Alert archive / California / High Surf Warnings in 2021
High Surf Warning 2, NWS Eureka, CA
NWS Eureka, CA issued this high surf warning at Oct 22, 2021, 9:02 PM PDT for Del Norte County, Humboldt County, Mendocino County, California. It took effect at Oct 24, 2021, 5:00 PM PDT. It was in force for 24 hr. 5 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Oct 22, 2021, 9:02 PM PDT (04:02 UTC)
- In effect from
- Oct 24, 2021, 5:00 PM PDT
- Expired
- Oct 25, 2021, 5:29 PM PDT
- In force
- 24 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 04:02 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Oct 24, 5:00 PM PDT | HEAVY RAIN 4.89 | 2 W Talmage, CA | UKIAH ASOS REPORTS A 24-HOUR TOTAL FROM 5 P.M. ON 10/23 TO 5 P.M. ON 10/24 OF 4.89 INCHES. |
| Oct 24, 5:32 PM PDT | HEAVY RAIN 5.95 | 2 Ssw Manchester, CA | STATE ROUTE 1 CLOSED AT THE GARCIA RIVER DUE TO FLOODING. CLOSET OBSERVATION SEVERAL MILES INLAND HAD AN OBSERVED 24-HOUR TOTAL RAINFALL OF 5.95 INCHES ENDING AT 5 P.M. |
| Oct 24, 6:40 PM PDT | NON-TSTM WND GST 65 | 3 Wsw Ft Seward, CA | CORRECTS PREVIOUS NON-TSTM WND GST REPORT FROM 3 WSW FT SEWARD FOR SOURCE. WIND GUST OF 65 MPH RECORDED AT 6:40 A.M. AT FT SEWARD 3.3W PG&E SITE. |
| Oct 24, 6:40 PM PDT | NON-TSTM WND GST 65 | 3 Wsw Ft Seward, CA | WIND GUST OF 65 MPH RECORDED AT 6:40 A.M. AT FT SEWARD 3.3W PG&E SITE. |
| Oct 24, 7:34 PM PDT | NON-TSTM WND GST 62 | 9 Ne Leggett, CA | WIND GUST OF 62 MPH RECORDED AT BELL SPRINGS PG&E SITE AT 6:40 A.M. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Medford/Jackson, OR (KMFR), launched 00:00Z, 4.0 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
- 9 J/kg
- Mixed-layer CIN
- -12 J/kg
- Mixed-layer LCL
- 1228 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 41 m²/s²
- 0-3 km storm-relative helicity
- 122 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
725 WHUS46 KEKA 230402 CFWEKA Coastal Hazard Message National Weather Service Eureka CA 902 PM PDT Fri Oct 22 2021 CAZ101-103-104-231130- /O.NEW.KEKA.SU.W.0002.211025T0400Z-211026T0400Z/ Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt- 902 PM PDT Fri Oct 22 2021 ...HIGH SURF WARNING IN EFFECT FROM 9 PM SUNDAY TO 9 PM PDT MONDAY... * WHAT...Dangerously large breaking waves up to 30 feet. * WHERE...Coastal Del Norte, Northern Humboldt Coast and Southwestern Humboldt Counties. * WHEN...From 9 PM Sunday to 9 PM PDT Monday.. . * IMPACTS...Breaking waves can sweep people off jetties and docks, and into dangerous seas. Life-threatening surfing conditions and significant beach erosion can be expected. 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. && $$ CAZ109-231130- /O.NEW.KEKA.SU.Y.0006.211025T0400Z-211026T0400Z/ Mendocino Coast- 902 PM PDT Fri Oct 22 2021 ...HIGH SURF ADVISORY IN EFFECT FROM 9 PM SUNDAY TO 9 PM PDT MONDAY... * WHAT...Large breaking waves up to 25 feet. * WHERE...Mendocino Coast County. * WHEN...From 9 PM Sunday to 9 PM PDT Monday.. . * IMPACTS...Dangerous surfing conditions and localized beach erosion. Beachcombing is highly discouraged! PRECAUTIONARY/PREPAREDNESS ACTIONS... Large breaking waves along the coast will lead to increased wave run-up on beaches with waves topping and washing over large rocks and jetties. These large waves can be erratic and unpredictable. Use extra caution near the surf zone as these large waves will be capable of sweeping people into the frigid and turbulent ocean water. Mariners traversing the bar are urged to exercise extreme caution or stay in port until the threat subsides. Please contact the U.S. Coast Guard for information regarding harbor and bar closures. && $$
