Alert archive / California / Small Craft Advisories in 2021
Small Craft Advisory 138, NWS Eureka, CA
NWS Eureka, CA issued this small craft advisory at Dec 16, 2021, 5:15 AM PST. It took effect at Dec 16, 2021, 8:59 AM PST. It was in force for 21 hr.
The area
The counties it named.
The facts
- Issued
- Dec 16, 2021, 5:15 AM PST (13:15 UTC)
- In effect from
- Dec 16, 2021, 8:59 AM PST
- Expired
- Dec 17, 2021, 6:17 AM PST
- In force
- 21 hr
- Issued by
- NWS Eureka, CA
The text
As transmitted.
691 WHUS76 KEKA 161315 AAA MWWEKA URGENT - MARINE WEATHER MESSAGE...UPDATED National Weather Service Eureka CA 515 AM PST Thu Dec 16 2021 PZZ450-470-162115- /O.UPG.KEKA.SC.Y.0137.000000T0000Z-211217T0800Z/ /O.NEW.KEKA.SE.W.0066.211216T1315Z-211216T2100Z/ /O.NEW.KEKA.SC.Y.0138.211216T2100Z-211217T0800Z/ Pt St George to Cape Mendocino out 10 nm- Pt St George to Cape Mendocino 10 to 60 nm- 515 AM PST Thu Dec 16 2021 ...HAZARDOUS SEAS WARNING IN EFFECT UNTIL 1 PM PST THIS AFTERNOON... ...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM THIS AFTERNOON TO MIDNIGHT PST TONIGHT... * WHAT...For the Hazardous Seas Warning, very steep and hazardous seas 16 to 18 feet. For the Small Craft Advisory, seas 11 to 14 feet expected. * WHERE...Pt St George to Cape Mendocino out 10 nm and Pt St George to Cape Mendocino 10 to 60 nm. * WHEN...For the Hazardous Seas Warning, until 1 PM PST this afternoon. For the Small Craft Advisory, from 1 PM this afternoon to midnight PST tonight. * 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. && $$ PZZ455-475-162115- /O.CON.KEKA.SC.Y.0137.000000T0000Z-211217T0800Z/ Cape Mendocino to Pt Arena out 10 nm- Cape Mendocino to Pt Arena 10 to 60 nm- 515 AM PST Thu Dec 16 2021 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT PST TONIGHT... * WHAT...Northwest winds 10 to 15 kt with gusts up to 25 kt and seas 11 to 14 feet. * WHERE...Cape Mendocino to Pt Arena out 10 nm and Cape Mendocino to Pt Arena 10 to 60 nm. * WHEN...Until midnight PST tonight. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$
6 follow-up statements
007 WHUS76 KEKA 161659 MWWEKA URGENT - MARINE WEATHER MESSAGE National Weather Service Eureka CA 859 AM PST Thu Dec 16 2021 PZZ450-470-170100- /O.CAN.KEKA.SE.W.0066.000000T0000Z-211216T2100Z/ /O.EXT.KEKA.SC.Y.0138.211216T1659Z-211217T1000Z/ Pt St George to Cape Mendocino out 10 nm- Pt St George to Cape Mendocino 10 to 60 nm- 859 AM PST Thu Dec 16 2021 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 2 AM PST FRIDAY... ...HAZARDOUS SEAS WARNING IS CANCELLED... * WHAT...Seas 10 to 14 feet. * WHERE...Pt St George to Cape Mendocino out 10 nm and Pt St George to Cape Mendocino 10 to 60 nm. * WHEN...Until 2 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. && $$ PZZ455-475-170100- /O.EXT.KEKA.SC.Y.0137.000000T0000Z-211217T1000Z/ Cape Mendocino to Pt Arena out 10 nm- Cape Mendocino to Pt Arena 10 to 60 nm- 859 AM PST Thu Dec 16 2021 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 2 AM PST FRIDAY... * WHAT...Seas 10 to 14 feet. * WHERE...Cape Mendocino to Pt Arena out 10 nm and Cape Mendocino to Pt Arena 10 to 60 nm. * WHEN...Until 2 AM PST Friday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$
