Alert archive / California / Hazardous Seas Warnings in 2024
Hazardous Seas Warning 21, NWS Eureka, CA
NWS Eureka, CA issued this hazardous seas warning at May 21, 2024, 2:59 AM PDT. It was in force for 18 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
- May 21, 2024, 2:59 AM PDT (09:59 UTC)
- Expired
- May 21, 2024, 9:00 PM PDT
- In force
- 18 hr
- Issued by
- NWS Eureka, CA
The text
As transmitted.
646 WHUS76 KEKA 210959 MWWEKA URGENT - MARINE WEATHER MESSAGE National Weather Service Eureka CA 259 AM PDT Tue May 21 2024 PZZ455-211800- /O.EXP.KEKA.GL.W.0030.000000T0000Z-240521T1000Z/ /O.NEW.KEKA.SE.W.0021.240521T1000Z-240522T0400Z/ Cape Mendocino to Pt Arena out 10 nm- 259 AM PDT Tue May 21 2024 ...HAZARDOUS SEAS WARNING IN EFFECT UNTIL 9 PM PDT THIS EVENING... ...GALE WARNING WILL EXPIRE AT 3 AM PDT EARLY THIS MORNING... * WHAT...Very steep and hazardous seas 8 to 12 feet expected. * WHERE...Cape Mendocino to Pt Arena out 10 nm. * WHEN...Until 9 PM PDT 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. && $$ PZZ450-211800- /O.EXP.KEKA.GL.W.0030.000000T0000Z-240521T1000Z/ /O.NEW.KEKA.SC.Y.0059.240521T1000Z-240522T0400Z/ Pt St George to Cape Mendocino out 10 nm- 259 AM PDT Tue May 21 2024 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 PM PDT THIS EVENING... ...GALE WARNING WILL EXPIRE AT 3 AM PDT EARLY THIS MORNING... * WHAT...North winds 15 to 25 kt with gusts up to 30 kt and seas 7 to 11 feet expected. * WHERE...Pt St George to Cape Mendocino out 10 nm. * WHEN...Until 9 PM PDT this evening. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ PZZ470-211800- /O.CON.KEKA.GL.W.0030.000000T0000Z-240521T1600Z/ /O.NEW.KEKA.SC.Y.0059.240521T1600Z-240522T0400Z/ Pt St George to Cape Mendocino 10 to 60 nm- 259 AM PDT Tue May 21 2024 ...GALE WARNING REMAINS IN EFFECT UNTIL 9 AM PDT THIS MORNING... ...SMALL CRAFT ADVISORY IN EFFECT FROM 9 AM THIS MORNING TO 9 PM PDT THIS EVENING... * WHAT...For the Gale Warning, north winds 25 to 30 kt with gusts up to 40 kt and seas 11 to 14 feet. For the Small Craft Advisory, northwest winds 20 to 25 kt with gusts up to 30 kt and seas 7 to 11 feet expected. * WHERE...Pt St George to Cape Mendocino 10 to 60 nm. * WHEN...For the Gale Warning, until 9 AM PDT this morning. For the Small Craft Advisory, from 9 AM this morning to 9 PM PDT 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. && $$ PZZ475-211800- /O.CON.KEKA.GL.W.0030.000000T0000Z-240522T0400Z/ Cape Mendocino to Pt Arena 10 to 60 nm- 259 AM PDT Tue May 21 2024 ...GALE WARNING REMAINS IN EFFECT UNTIL 9 PM PDT THIS EVENING... * WHAT...North winds 25 to 30 kt with gusts up to 40 kt and seas 9 to 14 feet. * WHERE...Cape Mendocino to Pt Arena 10 to 60 nm. * WHEN...Until 9 PM PDT this evening. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe conditions. && $$
3 follow-up statements
119 WHUS76 KEKA 211600 MWWEKA URGENT - MARINE WEATHER MESSAGE National Weather Service Eureka CA 900 AM PDT Tue May 21 2024 PZZ470-220000- /O.EXP.KEKA.GL.W.0030.000000T0000Z-240521T1600Z/ /O.CON.KEKA.SC.Y.0059.000000T0000Z-240522T0400Z/ Pt St George to Cape Mendocino 10 to 60 nm- 900 AM PDT Tue May 21 2024 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 PM PDT THIS EVENING... ...GALE WARNING HAS EXPIRED... * WHAT...Northwest winds 20 to 25 kt with gusts up to 30 kt and seas 7 to 11 feet. * WHERE...Pt St George to Cape Mendocino 10 to 60 nm. * WHEN...Until 9 PM PDT this evening. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ PZZ475-220000- /O.CON.KEKA.GL.W.0030.000000T0000Z-240522T0400Z/ Cape Mendocino to Pt Arena 10 to 60 nm- 900 AM PDT Tue May 21 2024 ...GALE WARNING REMAINS IN EFFECT UNTIL 9 PM PDT THIS EVENING... * WHAT...North winds 25 to 30 kt with gusts up to 40 kt and seas 8 to 13 feet. * WHERE...Cape Mendocino to Pt Arena 10 to 60 nm. * WHEN...Until 9 PM PDT this evening. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe conditions. && $$ PZZ455-220000- /O.CON.KEKA.SE.W.0021.000000T0000Z-240522T0400Z/ Cape Mendocino to Pt Arena out 10 nm- 900 AM PDT Tue May 21 2024 ...HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL 9 PM PDT THIS EVENING... * WHAT...Very steep and hazardous seas 8 to 12 feet. * WHERE...Cape Mendocino to Pt Arena out 10 nm. * WHEN...Until 9 PM PDT 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. && $$ PZZ450-220000- /O.CON.KEKA.SC.Y.0059.000000T0000Z-240522T0400Z/ Pt St George to Cape Mendocino out 10 nm- 900 AM PDT Tue May 21 2024 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 PM PDT THIS EVENING... * WHAT...North winds 10 to 20 kt with gusts up to 30 kt and seas 7 to 9 feet. * WHERE...Pt St George to Cape Mendocino out 10 nm. * WHEN...Until 9 PM PDT this evening. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$
