Alert archive / California / Hazardous Seas Warnings in 2021
Hazardous Seas Warning 14, NWS Eureka, CA
NWS Eureka, CA issued this hazardous seas warning at Feb 20, 2021, 2:41 AM PST. It took effect at Feb 20, 2021, 8:46 AM PST. It was in force for 12 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
- Feb 20, 2021, 2:41 AM PST (10:41 UTC)
- In effect from
- Feb 20, 2021, 8:46 AM PST
- Expired
- Feb 20, 2021, 9:00 PM PST
- In force
- 12 hr
- Issued by
- NWS Eureka, CA
The text
As transmitted.
017 WHUS76 KEKA 201041 MWWEKA URGENT - MARINE WEATHER MESSAGE National Weather Service Eureka CA 241 AM PST Sat Feb 20 2021 PZZ450-201845- /O.CON.KEKA.GL.W.0012.000000T0000Z-210220T1700Z/ /O.NEW.KEKA.SE.W.0014.210220T1700Z-210220T2000Z/ Pt St George to Cape Mendocino out 10 nm- 241 AM PST Sat Feb 20 2021 ...GALE WARNING REMAINS IN EFFECT UNTIL 9 AM PST THIS MORNING... ...HAZARDOUS SEAS WARNING IN EFFECT FROM 9 AM THIS MORNING TO NOON PST TODAY... * WHAT...For the Gale Warning, northwest winds 25 to 35 kt with gusts up to 40 kt and seas 15 to 20 feet. For the Hazardous Seas Warning, very steep and hazardous seas 15 to 20 feet expected. * WHERE...Pt St George to Cape Mendocino out 10 nm. * WHEN...For the Gale Warning, until 9 AM PST this morning. For the Hazardous Seas Warning, from 9 AM this morning to noon PST today. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe conditions. && $$ PZZ455-201845- /O.CON.KEKA.GL.W.0012.000000T0000Z-210220T1700Z/ /O.NEW.KEKA.SE.W.0014.210220T1700Z-210221T0200Z/ Cape Mendocino to Pt Arena out 10 nm- 241 AM PST Sat Feb 20 2021 ...GALE WARNING REMAINS IN EFFECT UNTIL 9 AM PST THIS MORNING... ...HAZARDOUS SEAS WARNING IN EFFECT FROM 9 AM THIS MORNING TO 6 PM PST THIS EVENING... * WHAT...For the Gale Warning, northwest winds 20 to 30 kt with gusts up to 40 kt and seas 13 to 18 feet. For the Hazardous Seas Warning, very steep and hazardous seas 12 to 17 feet expected. * WHERE...Cape Mendocino to Pt Arena out 10 nm. * WHEN...For the Gale Warning, until 9 AM PST this morning. For the Hazardous Seas Warning, from 9 AM this morning to 6 PM PST this evening. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe conditions. && $$ PZZ470-201845- /O.CON.KEKA.GL.W.0012.000000T0000Z-210220T1700Z/ /O.NEW.KEKA.SE.W.0014.210220T1700Z-210220T2000Z/ Pt St George to Cape Mendocino 10 to 60 nm- 241 AM PST Sat Feb 20 2021 ...GALE WARNING REMAINS IN EFFECT UNTIL 9 AM PST THIS MORNING... ...HAZARDOUS SEAS WARNING IN EFFECT FROM 9 AM THIS MORNING TO NOON PST TODAY... * WHAT...For the Gale Warning, northwest winds 25 to 35 kt with gusts up to 45 kt and seas 15 to 20 feet. For the Hazardous Seas Warning, very steep and hazardous seas 15 to 20 feet expected. * WHERE...Pt St George to Cape Mendocino 10 to 60 nm. * WHEN...For the Gale Warning, until 9 AM PST this morning. For the Hazardous Seas Warning, from 9 AM this morning to noon PST today. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe conditions. && $$ PZZ475-201845- /O.CON.KEKA.GL.W.0012.000000T0000Z-210220T1700Z/ /O.NEW.KEKA.SE.W.0014.210220T1700Z-210221T0200Z/ Cape Mendocino to Pt Arena 10 to 60 nm- 241 AM PST Sat Feb 20 2021 ...GALE WARNING REMAINS IN EFFECT UNTIL 9 AM PST THIS MORNING... ...HAZARDOUS SEAS WARNING IN EFFECT FROM 9 AM THIS MORNING TO 6 PM PST THIS EVENING... * WHAT...For the Gale Warning, northwest winds 25 to 30 kt with gusts up to 40 kt and seas 14 to 19 feet. For the Hazardous Seas Warning, very steep and hazardous seas 12 to 17 feet expected. * WHERE...Cape Mendocino to Pt Arena 10 to 60 nm. * WHEN...For the Gale Warning, until 9 AM PST this morning. For the Hazardous Seas Warning, from 9 AM this morning to 6 PM PST this evening. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe conditions. && $$
5 follow-up statements
598 WHUS76 KEKA 201646 MWWEKA URGENT - MARINE WEATHER MESSAGE National Weather Service Eureka CA 846 AM PST Sat Feb 20 2021 PZZ450-202000- /O.CAN.KEKA.GL.W.0012.000000T0000Z-210220T1700Z/ /O.EXT.KEKA.SE.W.0014.210220T1646Z-210220T2000Z/ Pt St George to Cape Mendocino out 10 nm- 846 AM PST Sat Feb 20 2021 ...HAZARDOUS SEAS WARNING NOW IN EFFECT UNTIL NOON PST TODAY... ...GALE WARNING IS CANCELLED... * WHAT...For the Gale Warning, northwest winds 25 to 35 kt with gusts up to 40 kt and seas 15 to 20 feet. For the Hazardous Seas Warning, very steep and hazardous seas 15 to 20 feet expected. * WHERE...Pt St George to Cape Mendocino out 10 nm. * WHEN...Until noon PST today. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. 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. && $$ PZZ455-210100- /O.CAN.KEKA.GL.W.0012.000000T0000Z-210220T1700Z/ /O.EXT.KEKA.SE.W.0014.210220T1646Z-210221T0200Z/ Cape Mendocino to Pt Arena out 10 nm- 846 AM PST Sat Feb 20 2021 ...HAZARDOUS SEAS WARNING NOW IN EFFECT UNTIL 6 PM PST THIS EVENING... ...GALE WARNING IS CANCELLED... * WHAT...For the Gale Warning, northwest winds 20 to 30 kt with gusts up to 40 kt and seas 13 to 18 feet. For the Hazardous Seas Warning, very steep and hazardous seas 12 to 17 feet expected. * WHERE...Cape Mendocino to Pt Arena out 10 nm. * WHEN...Until 6 PM PST this evening. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Recreational boaters should remain in port. Commercial vessels should prepare for rough seas and consider remaining in port until hazardous seas subside. && $$ PZZ470-202000- /O.EXP.KEKA.GL.W.0012.000000T0000Z-210220T1700Z/ /O.CON.KEKA.SE.W.0014.210220T1700Z-210220T2000Z/ Pt St George to Cape Mendocino 10 to 60 nm- 846 AM PST Sat Feb 20 2021 ...HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL NOON PST TODAY... ...GALE WARNING WILL EXPIRE AT 9 AM PST THIS MORNING... * WHAT...Very steep and hazardous seas 15 to 20 feet expected. * WHERE...Pt St George to Cape Mendocino 10 to 60 nm. * WHEN...For the Gale Warning, until 9 AM PST this morning. For the Hazardous Seas Warning, from 9 AM this morning to noon PST today. * 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. && $$ PZZ475-210100- /O.EXP.KEKA.GL.W.0012.000000T0000Z-210220T1700Z/ /O.CON.KEKA.SE.W.0014.210220T1700Z-210221T0200Z/ Cape Mendocino to Pt Arena 10 to 60 nm- 846 AM PST Sat Feb 20 2021 ...HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL 6 