740 WHUS76 KEKA 162212 MWWEKA URGENT - MARINE WEATHER MESSAGE National Weather Service Eureka CA 212 PM PST Thu Dec 16 2021 PZZ450-470-170615- /O.EXT.KEKA.SC.Y.0138.000000T0000Z-211217T1100Z/ Pt St George to Cape Mendocino out 10 nm- Pt St George to Cape Mendocino 10 to 60 nm- 212 PM PST Thu Dec 16 2021 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 3 AM PST FRIDAY... * WHAT...Seas 10 to 12 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 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. && $$ PZZ455-475-170615- /O.EXT.KEKA.SC.Y.0137.000000T0000Z-211217T1100Z/ Cape Mendocino to Pt Arena out 10 nm- Cape Mendocino to Pt Arena 10 to 60 nm- 212 PM PST Thu Dec 16 2021 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 3 AM PST FRIDAY... * WHAT...Seas 10 to 12 feet. * WHERE...Cape Mendocino to Pt Arena out 10 nm and Cape Mendocino to Pt Arena 10 to 60 nm. * WHEN...Until 3 AM PST Friday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$
898 WHUS76 KEKA 170451 MWWEKA URGENT - MARINE WEATHER MESSAGE National Weather Service Eureka CA 851 PM PST Thu Dec 16 2021 PZZ450-470-171100- /O.CON.KEKA.SC.Y.0138.000000T0000Z-211217T1100Z/ Pt St George to Cape Mendocino out 10 nm- Pt St George to Cape Mendocino 10 to 60 nm- 851 PM PST Thu Dec 16 2021 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM PST FRIDAY... * WHAT...Seas around 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 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. && $$ PZZ455-475-171100- /O.CON.KEKA.SC.Y.0137.000000T0000Z-211217T1100Z/ Cape Mendocino to Pt Arena out 10 nm- Cape Mendocino to Pt Arena 10 to 60 nm- 851 PM PST Thu Dec 16 2021 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM PST FRIDAY... * WHAT...Seas around 10 feet. * WHERE...Cape Mendocino to Pt Arena out 10 nm and Cape Mendocino to Pt Arena 10 to 60 nm. * WHEN...Until 3 AM PST Friday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$
533 WHUS76 KEKA 171004 MWWEKA URGENT - MARINE WEATHER MESSAGE National Weather Service Eureka CA 204 AM PST Fri Dec 17 2021 PZZ470-171815- /O.EXT.KEKA.SC.Y.0138.000000T0000Z-211217T1300Z/ /O.NEW.KEKA.GL.A.0045.211219T1200Z-211220T0000Z/ Pt St George to Cape Mendocino 10 to 60 nm- 204 AM PST Fri Dec 17 2021 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 5 AM PST EARLY THIS MORNING... ...GALE WATCH IN EFFECT FROM LATE SATURDAY NIGHT THROUGH SUNDAY AFTERNOON... * WHAT...For the Small Craft Advisory, seas 8 to 10 feet. For the Gale Watch, south winds 25 to 30 kt with gusts up to 40 kt and seas 7 to 12 feet possible. * WHERE...Pt St George to Cape Mendocino 10 to 60 nm. * WHEN...For the Small Craft Advisory, until 5 AM PST early this morning. For the Gale Watch, from late Saturday night through Sunday afternoon. * 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. && $$ PZZ450-171300- /O.EXT.KEKA.SC.Y.0138.000000T0000Z-211217T1300Z/ Pt St George to Cape Mendocino out 10 nm- 204 AM PST Fri Dec 17 2021 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 5 AM PST EARLY THIS MORNING... * WHAT...Seas 8 to 10 feet. * WHERE...Pt St George to Cape Mendocino out 10 nm. * WHEN...Until 5 AM PST early this morning. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ PZZ455-475-171300- /O.EXT.KEKA.SC.Y.0137.000000T0000Z-211217T1300Z/ Cape Mendocino to Pt Arena out 10 nm- Cape Mendocino to Pt Arena 10 to 60 nm- 204 AM PST Fri Dec 17 2021 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 5 AM PST EARLY THIS MORNING... * WHAT...Seas 7 to 10 feet. * WHERE...Cape Mendocino to Pt Arena out 10 nm and Cape Mendocino to Pt Arena 10 to 60 nm. * WHEN...Until 5 AM PST early 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. && $$
