Alert archive / California / Hazardous Seas Warnings in 2021
Hazardous Seas Warning 21, NWS Eureka, CA
NWS Eureka, CA issued this hazardous seas warning at Mar 26, 2021, 2:41 AM PDT. It took effect at Mar 26, 2021, 3:00 AM PDT. It was in force for 24 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
- Mar 26, 2021, 2:41 AM PDT (09:41 UTC)
- In effect from
- Mar 26, 2021, 3:00 AM PDT
- Expired
- Mar 27, 2021, 3:00 AM PDT
- In force
- 24 hr
- Issued by
- NWS Eureka, CA
The text
As transmitted.
339 WHUS76 KEKA 260941 MWWEKA URGENT - MARINE WEATHER MESSAGE National Weather Service Eureka CA 241 AM PDT Fri Mar 26 2021 PZZ470-261745- /O.EXP.KEKA.GL.W.0019.000000T0000Z-210326T1000Z/ /O.NEW.KEKA.SE.W.0021.210326T1000Z-210327T1000Z/ Pt St George to Cape Mendocino 10 to 60 nm- 241 AM PDT Fri Mar 26 2021 ...HAZARDOUS SEAS WARNING IN EFFECT UNTIL 3 AM PDT SATURDAY... * WHAT...Very steep and hazardous seas 10 to 12 feet expected. * WHERE...Pt St George to Cape Mendocino 10 to 60 nm. * WHEN...Until 3 AM PDT Saturday. * 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. && $$ PZZ450-455-261745- /O.EXP.KEKA.GL.W.0019.000000T0000Z-210326T1000Z/ /O.NEW.KEKA.SC.Y.0037.210326T1000Z-210327T1000Z/ Pt St George to Cape Mendocino out 10 nm- Cape Mendocino to Pt Arena out 10 nm- 241 AM PDT Fri Mar 26 2021 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 AM PDT SATURDAY... * WHAT...North winds 10 to 20 kt with gusts up to 30 kt and seas 7 to 11 feet expected. * WHERE...Pt St George to Cape Mendocino out 10 nm and Cape Mendocino to Pt Arena out 10 nm. * WHEN...Until 3 AM PDT Saturday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ PZZ475-261300- /O.CON.KEKA.GL.W.0019.000000T0000Z-210326T1300Z/ Cape Mendocino to Pt Arena 10 to 60 nm- 241 AM PDT Fri Mar 26 2021 ...GALE WARNING REMAINS IN EFFECT UNTIL 6 AM PDT EARLY THIS MORNING... * WHAT...North winds 25 to 30 kt with gusts up to 35 kt and seas 12 to 14 feet. * WHERE...Cape Mendocino to Pt Arena 10 to 60 nm. * WHEN...Until 6 AM PDT early this morning. * 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. && $$
5 follow-up statements
242 WHUS76 KEKA 261248 MWWEKA URGENT - MARINE WEATHER MESSAGE National Weather Service Eureka CA 548 AM PDT Fri Mar 26 2021 PZZ475-262100- /O.CAN.KEKA.GL.W.0019.000000T0000Z-210326T1300Z/ /O.EXA.KEKA.SE.W.0021.000000T0000Z-210327T1000Z/ Cape Mendocino to Pt Arena 10 to 60 nm- 548 AM PDT Fri Mar 26 2021 ...HAZARDOUS SEAS WARNING IN EFFECT UNTIL 3 AM PDT SATURDAY... * WHAT...Very steep and hazardous seas 10 to 13 feet. * WHERE...Cape Mendocino to Pt Arena 10 to 60 nm. * WHEN...Until 3 AM PDT Saturday. * IMPACTS...Very steep and hazardous seas could capsize or cause damage to vessels. PRECAUTIONARY/PREPAREDNESS ACTIONS... Recreational boaters should remain in port. Commercial vessels should prepare for rough seas and consider remaining in port until hazardous seas subside. && $$ PZZ470-262100- /O.CON.KEKA.SE.W.0021.000000T0000Z-210327T1000Z/ Pt St George to Cape Mendocino 10 to 60 nm- 548 AM PDT Fri Mar 26 2021 ...HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL 3 AM PDT SATURDAY... * WHAT...Very steep and hazardous seas 10 to 12 feet. * WHERE...Pt St George to Cape Mendocino 10 to 60 nm. * WHEN...Until 3 AM PDT Saturday. * 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. && $$ PZZ450-455-262100- /O.CON.KEKA.SC.Y.0037.000000T0000Z-210327T1000Z/ Pt St George to Cape Mendocino out 10 nm- Cape Mendocino to Pt Arena out 10 nm- 548 AM PDT Fri Mar 26 2021 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM PDT SATURDAY... * WHAT...North winds 10 to 20 kt with gusts up to 30 kt and seas 7 to 11 feet. * WHERE...Pt St George to Cape Mendocino out 10 nm and Cape Mendocino to Pt Arena out 10 nm. * WHEN...Until 3 AM PDT Saturday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$