11 follow-up statements
058 WHUS46 KEKA 231130 CFWEKA Coastal Hazard Message National Weather Service Eureka CA 430 AM PDT Sat Oct 23 2021 CAZ101-103-104-232200- /O.CON.KEKA.SU.W.0002.211025T0400Z-211026T0400Z/ Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt- 430 AM PDT Sat Oct 23 2021 ...HIGH SURF WARNING REMAINS IN EFFECT FROM 9 PM SUNDAY TO 9 PM MONDAY... * WHAT...Dangerously large breaking waves up to 30 feet. * WHERE...Del Norte and Humboldt county coast. * WHEN...From 9 PM Sunday to 9 PM Monday. * IMPACTS...Breaking waves can sweep people off jetties and docks, and into dangerous seas. Life-threatening surfing conditions and significant beach erosion can be expected. 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 Coast Guard for information regarding harbor and bar closures. $$ CAZ109-232200- /O.CON.KEKA.SU.Y.0006.211025T0400Z-211026T0400Z/ Mendocino Coast- 430 AM PDT Sat Oct 23 2021 ...HIGH SURF ADVISORY REMAINS IN EFFECT FROM 9 PM SUNDAY TO 9 PM MONDAY... * WHAT...Large breaking waves up to 25 feet. * WHERE...Mendocino Coast County. * WHEN...From 9 PM Sunday to 9 PM Monday.. . * IMPACTS...Dangerous surfing conditions and localized beach erosion. Beachcombing is highly discouraged! PRECAUTIONARY/PREPAREDNESS ACTIONS... Large breaking waves along the coast will lead to increased wave run-up on beaches with waves topping and washing over large rocks and jetties. These large waves can be erratic and unpredictable. Use extra caution near the surf zone as these large waves will be capable of sweeping people into the frigid and turbulent ocean water. Mariners traversing the bar are urged to exercise extreme caution or stay in port until the threat subsides. Please contact the Coast Guard for information regarding harbor and bar closures. $$
973 WHUS46 KEKA 232150 CFWEKA Coastal Hazard Message National Weather Service Eureka CA 250 PM PDT Sat Oct 23 2021 CAZ101-103-104-240600- /O.CON.KEKA.SU.W.0002.211025T0400Z-211026T0400Z/ Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt- 250 PM PDT Sat Oct 23 2021 ...HIGH SURF WARNING REMAINS IN EFFECT FROM 9 PM SUNDAY TO 9 PM PDT MONDAY... * WHAT...Dangerously large breaking waves up to 30ft especially around headlands * WHERE...Coastal Del Norte, Northern Humboldt Coast and Southwestern Humboldt Counties. * WHEN...From 9 PM Sunday to 9 PM PDT Monday.. . * IMPACTS...Breaking waves can sweep people off jetties and docks, and into dangerous seas. Life-threatening surfing conditions and significant beach erosion can be expected. 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. && $$ CAZ109-240600- /O.CON.KEKA.SU.Y.0006.211025T0400Z-211026T0400Z/ Mendocino Coast- 250 PM PDT Sat Oct 23 2021 ...HIGH SURF ADVISORY REMAINS IN EFFECT FROM 9 PM SUNDAY TO 9 PM PDT MONDAY... * WHAT...Large breaking waves up to 26ft especially around headlands * WHERE...Mendocino Coast County. * WHEN...From 9 PM Sunday to 9 PM PDT Monday.. . * IMPACTS...Dangerous surfing conditions and localized beach erosion. Beachcombing is highly discouraged!. PRECAUTIONARY/PREPAREDNESS ACTIONS... Large breaking waves along the coast will lead to increased wave run-up on beaches with waves topping and washing over large rocks and jetties. These large waves can be erratic and unpredictable. Use extra caution near the surf zone as these large waves will be capable of sweeping people into the frigid and turbulent ocean water. Mariners traversing the bar are urged to exercise extreme caution or stay in port until the threat subsides. Please contact the U.S. Coast Guard for information regarding harbor and bar closures. && $$
