Alert archive / California / High Surf Advisories in 2021
High Surf Advisory 5, NWS Eureka, CA
NWS Eureka, CA issued this high surf advisory at Jan 11, 2021, 2:17 PM PST for Del Norte County, Humboldt County, Mendocino County, California. It took effect at Jan 12, 2021, 7:00 AM PST. It was in force for 23 hr.
The area
The counties it named.
The facts
- Issued
- Jan 11, 2021, 2:17 PM PST (22:17 UTC)
- In effect from
- Jan 12, 2021, 7:00 AM PST
- Expired
- Jan 13, 2021, 6:00 AM PST
- In force
- 23 hr
- Issued by
- NWS Eureka, CA
Counties Del Norte County, CA, Humboldt County, CA, Mendocino County, CA
The radar
The Eureka (Bunker Hill) radar (KBHX), 47 km from the middle of the area, began a volume at 22:17 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
Medford/Jackson, OR (KMFR), launched 12:00Z, 10.3 hours before the alert went out and 210 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
- 685 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 59 m²/s²
- 0-3 km storm-relative helicity
- 200 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
521 WHUS46 KEKA 112217 CFWEKA Coastal Hazard Message National Weather Service Eureka CA 217 PM PST Mon Jan 11 2021 ...High tides and large surf Tuesday... Strong winds, large surf and high tides will bring another round of coastal flooding Tuesday. Large waves may wash over vulnerable coastal roads again. CAZ101-120630- /O.NEW.KEKA.SU.Y.0005.210112T1500Z-210113T1600Z/ /O.NEW.KEKA.CF.Y.0003.210112T1700Z-210112T2000Z/ Coastal Del Norte- 217 PM PST Mon Jan 11 2021 ...HIGH SURF ADVISORY IN EFFECT FROM 7 AM TUESDAY TO 8 AM PST WEDNESDAY... ...COASTAL FLOOD ADVISORY IN EFFECT FROM 9 AM TO NOON PST TUESDAY... * WHAT...For the High Surf Advisory, large breaking waves of 22 to 25. For the Coastal Flood Advisory, High astronomical tides will cause minor flooding in low lying areas along the Redwood Coast. Up to one/one half foot of saltwater inundation above ground level is possible in low lying areas near shorelines and tidal waterways (Between 8.8 and 8.9 feet MLLW at the Crescent City tide gauge). * WHERE...Coastal Del Norte County. * WHEN...For the High Surf Advisory, from 7 AM Tuesday to 8 AM PST Wednesday. For the Coastal Flood Advisory, from 9 AM to noon PST Tuesday. * IMPACTS...Flooding of lots, parks, and roads with only isolated road closures expected. Dangerous surfing conditions and localized beach erosion. Beachcombing is highly discouraged! PRECAUTIONARY/PREPAREDNESS ACTIONS... A Coastal Flood Advisory indicates that onshore winds and tides will combine to generate flooding of low areas along the shore. Feet Above Ground is locally defined as feet above the Highest Astronomical Tide or HAT. Large breaking waves along the coast will lead to increased wave run-up on beaches with waves topping and washing over large rocks and jetties. These large waves can be erratic and unpredictable. Use extra caution near the surf zone as these large waves will be capable of sweeping people into the frigid and turbulent ocean water. Mariners traversing the bar are urged to exercise extreme caution or stay in port until the threat subsides. Please contact the U.S. Coast Guard for information regarding harbor and bar closures. && $$ CAZ103-120630- /O.NEW.KEKA.SU.Y.0005.210112T1500Z-210113T1600Z/ /O.NEW.KEKA.CF.Y.0003.210112T1700Z-210112T2000Z/ Northern Humboldt Coast- 217 PM PST Mon Jan 11 2021 ...HIGH SURF ADVISORY IN EFFECT FROM 7 AM TUESDAY TO 8 AM PST WEDNESDAY... ...COASTAL FLOOD ADVISORY IN EFFECT FROM 9 AM TO NOON PST TUESDAY... * WHAT...For the High Surf Advisory, large breaking waves 22 to 25 feet. For the Coastal Flood Advisory, High astronomical tides will cause minor flooding in low lying areas along the Redwood Coast. Up to one half foot of saltwater inundation above ground level is possible in low lying areas near shorelines and tidal waterways (Between 8.9 and 9.1 feet MLLW at the north spit tide gauge). * WHERE...Northern Humboldt Coast County. * WHEN...For the High Surf Advisory, from 7 AM Tuesday to 8 AM PST Wednesday. For the Coastal Flood Advisory, from 9 AM to noon PST Tuesday. * IMPACTS...Flooding of lots, parks, and roads with only isolated road closures expected. Dangerous surfing conditions and localized beach erosion. Beachcombing is highly discouraged! * ADDITIONAL DETAILS...King Salmon and Jackson Ranch Rd in the Arcata Bottoms may see minor flooding due elevated water levels. New Navy Base Road and Centerville Beach road may see waves break over them again. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Coastal Flood Advisory indicates that onshore winds and tides will combine to generate flooding of low areas along the shore. Feet Above Ground is locally defined as feet above the Highest Astronomical Tide or HAT. Large breaking waves along the coast will lead to increased wave run-up on beaches with waves topping and washing over large rocks and jetties. These large waves can be erratic and unpredictable. Use extra caution near the surf zone as these large waves will be capable of sweeping people into the frigid and turbulent ocean water. Mariners traversing the bar are urged to exercise extreme caution or stay in port until the threat subsides. Please contact the U.S. Coast Guard for information regarding harbor and bar closures. && $$ CAZ104-120630- /O.NEW.KEKA.SU.Y.0005.210112T1500Z-210113T1600Z/ Southwestern Humboldt- 217 PM PST Mon Jan 11 2021 ...HIGH SURF ADVISORY IN EFFECT FROM 7 AM TUESDAY TO 8 AM PST WEDNESDAY... * WHAT...Large breaking waves 22 to 25 feet. * WHERE...Southwestern Humboldt County. * WHEN...From 7 AM Tuesday to 8 AM PST Wednesday.. . * IMPACTS...Dangerous surfing conditions and localized beach erosion. Beachcombing is highly discouraged! PRECAUTIONARY/PREPAREDNESS ACTIONS... Large breaking waves along the coast will lead to increased wave run-up on beaches with waves topping and washing over large rocks and jetties. These large waves can be erratic and unpredictable. Use extra caution near the surf zone as these large waves will be capable of sweeping people into the frigid and turbulent ocean water. Mariners traversing the bar are urged to exercise extreme caution or stay in port until the threat subsides. Please contact the U.S. Coast Guard for information regarding harbor and bar closures. && $$ CAZ109-120630- /O.NEW.KEKA.SU.Y.0005.210112T1800Z-210113T1400Z/ Mendocino Coast- 217 PM PST Mon Jan 11 2021 ...HIGH SURF ADVISORY IN EFFECT FROM 10 AM TUESDAY TO 6 AM PST WEDNESDAY... * WHAT...Large breaking waves 22 to 25. * WHERE...Mendocino Coast County. * WHEN...From 10 AM Tuesday to 6 AM PST Wednesday.. . * IMPACTS...Dangerous surfing conditions and localized beach erosion. Beachcombing is highly discouraged! * ADDITIONAL DETAILS...These breakers may run up into parking lots or on low-lying roads briefly during high tide. PRECAUTIONARY/PREPAREDNESS ACTIONS... Large breaking waves along the coast will lead to increased wave run-up on beaches with waves topping and washing over large rocks and jetties. These large waves can be erratic and unpredictable. Use extra caution near the surf zone as these large waves will be capable of sweeping people into the frigid and turbulent ocean water. Mariners traversing the bar are urged to exercise extreme caution or stay in port until the threat subsides. Please contact the U.S. Coast Guard for information regarding harbor and bar closures. && $$
6 follow-up statements
723 WHUS46 KEKA 120501 CFWEKA Coastal Hazard Message National Weather Service Eureka CA 901 PM PST Mon Jan 11 2021 ...High tides and large surf Tuesday... Strong winds, large surf and high tides will bring another round of coastal flooding Tuesday. Large waves may wash over vulnerable coastal roads again. CAZ101-121315- /O.CON.KEKA.SU.Y.0005.210112T1500Z-210113T1600Z/ /O.CON.KEKA.CF.Y.0003.210112T1700Z-210112T2000Z/ Coastal Del Norte- 901 PM PST Mon Jan 11 2021 ...HIGH SURF ADVISORY REMAINS IN EFFECT FROM 7 AM TUESDAY TO 8 AM PST WEDNESDAY... ...COASTAL FLOOD ADVISORY REMAINS IN EFFECT FROM 9 AM TO