Alert archive / California / Hazardous Seas Warnings in 2021
Hazardous Seas Warning 3, NWS Eureka, CA
NWS Eureka, CA issued this hazardous seas warning at Jan 5, 2021, 2:35 PM PST. It took effect at Jan 6, 2021, 3:00 AM PST. It was in force for 11 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
- Jan 5, 2021, 2:35 PM PST (22:35 UTC)
- In effect from
- Jan 6, 2021, 3:00 AM PST
- Expired
- Jan 6, 2021, 2:18 PM PST
- In force
- 11 hr
- Issued by
- NWS Eureka, CA
The text
As transmitted.
925 WHUS76 KEKA 052235 MWWEKA URGENT - MARINE WEATHER MESSAGE National Weather Service Eureka CA 235 PM PST Tue Jan 5 2021 PZZ475-060645- /O.EXT.KEKA.SC.Y.0002.000000T0000Z-210106T0600Z/ /O.NEW.KEKA.SE.W.0003.210106T0600Z-210107T0100Z/ Cape Mendocino to Pt Arena 10 to 60 nm- 235 PM PST Tue Jan 5 2021 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 10 PM PST THIS EVENING... ...HAZARDOUS SEAS WARNING IN EFFECT FROM 10 PM THIS EVENING TO 5 PM PST WEDNESDAY... * WHAT...For the Hazardous Seas Warning, very steep and hazardous seas 14 to 19 feet expected. For the Small Craft Advisory, south winds 15 to 25 kt with gusts up to 30 kt and seas 14 to 16 feet. * WHERE...Cape Mendocino to Pt Arena 10 to 60 nm. * WHEN...For the Hazardous Seas Warning, from 10 PM this evening to 5 PM PST Wednesday. For the Small Craft Advisory, until 10 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. && $$ PZZ470-060645- /O.CON.KEKA.SC.Y.0002.000000T0000Z-210106T0200Z/ /O.CON.KEKA.GL.W.0002.210106T0200Z-210106T1800Z/ Pt St George to Cape Mendocino 10 to 60 nm- 235 PM PST Tue Jan 5 2021 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 PM PST THIS EVENING... ...GALE WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 10 AM PST WEDNESDAY... * WHAT...For the Gale Warning, south winds 20 to 30 kt with gusts up to 40 kt and seas 16 to 21 feet expected. For the Small Craft Advisory, south winds 20 to 30 kt with gusts up to 35 kt and seas 15 to 17 feet. * WHERE...Pt St George to Cape Mendocino 10 to 60 nm. * WHEN...For the Gale Warning, from 6 PM this evening to 10 AM PST Wednesday. For the Small Craft Advisory, until 6 PM PST this evening. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe conditions. && $$ PZZ450-455-060645- /O.CON.KEKA.SC.Y.0002.000000T0000Z-210108T1200Z/ Pt St George to Cape Mendocino out 10 nm- Cape Mendocino to Pt Arena out 10 nm- 235 PM PST Tue Jan 5 2021 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST FRIDAY... * WHAT...Southeast winds 15 to 25 kt with gusts up to 35 kt and seas 13 to 18 feet. * WHERE...Pt St George to Cape Mendocino out 10 nm and Cape Mendocino to Pt Arena out 10 nm. * WHEN...Until 4 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. && $$
5 follow-up statements
005 WHUS76 KEKA 060201 MWWEKA URGENT - MARINE WEATHER MESSAGE National Weather Service Eureka CA 601 PM PST Tue Jan 5 2021 PZZ470-061015- /O.EXP.KEKA.SC.Y.0002.000000T0000Z-210106T0200Z/ /O.CON.KEKA.GL.W.0002.000000T0000Z-210106T1800Z/ Pt St George to Cape Mendocino 10 to 60 nm- 601 PM PST Tue Jan 5 2021 ...GALE WARNING REMAINS IN EFFECT UNTIL 10 AM PST WEDNESDAY... * WHAT...South winds 20 to 30 kt with gusts up to 40 kt and seas 16 to 21 feet. * WHERE...Pt St George to Cape Mendocino 10 to 60 nm. * WHEN...Until 10 AM PST Wednesday. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe conditions. && $$ PZZ475-061015- /O.CON.KEKA.SC.Y.0002.000000T0000Z-210106T0600Z/ /O.CON.KEKA.SE.W.0003.210106T0600Z-210107T0100Z/ Cape Mendocino to Pt Arena 10 to 60 nm- 601 PM PST Tue Jan 5 2021 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING... ...HAZARDOUS SEAS WARNING REMAINS IN EFFECT FROM 10 PM THIS EVENING TO 5 PM PST WEDNESDAY... * WHAT...For the Hazardous Seas Warning, very steep and hazardous seas 14 to 19 feet expected. For the Small Craft Advisory, south winds 15 to 25 kt with gusts up to 30 kt and seas 14 to 16 feet. * WHERE...Cape Mendocino to Pt Arena 10 to 60 nm. * WHEN...For the Hazardous Seas Warning, from 10 PM this evening to 5 PM PST Wednesday. For the Small Craft Advisory, until 10 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. && $$ PZZ450-455-061015- /O.CON.KEKA.SC.Y.0002.000000T0000Z-210108T1200Z/ Pt St George to Cape Mendocino out 10 nm- Cape Mendocino to Pt Arena out 10 nm- 601 PM PST Tue Jan 5 2021 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST FRIDAY... * WHAT...Southeast winds 15 to 25 kt with gusts up to 35 kt and seas 13 to 18 feet. * WHERE...Pt St George to Cape Mendocino out 10 nm and Cape Mendocino to Pt Arena out 10 nm. * WHEN...Until 4 AM PST Friday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$
273 WHUS76 KEKA 060455 MWWEKA URGENT - MARINE WEATHER MESSAGE National Weather Service Eureka CA 855 PM PST Tue Jan 5 2021 PZZ475-061300- /O.EXT.KEKA.SC.Y.0002.000000T0000Z-210106T1100Z/ /O.EXT.KEKA.SE.W.0003.210106T1100Z-210107T0100Z/ Cape Mendocino to Pt Arena 10 to 60 nm- 855 PM PST Tue Jan 5 2021 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 3 AM PST WEDNESDAY... ...HAZARDOUS SEAS WARNING NOW IN EFFECT FROM 3 AM TO 5 PM PST WEDNESDAY... * WHAT...For the Hazardous Seas Warning, very steep and hazardous seas 14 to 19 feet expected. For the Small Craft Advisory, south winds 15 to 25 kt with gusts up to 30 kt and seas 14 to 16 feet. * WHERE...Cape Mendocino to Pt Arena 10 to 60 nm. * WHEN...For the Hazardous Seas Warning, from 3 AM to 5 PM PST Wednesday. For the Small Craft Advisory, until 3 AM PST Wednesday. * 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. && $$ PZZ470-061300- /O.CON.KEKA.GL.W.0002.000000T0000Z-210106T1800Z/ Pt St George to Cape Mendocino 10 to 60 nm- 855 PM PST Tue Jan 5 2021 ...GALE WARNING REMAINS IN EFFECT UNTIL 10 AM PST WEDNESDAY... * WHAT...South winds 20 to 30 kt with gusts up to 40 kt and seas 16 to 21 feet. * WHERE...Pt St George to Cape Mendocino 10 to 60 nm. * WHEN...Until 10 AM PST Wednesday. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe conditions. && $$ PZZ450-455-061300- /O.CON.KEKA.SC.Y.0002.000000T0000Z-210108T1200Z/ Pt St George to Cape Mendocino out 10 nm- Cape Mendocino to Pt Arena out 10 nm- 855 PM PST Tue Jan 5 2021 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST FRIDAY... * WHAT...Southeast winds 15 to 25 kt with gusts up to 35 kt and seas 13 to 18 feet. * WHERE...Pt St George to Cape Mendocino out 10 nm and Cape Mendocino to Pt Arena out 10 nm. * WHEN...Until 4 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. && $$