867 WHUS46 KEKA 240333 CFWEKA Coastal Hazard Message National Weather Service Eureka CA 833 PM PDT Sat Oct 23 2021 CAZ101-103-104-241145- /O.CON.KEKA.SU.W.0002.211025T0400Z-211026T0400Z/ Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt- 833 PM PDT Sat Oct 23 2021 ...HIGH SURF WARNING REMAINS IN EFFECT FROM 9 PM SUNDAY TO 9 PM PDT MONDAY... * WHAT...Dangerously large breaking waves up to 30 feet. * WHERE...Coastal Del Norte, Northern Humboldt Coast and Southwestern Humboldt Counties. * WHEN...From 9 PM Sunday to 9 PM PDT Monday.. . * IMPACTS...Breaking waves can sweep people off jetties and docks, and into dangerous seas. Life-threatening surfing conditions and significant beach erosion can be expected. 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. && $$ CAZ109-241145- /O.CON.KEKA.SU.Y.0006.211025T0400Z-211026T0400Z/ Mendocino Coast- 833 PM PDT Sat Oct 23 2021 ...HIGH SURF ADVISORY REMAINS IN EFFECT FROM 9 PM SUNDAY TO 9 PM PDT MONDAY... * WHAT...Large breaking waves up to around 25 feet. * WHERE...Mendocino Coast County. * WHEN...From 9 PM Sunday to 9 PM PDT Monday.. . * IMPACTS...Dangerous surfing conditions and localized beach erosion. Beachcombing is highly discouraged!. PRECAUTIONARY/PREPAREDNESS ACTIONS... Large breaking waves along the coast will lead to increased wave run-up on beaches with waves topping and washing over large rocks and jetties. These large waves can be erratic and unpredictable. Use extra caution near the surf zone as these large waves will be capable of sweeping people into the frigid and turbulent ocean water. Mariners traversing the bar are urged to exercise extreme caution or stay in port until the threat subsides. Please contact the U.S. Coast Guard for information regarding harbor and bar closures. && $$
297 WHUS46 KEKA 241135 CFWEKA Coastal Hazard Message National Weather Service Eureka CA 435 AM PDT Sun Oct 24 2021 CAZ101-103-104-242200- /O.EXT.KEKA.SU.W.0002.211025T0000Z-211026T0300Z/ Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt- 435 AM PDT Sun Oct 24 2021 ...HIGH SURF WARNING NOW IN EFFECT FROM 5 PM THIS AFTERNOON TO 8 PM MONDAY... * WHAT...Dangerously large breaking waves up to 30 feet. * WHERE...Coastal Del Norte, Northern Humboldt Coast, and Southwestern Humboldt Counties. * WHEN...From 5 PM this afternoon to 8 PM Monday. * IMPACTS...Breaking waves can sweep people off jetties and docks and into dangerous seas. Life-threatening surfing conditions and significant beach erosion can be expected. 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 Coast Guard for information regarding harbor and bar closures. $$ CAZ109-242200- /O.EXT.KEKA.SU.Y.0006.211025T0000Z-211026T0300Z/ Mendocino Coast- 435 AM PDT Sun Oct 24 2021 ...HIGH SURF ADVISORY NOW IN EFFECT FROM 5 PM THIS AFTERNOON TO 8 PM MONDAY... * WHAT...Large breaking waves up to 25 feet. * WHERE...Mendocino Coast. * WHEN...From 5 PM this afternoon to 8 PM Monday. * IMPACTS...Dangerous surfing conditions and localized beach erosion. Beachcombing is highly discouraged! PRECAUTIONARY/PREPAREDNESS ACTIONS... Large breaking waves along the coast will lead to increased wave run-up on beaches with waves topping and washing over large rocks and jetties. These large waves can be erratic and unpredictable. Use extra caution near the surf zone as these large waves will be capable of sweeping people into the frigid and turbulent ocean water. Mariners traversing the bar are urged to exercise extreme caution or stay in port until the threat subsides. Please contact the Coast Guard for information regarding harbor and bar closures. $$