204 WHUS76 KEKA 171247 MWWEKA URGENT - MARINE WEATHER MESSAGE National Weather Service Eureka CA 447 AM PST Fri Dec 17 2021 PZZ470-172100- /O.EXT.KEKA.SC.Y.0138.000000T0000Z-211217T1500Z/ /O.CON.KEKA.GL.A.0045.211219T1200Z-211220T0000Z/ Pt St George to Cape Mendocino 10 to 60 nm- 447 AM PST Fri Dec 17 2021 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 7 AM PST THIS MORNING... ...GALE WATCH REMAINS IN EFFECT FROM LATE SATURDAY NIGHT THROUGH SUNDAY AFTERNOON... * WHAT...For the Small Craft Advisory, seas around 8 feet. For the Gale Watch, south winds 25 to 30 kt with gusts up to 40 kt and seas 7 to 12 feet possible. * WHERE...Pt St George to Cape Mendocino 10 to 60 nm. * WHEN...For the Small Craft Advisory, until 7 AM PST this morning. For the Gale Watch, from late Saturday night through Sunday afternoon. * IMPACTS...Strong winds can cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and seas. && $$ PZZ450-171500- /O.EXT.KEKA.SC.Y.0138.000000T0000Z-211217T1500Z/ Pt St George to Cape Mendocino out 10 nm- 447 AM PST Fri Dec 17 2021 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 7 AM PST THIS MORNING... * WHAT...Seas around 8 feet. * WHERE...Pt St George to Cape Mendocino out 10 nm. * WHEN...Until 7 AM PST 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. && $$ PZZ455-475-171500- /O.EXT.KEKA.SC.Y.0137.000000T0000Z-211217T1500Z/ Cape Mendocino to Pt Arena out 10 nm- Cape Mendocino to Pt Arena 10 to 60 nm- 447 AM PST Fri Dec 17 2021 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 7 AM PST THIS MORNING... * WHAT...Seas 7 to 9 feet. * WHERE...Cape Mendocino to Pt Arena out 10 nm and Cape Mendocino to Pt Arena 10 to 60 nm. * WHEN...Until 7 AM PST this morning. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$
630 WHUS76 KEKA 171417 MWWEKA URGENT - MARINE WEATHER MESSAGE National Weather Service Eureka CA 617 AM PST Fri Dec 17 2021 PZZ470-172230- /O.CAN.KEKA.SC.Y.0138.000000T0000Z-211217T1500Z/ /O.CON.KEKA.GL.A.0045.211219T1200Z-211220T0000Z/ Pt St George to Cape Mendocino 10 to 60 nm- 617 AM PST Fri Dec 17 2021 ...GALE WATCH REMAINS IN EFFECT FROM LATE SATURDAY NIGHT THROUGH SUNDAY AFTERNOON... * WHAT...South winds 25 to 30 kt with gusts up to 40 kt and seas 7 to 12 feet possible. * WHERE...Pt St George to Cape Mendocino 10 to 60 nm. * WHEN...From late Saturday night through Sunday afternoon. * 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. && $$ PZZ450-171530- /O.CAN.KEKA.SC.Y.0138.000000T0000Z-211217T1500Z/ Pt St George to Cape Mendocino out 10 nm- 617 AM PST Fri Dec 17 2021 ...SMALL CRAFT ADVISORY IS CANCELLED... $$ PZZ455-475-171530- /O.CAN.KEKA.SC.Y.0137.000000T0000Z-211217T1500Z/ Cape Mendocino to Pt Arena out 10 nm- Cape Mendocino to Pt Arena 10 to 60 nm- 617 AM PST Fri Dec 17 2021 ...SMALL CRAFT ADVISORY IS CANCELLED... $$
The office that day
Everything else NWS Eureka, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 15, 8:34 PM PST | Small Craft Advisory | EKA | 34 hr | |
| Dec 15, 10:09 PM PST | Winter Weather Advisory | EKA | Del Norte, Humboldt, Trinity | 8 hr |
| Dec 16, 4:21 AM PST | Frost Advisory | EKA | Del Norte, Humboldt, Mendocino | 29 hr |
| Dec 16, 5:15 AM PST | Hazardous Seas Warning | EKA | 4 hr |
Nearby
Small Craft Advisories in California, 2021Every small craft advisory 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.