241 WHUS76 KEKA 061054 MWWEKA URGENT - MARINE WEATHER MESSAGE National Weather Service Eureka CA 254 AM PST Wed Jan 6 2021 PZZ475-061900- /O.EXP.KEKA.SC.Y.0002.000000T0000Z-210106T1100Z/ /O.CON.KEKA.SE.W.0003.210106T1100Z-210107T0100Z/ Cape Mendocino to Pt Arena 10 to 60 nm- 254 AM PST Wed Jan 6 2021 ...HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL 5 PM PST THIS AFTERNOON... ...SMALL CRAFT ADVISORY WILL EXPIRE AT 3 AM PST EARLY THIS MORNING... * WHAT...Very steep and hazardous seas 17 to 20 feet expected. * WHERE...Cape Mendocino to Pt Arena 10 to 60 nm. * WHEN...For the Hazardous Seas Warning, from 3 AM to 5 PM PST Wednesday. For the Small Craft Advisory, until 3 AM PST Wednesday. * IMPACTS...Very steep and hazardous seas could capsize or cause damage to vessels. PRECAUTIONARY/PREPAREDNESS ACTIONS... Recreational boaters should remain in port. Commercial vessels should prepare for rough seas and consider remaining in port until hazardous seas subside. && $$ PZZ470-061900- /O.CON.KEKA.GL.W.0002.000000T0000Z-210106T1800Z/ /O.EXB.KEKA.SE.W.0003.210106T1800Z-210107T0200Z/ Pt St George to Cape Mendocino 10 to 60 nm- 254 AM PST Wed Jan 6 2021 ...GALE WARNING REMAINS IN EFFECT UNTIL 10 AM PST THIS MORNING... ...HAZARDOUS SEAS WARNING IN EFFECT FROM 10 AM THIS MORNING TO 6 PM PST THIS EVENING... * WHAT...For the Hazardous Seas Warning, very steep and hazardous seas 14 to 19 feet expected. For the Small Craft Advisory, south winds 15 to 25 kt with gusts up to 30 kt and seas 14 to 16 feet. * WHERE...Pt St George to Cape Mendocino 10 to 60 nm. * WHEN...For the Gale Warning, until 10 AM PST this morning. For the Hazardous Seas Warning, from 10 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... 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. && $$ PZZ450-455-061900- /O.EXT.KEKA.SC.Y.0002.000000T0000Z-210108T1800Z/ Pt St George to Cape Mendocino out 10 nm- Cape Mendocino to Pt Arena out 10 nm- 254 AM PST Wed Jan 6 2021 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 10 AM PST FRIDAY... * WHAT...Southeast winds 15 to 25 kt with gusts up to 35 kt and seas 13 to 18 feet. * WHERE...Pt St George to Cape Mendocino out 10 nm and Cape Mendocino to Pt Arena out 10 nm. * WHEN...Until 10 AM PST Friday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$
513 WHUS76 KEKA 061702 MWWEKA URGENT - MARINE WEATHER MESSAGE National Weather Service Eureka CA 902 AM PST Wed Jan 6 2021 PZZ470-070115- /O.CAN.KEKA.GL.W.0002.000000T0000Z-210106T1800Z/ /O.EXT.KEKA.SE.W.0003.210106T1702Z-210107T0200Z/ /O.NEW.KEKA.GL.A.0003.210108T0200Z-210108T1200Z/ Pt St George to Cape Mendocino 10 to 60 nm- 902 AM PST Wed Jan 6 2021 ...HAZARDOUS SEAS WARNING NOW IN EFFECT UNTIL 6 PM PST THIS EVENING... ...GALE WATCH IN EFFECT FROM THURSDAY EVENING THROUGH LATE THURSDAY NIGHT... * WHAT...For the Hazardous Seas Warning, very steep and hazardous seas 17 to 18 feet. For the Gale Watch, south winds 25 to 35 kt with gusts up to 45 kt and seas 15 to 20 feet possible. * WHERE...Pt St George to Cape Mendocino 10 to 60 nm. * WHEN...For the Hazardous Seas Warning, until 6 PM PST this evening. For the Gale Watch, from Thursday evening through late Thursday night. * IMPACTS...Strong winds can cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and seas. && $$ PZZ475-070115- /O.CON.KEKA.SE.W.0003.000000T0000Z-210107T0100Z/ /O.NEW.KEKA.GL.A.0003.210108T0200Z-210108T1200Z/ Cape Mendocino to Pt Arena 10 to 60 nm- 902 AM PST Wed Jan 6 2021 ...HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL 5 PM PST THIS AFTERNOON... ...GALE WATCH IN EFFECT FROM THURSDAY EVENING THROUGH LATE THURSDAY NIGHT... * WHAT...For the Hazardous Seas Warning, very steep and hazardous seas 16 to 18 feet. For the Gale Watch, south winds 20 to 30 kt with gusts up to 40 kt and seas 13 to 17 feet possible. * WHERE...Cape Mendocino to Pt Arena 10 to 60 nm. * WHEN...For the Hazardous Seas