460 WHUS46 KEKA 242153 CFWEKA Coastal Hazard Message National Weather Service Eureka CA 253 PM PDT Sun Oct 24 2021 CAZ101-103-104-250600- /O.CON.KEKA.SU.W.0002.211025T0000Z-211026T0300Z/ Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt- 253 PM PDT Sun Oct 24 2021 ...HIGH SURF WARNING REMAINS IN EFFECT UNTIL 8 PM PDT MONDAY... * WHAT...Dangerously large breaking waves 26 to 30ft. * WHERE...Coastal Del Norte, Northern Humboldt Coast and Southwestern Humboldt Counties. * WHEN...Until 8 PM PDT Monday.. . * IMPACTS...Breaking waves can sweep people off jetties and docks, and into dangerous seas. Life-threatening surfing conditions and significant beach erosion can be expected. 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. && $$ CAZ109-250600- /O.CON.KEKA.SU.Y.0006.211025T0000Z-211026T0300Z/ Mendocino Coast- 253 PM PDT Sun Oct 24 2021 ...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT MONDAY... * WHAT...Large breaking waves 22 to 26ft. * WHERE...Mendocino Coast County. * WHEN...Until 8 PM PDT Monday.. . * IMPACTS...Dangerous surfing conditions and localized beach erosion. Beachcombing is highly discouraged!. PRECAUTIONARY/PREPAREDNESS ACTIONS... Large breaking waves along the coast will lead to increased wave run-up on beaches with waves topping and washing over large rocks and jetties. These large waves can be erratic and unpredictable. Use extra caution near the surf zone as these large waves will be capable of sweeping people into the frigid and turbulent ocean water. Mariners traversing the bar are urged to exercise extreme caution or stay in port until the threat subsides. Please contact the U.S. Coast Guard for information regarding harbor and bar closures. && $$
158 WHUS46 KEKA 250439 CFWEKA Coastal Hazard Message National Weather Service Eureka CA 939 PM PDT Sun Oct 24 2021 CAZ101-103-104-251230- /O.EXT.KEKA.SU.W.0002.000000T0000Z-211026T0600Z/ Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt- 939 PM PDT Sun Oct 24 2021 ...HIGH SURF WARNING NOW IN EFFECT UNTIL 11 PM PDT MONDAY... * WHAT...Dangerously large breaking waves 26 to 30 feet. * WHERE...Coastal Del Norte, Northern Humboldt Coast and Southwestern Humboldt Counties. * WHEN...Until 11 PM PDT Monday. Highest waves will be overnight into Monday morning. * IMPACTS...Breaking waves can sweep people off jetties and docks, and into dangerous seas. Life-threatening surfing conditions and significant beach erosion can be expected. 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. && $$ CAZ109-251230- /O.EXT.KEKA.SU.Y.0006.000000T0000Z-211026T0600Z/ Mendocino Coast- 939 PM PDT Sun Oct 24 2021 ...HIGH SURF ADVISORY NOW IN EFFECT UNTIL 11 PM PDT MONDAY... * WHAT...Large breaking waves 22 to 26 feet. * WHERE...Mendocino Coast County. * WHEN...Until 11 PM PDT Monday. Highest wave heights will occur early Monday morning. * IMPACTS...Dangerous surfing conditions and localized beach erosion. Beachcombing is highly discouraged! PRECAUTIONARY/PREPAREDNESS ACTIONS... Large breaking waves along the coast will lead to increased wave run-up on beaches with waves topping and washing over large rocks and jetties. These large waves can be erratic and unpredictable. Use extra caution near the surf zone as these large waves will be capable of sweeping people into the frigid and turbulent ocean water. Mariners traversing the bar are urged to exercise extreme caution or stay in port until the threat subsides. Please contact the U.S. Coast Guard for information regarding harbor and bar closures. && $$