047 WHUS76 KEKA 261534 MWWEKA URGENT - MARINE WEATHER MESSAGE National Weather Service Eureka CA 834 AM PDT Fri Mar 26 2021 PZZ470-475-262345- /O.CON.KEKA.SE.W.0021.000000T0000Z-210327T1000Z/ Pt St George to Cape Mendocino 10 to 60 nm- Cape Mendocino to Pt Arena 10 to 60 nm- 834 AM PDT Fri Mar 26 2021 ...HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL 3 AM PDT SATURDAY... * WHAT...Very steep and hazardous seas 9 to 12 feet. * WHERE...Pt St George to Cape Mendocino 10 to 60 nm and Cape Mendocino to Pt Arena 10 to 60 nm. * WHEN...Until 3 AM PDT Saturday. * 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. && $$ PZZ450-455-262345- /O.CON.KEKA.SC.Y.0037.000000T0000Z-210327T1000Z/ Pt St George to Cape Mendocino out 10 nm- Cape Mendocino to Pt Arena out 10 nm- 834 AM PDT Fri Mar 26 2021 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM PDT SATURDAY... * WHAT...North winds 15 to 25 kt with gusts up to 30 kt and seas 6 to 9 feet. * WHERE...Pt St George to Cape Mendocino out 10 nm and Cape Mendocino to Pt Arena out 10 nm. * WHEN...Until 3 AM PDT Saturday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$
514 WHUS76 KEKA 262116 MWWEKA URGENT - MARINE WEATHER MESSAGE National Weather Service Eureka CA 216 PM PDT Fri Mar 26 2021 PZZ470-270530- /O.EXT.KEKA.SE.W.0021.000000T0000Z-210327T1300Z/ Pt St George to Cape Mendocino 10 to 60 nm- 216 PM PDT Fri Mar 26 2021 ...HAZARDOUS SEAS WARNING NOW IN EFFECT UNTIL 6 AM PDT SATURDAY... * WHAT...Very steep and hazardous seas 10 to 12 feet. * WHERE...Pt St George to Cape Mendocino 10 to 60 nm. * WHEN...Until 6 AM PDT Saturday. * 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. && $$ PZZ475-270530- /O.CON.KEKA.SE.W.0021.000000T0000Z-210327T1000Z/ Cape Mendocino to Pt Arena 10 to 60 nm- 216 PM PDT Fri Mar 26 2021 ...HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL 3 AM PDT SATURDAY... * WHAT...Very steep and hazardous seas 9 to 12 feet. * WHERE...Cape Mendocino to Pt Arena 10 to 60 nm. * WHEN...Until 3 AM PDT Saturday. * IMPACTS...Very steep and hazardous seas could capsize or cause damage to vessels. PRECAUTIONARY/PREPAREDNESS ACTIONS... Recreational boaters should remain in port. Commercial vessels should prepare for rough seas and consider remaining in port until hazardous seas subside. && $$ PZZ450-270530- /O.EXT.KEKA.SC.Y.0037.000000T0000Z-210327T1400Z/ Pt St George to Cape Mendocino out 10 nm- 216 PM PDT Fri Mar 26 2021 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 7 AM PDT SATURDAY... * WHAT...North winds 10 to 20 kt with gusts up to 30 kt and seas 7 to 10 feet. * WHERE...Pt St George to Cape Mendocino out 10 nm. * WHEN...Until 7 AM PDT Saturday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ PZZ455-270530- /O.CON.KEKA.SC.Y.0037.000000T0000Z-210327T1000Z/ Cape Mendocino to Pt Arena out 10 nm- 216 PM PDT Fri Mar 26 2021 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM PDT SATURDAY... * WHAT...North winds 10 to 20 kt with gusts up to 30 kt and seas 6 to 9 feet. * WHERE...Cape Mendocino to Pt Arena out 10 nm. * WHEN...Until 3 AM PDT Saturday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$
786 WHUS76 KEKA 270332 MWWEKA URGENT - MARINE WEATHER MESSAGE National Weather Service Eureka CA 832 PM PDT Fri Mar 26 2021 PZZ470-271145- /O.CON.KEKA.SE.W.0021.000000T0000Z-210327T1300Z/ Pt St George to Cape Mendocino 10 to 60 nm- 832 PM PDT Fri Mar 26 2021 ...HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL 6 AM PDT SATURDAY... * WHAT...Very steep and hazardous seas 10 to 12 feet. * WHERE...Pt St George to Cape Mendocino 10 to 60 nm. * WHEN...Until 6 AM PDT Saturday. * 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. && $$ PZZ475-271000- /O.CON.KEKA.SE.W.0021.000000T0000Z-210327T1000Z/ Cape Mendocino to Pt Arena 10 to 60 nm- 832 PM PDT Fri Mar 26 2021 ...HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL 3 AM PDT SATURDAY... * WHAT...Very steep and hazardous seas 9 to 12 feet. * WHERE...Cape Mendocino to Pt Arena 10 to 