Coastal Hazard Message National Weather Service San Diego CA 1209 PM PST Sat Jan 16 2021 CAZ043-170600- /O.CON.KSGX.SU.Y.0001.210117T0000Z-210120T0100Z/ San Diego County Coastal Areas- 1209 PM PST Sat Jan 16 2021 ...HIGH SURF ADVISORY REMAINS IN EFFECT FROM 4 PM THIS AFTERNOON TO 5 PM PST TUESDAY... * Waves and Surf...4 to 7 feet, with sets to 8 feet. Sets to 10 feet probable from La Jolla southward. * Timing...4 PM this afternoon through 5 PM Tuesday. Surf will be highest on Sunday and Tuesday. * Impacts...Dangerous swimming conditions and strong rip currents. PRECAUTIONARY/PREPAREDNESS ACTIONS... A High Surf Advisory means that high surf will affect beaches in the advisory area...producing localized beach erosion and dangerous swimming conditions. && $$ CAZ552-170600- /O.CON.KSGX.BH.S.0001.000000T0000Z-210120T0100Z/ Orange County Coastal Areas- 1209 PM PST Sat Jan 16 2021 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH TUESDAY AFTERNOON... * Waves and Surf...3 to 6 feet with local sets to 7 feet. * Timing...Through Tuesday afternoon. Surf will be highest on Sunday and Tuesday. * Impacts...Dangerous swimming conditions and strong rip currents. PRECAUTIONARY/PREPAREDNESS ACTIONS... A beach hazards statement is issued when threats such as strong rip currents...elevated surf heights...minor tidal overflow...or lightning are possible at local beaches. Obey posted warning signs and flags and talk to a lifeguard before swimming. Use caution when in or near the water and always swim near a lifeguard. && $$ https://www.weather.gov/sandiego
645 WHUS46 KSGX 170527 CFWSGX Coastal Hazard Message National Weather Service San Diego CA 927 PM PST Sat Jan 16 2021 CAZ043-171400- /O.CON.KSGX.SU.Y.0001.000000T0000Z-210120T0100Z/ San Diego County Coastal Areas- 927 PM PST Sat Jan 16 2021 ...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 5 PM PST TUESDAY... * Waves and Surf...4 to 7 feet with sets to 8 feet. Local sets to 10 feet from La Jolla southward. * Timing...Through 5 PM Tuesday. Surf will be highest on Sunday and Tuesday. * Impacts...Dangerous swimming conditions and strong rip currents. PRECAUTIONARY/PREPAREDNESS ACTIONS... A High Surf Advisory means that high surf will affect beaches in the advisory area...producing localized beach erosion and dangerous swimming conditions. && $$ CAZ552-171400- /O.CON.KSGX.BH.S.0001.000000T0000Z-210120T0100Z/ Orange County Coastal Areas- 927 PM PST Sat Jan 16 2021 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH TUESDAY AFTERNOON... * Waves and Surf...3 to 6 feet with local sets to 7 feet. * Timing...Through Tuesday afternoon. Surf will be highest on Sunday and Tuesday. * Impacts...Dangerous swimming conditions and strong rip currents. PRECAUTIONARY/PREPAREDNESS ACTIONS... A beach hazards statement is issued when threats such as strong rip currents...elevated surf heights...minor tidal overflow...or lightning are possible at local beaches. Obey posted warning signs and flags and talk to a lifeguard before swimming. Use caution when in or near the water and always swim near a lifeguard. && $$ SS https://www.weather.gov/sandiego
405 WHUS46 KSGX 171256 CFWSGX Coastal Hazard Message National Weather Service San Diego CA 456 AM PST Sun Jan 17 2021 CAZ043-172200- /O.CON.KSGX.SU.Y.0001.000000T0000Z-210120T0100Z/ San Diego County Coastal Areas- 456 AM PST Sun Jan 17 2021 ...