800 WHUS76 KEKA 212329 MWWEKA URGENT - MARINE WEATHER MESSAGE National Weather Service Eureka CA 429 PM PDT Tue May 21 2024 PZZ475-220400- /O.CON.KEKA.GL.W.0030.000000T0000Z-240522T0400Z/ Cape Mendocino to Pt Arena 10 to 60 nm- 429 PM PDT Tue May 21 2024 ...GALE WARNING REMAINS IN EFFECT UNTIL 9 PM PDT THIS EVENING... * WHAT...Northwest winds 20 to 30 kt with gusts to 40 kt and seas 10 to 13 feet. * WHERE...Cape Mendocino to Pt Arena 10 to 60 nm. * WHEN...Until 9 PM PDT 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. && $$ PZZ455-220400- /O.CON.KEKA.SE.W.0021.000000T0000Z-240522T0400Z/ Cape Mendocino to Pt Arena out 10 nm- 429 PM PDT Tue May 21 2024 ...HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL 9 PM PDT THIS EVENING... * WHAT...Very steep and hazardous seas 6 to 11 feet. * WHERE...Cape Mendocino to Pt Arena out 10 nm. * WHEN...Until 9 PM PDT this evening. * IMPACTS...Very steep and hazardous seas could capsize or cause damage to vessels. PRECAUTIONARY/PREPAREDNESS ACTIONS... Recreational boaters should remain in port. Commercial vessels should prepare for rough seas and consider remaining in port until hazardous seas subside. && $$ PZZ470-220730- /O.EXT.KEKA.SC.Y.0059.000000T0000Z-240522T1000Z/ Pt St George to Cape Mendocino 10 to 60 nm- 429 PM PDT Tue May 21 2024 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 3 AM PDT WEDNESDAY... * WHAT...Northwest winds 15 to 25 kt with gusts to 30 kt and seas 6 to 9 feet. * WHERE...Pt St George to Cape Mendocino 10 to 60 nm. * WHEN...Until 3 AM PDT Wednesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ PZZ450-220400- /O.CON.KEKA.SC.Y.0059.000000T0000Z-240522T0400Z/ Pt St George to Cape Mendocino out 10 nm- 429 PM PDT Tue May 21 2024 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 PM PDT THIS EVENING... * WHAT...North winds 10 to 20 kt with localized gusts to 35 kt and seas 6 to 9 feet. * WHERE...Pt St George to Cape Mendocino out 10 nm. * WHEN...Until 9 PM PDT this evening. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$
871 WHUS76 KEKA 220401 MWWEKA URGENT - MARINE WEATHER MESSAGE National Weather Service Eureka CA 901 PM PDT Tue May 21 2024 PZZ475-221215- /O.EXP.KEKA.GL.W.0030.000000T0000Z-240522T0400Z/ /O.EXB.KEKA.SC.Y.0059.000000T0000Z-240523T1600Z/ Cape Mendocino to Pt Arena 10 to 60 nm- 901 PM PDT Tue May 21 2024 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 AM PDT THURSDAY... ...GALE WARNING HAS EXPIRED... * WHAT...Northwest winds 20 to 30 kt with localized gusts to 40 kt and seas 7 to 10 feet. * WHERE...Cape Mendocino to Pt Arena 10 to 60 nm. * WHEN...Until 9 AM PDT Thursday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ PZZ455-221215- /O.EXP.KEKA.SE.W.0021.000000T0000Z-240522T0400Z/ /O.EXB.KEKA.SC.Y.0059.000000T0000Z-240523T1600Z/ Cape Mendocino to Pt Arena out 10 nm- 901 PM PDT Tue May 21 2024 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 AM PDT THURSDAY... ...HAZARDOUS SEAS WARNING HAS EXPIRED... * WHAT...Northwest winds 20 to 30 kt with localized gusts to 40 kt and seas 7 to 10 feet. * WHERE...Cape Mendocino to Pt Arena out 10 nm. * WHEN...Until 9 AM PDT Thursday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ PZZ450-220515- /O.EXP.KEKA.SC.Y.0059.000000T0000Z-240522T0400Z/ Pt St George to Cape Mendocino out 10 nm- 901 PM PDT Tue May 21 2024 ...SMALL CRAFT ADVISORY HAS EXPIRED... $$ PZZ470-221215- /O.EXT.KEKA.SC.Y.0059.000000T0000Z-240523T1600Z/ Pt St George to Cape Mendocino 10 to 60 nm- 901 PM PDT Tue May 21 2024 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 9 AM PDT THURSDAY... * WHAT...Northwest winds 15 to 25 kt with gusts to 30 kt and seas 5 to 8 feet. * WHERE...Pt St George to Cape Mendocino 10 to 60 nm. * WHEN...Until 9 AM PDT Thursday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$
The office that day
Everything else NWS Eureka, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 21, 2:59 AM PDT | Small Craft Advisory | EKA | 3 days |
Nearby
Hazardous Seas Warnings in California, 2024Every hazardous seas warning in 2024
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.