664 WHUS46 KEKA 250732 CFWEKA Coastal Hazard Message National Weather Service Eureka CA 1232 AM PDT Mon Oct 25 2021 CAZ109-251545- /O.UPG.KEKA.SU.Y.0006.000000T0000Z-211026T0600Z/ /O.EXA.KEKA.SU.W.0002.000000T0000Z-211026T0600Z/ Mendocino Coast- 1232 AM PDT Mon Oct 25 2021 ...HIGH SURF WARNING IN EFFECT UNTIL 11 PM PDT THIS EVENING... * WHAT...Dangerously large breaking waves over 30 feet. * WHERE...Mendocino Coast County. * WHEN...Until 11 PM PDT this evening.. . * IMPACTS...Breaking waves can sweep people off jetties and docks, and into dangerous seas. Life-threatening surfing conditions and significant beach erosion can be expected. 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. && $$ CAZ101-103-104-251545- /O.CON.KEKA.SU.W.0002.000000T0000Z-211026T0600Z/ Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt- 1232 AM PDT Mon Oct 25 2021 ...HIGH SURF WARNING REMAINS IN EFFECT UNTIL 11 PM PDT THIS EVENING... * WHAT...Dangerously large breaking waves approaching 30 feet. * WHERE...Coastal Del Norte, Northern Humboldt Coast and Southwestern Humboldt Counties. * WHEN...Until 11 PM PDT this evening.. . * IMPACTS...Breaking waves can sweep people off jetties and docks, and into dangerous seas. Life-threatening surfing conditions and significant beach erosion can be expected. PRECAUTIONARY/PREPAREDNESS ACTIONS... Large breaking waves along the coast will lead to increased wave run-up on beaches with waves topping and washing over large rocks and jetties. These large waves can be erratic and unpredictable. Use extra caution near the surf zone as these large waves will be capable of sweeping people into the frigid and turbulent ocean water. Mariners traversing the bar are urged to exercise extreme caution or stay in port until the threat subsides. Please contact the U.S. Coast Guard for information regarding harbor and bar closures. && $$
586 WHUS46 KEKA 251251 CFWEKA Coastal Hazard Message National Weather Service Eureka CA 551 AM PDT Mon Oct 25 2021 CAZ101-103-104-109-260600- /O.EXT.KEKA.SU.W.0002.000000T0000Z-211026T1200Z/ Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt- Mendocino Coast- 551 AM PDT Mon Oct 25 2021 ...HIGH SURF WARNING NOW IN EFFECT UNTIL 5 AM PDT TUESDAY... * WHAT...Dangerously large breaking waves near 30 feet. * WHERE...Coastal Del Norte, Mendocino Coast, Northern Humboldt Coast and Southwestern Humboldt Counties. * WHEN...Until 5 AM PDT Tuesday.. . * IMPACTS...Breaking waves can sweep people off jetties and docks, and into dangerous seas. Life-threatening surfing conditions and significant beach erosion can be expected. 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. && $$
