Alert archive / California / Hazardous Seas Warnings in 2021
Hazardous Seas Warning 34, NWS Eureka, CA
NWS Eureka, CA issued this hazardous seas warning at May 11, 2021, 2:34 AM PDT. It took effect at May 11, 2021, 12:00 PM PDT. It was in force for 14 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 11, 2021, 2:34 AM PDT (09:34 UTC)
- In effect from
- May 11, 2021, 12:00 PM PDT
- Expired
- May 12, 2021, 2:12 AM PDT
- In force
- 14 hr
- Issued by
- NWS Eureka, CA
The text
As transmitted.
875 WHUS76 KEKA 110934 MWWEKA URGENT - MARINE WEATHER MESSAGE National Weather Service Eureka CA 234 AM PDT Tue May 11 2021 PZZ475-111745- /O.CON.KEKA.GL.W.0024.000000T0000Z-210511T1900Z/ /O.NEW.KEKA.SE.W.0034.210511T1900Z-210512T1900Z/ Cape Mendocino to Pt Arena 10 to 60 nm- 234 AM PDT Tue May 11 2021 ...GALE WARNING REMAINS IN EFFECT UNTIL NOON PDT TODAY... ...HAZARDOUS SEAS WARNING IN EFFECT FROM NOON TODAY TO NOON PDT WEDNESDAY... * WHAT...For the Gale Warning, north winds 20 to 30 kt with gusts up to 35 kt and seas 12 to 14 feet. For the Hazardous Seas Warning, very steep and hazardous seas 9 to 12 feet expected. * WHERE...Cape Mendocino to Pt Arena 10 to 60 nm. * WHEN...For the Gale Warning, until noon PDT today. For the Hazardous Seas Warning, from noon today to noon PDT Wednesday. * 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. && $$ PZZ470-111745- /O.CON.KEKA.GL.W.0025.000000T0000Z-210512T0900Z/ Pt St George to Cape Mendocino 10 to 60 nm- 234 AM PDT Tue May 11 2021 ...GALE WARNING REMAINS IN EFFECT UNTIL 2 AM PDT WEDNESDAY... * WHAT...North winds 25 to 30 kt with gusts up to 40 kt and seas 11 to 13 feet. * WHERE...Pt St George to Cape Mendocino 10 to 60 nm. * WHEN...Until 2 AM PDT Wednesday. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe conditions. && $$ PZZ450-111200- /O.CON.KEKA.SE.W.0033.000000T0000Z-210511T1200Z/ Pt St George to Cape Mendocino out 10 nm- 234 AM PDT Tue May 11 2021 ...HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL 5 AM PDT EARLY THIS MORNING... * WHAT...Very steep and hazardous seas 9 to 11 feet. * WHERE...Pt St George to Cape Mendocino out 10 nm. * WHEN...Until 5 AM PDT early this morning. * 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. && $$ PZZ455-111200- /O.CON.KEKA.SC.Y.0055.000000T0000Z-210511T1200Z/ Cape Mendocino to Pt Arena out 10 nm- 234 AM PDT Tue May 11 2021 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 AM PDT EARLY THIS MORNING... * WHAT...North winds 10 to 20 kt with gusts up to 30 kt and seas 7 to 10 feet. * WHERE...Cape Mendocino to Pt Arena out 10 nm. * WHEN...Until 5 AM PDT early this morning. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$
6 follow-up statements
066 WHUS76 KEKA 111154 MWWEKA URGENT - MARINE WEATHER MESSAGE National Weather Service Eureka CA 454 AM PDT Tue May 11 2021 PZZ450-112000- /O.CAN.KEKA.SE.W.0033.000000T0000Z-210511T1200Z/ /O.EXB.KEKA.SC.Y.0055.000000T0000Z-210513T1300Z/ Pt St George to Cape Mendocino out 10 nm- 454 AM PDT Tue May 11 2021 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM PDT THURSDAY... ...HAZARDOUS SEAS WARNING IS CANCELLED... * WHAT...North winds 15 to 25 kt with gusts up to 40 kt and seas 7 to 10 feet. * WHERE...Pt St George to Cape Mendocino out 10 nm. * WHEN...Until 6 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. && $$ PZZ475-112000- /O.CON.KEKA.GL.W.0024.000000T0000Z-210511T1900Z/ /O.CON.KEKA.SE.W.0034.210511T1900Z-210512T1900Z/ Cape Mendocino to Pt Arena 10 to 60 nm- 454 AM PDT Tue May 11 2021 ...GALE WARNING REMAINS IN EFFECT UNTIL NOON PDT TODAY... ...HAZARDOUS SEAS WARNING REMAINS IN EFFECT FROM NOON TODAY TO NOON PDT WEDNESDAY... * WHAT...For the Gale Warning, north winds 20 to 30 kt with gusts up to 35 kt and seas 12 to 14 feet. For the Hazardous Seas Warning, very steep and hazardous seas 9 to 12 feet expected. * WHERE...Cape Mendocino to Pt Arena 10 to 60 nm. * WHEN...For the Gale Warning, until noon PDT today. For the Hazardous Seas Warning, from noon today to noon PDT Wednesday. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe conditions. && $$ PZZ470-112000- /O.CON.KEKA.GL.W.0025.000000T0000Z-210512T0900Z/ Pt St George to Cape Mendocino 10 to 60 nm- 454 AM PDT Tue May 11 2021 ...GALE WARNING REMAINS IN EFFECT UNTIL 2 AM PDT WEDNESDAY... * WHAT...North winds 25 to 30 kt with gusts up to 40 kt and seas 11 to 13 feet. * WHERE...Pt St George to Cape Mendocino 10 to 60 nm. * WHEN...Until 2 AM PDT Wednesday. * 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. && $$ PZZ455-112000- /O.EXT.KEKA.SC.Y.0055.000000T0000Z-210512T0100Z/ Cape Mendocino to Pt Arena out 10 nm- 454 AM PDT Tue May 11 2021 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 6 PM PDT THIS EVENING... * WHAT...Northwest winds 10 to 20 kt with gusts up to 35 kt and seas 7 to 10 feet. * WHERE...Cape Mendocino to Pt Arena out 10 nm. * WHEN...Until 6 PM PDT this evening. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$
552 WHUS76 KEKA 111539 MWWEKA URGENT - MARINE WEATHER MESSAGE National Weather Service Eureka CA 839 AM PDT Tue May 11 2021 PZZ475-112345- /O.CON.KEKA.GL.W.0024.000000T0000Z-210511T1900Z/ /O.CON.KEKA.SE.W.0034.210511T1900Z-210512T1900Z/ Cape Mendocino to Pt Arena 10 to 60 nm- 839 AM PDT Tue May 11 2021 ...GALE WARNING REMAINS IN EFFECT UNTIL NOON PDT TODAY... ...HAZARDOUS SEAS WARNING REMAINS IN EFFECT FROM NOON TODAY TO NOON PDT WEDNESDAY... * WHAT...For the Gale Warning, north winds 20 to 30 kt with gusts up to 35 kt and seas 10 to 14 feet. For the Hazardous Seas Warning, very steep and hazardous seas 9 to 12 feet expected. * WHERE...Cape Mendocino to Pt Arena 10 to 60 nm. * WHEN...For the Gale Warning, until noon PDT today. For the Hazardous Seas Warning, from noon today to noon PDT Wednesday. * 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. && $$ PZZ470-112345- /O.CON.KEKA.GL.W.0025.000000T0000Z-210512T0900Z/ Pt St George to Cape Mendocino 10 to 60 nm- 839 AM PDT Tue May 11 2021 ...GALE WARNING REMAINS IN EFFECT UNTIL 2 AM PDT WEDNESDAY... * WHAT...North winds 25 to 30 kt with gusts up to 40 kt and seas 11 to 13 feet. * WHERE...Pt St George to Cape Mendocino 10 to 60 nm. * WHEN...Until 2 AM PDT Wednesday. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe conditions. && $$ PZZ455-112345- /O.CON.KEKA.SC.Y.0055.000000T0000Z-210512T0100Z/ Cape Mendocino to Pt Arena out 10 nm- 839 AM PDT Tue May 11 2021 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 PM PDT THIS EVENING... * WHAT...Northwest winds 10 to 20 kt with gusts up to 35 kt and seas 7 to 10 feet. * WHERE...Cape Mendocino to Pt Arena out 10 nm. * WHEN...Until 6 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. && $$ PZZ450-112345- /O.CON.KEKA.SC.Y.0055.000000T0000Z-210513T1300Z/ Pt St George to Cape Mendocino out 10 nm- 839 AM PDT Tue May 11 2021 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 AM PDT THURSDAY... * WHAT...North winds 15 to 25 kt with gusts up to 35 kt and seas 7 to 10 feet. * WHERE...Pt St George to Cape Mendocino out 10 nm. * WHEN...Until 6 AM PDT Thursday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$