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 5 PM PST TUESDAY... * Waves and Surf...4 to 7 feet with sets to 8 feet. Local sets to 10 feet from La Jolla southward. * Timing...Through 5 PM Tuesday. Surf will be highest today and Tuesday. * Impacts...Dangerous swimming conditions and strong rip currents. PRECAUTIONARY/PREPAREDNESS ACTIONS... A High Surf Advisory means that high surf will affect beaches in the advisory area...producing localized beach erosion and dangerous swimming conditions. && $$ CAZ552-172200- /O.CON.KSGX.BH.S.0001.000000T0000Z-210120T0100Z/ Orange County Coastal Areas- 456 AM PST Sun Jan 17 2021 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH TUESDAY AFTERNOON... * Waves and Surf...3 to 6 feet with local sets to 7 feet. * Timing...Through Tuesday afternoon. Surf will be highest today and Tuesday. * Impacts...Dangerous swimming conditions and strong rip currents. PRECAUTIONARY/PREPAREDNESS ACTIONS... A beach hazards statement is issued when threats such as strong rip currents...elevated surf heights...minor tidal overflow...or lightning are possible at local beaches. Obey posted warning signs and flags and talk to a lifeguard before swimming. Use caution when in or near the water and always swim near a lifeguard. && $$ https://www.weather.gov/sandiego
239 WHUS46 KSGX 172008 CFWSGX Coastal Hazard Message National Weather Service San Diego CA 1208 PM PST Sun Jan 17 2021 CAZ043-180600- /O.CON.KSGX.SU.Y.0001.000000T0000Z-210120T0100Z/ San Diego County Coastal Areas- 1208 PM PST Sun Jan 17 2021 ...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 5 PM PST TUESDAY... * Waves and Surf...4 to 7 feet with sets to 8 feet. Local sets to 10 feet south of La Jolla. * Timing...Through 5 PM Tuesday. Surf will be highest today and Tuesday. * Impacts...Dangerous swimming conditions and strong rip currents. PRECAUTIONARY/PREPAREDNESS ACTIONS... A High Surf Advisory means that high surf will affect beaches in the advisory area...producing localized beach erosion and dangerous swimming conditions. && $$ CAZ552-180600- /O.CON.KSGX.BH.S.0001.000000T0000Z-210120T0100Z/ Orange County Coastal Areas- 1208 PM PST Sun Jan 17 2021 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH TUESDAY AFTERNOON... * Waves and Surf...3 to 6 feet with local sets to 7 feet. * Timing...Through Tuesday afternoon. Surf will be highest today and Tuesday. * Impacts...Dangerous swimming conditions and strong rip currents. PRECAUTIONARY/PREPAREDNESS ACTIONS... A beach hazards statement is issued when threats such as strong rip currents...elevated surf heights...minor tidal overflow...or lightning are possible at local beaches. Obey posted warning signs and flags and talk to a lifeguard before swimming. Use caution when in or near the water and always swim near a lifeguard. && $$ https://www.weather.gov/sandiego
947 WHUS46 KSGX 180528 CFWSGX Coastal Hazard Message National Weather Service San Diego CA 928 PM PST Sun Jan 17 2021 CAZ043-181400- /O.CON.KSGX.SU.Y.0001.000000T0000Z-210120T0100Z/ San Diego County Coastal Areas- 928 PM PST Sun Jan 17 2021 ...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 5 PM PST TUESDAY... * Waves and Surf...4 to 7 feet with sets to 8 feet. Local sets to 10 feet south of La Jolla. * Timing...Through 5 PM Tuesday. Surf will be highest late Monday and Tuesday. * Impacts...Dangerous swimming conditions and strong rip currents. PRECAUTIONARY/PREPAREDNESS ACTIONS... A High Surf Advisory means that high surf will affect beaches in the advisory area...producing localized beach erosion and dangerous swimming conditions. && $$ CAZ552-181400- /O.CON.KSGX.BH.S.0001.000000T0000Z-210120T0100Z/ Orange County Coastal Areas- 928 PM PST Sun Jan 17 2021 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH TUESDAY AFTERNOON... * Waves and Surf...3 to 6 feet with local sets to 7 feet. * Timing...Through Tuesday afternoon. Surf will be highest late Monday and Tuesday. * Impacts...Dangerous swimming conditions and strong rip currents. PRECAUTIONARY/PREPAREDNESS ACTIONS... A beach hazards statement is issued when threats such as strong rip currents...elevated surf heights...minor tidal overflow...or lightning are possible at local beaches. Obey posted warning signs and flags and talk to a lifeguard before swimming. Use caution when in or near the water and always swim near a lifeguard. && $$ SS https://www.weather.gov/sandiego
