Alert archive / California / Hazardous Seas Warnings in 2021
Hazardous Seas Warning 9, NWS Eureka, CA
NWS Eureka, CA issued this hazardous seas warning at Jan 24, 2021, 8:40 PM PST. It took effect at Jan 24, 2021, 9:00 PM PST. It was in force for 12 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
- Jan 24, 2021, 8:40 PM PST (04:40 UTC)
- In effect from
- Jan 24, 2021, 9:00 PM PST
- Expired
- Jan 25, 2021, 9:00 AM PST
- In force
- 12 hr
- Issued by
- NWS Eureka, CA
The text
As transmitted.
645 WHUS76 KEKA 250440 MWWEKA URGENT - MARINE WEATHER MESSAGE National Weather Service Eureka CA 840 PM PST Sun Jan 24 2021 PZZ450-251100- /O.EXP.KEKA.GL.W.0006.000000T0000Z-210125T0500Z/ /O.NEW.KEKA.SE.W.0009.210125T0500Z-210125T1100Z/ Pt St George to Cape Mendocino out 10 nm- 840 PM PST Sun Jan 24 2021 ...HAZARDOUS SEAS WARNING IN EFFECT UNTIL 3 AM PST MONDAY... ...GALE WARNING WILL EXPIRE AT 9 PM PST THIS EVENING... * WHAT...Very steep and hazardous seas 13 to 15 feet expected. * WHERE...Pt St George to Cape Mendocino out 10 nm. * WHEN...Until 3 AM PST Monday. * 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. && $$ PZZ455-251245- /O.CON.KEKA.GL.W.0006.000000T0000Z-210125T1700Z/ Cape Mendocino to Pt Arena out 10 nm- 840 PM PST Sun Jan 24 2021 ...GALE WARNING REMAINS IN EFFECT UNTIL 9 AM PST MONDAY... * WHAT...North winds 20 to 30 kt with gusts up to 35 kt and seas 13 to 17 feet. * WHERE...Cape Mendocino to Pt Arena out 10 nm. * WHEN...Until 9 AM PST Monday. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe conditions. && $$ PZZ470-250800- /O.CON.KEKA.GL.W.0006.000000T0000Z-210125T0800Z/ Pt St George to Cape Mendocino 10 to 60 nm- 840 PM PST Sun Jan 24 2021 ...GALE WARNING REMAINS IN EFFECT UNTIL MIDNIGHT PST TONIGHT... * WHAT...Northwest winds 20 to 25 kt with gusts up to 35 kt and seas 16 to 19 feet. * WHERE...Pt St George to Cape Mendocino 10 to 60 nm. * WHEN...Until midnight PST tonight. * 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. && $$ PZZ475-251245- /O.CON.KEKA.GL.W.0006.000000T0000Z-210125T1700Z/ Cape Mendocino to Pt Arena 10 to 60 nm- 840 PM PST Sun Jan 24 2021 ...GALE WARNING REMAINS IN EFFECT UNTIL 9 AM PST MONDAY... * WHAT...Northwest winds 25 to 30 kt with gusts up to 35 kt and seas 17 to 19 feet. * WHERE...Cape Mendocino to Pt Arena 10 to 60 nm. * WHEN...Until 9 AM PST Monday. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe conditions. && $$
4 follow-up statements
263 WHUS76 KEKA 250459 MWWEKA URGENT - MARINE WEATHER MESSAGE National Weather Service Eureka CA 859 PM PST Sun Jan 24 2021 PZZ455-251300- /O.CON.KEKA.GL.W.0006.000000T0000Z-210125T1700Z/ Cape Mendocino to Pt Arena out 10 nm- 859 PM PST Sun Jan 24 2021 ...GALE WARNING REMAINS IN EFFECT UNTIL 9 AM PST MONDAY... * WHAT...North winds 20 to 30 kt with gusts up to 35 kt and seas 13 to 17 feet. * WHERE...Cape Mendocino to Pt Arena out 10 nm. * WHEN...Until 9 AM PST Monday. * 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. && $$ PZZ470-250800- /O.CON.KEKA.GL.W.0006.000000T0000Z-210125T0800Z/ Pt St George to Cape Mendocino 10 to 60 nm- 859 PM PST Sun Jan 24 2021 ...GALE WARNING REMAINS IN EFFECT UNTIL MIDNIGHT PST TONIGHT... * WHAT...Northwest winds 20 to 25 kt with gusts up to 35 kt and seas 16 to 19 feet. * WHERE...Pt St George to Cape Mendocino 10 to 60 nm. * WHEN...Until midnight PST tonight. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe conditions. && $$ PZZ475-251300- /O.CON.KEKA.GL.W.0006.000000T0000Z-210125T1700Z/ Cape Mendocino to Pt Arena 10 to 60 nm- 859 PM PST Sun Jan 24 2021 ...GALE WARNING REMAINS IN EFFECT UNTIL 9 AM PST MONDAY... * WHAT...Northwest winds 25 to 30 kt with gusts up to 35 kt and seas 17 to 19 feet. * WHERE...Cape Mendocino to Pt Arena 10 to 60 nm. * WHEN...Until 9 AM PST Monday. * 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. && $$ PZZ450-251100- /O.CON.KEKA.SE.W.0009.210125T0500Z-210125T1100Z/ Pt St George to Cape Mendocino out 10 nm- 859 PM PST Sun Jan 24 2021 ...HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL 3 AM PST MONDAY... * WHAT...Very steep and hazardous seas 13 to 15 feet expected. * WHERE...Pt St George to Cape Mendocino out 10 nm. * WHEN...Until 3 AM PST Monday. * IMPACTS...Very steep and hazardous seas could capsize or cause damage to vessels. PRECAUTIONARY/PREPAREDNESS ACTIONS... Recreational boaters should remain in port. Commercial vessels should prepare for rough seas and consider remaining in port until hazardous seas subside. && $$
836 WHUS76 KEKA 250735 MWWEKA URGENT - MARINE WEATHER MESSAGE National Weather Service Eureka CA 1135 PM PST Sun Jan 24 2021 PZZ470-251100- /O.EXP.KEKA.GL.W.0006.000000T0000Z-210125T0800Z/ /O.EXB.KEKA.SE.W.0009.210125T0800Z-210125T1100Z/ Pt St George to Cape Mendocino 10 to 60 nm- 1135 PM PST Sun Jan 24 2021 ...HAZARDOUS SEAS WARNING IN EFFECT UNTIL 3 AM PST MONDAY... ...GALE WARNING WILL EXPIRE AT MIDNIGHT PST TONIGHT... * WHAT...Very steep and hazardous seas 16 to 18 feet expected. * WHERE...Pt St George to Cape Mendocino 10 to 60 nm. * WHEN...Until 3 AM PST Monday. * 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. && $$ PZZ455-251545- /O.CON.KEKA.GL.W.0006.000000T0000Z-210125T1700Z/ Cape Mendocino to Pt Arena out 10 nm- 1135 PM PST Sun Jan 24 2021 ...GALE WARNING REMAINS IN EFFECT UNTIL 9 AM PST MONDAY... * WHAT...North winds 20 to 30 kt with gusts up to 35 kt and seas 13 to 17 feet. * WHERE...Cape Mendocino to Pt Arena out 10 nm. * WHEN...Until 9 AM PST Monday. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe conditions. && $$ PZZ475-251545- /O.CON.KEKA.GL.W.0006.000000T0000Z-210125T1700Z/ Cape Mendocino to Pt Arena 10 to 60 nm- 1135 PM PST Sun Jan 24 2021 ...GALE WARNING REMAINS IN EFFECT UNTIL 9 AM PST MONDAY... * WHAT...Northwest winds 25 to 30 kt with gusts up to 35 kt and seas 17 to 19 feet. * WHERE...Cape Mendocino to Pt Arena 10 to 60 nm. * WHEN...Until 9 AM PST Monday. * 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. && $$ PZZ450-251100- /O.CON.KEKA.SE.W.0009.000000T0000Z-210125T1100Z/ Pt St George to Cape Mendocino out 10 nm- 1135 PM PST Sun Jan 24 2021 ...HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL 3 AM PST MONDAY... * WHAT...Very steep and hazardous seas 13 to 15 feet. * WHERE...Pt St George to Cape Mendocino out 10 nm. * WHEN...Until 3 AM PST Monday. * IMPACTS...Very steep and hazardous seas could capsize or cause damage to vessels. PRECAUTIONARY/PREPAREDNESS ACTIONS... Recreational boaters should remain in port. Commercial vessels should prepare for rough seas and consider remaining in port until hazardous seas subside. && $$