PM PST THIS EVENING... ...GALE WARNING WILL EXPIRE AT 9 AM PST THIS MORNING... * WHAT...Very steep and hazardous seas 12 to 17 feet expected. * WHERE...Cape Mendocino to Pt Arena 10 to 60 nm. * WHEN...For the Gale Warning, until 9 AM PST this morning. For the Hazardous Seas Warning, from 9 AM this morning to 6 PM PST this evening. * IMPACTS...Very steep and hazardous seas could capsize or cause damage to vessels. PRECAUTIONARY/PREPAREDNESS ACTIONS... Recreational boaters should remain in port. Commercial vessels should prepare for rough seas and consider remaining in port until hazardous seas subside. && $$
217 WHUS76 KEKA 201935 MWWEKA URGENT - MARINE WEATHER MESSAGE National Weather Service Eureka CA 1135 AM PST Sat Feb 20 2021 PZZ450-202300- /O.EXT.KEKA.SE.W.0014.000000T0000Z-210220T2300Z/ Pt St George to Cape Mendocino out 10 nm- 1135 AM PST Sat Feb 20 2021 ...HAZARDOUS SEAS WARNING NOW IN EFFECT UNTIL 3 PM PST THIS AFTERNOON... * WHAT...For the Gale Warning, northwest winds 25 to 35 kt with gusts up to 40 kt and seas 15 to 20 feet. For the Hazardous Seas Warning, very steep and hazardous seas 15 to 20 feet expected. * WHERE...Pt St George to Cape Mendocino out 10 nm. * WHEN...Until 3 PM PST this afternoon. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. 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. && $$ PZZ470-202300- /O.EXT.KEKA.SE.W.0014.000000T0000Z-210220T2300Z/ Pt St George to Cape Mendocino 10 to 60 nm- 1135 AM PST Sat Feb 20 2021 ...HAZARDOUS SEAS WARNING NOW IN EFFECT UNTIL 3 PM PST THIS AFTERNOON... * WHAT...Very steep and hazardous seas 15 to 20 feet expected. * WHERE...Pt St George to Cape Mendocino 10 to 60 nm. * WHEN...Until 3 PM PST this afternoon. * IMPACTS...Very steep and hazardous seas could capsize or cause damage to vessels. PRECAUTIONARY/PREPAREDNESS ACTIONS... Recreational boaters should remain in port. Commercial vessels should prepare for rough seas and consider remaining in port until hazardous seas subside. && $$ PZZ455-210200- /O.CON.KEKA.SE.W.0014.000000T0000Z-210221T0200Z/ Cape Mendocino to Pt Arena out 10 nm- 1135 AM PST Sat Feb 20 2021 ...HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL 6 PM PST THIS EVENING... * WHAT...For the Gale Warning, northwest winds 20 to 30 kt with gusts up to 40 kt and seas 13 to 18 feet. For the Hazardous Seas Warning, very steep and hazardous seas 12 to 17 feet expected. * WHERE...Cape Mendocino to Pt Arena out 10 nm. * WHEN...Until 6 PM PST this evening. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. 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. && $$ PZZ475-210200- /O.CON.KEKA.SE.W.0014.000000T0000Z-210221T0200Z/ Cape Mendocino to Pt Arena 10 to 60 nm- 1135 AM PST Sat Feb 20 2021 ...HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL 6 PM PST THIS EVENING... * WHAT...Very steep and hazardous seas 12 to 17 feet expected. * WHERE...Cape Mendocino to Pt Arena 10 to 60 nm. * WHEN...For the Gale Warning, until 9 AM PST this morning. For the Hazardous Seas Warning, from 9 AM this morning to 6 PM PST this evening. * IMPACTS...Very steep and hazardous seas could capsize or cause damage to vessels. PRECAUTIONARY/PREPAREDNESS ACTIONS... Recreational boaters should remain in port. Commercial vessels should prepare for rough seas and consider remaining in port until hazardous seas subside. && $$