Warning, until 5 PM PST this afternoon. For the Gale Watch, from Thursday evening through late Thursday night. * IMPACTS...Strong winds can cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and seas. && $$ PZZ450-455-070115- /O.CON.KEKA.SC.Y.0002.000000T0000Z-210108T1800Z/ Pt St George to Cape Mendocino out 10 nm- Cape Mendocino to Pt Arena out 10 nm- 902 AM PST Wed Jan 6 2021 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST FRIDAY... * WHAT...South winds 15 to 25 kt with gusts up to 35 kt and seas 14 to 19 feet. * WHERE...Pt St George to Cape Mendocino out 10 nm and Cape Mendocino to Pt Arena out 10 nm. * WHEN...Until 10 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. && $$
988 WHUS76 KEKA 062218 MWWEKA URGENT - MARINE WEATHER MESSAGE National Weather Service Eureka CA 218 PM PST Wed Jan 6 2021 PZZ470-070630- /O.CAN.KEKA.SE.W.0003.000000T0000Z-210107T0200Z/ /O.EXB.KEKA.SC.Y.0002.000000T0000Z-210108T0000Z/ /O.EXT.KEKA.GL.A.0003.210108T0000Z-210108T1200Z/ Pt St George to Cape Mendocino 10 to 60 nm- 218 PM PST Wed Jan 6 2021 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM PST THURSDAY... ...GALE WATCH NOW IN EFFECT FROM THURSDAY AFTERNOON THROUGH LATE THURSDAY NIGHT... ...HAZARDOUS SEAS WARNING IS CANCELLED... * WHAT...For the Small Craft Advisory, south winds 15 to 25 kt with gusts up to 35 kt and seas 13 to 17 feet. For the Gale Watch, south winds 25 to 35 kt with gusts up to 45 kt and seas 16 to 19 feet possible. * WHERE...Pt St George to Cape Mendocino 10 to 60 nm. * WHEN...For the Small Craft Advisory, until 4 PM PST Thursday. For the Gale Watch, from Thursday afternoon through late Thursday night. * IMPACTS...Strong winds can cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and seas. && $$ PZZ475-070630- /O.CAN.KEKA.SE.W.0003.000000T0000Z-210107T0100Z/ /O.EXB.KEKA.SC.Y.0002.000000T0000Z-210108T0000Z/ /O.EXT.KEKA.GL.A.0003.210108T0000Z-210108T1200Z/ Cape Mendocino to Pt Arena 10 to 60 nm- 218 PM PST Wed Jan 6 2021 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM PST THURSDAY... ...GALE WATCH NOW IN EFFECT FROM THURSDAY AFTERNOON THROUGH LATE THURSDAY NIGHT... ...HAZARDOUS SEAS WARNING IS CANCELLED... * WHAT...For the Small Craft Advisory, southeast winds 15 to 25 kt with gusts up to 30 kt and seas 13 to 16 feet. For the Gale Watch, south winds 20 to 30 kt with gusts up to 40 kt and seas 14 to 17 feet possible. * WHERE...Cape Mendocino to Pt Arena 10 to 60 nm. * WHEN...For the Small Craft Advisory, until 4 PM PST Thursday. For the Gale Watch, from Thursday afternoon through late Thursday night. * IMPACTS...Strong winds can cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and seas. && $$ PZZ450-455-070630- /O.EXT.KEKA.SC.Y.0002.000000T0000Z-210110T0000Z/ Pt St George to Cape Mendocino out 10 nm- Cape Mendocino to Pt Arena out 10 nm- 218 PM PST Wed Jan 6 2021 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 4 PM PST SATURDAY... * WHAT...Southeast winds 15 to 25 kt with gusts up to 35 kt and seas 13 to 18 feet. * WHERE...Pt St George to Cape Mendocino out 10 nm and Cape Mendocino to Pt Arena out 10 nm. * WHEN...Until 4 PM PST Saturday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$
The office that day
Everything else NWS Eureka, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 5, 2:37 AM PST | Gale Warning | EKA | 30 hr | |
| Jan 5, 3:40 AM PST | Winter Weather Advisory | EKA | 34 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.