Alert archive / California / Hazardous Seas Warnings in 2021
Hazardous Seas Warning 62, NWS Eureka, CA
NWS Eureka, CA issued this hazardous seas warning at Dec 12, 2021, 12:51 AM PST. It was in force for 8 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 12, 2021, 12:51 AM PST (08:51 UTC)
- Expired
- Dec 12, 2021, 9:00 AM PST
- In force
- 8 hr
- Issued by
- NWS Eureka, CA
The text
As transmitted.
838 WHUS76 KEKA 120851 MWWEKA URGENT - MARINE WEATHER MESSAGE National Weather Service Eureka CA 1251 AM PST Sun Dec 12 2021 PZZ455-475-121700- /O.CAN.KEKA.GL.W.0055.000000T0000Z-211212T0900Z/ /O.NEW.KEKA.SE.W.0062.211212T0851Z-211212T1700Z/ Cape Mendocino to Pt Arena out 10 nm- Cape Mendocino to Pt Arena 10 to 60 nm- 1251 AM PST Sun Dec 12 2021 ...HAZARDOUS SEAS WARNING IN EFFECT UNTIL 9 AM PST THIS MORNING... * WHAT...Very steep and hazardous seas 12 to 16 feet. Southerly winds 20 to 30 kt with gusts to 40 kt diminishing rapidly overnight and becoming west-southwest 10 to 15 kt. * WHERE...Cape Mendocino to Pt Arena out 10 nm and Cape Mendocino to Pt Arena 10 to 60 nm. * WHEN...Until 9 AM PST this morning. * 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. && $$ PZZ450-470-121700- /O.NEW.KEKA.SE.W.0062.211212T0851Z-211212T1700Z/ Pt St George to Cape Mendocino out 10 nm- Pt St George to Cape Mendocino 10 to 60 nm- 1251 AM PST Sun Dec 12 2021 ...HAZARDOUS SEAS WARNING IN EFFECT UNTIL 9 AM PST THIS MORNING... * WHAT...Very steep and hazardous seas 12 to 16 feet. Winds southwest 10 to 15 kt. * WHERE...Pt St George to Cape Mendocino out 10 nm and Pt St George to Cape Mendocino 10 to 60 nm. * WHEN...Until 9 AM PST this morning. * IMPACTS...Very steep and hazardous seas could capsize or cause damage to vessels. PRECAUTIONARY/PREPAREDNESS ACTIONS... Recreational boaters should remain in port. Commercial vessels should prepare for rough seas and consider remaining in port until hazardous seas subside. && $$
2 follow-up statements
158 WHUS76 KEKA 121031 MWWEKA URGENT - MARINE WEATHER MESSAGE National Weather Service Eureka CA 231 AM PST Sun Dec 12 2021 PZZ450-455-470-475-121700- /O.CON.KEKA.SE.W.0062.000000T0000Z-211212T1700Z/ Pt St George to Cape Mendocino out 10 nm- Cape Mendocino to Pt Arena out 10 nm- Pt St George to Cape Mendocino 10 to 60 nm- Cape Mendocino to Pt Arena 10 to 60 nm- 231 AM PST Sun Dec 12 2021 ...HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL 9 AM PST THIS MORNING... * WHAT...Very steep and hazardous seas 12 to 16 feet. Southerly winds 15 to 25 kt with gusts over 30 kt over the southern waters diminishing early this morning. Otherwise, winds west-southwest 10 to 15 kt. * WHERE...Pt St George to Cape Mendocino out 10 nm, Pt St George to Cape Mendocino 10 to 60 nm, Cape Mendocino to Pt Arena out 10 nm and Cape Mendocino to Pt Arena 10 to 60 nm. * WHEN...Until 9 AM PST this morning. * 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. && $$
551 WHUS76 KEKA 121709 MWWEKA URGENT - MARINE WEATHER MESSAGE National Weather Service Eureka CA 909 AM PST Sun Dec 12 2021 PZZ450-455-470-475-130115- /O.EXP.KEKA.SE.W.0062.000000T0000Z-211212T1700Z/ /O.NEW.KEKA.SC.Y.0134.211213T1700Z-211215T0800Z/ Pt St George to Cape Mendocino out 10 nm- Cape Mendocino to Pt Arena out 10 nm- Pt St George to Cape Mendocino 10 to 60 nm- Cape Mendocino to Pt Arena 10 to 60 nm- 909 AM PST Sun Dec 12 2021 ...SMALL CRAFT ADVISORY IN EFFECT FROM 9 AM MONDAY TO MIDNIGHT PST TUESDAY NIGHT... ...HAZARDOUS SEAS WARNING HAS EXPIRED... * WHAT...West winds 10 to 20 kt with gusts up to 30 kt and seas 13 to 18 feet expected. * WHERE...Pt St George to Pt Arena out to 60 nm. * WHEN...From 9 AM Monday to midnight PST Tuesday night. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$
The office that day
Everything else NWS Eureka, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 11, 10:05 PM PST | Gale Warning | EKA | 55 min | |
| Dec 11, 10:53 PM PST | Wind Advisory | EKA | Humboldt | 2 hr |
| Dec 12, 5:17 AM PST | Winter Storm Warning | EKA | Del Norte, Humboldt, Trinity | 41 hr |
| Dec 12, 9:09 AM PST | Small Craft Advisory | EKA | 70 hr | |
| Dec 12, 3:49 PM PST | Gale Warning | EKA | 10 hr | |
| Dec 12, 3:49 PM PST | Small Craft Advisory | EKA | 5 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.