60 nm. * WHEN...Until 3 AM PDT Saturday. * IMPACTS...Very steep and hazardous seas could capsize or cause damage to vessels. PRECAUTIONARY/PREPAREDNESS ACTIONS... Recreational boaters should remain in port. Commercial vessels should prepare for rough seas and consider remaining in port until hazardous seas subside. && $$ PZZ450-271145- /O.CON.KEKA.SC.Y.0037.000000T0000Z-210327T1400Z/ Pt St George to Cape Mendocino out 10 nm- 832 PM PDT Fri Mar 26 2021 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 AM PDT SATURDAY... * WHAT...North winds 10 to 20 kt with gusts up to 30 kt and seas 7 to 10 feet. * WHERE...Pt St George to Cape Mendocino out 10 nm. * WHEN...Until 7 AM PDT Saturday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ PZZ455-271000- /O.CON.KEKA.SC.Y.0037.000000T0000Z-210327T1000Z/ Cape Mendocino to Pt Arena out 10 nm- 832 PM PDT Fri Mar 26 2021 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM PDT SATURDAY... * WHAT...North winds 10 to 20 kt with gusts up to 25 kt and seas 6 to 9 feet. * WHERE...Cape Mendocino to Pt Arena out 10 nm. * WHEN...Until 3 AM PDT Saturday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$
112 WHUS76 KEKA 271000 MWWEKA URGENT - MARINE WEATHER MESSAGE National Weather Service Eureka CA 300 AM PDT Sat Mar 27 2021 PZZ470-271800- /O.CAN.KEKA.SE.W.0021.000000T0000Z-210327T1300Z/ /O.EXB.KEKA.SC.Y.0037.000000T0000Z-210327T2200Z/ /O.NEW.KEKA.GL.A.0017.210329T1000Z-210331T0400Z/ Pt St George to Cape Mendocino 10 to 60 nm- 300 AM PDT Sat Mar 27 2021 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 PM PDT THIS AFTERNOON... ...GALE WATCH IN EFFECT FROM LATE SUNDAY NIGHT THROUGH TUESDAY EVENING... * WHAT...For the Small Craft Advisory, north winds 15 to 25 kt with gusts up to 30 kt and seas 7 to 10 feet. For the Gale Watch, north winds 25 to 35 kt with gusts up to 45 kt and seas 12 to 17 feet possible. * WHERE...Pt St George to Cape Mendocino 10 to 60 nm. * WHEN...For the Small Craft Advisory, until 3 PM PDT this afternoon. For the Gale Watch, from late Sunday night through Tuesday evening. * 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. && $$ PZZ475-271800- /O.EXP.KEKA.SE.W.0021.000000T0000Z-210327T1000Z/ /O.EXB.KEKA.SC.Y.0037.000000T0000Z-210327T2200Z/ /O.NEW.KEKA.GL.A.0017.210329T1000Z-210331T0400Z/ Cape Mendocino to Pt Arena 10 to 60 nm- 300 AM PDT Sat Mar 27 2021 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 PM PDT THIS AFTERNOON... ...GALE WATCH IN EFFECT FROM LATE SUNDAY NIGHT THROUGH TUESDAY EVENING... * WHAT...For the Small Craft Advisory, north winds 10 to 20 kt with gusts up to 25 kt and seas 6 to 9 feet. For the Gale Watch, north winds 30 to 40 kt with gusts up to 50 kt and seas 14 to 19 feet possible. * WHERE...Cape Mendocino to Pt Arena 10 to 60 nm. * WHEN...For the Small Craft Advisory, until 3 PM PDT this afternoon. For the Gale Watch, from late Sunday night through Tuesday evening. * IMPACTS...Strong winds can cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and seas. && $$ PZZ455-271100- /O.EXP.KEKA.SC.Y.0037.000000T0000Z-210327T1000Z/ Cape Mendocino to Pt Arena out 10 nm- 300 AM PDT Sat Mar 27 2021 ...SMALL CRAFT ADVISORY HAS EXPIRED... $$ PZZ450-271400- /O.CON.KEKA.SC.Y.0037.000000T0000Z-210327T1400Z/ Pt St George to Cape Mendocino out 10 nm- 300 AM PDT Sat Mar 27 2021 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 AM PDT THIS MORNING... * WHAT...North winds 5 to 15 kt with gusts up to 25 kt and seas 6 to 9 feet. * WHERE...Pt St George to Cape Mendocino out 10 nm. * WHEN...Until 7 AM PDT this morning. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$
The office that day
Everything else NWS Eureka, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 26, 2:41 AM PDT | Small Craft Advisory | EKA | 37 hr | |
| Mar 26, 2:32 PM PDT | Frost Advisory | EKA | Humboldt, Lake, Mendocino | 18 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.