Alert archive / California / Hazardous Seas Warnings in 2021
Hazardous Seas Warning 57, NWS Eureka, CA
NWS Eureka, CA issued this hazardous seas warning at Oct 11, 2021, 2:06 PM PDT. It took effect at Oct 11, 2021, 9:00 PM PDT. It was in force for 6 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
- Oct 11, 2021, 2:06 PM PDT (21:06 UTC)
- In effect from
- Oct 11, 2021, 9:00 PM PDT
- Expired
- Oct 12, 2021, 3:00 AM PDT
- In force
- 6 hr
- Issued by
- NWS Eureka, CA
The text
As transmitted.
348 WHUS76 KEKA 112106 MWWEKA URGENT - MARINE WEATHER MESSAGE National Weather Service Eureka CA 206 PM PDT Mon Oct 11 2021 PZZ475-120515- /O.CON.KEKA.GL.W.0045.000000T0000Z-211012T0400Z/ /O.NEW.KEKA.SE.W.0057.211012T0400Z-211012T1000Z/ Cape Mendocino to Pt Arena 10 to 60 nm- 206 PM PDT Mon Oct 11 2021 ...GALE WARNING REMAINS IN EFFECT UNTIL 9 PM PDT THIS EVENING... ...HAZARDOUS SEAS WARNING IN EFFECT FROM 9 PM THIS EVENING TO 3 AM PDT TUESDAY... * WHAT...For the Gale Warning, north winds 25 to 30 kt with gusts up to 40 kt and seas 13 to 15 feet. For the Hazardous Seas Warning, very steep and hazardous seas 12 to 15 feet expected. * WHERE...Cape Mendocino to Pt Arena 10 to 60 nm. * WHEN...For the Gale Warning, until 9 PM PDT this evening. For the Hazardous Seas Warning, from 9 PM this evening to 3 AM PDT Tuesday. * 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. && $$ PZZ455-120400- /O.CON.KEKA.GL.W.0045.000000T0000Z-211012T0400Z/ Cape Mendocino to Pt Arena out 10 nm- 206 PM PDT Mon Oct 11 2021 ...GALE WARNING REMAINS IN EFFECT UNTIL 9 PM PDT THIS EVENING... * WHAT...Northwest winds 25 to 30 kt with gusts up to 40 kt and seas 10 to 14 feet. * WHERE...Cape Mendocino to Pt Arena out 10 nm. * WHEN...Until 9 PM PDT this evening. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe conditions. && $$ PZZ450-120515- /O.CON.KEKA.SC.Y.0103.000000T0000Z-211012T1600Z/ Pt St George to Cape Mendocino out 10 nm- 206 PM PDT Mon Oct 11 2021 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 AM PDT TUESDAY... * WHAT...North winds 15 to 25 kt with gusts up to 30 kt and seas 8 to 13 feet. * WHERE...Pt St George to Cape Mendocino out 10 nm. * WHEN...Until 9 AM PDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ PZZ470-120515- /O.CON.KEKA.SC.Y.0103.000000T0000Z-211012T1600Z/ Pt St George to Cape Mendocino 10 to 60 nm- 206 PM PDT Mon Oct 11 2021 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 AM PDT TUESDAY... * WHAT...North winds 15 to 25 kt with gusts up to 30 kt and seas 10 to 14 feet. * WHERE...Pt St George to Cape Mendocino 10 to 60 nm. * WHEN...Until 9 AM PDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$
2 follow-up statements
790 WHUS76 KEKA 120351 MWWEKA URGENT - MARINE WEATHER MESSAGE National Weather Service Eureka CA 851 PM PDT Mon Oct 11 2021 PZZ475-121000- /O.EXP.KEKA.GL.W.0045.000000T0000Z-211012T0400Z/ /O.CON.KEKA.SE.W.0057.211012T0400Z-211012T1000Z/ Cape Mendocino to Pt Arena 10 to 60 nm- 851 PM PDT Mon Oct 11 2021 ...HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL 3 AM PDT TUESDAY... * WHAT...Very steep and hazardous seas 12 to 15 feet expected. * WHERE...Cape Mendocino to Pt Arena 10 to 60 nm. * WHEN...Until 3 AM PDT Tuesday. * 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. && $$ PZZ455-121200- /O.EXP.KEKA.GL.W.0045.000000T0000Z-211012T0400Z/ /O.NEW.KEKA.SC.Y.0104.211012T0400Z-211012T1600Z/ Cape Mendocino to Pt Arena out 10 nm- 851 