NOON PST TUESDAY... * WHAT...For the High Surf Advisory, large breaking waves of 22 to 25. For the Coastal Flood Advisory, High astronomical tides will cause minor flooding in low lying areas along the Redwood Coast. Up to one/one half foot of saltwater inundation above ground level is possible in low lying areas near shorelines and tidal waterways (Between 8.8 and 8.9 feet MLLW at the Crescent City tide gauge). * WHERE...Coastal Del Norte County. * WHEN...For the High Surf Advisory, from 7 AM Tuesday to 8 AM PST Wednesday. For the Coastal Flood Advisory, from 9 AM to noon PST Tuesday. * IMPACTS...Flooding of lots, parks, and roads with only isolated road closures expected. Dangerous surfing conditions and localized beach erosion. Beachcombing is highly discouraged!. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Coastal Flood Advisory indicates that onshore winds and tides will combine to generate flooding of low areas along the shore. Feet Above Ground is locally defined as feet above the Highest Astronomical Tide or HAT. Large breaking waves along the coast will lead to increased wave run-up on beaches with waves topping and washing over large rocks and jetties. These large waves can be erratic and unpredictable. Use extra caution near the surf zone as these large waves will be capable of sweeping people into the frigid and turbulent ocean water. Mariners traversing the bar are urged to exercise extreme caution or stay in port until the threat subsides. Please contact the U.S. Coast Guard for information regarding harbor and bar closures. && $$ CAZ103-121315- /O.CON.KEKA.SU.Y.0005.210112T1500Z-210113T1600Z/ /O.CON.KEKA.CF.Y.0003.210112T1700Z-210112T2000Z/ Northern Humboldt Coast- 901 PM PST Mon Jan 11 2021 ...HIGH SURF ADVISORY REMAINS IN EFFECT FROM 7 AM TUESDAY TO 8 AM PST WEDNESDAY... ...COASTAL FLOOD ADVISORY REMAINS IN EFFECT FROM 9 AM TO NOON PST TUESDAY... * WHAT...For the High Surf Advisory, large breaking waves 22 to 25 feet. For the Coastal Flood Advisory, High astronomical tides will cause minor flooding in low lying areas along the Redwood Coast. Up to one half foot of saltwater inundation above ground level is possible in low lying areas near shorelines and tidal waterways (Between 8.9 and 9.1 feet MLLW at the north spit tide gauge). * WHERE...Northern Humboldt Coast County. * WHEN...For the High Surf Advisory, from 7 AM Tuesday to 8 AM PST Wednesday. For the Coastal Flood Advisory, from 9 AM to noon PST Tuesday. * IMPACTS...Flooding of lots, parks, and roads with only isolated road closures expected. Dangerous surfing conditions and localized beach erosion. Beachcombing is highly discouraged!. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Coastal Flood Advisory indicates that onshore winds and tides will combine to generate flooding of low areas along the shore. Feet Above Ground is locally defined as feet above the Highest Astronomical Tide or HAT. Large breaking waves along the coast will lead to increased wave run-up on beaches with waves topping and washing over large rocks and jetties. These large waves can be erratic and unpredictable. Use extra caution near the surf zone as these large waves will be capable of sweeping people into the frigid and turbulent ocean water. Mariners traversing the bar are urged to exercise extreme caution or stay in port until the threat subsides. Please contact the U.S. Coast Guard for information regarding harbor and bar closures. && $$ CAZ104-121315- /O.CON.KEKA.SU.Y.0005.210112T1500Z-210113T1600Z/ Southwestern Humboldt- 901 PM PST Mon Jan 11 2021 ...HIGH SURF ADVISORY REMAINS IN EFFECT FROM 7 AM TUESDAY TO 8 AM PST WEDNESDAY... * WHAT...Large breaking waves 22 to 25 feet. * WHERE...Southwestern Humboldt County. * WHEN...From 7 AM Tuesday to 8 AM PST Wednesday.. . * IMPACTS...Dangerous surfing conditions and localized beach erosion. Beachcombing is highly discouraged!. PRECAUTIONARY/PREPAREDNESS ACTIONS... Large breaking waves along the coast will lead to increased wave run-up on