Alert archive / California / Hazardous Seas Warnings in 2021
Hazardous Seas Warning 45, NWS Eureka, CA
NWS Eureka, CA issued this hazardous seas warning at Aug 18, 2021, 8:40 PM PDT. It was in force for 15 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
- Aug 18, 2021, 8:40 PM PDT (03:40 UTC)
- Expired
- Aug 19, 2021, 12:00 PM PDT
- In force
- 15 hr
- Issued by
- NWS Eureka, CA
The text
As transmitted.
287 WHUS76 KEKA 190340 MWWEKA URGENT - MARINE WEATHER MESSAGE National Weather Service Eureka CA 840 PM PDT Wed Aug 18 2021 PZZ450-191145- /O.CAN.KEKA.GL.W.0038.000000T0000Z-210819T0400Z/ /O.NEW.KEKA.SE.W.0045.210819T0340Z-210819T1900Z/ /O.NEW.KEKA.GL.W.0039.210819T1900Z-210820T0400Z/ Pt St George to Cape Mendocino out 10 nm- 840 PM PDT Wed Aug 18 2021 ...HAZARDOUS SEAS WARNING IN EFFECT UNTIL NOON PDT THURSDAY... ...GALE WARNING IN EFFECT FROM NOON TO 9 PM PDT THURSDAY... * WHAT...For the Hazardous Seas Warning, very steep and hazardous seas 8 to 12 feet. For the Gale Warning, north winds 20 to 30 kt with gusts up to 45 kt and seas 8 to 12 feet expected. * WHERE...Pt St George to Cape Mendocino out 10 nm. * WHEN...For the Hazardous Seas Warning, until noon PDT Thursday. For the Gale Warning, from noon to 9 PM PDT Thursday. * 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. && $$ PZZ475-191145- /O.EXT.KEKA.GL.W.0038.000000T0000Z-210820T1900Z/ Cape Mendocino to Pt Arena 10 to 60 nm- 840 PM PDT Wed Aug 18 2021 ...GALE WARNING NOW IN EFFECT UNTIL NOON PDT FRIDAY... * WHAT...North winds 25 to 35 kt with gusts up to 40 kt and seas 10 to 15 feet. * WHERE...Cape Mendocino to Pt Arena 10 to 60 nm. * WHEN...Until noon PDT Friday. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe conditions. && $$ PZZ470-191145- /O.CON.KEKA.GL.W.0038.000000T0000Z-210820T1900Z/ Pt St George to Cape Mendocino 10 to 60 nm- 840 PM PDT Wed Aug 18 2021 ...GALE WARNING REMAINS IN EFFECT UNTIL NOON PDT FRIDAY... * WHAT...North winds 25 to 35 kt with gusts up to 45 kt and seas 11 to 15 feet. * WHERE...Pt St George to Cape Mendocino 10 to 60 nm. * WHEN...Until noon PDT Friday. * 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. && $$ PZZ455-191145- /O.CON.KEKA.SC.Y.0084.000000T0000Z-210820T1000Z/ Cape Mendocino to Pt Arena out 10 nm- 840 PM PDT Wed Aug 18 2021 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM PDT FRIDAY... * WHAT...Northwest winds 15 to 25 kt with gusts up to 40 kt and seas 7 to 12 feet. * WHERE...Cape Mendocino to Pt Arena out 10 nm. * WHEN...Until 3 AM PDT Friday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$
2 follow-up statements
919 WHUS76 KEKA 190947 MWWEKA URGENT - MARINE WEATHER MESSAGE National Weather Service Eureka CA 247 AM PDT Thu Aug 19 2021 PZZ450-191800- /O.CON.KEKA.SE.W.0045.000000T0000Z-210819T1900Z/ /O.EXT.KEKA.GL.W.0039.210819T1900Z-210820T1000Z/ Pt St George to Cape Mendocino out 10 nm- 247 AM PDT Thu Aug 19 2021 ...HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL NOON PDT TODAY... ...GALE WARNING NOW IN EFFECT FROM NOON TODAY TO 3 AM PDT FRIDAY... * WHAT...For the Gale Warning, north winds 20 to 30 kt with gusts up to 45 kt and seas 8 to 13 feet expected. For the Hazardous Seas Warning, very steep and hazardous seas 8 to 12 feet. * WHERE...Pt St George to Cape Mendocino out 10 nm. * WHEN...For the Gale Warning, from noon today to 3 AM PDT Friday. For the Hazardous Seas Warning, until noon PDT 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. && $$ PZZ470-191800- /O.EXT.KEKA.GL.W.0038.000000T0000Z-210821T0400Z/ Pt St George to Cape Mendocino 10 to 60 nm- 247 AM PDT Thu Aug 19 2021 ...GALE WARNING NOW IN EFFECT UNTIL 9 PM PDT FRIDAY... * WHAT...North winds 25 to 35 kt with gusts up to 45 kt and seas 11 to 14 feet. * WHERE...Pt St George to Cape Mendocino 10 to 60 nm. * WHEN...Until 9 PM PDT Friday. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe conditions. && $$ PZZ475-191800- /O.EXT.KEKA.GL.W.0038.000000T0000Z-210821T0400Z/ Cape Mendocino to Pt Arena 10 to 60 nm- 247 AM PDT Thu Aug 19 2021 ...GALE WARNING NOW IN EFFECT UNTIL 9 PM PDT FRIDAY... * WHAT...North winds 25 to 35 kt with gusts up to 40 kt and seas 10 to 15 feet. * WHERE...Cape Mendocino to Pt Arena 10 to 60 nm. * WHEN...Until 9 PM PDT Friday. * 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. && $$ PZZ455-191800- /O.EXT.KEKA.SC.Y.0084.000000T0000Z-210821T0400Z/ Cape Mendocino to Pt Arena out 10 nm- 247 AM PDT Thu Aug 19 2021 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 9 PM PDT FRIDAY... * WHAT...Northwest winds 15 to 25 kt with localized gusts up to 40 kt and seas 6 to 11 feet. * WHERE...Cape Mendocino to Pt Arena out 10 nm. * WHEN...Until 9 PM PDT Friday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$
277 WHUS76 KEKA 191602 MWWEKA URGENT - MARINE WEATHER MESSAGE National Weather Service Eureka CA 902 AM PDT Thu Aug 19 2021 PZZ450-200015- /O.CON.KEKA.SE.W.0045.000000T0000Z-210819T1900Z/ /O.CON.KEKA.GL.W.0039.210819T1900Z-210820T1000Z/ Pt St George to Cape Mendocino out 10 nm- 902 AM PDT Thu Aug 19 2021 ...HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL NOON PDT TODAY... ...GALE WARNING REMAINS IN EFFECT FROM NOON TODAY TO 3 AM PDT FRIDAY... * WHAT...For the Hazardous Seas Warning, very steep and hazardous seas 7 to 10 feet. For the Gale Warning, north winds 20 to 30 kt with gusts up to 40 kt near Pt St George with seas 7 to 11 feet expected. Winds not as strong near Humboldt Bay. * WHERE...Pt St George to Cape Mendocino out 10 nm. * WHEN...For the Hazardous Seas Warning, until noon PDT today. For the Gale Warning, from noon today to 3 AM PDT Friday. * 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. && $$ PZZ470-200015- /O.CON.KEKA.GL.W.0038.000000T0000Z-210821T0400Z/ Pt St George to Cape Mendocino 10 to 60 nm- 902 AM PDT Thu Aug 19 2021 ...GALE WARNING REMAINS IN EFFECT UNTIL 9 PM PDT FRIDAY... * WHAT...North winds 25 to 35 kt with gusts up to 45 kt and seas 10 to 13 feet. * WHERE...Pt St George to Cape Mendocino 10 to 60 nm. * WHEN...Until 9 PM PDT Friday. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe conditions. && $$ PZZ475-200015- /O.CON.KEKA.GL.W.0038.000000T0000Z-210821T0400Z/ Cape Mendocino to Pt Arena 10 to 60 nm- 902 AM PDT Thu Aug 19 2021 ...GALE WARNING REMAINS IN EFFECT UNTIL 9 PM PDT FRIDAY... * WHAT...North winds 25 to 35 kt with gusts up to 40 kt and seas 10 to 13 feet. * WHERE...Cape Mendocino to Pt Arena 10 to 60 nm. * WHEN...Until 9 PM PDT Friday. * 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. && $$ PZZ455-200015- /O.CON.KEKA.SC.Y.0084.000000T0000Z-210821T0400Z/ Cape Mendocino to Pt Arena out 10 nm- 902 AM PDT Thu Aug 19 2021 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 PM PDT FRIDAY... * WHAT...Northwest winds 15 to 25 kt. Local gusts to 35 kt near Cape Mendocino. Much lighter and southerly winds at times from Ft Bragg southward. Steep seas 7 to 10 feet. * WHERE...Cape Mendocino to Pt Arena out 10 nm. * WHEN...Until 9 PM PDT Friday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$
The office that day
Everything else NWS Eureka, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 18, 8:40 PM PDT | Gale Warning | EKA | 30 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.