Alert archive / California / Hazardous Seas Warnings in 2021
Hazardous Seas Warning 66, NWS Eureka, CA
NWS Eureka, CA issued this hazardous seas warning at Dec 16, 2021, 5:15 AM PST. It was in force for 4 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Dec 16, 2021, 5:15 AM PST (13:15 UTC)
- Expired
- Dec 16, 2021, 8:59 AM PST
- In force
- 4 hr
- Issued by
- NWS Eureka, CA
The text
As transmitted.
691 WHUS76 KEKA 161315 AAA MWWEKA URGENT - MARINE WEATHER MESSAGE...UPDATED National Weather Service Eureka CA 515 AM PST Thu Dec 16 2021 PZZ450-470-162115- /O.UPG.KEKA.SC.Y.0137.000000T0000Z-211217T0800Z/ /O.NEW.KEKA.SE.W.0066.211216T1315Z-211216T2100Z/ /O.NEW.KEKA.SC.Y.0138.211216T2100Z-211217T0800Z/ Pt St George to Cape Mendocino out 10 nm- Pt St George to Cape Mendocino 10 to 60 nm- 515 AM PST Thu Dec 16 2021 ...HAZARDOUS SEAS WARNING IN EFFECT UNTIL 1 PM PST THIS AFTERNOON... ...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM THIS AFTERNOON TO MIDNIGHT PST TONIGHT... * WHAT...For the Hazardous Seas Warning, very steep and hazardous seas 16 to 18 feet. For the Small Craft Advisory, seas 11 to 14 feet expected. * WHERE...Pt St George to Cape Mendocino out 10 nm and Pt St George to Cape Mendocino 10 to 60 nm. * WHEN...For the Hazardous Seas Warning, until 1 PM PST this afternoon. For the Small Craft Advisory, from 1 PM this afternoon to midnight PST tonight. * IMPACTS...Very steep and hazardous seas could capsize or cause damage to vessels. PRECAUTIONARY/PREPAREDNESS ACTIONS... Recreational boaters should remain in port. Commercial vessels should prepare for rough seas and consider remaining in port until hazardous seas subside. && $$ PZZ455-475-162115- /O.CON.KEKA.SC.Y.0137.000000T0000Z-211217T0800Z/ Cape Mendocino to Pt Arena out 10 nm- Cape Mendocino to Pt Arena 10 to 60 nm- 515 AM PST Thu Dec 16 2021 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT PST TONIGHT... * WHAT...Northwest winds 10 to 15 kt with gusts up to 25 kt and seas 11 to 14 feet. * WHERE...Cape Mendocino to Pt Arena out 10 nm and Cape Mendocino to Pt Arena 10 to 60 nm. * WHEN...Until midnight PST tonight. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$
1 follow-up statement
007 WHUS76 KEKA 161659 MWWEKA URGENT - MARINE WEATHER MESSAGE National Weather Service Eureka CA 859 AM PST Thu Dec 16 2021 PZZ450-470-170100- /O.CAN.KEKA.SE.W.0066.000000T0000Z-211216T2100Z/ /O.EXT.KEKA.SC.Y.0138.211216T1659Z-211217T1000Z/ Pt St George to Cape Mendocino out 10 nm- Pt St George to Cape Mendocino 10 to 60 nm- 859 AM PST Thu Dec 16 2021 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 2 AM PST FRIDAY... ...HAZARDOUS SEAS WARNING IS CANCELLED... * WHAT...Seas 10 to 14 feet. * WHERE...Pt St George to Cape Mendocino out 10 nm and Pt St George to Cape Mendocino 10 to 60 nm. * WHEN...Until 2 AM PST Friday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ PZZ455-475-170100- /O.EXT.KEKA.SC.Y.0137.000000T0000Z-211217T1000Z/ Cape Mendocino to Pt Arena out 10 nm- Cape Mendocino to Pt Arena 10 to 60 nm- 859 AM PST Thu Dec 16 2021 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 2 AM PST FRIDAY... * WHAT...Seas 10 to 14 feet. * WHERE...Cape Mendocino to Pt Arena out 10 nm and Cape Mendocino to Pt Arena 10 to 60 nm. * WHEN...Until 2 AM PST Friday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$
The office that day
Everything else NWS Eureka, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 15, 8:34 PM PST | Small Craft Advisory | EKA | 34 hr | |
| Dec 15, 10:09 PM PST | Winter Weather Advisory | EKA | Del Norte, Humboldt, Trinity | 8 hr |
| Dec 16, 4:21 AM PST | Frost Advisory | EKA | Del Norte, Humboldt, Mendocino | 29 hr |
| Dec 16, 5:15 AM PST | Small Craft Advisory | EKA | 25 hr |
Nearby
Hazardous Seas Warnings in California, 2021Every hazardous seas 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.