beaches with waves topping and washing over large rocks and jetties. These large waves can be erratic and unpredictable. Use extra caution near the surf zone as these large waves will be capable of sweeping people into the frigid and turbulent ocean water. Mariners traversing the bar are urged to exercise extreme caution or stay in port until the threat subsides. Please contact the U.S. Coast Guard for information regarding harbor and bar closures. && $$ CAZ109-121315- /O.CON.KEKA.SU.Y.0005.210112T1800Z-210113T1400Z/ Mendocino Coast- 901 PM PST Mon Jan 11 2021 ...HIGH SURF ADVISORY REMAINS IN EFFECT FROM 10 AM TUESDAY TO 6 AM PST WEDNESDAY... * WHAT...Large breaking waves 22 to 25. * WHERE...Mendocino Coast County. * WHEN...From 10 AM Tuesday to 6 AM PST Wednesday.. . * IMPACTS...Dangerous surfing conditions and localized beach erosion. Beachcombing is highly discouraged!. PRECAUTIONARY/PREPAREDNESS ACTIONS... Large breaking waves along the coast will lead to increased wave run-up on beaches with waves topping and washing over large rocks and jetties. These large waves can be erratic and unpredictable. Use extra caution near the surf zone as these large waves will be capable of sweeping people into the frigid and turbulent ocean water. Mariners traversing the bar are urged to exercise extreme caution or stay in port until the threat subsides. Please contact the U.S. Coast Guard for information regarding harbor and bar closures. && $$
313 WHUS46 KEKA 121227 CFWEKA Coastal Hazard Message National Weather Service Eureka CA 427 AM PST Tue Jan 12 2021 ...High tides and large surf today... Strong winds, large surf and high tides will bring another round of coastal flooding today. Large waves may wash over vulnerable coastal roads again. CAZ101-122015- /O.CON.KEKA.SU.Y.0005.210112T1500Z-210113T1600Z/ /O.CON.KEKA.CF.Y.0003.210112T1700Z-210112T2000Z/ Coastal Del Norte- 427 AM PST Tue Jan 12 2021 ...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 8 AM PST WEDNESDAY... ...COASTAL FLOOD ADVISORY REMAINS IN EFFECT FROM 9 AM THIS MORNING TO NOON PST TODAY... * WHAT...For the High Surf Advisory, large breaking waves of 22 to 25. For the Coastal Flood Advisory, High astronomical tides will cause minor flooding in low lying areas along the Redwood Coast. Up to one/one half foot of saltwater inundation above ground level is possible in low lying areas near shorelines and tidal waterways (Between 8.8 and 8.9 feet MLLW at the Crescent City tide gauge). * WHERE...Coastal Del Norte County. * WHEN...For the High Surf Advisory, until 8 AM PST Wednesday. For the Coastal Flood Advisory, from 9 AM this morning to noon PST today.. . * IMPACTS...Flooding of lots, parks, and roads with only isolated road closures expected. Dangerous surfing conditions and localized beach erosion. Beachcombing is highly discouraged!. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Coastal Flood Advisory indicates that onshore winds and tides will combine to generate flooding of low areas along the shore. Feet Above Ground is locally defined as feet above the Highest Astronomical Tide or HAT. Large breaking waves along the coast will lead to increased wave run-up on beaches with waves topping and washing over large rocks and jetties. These large waves can be erratic and unpredictable. Use extra caution near the surf zone as these large waves will be capable of sweeping people into the frigid and turbulent ocean water. Mariners traversing the bar are urged to exercise extreme caution or stay in port until the threat subsides. Please contact the U.S. Coast Guard for information regarding harbor and bar closures. && $$ CAZ103-122015- /O.CON.KEKA.SU.Y.0005.210112T1500Z-210113T1600Z/ /O.CON.KEKA.CF.Y.0003.210112T1700Z-210112T2000Z/ Northern Humboldt Coast- 427 AM PST Tue Jan 12 2021 ...