518 WHUS46 KEKA 251306 CFWEKA Coastal Hazard Message National Weather Service Eureka CA 606 AM PDT Mon Oct 25 2021 CAZ101-103-104-109-252115- /O.EXT.KEKA.SU.W.0002.000000T0000Z-211026T0600Z/ Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt- Mendocino Coast- 606 AM PDT Mon Oct 25 2021 ...HIGH SURF WARNING NOW IN EFFECT UNTIL 11 PM PDT THIS EVENING... * WHAT...Dangerously large breaking waves near 30 feet. * WHERE...Coastal Del Norte, Mendocino Coast, Northern Humboldt Coast and Southwestern Humboldt Counties. * WHEN...Until 11 PM PDT this evening.. . * IMPACTS...Breaking waves can sweep people off jetties and docks, and into dangerous seas. Life-threatening surfing conditions and significant beach erosion can be expected. PRECAUTIONARY/PREPAREDNESS ACTIONS... Large breaking waves along the coast will lead to increased wave run-up on beaches with waves topping and washing over large rocks and jetties. These large waves can be erratic and unpredictable. Use extra caution near the surf zone as these large waves will be capable of sweeping people into the frigid and turbulent ocean water. Mariners traversing the bar are urged to exercise extreme caution or stay in port until the threat subsides. Please contact the U.S. Coast Guard for information regarding harbor and bar closures. && $$
646 WHUS46 KEKA 252100 CFWEKA Coastal Hazard Message National Weather Service Eureka CA 200 PM PDT Mon Oct 25 2021 CAZ101-103-104-109-260545- /O.CON.KEKA.SU.W.0002.000000T0000Z-211026T0600Z/ Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt- Mendocino Coast- 200 PM PDT Mon Oct 25 2021 ...HIGH SURF WARNING REMAINS IN EFFECT UNTIL 11 PM PDT THIS EVENING... * WHAT...Dangerously large breaking waves from 24 to 28 ft. * WHERE...Coastal Del Norte, Mendocino Coast, Northern Humboldt Coast and Southwestern Humboldt Counties. * WHEN...Until 11 PM PDT this evening.. . * IMPACTS...Breaking waves can sweep people off jetties and docks, and into dangerous seas. Life-threatening surfing conditions and significant beach erosion can be expected. 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. && $$
060 WHUS46 KEKA 260029 CFWEKA Coastal Hazard Message National Weather Service Eureka CA 529 PM PDT Mon Oct 25 2021 CAZ101-103-104-109-260600- /O.CAN.KEKA.SU.W.0002.000000T0000Z-211026T0600Z/ /O.NEW.KEKA.SU.Y.0007.211026T0029Z-211026T0600Z/ Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt- Mendocino Coast- 529 PM PDT Mon Oct 25 2021 ...HIGH SURF ADVISORY IN EFFECT UNTIL 11 PM PDT THIS EVENING... ...HIGH SURF WARNING IS CANCELLED... * WHAT...Large breaking waves up to 25 feet possible. * WHERE...Coastal Del Norte, Northern Humboldt Coast, Southwestern Humboldt and Mendocino Coast Counties. * WHEN...Until 11 PM PDT this evening.. . * IMPACTS...Dangerous surfing conditions and localized beach erosion. Beachcombing is highly discouraged!. PRECAUTIONARY/PREPAREDNESS ACTIONS... Large breaking waves along the coast will lead to increased wave run-up on beaches with waves topping and washing over large rocks and jetties. These large waves can be erratic and unpredictable. Use extra caution near the surf zone as these large waves will be capable of sweeping people into the frigid and turbulent ocean water. Mariners traversing the bar are urged to exercise extreme caution or stay in port until the threat subsides. Please contact the U.S. Coast Guard for information regarding harbor and bar closures. && $$
The office that day
Everything else NWS Eureka, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 22, 9:02 PM PDT | High Surf Advisory | EKA | Mendocino | 52 hr |
| Oct 23, 2:59 AM PDT | Gale Warning | EKA | 32 hr | |
| Oct 23, 2:47 PM PDT | Hazardous Seas Warning | EKA | 60 hr |
Nearby
High Surf Warnings in California, 2021Every high surf warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.