074 WHUS46 KSGX 181005 CFWSGX Coastal Hazard Message National Weather Service San Diego CA 205 AM PST Mon Jan 18 2021 CAZ043-182230- /O.CON.KSGX.SU.Y.0001.000000T0000Z-210120T0100Z/ San Diego County Coastal Areas- 205 AM PST Mon Jan 18 2021 ...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 5 PM PST TUESDAY... * Waves and Surf...4 to 7 feet. Sets 8 to 10 feet south county. * Timing...Through 5 PM Tuesday. * Impacts...Dangerous swimming conditions and strong rip currents. PRECAUTIONARY/PREPAREDNESS ACTIONS... A High Surf Advisory means that high surf will affect beaches in the advisory area...producing localized beach erosion and dangerous swimming conditions. && $$ CAZ552-182230- /O.CON.KSGX.BH.S.0001.000000T0000Z-210120T0100Z/ Orange County Coastal Areas- 205 AM PST Mon Jan 18 2021 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH TUESDAY AFTERNOON... * Waves and Surf...3 to 5 feet. Sets to 7 feet. * Timing...Through 5 PM Tuesday. * Impacts...Dangerous swimming conditions and strong rip currents. PRECAUTIONARY/PREPAREDNESS ACTIONS... A beach hazards statement is issued when threats such as strong rip currents...elevated surf heights...minor tidal overflow...or lightning are possible at local beaches. Obey posted warning signs and flags and talk to a lifeguard before swimming. Use caution when in or near the water and always swim near a lifeguard. && $$
393 WHUS46 KSGX 182030 CFWSGX Coastal Hazard Message National Weather Service San Diego CA 1230 PM PST Mon Jan 18 2021 CAZ043-190600- /O.CON.KSGX.SU.Y.0001.000000T0000Z-210120T0100Z/ San Diego County Coastal Areas- 1230 PM PST Mon Jan 18 2021 ...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 5 PM PST TUESDAY... * Waves and Surf...4 to 7 feet. Sets 8 to 10 feet south of La Jolla. * Timing...Through 5 PM Tuesday. Highest surf this evening through Tuesday morning. * Impacts...Dangerous swimming conditions and strong rip currents. PRECAUTIONARY/PREPAREDNESS ACTIONS... A High Surf Advisory means that high surf will affect beaches in the advisory area...producing localized beach erosion and dangerous swimming conditions. && $$ CAZ552-190600- /O.CON.KSGX.BH.S.0001.000000T0000Z-210120T0100Z/ Orange County Coastal Areas- 1230 PM PST Mon Jan 18 2021 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH TUESDAY AFTERNOON... * Waves and Surf...3 to 5 feet. Sets to 7 feet. * Timing...Through 5 PM Tuesday. Highest sets this evening through Tuesday morning. * Impacts...Dangerous swimming conditions and strong rip currents. PRECAUTIONARY/PREPAREDNESS ACTIONS... A beach hazards statement is issued when threats such as strong rip currents...elevated surf heights...minor tidal overflow...or lightning are possible at local beaches. Obey posted warning signs and flags and talk to a lifeguard before swimming. Use caution when in or near the water and always swim near a lifeguard. && $$ https://www.weather.gov/sandiego
733 WHUS46 KSGX 190542 CFWSGX Coastal Hazard Message National Weather Service San Diego CA 942 PM PST Mon Jan 18 2021 CAZ043-191345- /O.CON.KSGX.SU.Y.0001.000000T0000Z-210120T0100Z/ San Diego County Coastal Areas- 942 PM PST Mon Jan 18 2021 ...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 5 PM PST TUESDAY... * Waves and Surf...4 to 7 feet. Sets 8 to 10 feet south of La Jolla. * Timing...Through 5 PM Tuesday. Highest surf through Tuesday morning, then gradually decreasing Tuesday midday and afternoon. * Impacts...Dangerous swimming conditions and strong rip currents. PRECAUTIONARY/PREPAREDNESS ACTIONS... A High Surf Advisory means that high surf will affect beaches in the advisory area...producing localized beach erosion and dangerous swimming conditions. && $$ CAZ552-191345- /O.CON.KSGX.BH.S.0001.000000T0000Z-210120T0100Z/ Orange County Coastal Areas- 942 PM PST Mon Jan 