Alert archive / California / Small Craft Advisories in 2021
Small Craft Advisory 137, NWS Eureka, CA
NWS Eureka, CA issued this small craft advisory at Dec 15, 2021, 8:34 PM PST. It took effect at Dec 15, 2021, 9:00 PM PST. It was in force for 33 hr.
The area
The counties it named.
The facts
- Issued
- Dec 15, 2021, 8:34 PM PST (04:34 UTC)
- In effect from
- Dec 15, 2021, 9:00 PM PST
- Expired
- Dec 17, 2021, 6:17 AM PST
- In force
- 33 hr
- Issued by
- NWS Eureka, CA
The text
As transmitted.
378 WHUS76 KEKA 160434 MWWEKA URGENT - MARINE WEATHER MESSAGE National Weather Service Eureka CA 834 PM PST Wed Dec 15 2021 PZZ450-161245- /O.EXP.KEKA.SE.W.0065.000000T0000Z-211216T0500Z/ /O.NEW.KEKA.SC.Y.0137.211216T0500Z-211217T0500Z/ Pt St George to Cape Mendocino out 10 nm- 834 PM PST Wed Dec 15 2021 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 PM PST THURSDAY... * WHAT...West winds 5 to 15 kt with gusts up to 25 kt and seas 10 to 14 feet expected. * WHERE...Pt St George to Cape Mendocino out 10 nm. * WHEN...Until 9 PM PST 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. && $$ PZZ455-161245- /O.EXP.KEKA.SE.W.0065.000000T0000Z-211216T0500Z/ /O.NEW.KEKA.SC.Y.0137.211216T0500Z-211217T0500Z/ Cape Mendocino to Pt Arena out 10 nm- 834 PM PST Wed Dec 15 2021 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 PM PST THURSDAY... * WHAT...Seas 10 to 13 feet expected. * WHERE...Cape Mendocino to Pt Arena out 10 nm. * WHEN...Until 9 PM PST Thursday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ PZZ470-161245- /O.EXP.KEKA.SE.W.0065.000000T0000Z-211216T0500Z/ /O.NEW.KEKA.SC.Y.0137.211216T0500Z-211217T0500Z/ Pt St George to Cape Mendocino 10 to 60 nm- 834 PM PST Wed Dec 15 2021 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 PM PST THURSDAY... * WHAT...Northwest winds 10 to 20 kt with gusts up to 25 kt and seas 12 to 16 feet expected. * WHERE...Pt St George to Cape Mendocino 10 to 60 nm. * WHEN...Until 9 PM PST 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. && $$ PZZ475-161245- /O.EXP.KEKA.SE.W.0065.000000T0000Z-211216T0500Z/ /O.NEW.KEKA.SC.Y.0137.211216T0500Z-211217T0500Z/ Cape Mendocino to Pt Arena 10 to 60 nm- 834 PM PST Wed Dec 15 2021 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 PM PST THURSDAY... * WHAT...Northwest winds 10 to 20 kt with gusts up to 25 kt and seas 12 to 15 feet expected. * WHERE...Cape Mendocino to Pt Arena 10 to 60 nm. * WHEN...Until 9 PM PST Thursday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$
8 follow-up statements
218 WHUS76 KEKA 161031 MWWEKA URGENT - MARINE WEATHER MESSAGE National Weather Service Eureka CA 231 AM PST Thu Dec 16 2021 PZZ450-455-470-475-161845- /O.EXT.KEKA.SC.Y.0137.000000T0000Z-211217T0800Z/ Pt St George to Cape Mendocino out 10 nm- Cape Mendocino to Pt Arena out 10 nm- Pt St George to Cape Mendocino 10 to 60 nm- Cape Mendocino to Pt Arena 10 to 60 nm- 231 AM PST Thu Dec 16 2021 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL MIDNIGHT PST TONIGHT... * WHAT...Northwest winds 5 to 15 kt with gusts up to 25 kt and seas 11 to 15 feet. * WHERE...Pt St George to Cape Mendocino out 10 nm, Pt St George to Cape Mendocino 10 to 60 nm, 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. && $$
691 WHUS76 KEKA 161315 AAA MWWEKA URGENT - MARINE WEATHER MESSAGE...UPDATED National Weather Service Eureka CA 515 AM PST Thu Dec 16 2021 PZZ450-470-162115- /O.UPG.KEKA.SC.Y.0137.000000T0000Z-211217T0800Z/ /O.NEW.KEKA.SE.W.0066.211216T1315Z-211216T2100Z/ /O.NEW.KEKA.SC.Y.0138.211216T2100Z-211217T0800Z/ Pt St George to Cape Mendocino out 10 nm- Pt St George to Cape Mendocino 10 to 60 nm- 515 AM PST Thu Dec 16 2021 ...HAZARDOUS SEAS WARNING IN EFFECT UNTIL 1 PM PST THIS AFTERNOON... ...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM THIS AFTERNOON TO MIDNIGHT PST TONIGHT... * WHAT...For the Hazardous Seas Warning, very steep and hazardous seas 16 to 18 feet. For the Small Craft Advisory, seas 11 to 14 feet expected. * WHERE...Pt St George to Cape Mendocino out 10 nm and Pt St George to Cape Mendocino 10 to 60 nm. * WHEN...For the Hazardous Seas Warning, until 1 PM PST this afternoon. For the Small Craft Advisory, from 1 PM this afternoon to midnight PST tonight. * IMPACTS...Very steep and hazardous seas could capsize or cause damage to vessels. PRECAUTIONARY/PREPAREDNESS ACTIONS... Recreational boaters should remain in port. Commercial vessels should prepare for rough seas and consider remaining in port until hazardous seas subside. && $$ 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. && $$
007 WHUS76 KEKA 161659 MWWEKA URGENT - MARINE WEATHER MESSAGE National Weather Service Eureka CA 859 AM PST Thu Dec 16 2021 PZZ450-470-170100- /O.CAN.KEKA.SE.W.0066.000000T0000Z-211216T2100Z/ /O.EXT.KEKA.SC.Y.0138.211216T1659Z-211217T1000Z/ Pt St George to Cape Mendocino out 10 nm- Pt St George to Cape Mendocino 10 to 60 nm- 859 AM PST Thu Dec 16 2021 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 2 AM PST FRIDAY... ...HAZARDOUS SEAS WARNING IS CANCELLED... * WHAT...Seas 10 to 14 feet. * WHERE...Pt St George to Cape Mendocino out 10 nm and Pt St George to Cape Mendocino 10 to 60 nm. * WHEN...Until 2 AM PST Friday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ 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, 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 | Small Craft Advisory | EKA | 25 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.