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 8 AM PST WEDNESDAY... ...COASTAL FLOOD ADVISORY REMAINS IN EFFECT FROM 9 AM THIS MORNING TO NOON PST TODAY... * WHAT...For the High Surf Advisory, large breaking waves 22 to 25 feet. For the Coastal Flood Advisory, High astronomical tides will cause minor flooding in low lying areas along the Redwood Coast. Up to one half foot of saltwater inundation above ground level is possible in low lying areas near shorelines and tidal waterways (Between 8.9 and 9.1 feet MLLW at the north spit tide gauge). * WHERE...Northern Humboldt Coast County. * WHEN...For the High Surf Advisory, until 8 AM PST Wednesday. For the Coastal Flood Advisory, from 9 AM this morning to noon PST today.. . * IMPACTS...Flooding of lots, parks, and roads with only isolated road closures expected. Dangerous surfing conditions and localized beach erosion. Beachcombing is highly discouraged!. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Coastal Flood Advisory indicates that onshore winds and tides will combine to generate flooding of low areas along the shore. Feet Above Ground is locally defined as feet above the Highest Astronomical Tide or HAT. Large breaking waves along the coast will lead to increased wave run-up on beaches with waves topping and washing over large rocks and jetties. These large waves can be erratic and unpredictable. Use extra caution near the surf zone as these large waves will be capable of sweeping people into the frigid and turbulent ocean water. Mariners traversing the bar are urged to exercise extreme caution or stay in port until the threat subsides. Please contact the U.S. Coast Guard for information regarding harbor and bar closures. && $$ CAZ104-122015- /O.CON.KEKA.SU.Y.0005.210112T1500Z-210113T1600Z/ Southwestern Humboldt- 427 AM PST Tue Jan 12 2021 ...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 8 AM PST WEDNESDAY... * WHAT...Large breaking waves 22 to 25 feet. * WHERE...Southwestern Humboldt County. * WHEN...Until 8 AM PST Wednesday.. . * IMPACTS...Dangerous surfing conditions and localized beach erosion. Beachcombing is highly discouraged!. PRECAUTIONARY/PREPAREDNESS ACTIONS... Large breaking waves along the coast will lead to increased wave run-up on beaches with waves topping and washing over large rocks and jetties. These large waves can be erratic and unpredictable. Use extra caution near the surf zone as these large waves will be capable of sweeping people into the frigid and turbulent ocean water. Mariners traversing the bar are urged to exercise extreme caution or stay in port until the threat subsides. Please contact the U.S. Coast Guard for information regarding harbor and bar closures. && $$ CAZ109-122015- /O.CON.KEKA.SU.Y.0005.210112T1800Z-210113T1400Z/ Mendocino Coast- 427 AM PST Tue Jan 12 2021 ...HIGH SURF ADVISORY REMAINS IN EFFECT FROM 10 AM THIS MORNING TO 6 AM PST WEDNESDAY... * WHAT...Large breaking waves 22 to 25. * WHERE...Mendocino Coast County. * WHEN...From 10 AM this morning to 6 AM PST Wednesday.. . * IMPACTS...Dangerous surfing conditions and localized beach erosion. Beachcombing is highly discouraged!. PRECAUTIONARY/PREPAREDNESS ACTIONS... Large breaking waves along the coast will lead to increased wave run-up on beaches with waves topping and washing over large rocks and jetties. These large waves can be erratic and unpredictable. Use extra caution near the surf zone as these large waves will be capable of sweeping people into the frigid and turbulent ocean water. Mariners traversing the bar are urged to exercise extreme caution or stay in port until the threat subsides. Please contact the U.S. Coast Guard for information regarding harbor and bar closures. && $$