18 2021 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH TUESDAY AFTERNOON... * Waves and Surf...3 to 5 feet. Sets to 7 feet. * Timing...Through 5 PM Tuesday. Highest sets through Tuesday morning, then gradually decreasing Tuesday midday and afternoon. * Impacts...Dangerous swimming conditions and strong rip currents. PRECAUTIONARY/PREPAREDNESS ACTIONS... A beach hazards statement is issued when threats such as strong rip currents...elevated surf heights...minor tidal overflow...or lightning are possible at local beaches. Obey posted warning signs and flags and talk to a lifeguard before swimming. Use caution when in or near the water and always swim near a lifeguard. && $$ Maxwell
755 WHUS46 KSGX 190920 CFWSGX Coastal Hazard Message National Weather Service San Diego CA 120 AM PST Tue Jan 19 2021 CAZ043-192200- /O.CON.KSGX.SU.Y.0001.000000T0000Z-210120T0100Z/ San Diego County Coastal Areas- 120 AM PST Tue Jan 19 2021 ...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 5 PM PST THIS AFTERNOON... * Waves and Surf...4 to 7 feet. Sets 8 to 10 feet south of La Jolla. * Timing...Through 5 PM today. Highest surf this morning, gradually decreasing this afternoon. * Impacts...Dangerous swimming conditions and strong rip currents. PRECAUTIONARY/PREPAREDNESS ACTIONS... A High Surf Advisory means that high surf will affect beaches in the advisory area...producing localized beach erosion and dangerous swimming conditions. && $$ CAZ552-192200- /O.CON.KSGX.BH.S.0001.000000T0000Z-210120T0100Z/ Orange County Coastal Areas- 120 AM PST Tue Jan 19 2021 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH THIS AFTERNOON... * Waves and Surf...3 to 5 feet. Sets to 7 feet. * Timing...Through 5 PM today. Highest surf this morning, gradually decreasing this afternoon. * Impacts...Dangerous swimming conditions and strong rip currents. PRECAUTIONARY/PREPAREDNESS ACTIONS... A beach hazards statement is issued when threats such as strong rip currents...elevated surf heights...minor tidal overflow...or lightning are possible at local beaches. Obey posted warning signs and flags and talk to a lifeguard before swimming. Use caution when in or near the water and always swim near a lifeguard. && $$
534 WHUS46 KSGX 192120 CFWSGX Coastal Hazard Message National Weather Service San Diego CA 120 PM PST Tue Jan 19 2021 CAZ043-200100- /O.CON.KSGX.SU.Y.0001.000000T0000Z-210120T0100Z/ San Diego County Coastal Areas- 120 PM PST Tue Jan 19 2021 ...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 5 PM PST THIS AFTERNOON... * Waves and Surf...4 to 7 feet. Sets to 8 feet south of La Jolla. * Timing...Through 5 PM today. Surf will decrease through this evening. * Impacts...Dangerous swimming conditions and strong rip currents. PRECAUTIONARY/PREPAREDNESS ACTIONS... A High Surf Advisory means that high surf will affect beaches in the advisory area...producing localized beach erosion and dangerous swimming conditions. && $$ CAZ552-200100- /O.CON.KSGX.BH.S.0001.000000T0000Z-210120T0100Z/ Orange County Coastal Areas- 120 PM PST Tue Jan 19 2021 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 5 PM PST THIS AFTERNOON... * Waves and Surf...3 to 5 feet. Sets to 7 feet. * Timing...Through 5 PM today. Surf will decrease through this evening. * Impacts...Dangerous swimming conditions and strong rip currents. PRECAUTIONARY/PREPAREDNESS ACTIONS... A beach hazards statement is issued when threats such as strong rip currents...elevated surf heights...minor tidal overflow...or lightning are possible at local beaches. Obey posted warning signs and flags and talk to a lifeguard before swimming. Use caution when in or near the water and always swim near a lifeguard. && $$ Schenk https://www.weather.gov/sandiego
Nearby
High Surf Advisories in California, 2021Every high surf advisory 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.