PM PDT Mon Oct 11 2021 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 AM PDT TUESDAY... * WHAT...North winds 15 to 25 kt with gusts up to 30 kt and seas 9 to 14 feet expected. * WHERE...Cape Mendocino to Pt Arena out 10 nm. * WHEN...Until 9 AM PDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ PZZ450-121200- /O.CON.KEKA.SC.Y.0103.000000T0000Z-211012T1600Z/ Pt St George to Cape Mendocino out 10 nm- 851 PM PDT Mon Oct 11 2021 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 AM PDT TUESDAY... * WHAT...North winds 10 to 20 kt with gusts up to 30 kt and seas 8 to 12 feet. * WHERE...Pt St George to Cape Mendocino out 10 nm. * WHEN...Until 9 AM PDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ PZZ470-121200- /O.CON.KEKA.SC.Y.0103.000000T0000Z-211012T1600Z/ Pt St George to Cape Mendocino 10 to 60 nm- 851 PM PDT Mon Oct 11 2021 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 AM PDT TUESDAY... * WHAT...North winds 15 to 20 kt with gusts up to 30 kt and seas 10 to 12 feet. * WHERE...Pt St George to Cape Mendocino 10 to 60 nm. * WHEN...Until 9 AM PDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$
499 WHUS76 KEKA 121000 MWWEKA URGENT - MARINE WEATHER MESSAGE National Weather Service Eureka CA 300 AM PDT Tue Oct 12 2021 PZZ475-121800- /O.EXP.KEKA.SE.W.0057.000000T0000Z-211012T1000Z/ /O.EXB.KEKA.SC.Y.0104.000000T0000Z-211013T0400Z/ Cape Mendocino to Pt Arena 10 to 60 nm- 300 AM PDT Tue Oct 12 2021 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 PM PDT THIS EVENING... ...HAZARDOUS SEAS WARNING HAS EXPIRED... * WHAT...Northwest winds 15 to 25 kt with gusts up to 30 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...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ PZZ455-121800- /O.EXT.KEKA.SC.Y.0104.000000T0000Z-211013T0400Z/ Cape Mendocino to Pt Arena out 10 nm- 300 AM PDT Tue Oct 12 2021 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 9 PM PDT THIS EVENING... * WHAT...Northwest winds 10 to 20 kt with gusts up to 25 kt and seas 6 to 11 feet. * WHERE...Cape Mendocino to Pt Arena out 10 nm. * WHEN...Until 9 PM PDT this evening. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ PZZ450-121600- /O.CON.KEKA.SC.Y.0103.000000T0000Z-211012T1600Z/ Pt St George to Cape Mendocino out 10 nm- 300 AM PDT Tue Oct 12 2021 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 AM PDT THIS MORNING... * WHAT...North winds 10 to 20 kt with gusts up to 25 kt and seas 8 to 12 feet. * WHERE...Pt St George to Cape Mendocino out 10 nm. * WHEN...Until 9 AM PDT this morning. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ PZZ470-121600- /O.CON.KEKA.SC.Y.0103.000000T0000Z-211012T1600Z/ Pt St George to Cape Mendocino 10 to 60 nm- 300 AM PDT Tue Oct 12 2021 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 AM PDT THIS MORNING... * WHAT...North winds 15 to 20 kt with gusts up to 25 kt and seas 9 to 13 feet. * WHERE...Pt St George to Cape Mendocino 10 to 60 nm. * WHEN...Until 9 AM PDT this morning. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$
The office that day
Everything else NWS Eureka, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 11, 7:58 AM PDT | Hard Freeze Watch | EKA | Humboldt, Trinity | 6 hr |
| Oct 11, 2:11 PM PDT | Freeze Warning | EKA | Del Norte, Humboldt, Lake, Mendocino | 19 hr |
| Oct 11, 2:11 PM PDT | Hard Freeze Warning | EKA | Humboldt, Trinity | 19 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.