574 WHUS76 KEKA 112106 MWWEKA URGENT - MARINE WEATHER MESSAGE National Weather Service Eureka CA 206 PM PDT Tue May 11 2021 PZZ475-120515- /O.EXT.KEKA.SE.W.0034.000000T0000Z-210512T1200Z/ Cape Mendocino to Pt Arena 10 to 60 nm- 206 PM PDT Tue May 11 2021 ...HAZARDOUS SEAS WARNING NOW IN EFFECT UNTIL 5 AM PDT WEDNESDAY... * WHAT...Very steep and hazardous seas 10 to 12 feet. * WHERE...Cape Mendocino to Pt Arena 10 to 60 nm. * WHEN...Until 5 AM PDT Wednesday. * 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. && $$ PZZ470-120515- /O.CON.KEKA.GL.W.0025.000000T0000Z-210512T0900Z/ Pt St George to Cape Mendocino 10 to 60 nm- 206 PM PDT Tue May 11 2021 ...GALE WARNING REMAINS IN EFFECT UNTIL 2 AM PDT WEDNESDAY... * WHAT...North winds 25 to 30 kt with gusts up to 40 kt and seas 11 to 13 feet. * WHERE...Pt St George to Cape Mendocino 10 to 60 nm. * WHEN...Until 2 AM PDT Wednesday. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe conditions. && $$ PZZ455-120100- /O.CON.KEKA.SC.Y.0055.000000T0000Z-210512T0100Z/ Cape Mendocino to Pt Arena out 10 nm- 206 PM PDT Tue May 11 2021 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 PM PDT THIS EVENING... * WHAT...Northwest winds 10 to 20 kt with gusts up to 35 kt and seas 6 to 9 feet. * WHERE...Cape Mendocino to Pt Arena out 10 nm. * WHEN...Until 6 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. && $$ PZZ450-120515- /O.CON.KEKA.SC.Y.0055.000000T0000Z-210513T1300Z/ Pt St George to Cape Mendocino out 10 nm- 206 PM PDT Tue May 11 2021 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 AM PDT THURSDAY... * WHAT...North winds 15 to 25 kt with gusts up to 35 kt and seas 7 to 10 feet. * WHERE...Pt St George to Cape Mendocino out 10 nm. * WHEN...Until 6 AM PDT Thursday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$
010 WHUS76 KEKA 120054 MWWEKA URGENT - MARINE WEATHER MESSAGE National Weather Service Eureka CA 554 PM PDT Tue May 11 2021 PZZ455-120200- /O.EXP.KEKA.SC.Y.0055.000000T0000Z-210512T0100Z/ Cape Mendocino to Pt Arena out 10 nm- 554 PM PDT Tue May 11 2021 ...SMALL CRAFT ADVISORY WILL EXPIRE AT 6 PM PDT THIS EVENING... $$ PZZ470-120900- /O.CON.KEKA.GL.W.0025.000000T0000Z-210512T0900Z/ Pt St George to Cape Mendocino 10 to 60 nm- 554 PM PDT Tue May 11 2021 ...GALE WARNING REMAINS IN EFFECT UNTIL 2 AM PDT WEDNESDAY... * WHAT...North winds 25 to 30 kt with gusts up to 40 kt and seas 11 to 13 feet. * WHERE...Pt St George to Cape Mendocino 10 to 60 nm. * WHEN...Until 2 AM PDT Wednesday. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe conditions. && $$ PZZ475-120900- /O.CON.KEKA.SE.W.0034.000000T0000Z-210512T1200Z/ Cape Mendocino to Pt Arena 10 to 60 nm- 554 PM PDT Tue May 11 2021 ...HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL 5 AM PDT WEDNESDAY... * WHAT...Very steep and hazardous seas 10 to 12 feet. * WHERE...Cape Mendocino to Pt Arena 10 to 60 nm. * WHEN...Until 5 AM PDT Wednesday. * 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. && $$ PZZ450-120900- /O.CON.KEKA.SC.Y.0055.000000T0000Z-210513T1300Z/ Pt St George to Cape Mendocino out 10 nm- 554 PM PDT Tue May 11 2021 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 AM PDT THURSDAY... * WHAT...North winds 10 to 20 kt with gusts up to 35 kt and seas 7 to 10 feet. * WHERE...Pt St George to Cape Mendocino out 10 nm. * WHEN...Until 6 AM PDT Thursday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$