591 WHUS46 KEKA 122003 CFWEKA Coastal Hazard Message National Weather Service Eureka CA 1203 PM PST Tue Jan 12 2021 CAZ101-103-130415- /O.EXP.KEKA.CF.Y.0003.000000T0000Z-210112T2000Z/ /O.CON.KEKA.SU.Y.0005.000000T0000Z-210113T1600Z/ Coastal Del Norte-Northern Humboldt Coast- 1203 PM PST Tue Jan 12 2021 ...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 8 AM WEDNESDAY... ...COASTAL FLOOD ADVISORY HAS EXPIRED... * WHAT...Large breaking waves 22 to 25 feet. * WHERE...Coastal Del Norte County. * WHEN...Until 8 AM Wednesday. * IMPACTS...Dangerous surfing conditions and localized beach erosion. Beachcombing is highly discouraged! PRECAUTIONARY/PREPAREDNESS ACTIONS... Large breaking waves along the coast will lead to increased wave run-up on beaches with waves topping and washing over large rocks and jetties. These large waves can be erratic and unpredictable. Use extra caution near the surf zone as these large waves will be capable of sweeping people into the frigid and turbulent ocean water. Mariners traversing the bar are urged to exercise extreme caution or stay in port until the threat subsides. Please contact the U.S. Coast Guard for information regarding harbor and bar closures. $$ CAZ104-130415- /O.CON.KEKA.SU.Y.0005.000000T0000Z-210113T1600Z/ Southwestern Humboldt- 1203 PM PST Tue Jan 12 2021 ...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 8 AM WEDNESDAY... * WHAT...Large breaking waves 22 to 25 feet. * WHERE...Southwestern Humboldt County. * WHEN...Until 8 AM Wednesday. * IMPACTS...Dangerous surfing conditions and localized beach erosion. Beachcombing is highly discouraged! PRECAUTIONARY/PREPAREDNESS ACTIONS... Large breaking waves along the coast will lead to increased wave run-up on beaches with waves topping and washing over large rocks and jetties. These large waves can be erratic and unpredictable. Use extra caution near the surf zone as these large waves will be capable of sweeping people into the frigid and turbulent ocean water. Mariners traversing the bar are urged to exercise extreme caution or stay in port until the threat subsides. Please contact the U.S. Coast Guard for information regarding harbor and bar closures. $$ CAZ109-130415- /O.CON.KEKA.SU.Y.0005.000000T0000Z-210113T1400Z/ Mendocino Coast- 1203 PM PST Tue Jan 12 2021 ...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 6 AM WEDNESDAY... * WHAT...Large breaking waves 22 to 25 feet. * WHERE...Mendocino Coast County. * WHEN...Until 6 AM Wednesday. * IMPACTS...Dangerous surfing conditions and localized beach erosion. Beachcombing is highly discouraged! PRECAUTIONARY/PREPAREDNESS ACTIONS... Large breaking waves along the coast will lead to increased wave run-up on beaches with waves topping and washing over large rocks and jetties. These large waves can be erratic and unpredictable. Use extra caution near the surf zone as these large waves will be capable of sweeping people into the frigid and turbulent ocean water. Mariners traversing the bar are urged to exercise extreme caution or stay in port until the threat subsides. Please contact the U.S. Coast Guard for information regarding harbor and bar closures. $$
934 WHUS46 KEKA 130401 CFWEKA Coastal Hazard Message National Weather Service Eureka CA 801 PM PST Tue Jan 12 2021 CAZ101-103-104-131215- /O.CON.KEKA.SU.Y.0005.000000T0000Z-210113T1600Z/ Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt- 801 PM PST Tue Jan 12 2021 ...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 8 AM PST WEDNESDAY... * WHAT...Large breaking waves 22 to 25 feet. * WHERE...Coastal Del Norte County. * WHEN...Until 8 AM Wednesday. * IMPACTS...Dangerous surfing conditions and localized beach erosion. Beachcombing is highly discouraged!. PRECAUTIONARY/PREPAREDNESS ACTIONS... Large breaking waves along the coast will lead to increased wave run-up on beaches with waves topping and washing over large rocks and jetties. These large waves can be erratic and unpredictable. Use extra caution near the surf zone as these large waves will be capable of sweeping people into the frigid and turbulent ocean water. Mariners traversing the bar are urged to exercise extreme caution or stay in port until the threat subsides. Please contact the U.S. Coast Guard for information regarding harbor and bar closures. && $$ CAZ109-131215- /O.CON.KEKA.SU.Y.0005.000000T0000Z-210113T1400Z/ Mendocino Coast- 801 PM PST Tue Jan 12 2021 ...