612 WHUS76 KEKA 202151 MWWEKA URGENT - MARINE WEATHER MESSAGE National Weather Service Eureka CA 151 PM PST Sat Feb 20 2021 PZZ450-210200- /O.EXT.KEKA.SE.W.0014.000000T0000Z-210221T0200Z/ Pt St George to Cape Mendocino out 10 nm- 151 PM PST Sat Feb 20 2021 ...HAZARDOUS SEAS WARNING NOW IN EFFECT UNTIL 6 PM PST THIS EVENING... * WHAT...Very steep and hazardous seas 10 to 14 feet. * WHERE...Pt St George to Cape Mendocino out 10 nm. * WHEN...Until 6 PM PST this evening. * 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. && $$ PZZ470-210200- /O.EXT.KEKA.SE.W.0014.000000T0000Z-210221T0200Z/ Pt St George to Cape Mendocino 10 to 60 nm- 151 PM PST Sat Feb 20 2021 ...HAZARDOUS SEAS WARNING NOW IN EFFECT UNTIL 6 PM PST THIS EVENING... * WHAT...Very steep and hazardous seas 11 to 15 feet. * WHERE...Pt St George to Cape Mendocino 10 to 60 nm. * WHEN...Until 6 PM PST this evening. * IMPACTS...Very steep and hazardous seas could capsize or cause damage to vessels. PRECAUTIONARY/PREPAREDNESS ACTIONS... Recreational boaters should remain in port. Commercial vessels should prepare for rough seas and consider remaining in port until hazardous seas subside. && $$ PZZ455-210200- /O.CON.KEKA.SE.W.0014.000000T0000Z-210221T0200Z/ Cape Mendocino to Pt Arena out 10 nm- 151 PM PST Sat Feb 20 2021 ...HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL 6 PM PST THIS EVENING... * WHAT...Very steep and hazardous seas 12 to 17 feet. * WHERE...Cape Mendocino to Pt Arena out 10 nm. * WHEN...Until 6 PM PST this evening. * 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. && $$ PZZ475-210200- /O.CON.KEKA.SE.W.0014.000000T0000Z-210221T0200Z/ Cape Mendocino to Pt Arena 10 to 60 nm- 151 PM PST Sat Feb 20 2021 ...HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL 6 PM PST THIS EVENING... * WHAT...Very steep and hazardous seas 12 to 17 feet. * WHERE...Cape Mendocino to Pt Arena 10 to 60 nm. * WHEN...Until 6 PM PST this evening. * IMPACTS...Very steep and hazardous seas could capsize or cause damage to vessels. PRECAUTIONARY/PREPAREDNESS ACTIONS... Recreational boaters should remain in port. Commercial vessels should prepare for rough seas and consider remaining in port until hazardous seas subside. && $$
317 WHUS76 KEKA 210154 MWWEKA URGENT - MARINE WEATHER MESSAGE National Weather Service Eureka CA 554 PM PST Sat Feb 20 2021 PZZ450-211000- /O.EXP.KEKA.SE.W.0014.000000T0000Z-210221T0200Z/ /O.NEW.KEKA.SC.Y.0022.210221T0200Z-210221T1100Z/ Pt St George to Cape Mendocino out 10 nm- 554 PM PST Sat Feb 20 2021 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 AM PST SUNDAY... * WHAT...Seas 8 to 12 feet expected. * WHERE...Pt St George to Cape Mendocino out 10 nm. * WHEN...Until 3 AM PST Sunday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ PZZ470-211000- /O.EXP.KEKA.SE.W.0014.000000T0000Z-210221T0200Z/ /O.NEW.KEKA.SC.Y.0022.210221T0200Z-210221T1100Z/ Pt St George to Cape Mendocino 10 to 60 nm- 554 PM PST Sat Feb 20 2021 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 AM PST SUNDAY... * WHAT...Seas 10 to 11 feet expected. * WHERE...Pt St George to Cape Mendocino 10 to 60 nm. * WHEN...Until 3 AM PST Sunday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ PZZ455-210500- /O.EXT.KEKA.SE.W.0014.000000T0000Z-210221T0500Z/ Cape Mendocino to Pt Arena out 10 nm- 554 PM PST Sat Feb 20 2021 ...HAZARDOUS SEAS WARNING NOW IN EFFECT UNTIL 9 PM PST THIS EVENING... * WHAT...Very steep and hazardous seas 11 to 15 feet. * WHERE...Cape Mendocino to Pt Arena out 10 nm. * WHEN...Until 9 PM PST this evening. * 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. && $$ PZZ475-210500- /O.EXT.KEKA.SE.W.0014.000000T0000Z-210221T0500Z/ Cape Mendocino to Pt Arena 10 to 60 nm- 554 PM PST Sat Feb 20 2021 ...HAZARDOUS SEAS WARNING NOW IN EFFECT UNTIL 9 PM PST THIS EVENING... * WHAT...Very steep and hazardous seas 12 to 15 feet. * WHERE...Cape Mendocino to Pt Arena 10 to 60 nm. * WHEN...Until 9 PM PST this evening. * IMPACTS...Very steep and hazardous seas could capsize or cause damage to vessels. PRECAUTIONARY/PREPAREDNESS ACTIONS... Recreational boaters should remain in port. Commercial vessels should prepare for rough seas and consider remaining in port until hazardous seas subside. && $$
441 WHUS76 KEKA 210455 MWWEKA URGENT - MARINE WEATHER MESSAGE National Weather Service Eureka CA 855 PM PST Sat Feb 20 2021 PZZ455-211300- /O.EXP.KEKA.SE.W.0014.000000T0000Z-210221T0500Z/ /O.EXB.KEKA.SC.Y.0022.210221T0500Z-210222T1100Z/ Cape Mendocino to Pt Arena out 10 nm- 855 PM PST Sat Feb 20 2021 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 AM PST MONDAY... * WHAT...North winds 15 to 25 kt with gusts up to 30 kt and seas 8 to 11 feet expected. * WHERE...Cape Mendocino to Pt Arena out 10 nm. * WHEN...Until 3 AM PST Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ PZZ475-211300- /O.EXP.KEKA.SE.W.0014.000000T0000Z-210221T0500Z/ /O.EXB.KEKA.SC.Y.0022.210221T0500Z-210222T1100Z/ Cape Mendocino to Pt Arena 10 to 60 nm- 855 PM PST Sat Feb 20 2021 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 AM PST MONDAY... * WHAT...North winds 15 to 25 kt with gusts up to 30 kt and seas 8 to 12 feet expected. * WHERE...Cape Mendocino to Pt Arena 10 to 60 nm. * WHEN...Until 3 AM PST Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ PZZ450-470-211100- /O.CON.KEKA.SC.Y.0022.000000T0000Z-210221T1100Z/ Pt St George to Cape Mendocino out 10 nm- Pt St George to Cape Mendocino 10 to 60 nm- 855 PM PST Sat Feb 20 2021 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM PST SUNDAY... * WHAT...Seas 9 to 10 feet. * WHERE...Pt St George to Cape Mendocino out 10 nm and Pt St George to Cape Mendocino 10 to 60 nm. * WHEN...Until 3 AM PST Sunday. * 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 |
|---|---|---|---|---|
| Feb 19, 4:25 PM PST | Gale Warning | EKA | 17 hr | |
| Feb 19, 4:49 PM PST | Winter Weather Advisory | EKA | Humboldt, Trinity | 14 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.