236 WHUS76 KEKA 120357 MWWEKA URGENT - MARINE WEATHER MESSAGE National Weather Service Eureka CA 857 PM PDT Tue May 11 2021 PZZ470-120900- /O.CON.KEKA.GL.W.0025.000000T0000Z-210512T0900Z/ Pt St George to Cape Mendocino 10 to 60 nm- 857 PM PDT Tue May 11 2021 ...GALE WARNING REMAINS IN EFFECT UNTIL 2 AM PDT WEDNESDAY... * WHAT...North winds 20 to 30 kt with gusts up to 40 kt and steep seas 12 to 13 feet. * WHERE...Pt St George to Cape Mendocino 10 to 60 nm. * WHEN...Until 2 AM PDT Wednesday. * 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. && $$ PZZ475-121200- /O.CON.KEKA.SE.W.0034.000000T0000Z-210512T1200Z/ Cape Mendocino to Pt Arena 10 to 60 nm- 857 PM PDT Tue May 11 2021 ...HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL 5 AM PDT WEDNESDAY... * WHAT...Very steep and hazardous seas 11 to 13 feet. Wind gusts to 30 KT. * WHERE...Cape Mendocino to Pt Arena 10 to 60 nm. * WHEN...Until 5 AM PDT Wednesday. * IMPACTS...Very steep and hazardous seas could capsize or cause damage to vessels. PRECAUTIONARY/PREPAREDNESS ACTIONS... Recreational boaters should remain in port. Commercial vessels should prepare for rough seas and consider remaining in port until hazardous seas subside. && $$ PZZ450-121200- /O.CON.KEKA.SC.Y.0055.000000T0000Z-210513T1300Z/ Pt St George to Cape Mendocino out 10 nm- 857 PM PDT Tue May 11 2021 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 AM PDT THURSDAY... * WHAT...North winds 5 to 15 kt with gusts up to 35 kt and seas 6 to 11 feet. * WHERE...Pt St George to Cape Mendocino out 10 nm. * WHEN...Until 6 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. && $$
711 WHUS76 KEKA 120912 MWWEKA URGENT - MARINE WEATHER MESSAGE National Weather Service Eureka CA 212 AM PDT Wed May 12 2021 PZZ475-121715- /O.CAN.KEKA.SE.W.0034.000000T0000Z-210512T1200Z/ /O.EXB.KEKA.SC.Y.0055.000000T0000Z-210514T0300Z/ Cape Mendocino to Pt Arena 10 to 60 nm- 212 AM PDT Wed May 12 2021 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM PDT THURSDAY... ...HAZARDOUS SEAS WARNING IS CANCELLED... * WHAT...North winds 15 to 25 kt with gusts up to 30 kt and seas 7 to 12 feet. * WHERE...Cape Mendocino to Pt Arena 10 to 60 nm. * WHEN...Until 8 PM PDT Thursday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ PZZ470-121715- /O.EXP.KEKA.GL.W.0025.000000T0000Z-210512T0900Z/ /O.NEW.KEKA.SE.W.0035.210512T0912Z-210512T1800Z/ Pt St George to Cape Mendocino 10 to 60 nm- 212 AM PDT Wed May 12 2021 ...HAZARDOUS SEAS WARNING IN EFFECT UNTIL 11 AM PDT THIS MORNING... ...GALE WARNING HAS EXPIRED... * WHAT...Very steep and hazardous seas 10 to 13 feet. * WHERE...Pt St George to Cape Mendocino 10 to 60 nm. * WHEN...Until 11 AM PDT this morning. * 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. && $$ PZZ450-121715- /O.CON.KEKA.SC.Y.0055.000000T0000Z-210513T1300Z/ Pt St George to Cape Mendocino out 10 nm- 212 AM PDT Wed May 12 2021 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 AM PDT THURSDAY... * WHAT...North winds 5 to 15 kt with gusts up to 25 kt and seas 5 to 8 feet. * WHERE...Pt St George to Cape Mendocino out 10 nm. * WHEN...Until 6 AM PDT Thursday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$
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.