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 6 AM PST WEDNESDAY... * WHAT...Large breaking waves 22 to 25 feet. * WHERE...Mendocino Coast County. * WHEN...Until 6 AM Wednesday. * IMPACTS...Dangerous surfing conditions and localized beach erosion. Beachcombing is highly discouraged!. PRECAUTIONARY/PREPAREDNESS ACTIONS... Large breaking waves along the coast will lead to increased wave run-up on beaches with waves topping and washing over large rocks and jetties. These large waves can be erratic and unpredictable. Use extra caution near the surf zone as these large waves will be capable of sweeping people into the frigid and turbulent ocean water. Mariners traversing the bar are urged to exercise extreme caution or stay in port until the threat subsides. Please contact the U.S. Coast Guard for information regarding harbor and bar closures. && $$
782 WHUS46 KEKA 130937 CFWEKA Coastal Hazard Message National Weather Service Eureka CA 137 AM PST Wed Jan 13 2021 CAZ101-103-104-131600- /O.CON.KEKA.SU.Y.0005.000000T0000Z-210113T1600Z/ Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt- 137 AM PST Wed Jan 13 2021 ...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 8 AM PST THIS MORNING... * WHAT...Large breaking waves 22 to 25 feet. * WHERE...Coastal Del Norte County. * WHEN...Until 8 AM Wednesday. * IMPACTS...Dangerous surfing conditions and localized beach erosion. Beachcombing is highly discouraged!. PRECAUTIONARY/PREPAREDNESS ACTIONS... Large breaking waves along the coast will lead to increased wave run-up on beaches with waves topping and washing over large rocks and jetties. These large waves can be erratic and unpredictable. Use extra caution near the surf zone as these large waves will be capable of sweeping people into the frigid and turbulent ocean water. Mariners traversing the bar are urged to exercise extreme caution or stay in port until the threat subsides. Please contact the U.S. Coast Guard for information regarding harbor and bar closures. && $$ CAZ109-131400- /O.CON.KEKA.SU.Y.0005.000000T0000Z-210113T1400Z/ Mendocino Coast- 137 AM PST Wed Jan 13 2021 ...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 6 AM PST EARLY THIS MORNING... * WHAT...Large breaking waves 22 to 25 feet. * WHERE...Mendocino Coast County. * WHEN...Until 6 AM Wednesday. * IMPACTS...Dangerous surfing conditions and localized beach erosion. Beachcombing is highly discouraged!. PRECAUTIONARY/PREPAREDNESS ACTIONS... Large breaking waves along the coast will lead to increased wave run-up on beaches with waves topping and washing over large rocks and jetties. These large waves can be erratic and unpredictable. Use extra caution near the surf zone as these large waves will be capable of sweeping people into the frigid and turbulent ocean water. Mariners traversing the bar are urged to exercise extreme caution or stay in port until the threat subsides. Please contact the U.S. Coast Guard for information regarding harbor and bar closures. && $$
869 WHUS46 KEKA 131350 CFWEKA Coastal Hazard Message National Weather Service Eureka CA 550 AM PST Wed Jan 13 2021 CAZ101-103-104-131500- /O.CAN.KEKA.SU.Y.0005.000000T0000Z-210113T1600Z/ Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt- 550 AM PST Wed Jan 13 2021 ...HIGH SURF ADVISORY IS CANCELLED... Large surf will continue to diminish this morning. $$ CAZ109-131500- /O.EXP.KEKA.SU.Y.0005.000000T0000Z-210113T1400Z/ Mendocino Coast- 550 AM PST Wed Jan 13 2021 ...HIGH SURF ADVISORY WILL EXPIRE AT 6 AM PST EARLY THIS MORNING... $$
The office that day
Everything else NWS Eureka, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 10, 8:53 PM PST | Small Craft Advisory | EKA | 36 hr | |
| Jan 11, 2:03 AM PST | Gale Warning | EKA | 49 hr | |
| Jan 11, 2:03 AM PST | Hazardous Seas Watch | EKA | 12 hr | |
| Jan 11, 5:42 AM PST | Wind Advisory | EKA | Del Norte, Humboldt | 39 hr |
| Jan 11, 1:24 PM PST | Flood Watch | EKA | Del Norte | 43 hr |
| Jan 11, 2:17 PM PST | Coastal Flood Advisory | EKA | Del Norte, Humboldt | 22 hr |
| Jan 11, 2:19 PM PST | Hazardous Seas Warning | EKA | 37 hr |
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.