450 WHUS76 KEKA 251053 MWWEKA URGENT - MARINE WEATHER MESSAGE National Weather Service Eureka CA 253 AM PST Mon Jan 25 2021 PZZ475-251900- /O.CAN.KEKA.GL.W.0006.000000T0000Z-210125T1700Z/ /O.EXB.KEKA.SE.W.0009.000000T0000Z-210125T1700Z/ /O.NEW.KEKA.GL.A.0007.210126T1700Z-210127T0500Z/ Cape Mendocino to Pt Arena 10 to 60 nm- 253 AM PST Mon Jan 25 2021 ...HAZARDOUS SEAS WARNING IN EFFECT UNTIL 9 AM PST THIS MORNING... ...GALE WATCH IN EFFECT FROM TUESDAY MORNING THROUGH TUESDAY EVENING... * WHAT...For the Hazardous Seas Warning, very steep and hazardous seas 16 to 18 feet. For the Gale Watch, south winds 25 to 35 kt with gusts up to 50 kt and seas 12 to 17 feet possible. * WHERE...Cape Mendocino to Pt Arena 10 to 60 nm. * WHEN...For the Hazardous Seas Warning, until 9 AM PST this morning. For the Gale Watch, from Tuesday morning 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. && $$ PZZ455-251900- /O.CAN.KEKA.GL.W.0006.000000T0000Z-210125T1700Z/ /O.NEW.KEKA.SC.Y.0011.210125T1100Z-210126T1700Z/ /O.NEW.KEKA.GL.A.0007.210126T1700Z-210127T0500Z/ Cape Mendocino to Pt Arena out 10 nm- 253 AM PST Mon Jan 25 2021 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 AM PST TUESDAY... ...GALE WATCH IN EFFECT FROM TUESDAY MORNING THROUGH TUESDAY EVENING... * WHAT...For the Small Craft Advisory, north winds 15 to 25 kt with gusts up to 30 kt and seas 12 to 17 feet expected. For the Gale Watch, southeast winds 25 to 35 kt with gusts up to 45 kt and seas 11 to 16 feet possible. * WHERE...Cape Mendocino to Pt Arena out 10 nm. * WHEN...For the Small Craft Advisory, until 9 AM PST Tuesday. For the Gale Watch, from Tuesday morning through Tuesday evening. * IMPACTS...Strong winds can cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and seas. && $$ PZZ450-251900- /O.EXP.KEKA.SE.W.0009.000000T0000Z-210125T1100Z/ /O.NEW.KEKA.SC.Y.0011.210125T1100Z-210126T1700Z/ /O.NEW.KEKA.GL.A.0007.210126T1700Z-210127T0300Z/ Pt St George to Cape Mendocino out 10 nm- 253 AM PST Mon Jan 25 2021 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 AM PST TUESDAY... ...GALE WATCH IN EFFECT FROM TUESDAY MORNING THROUGH TUESDAY EVENING... * WHAT...For the Small Craft Advisory, north winds 10 to 20 kt with gusts up to 25 kt and seas 12 to 14 feet expected. For the Gale Watch, southeast winds 25 to 35 kt with gusts up to 50 kt and seas 10 to 15 feet possible. * WHERE...Pt St George to Cape Mendocino out 10 nm. * WHEN...For the Small Craft Advisory, until 9 AM PST Tuesday. For the Gale Watch, from Tuesday morning 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. && $$ PZZ470-251900- /O.EXP.KEKA.SE.W.0009.000000T0000Z-210125T1100Z/ /O.NEW.KEKA.SC.Y.0011.210125T1100Z-210126T1700Z/ /O.NEW.KEKA.SR.A.0002.210126T1700Z-210127T0300Z/ Pt St George to Cape Mendocino 10 to 60 nm- 253 AM PST Mon Jan 25 2021 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 AM PST TUESDAY... ...STORM WATCH IN EFFECT FROM TUESDAY MORNING THROUGH TUESDAY EVENING... * WHAT...For the Small Craft Advisory, northwest winds 10 to 20 kt with gusts up to 30 kt and seas 14 to 16 feet expected. For the Storm Watch, south winds 35 to 45 kt with gusts up to 55 kt and seas 13 to 17 feet possible. * WHERE...Pt St George to Cape Mendocino 10 to 60 nm. * WHEN...For the Small Craft Advisory, until 9 AM PST Tuesday. For the Storm Watch, from Tuesday morning through Tuesday evening. * IMPACTS...Very strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should prepare to remain in port, alter course, and/or secure the vessel for severe conditions before conditions deteriorate. && $$
258 WHUS76 KEKA 251642 MWWEKA URGENT - MARINE WEATHER MESSAGE National Weather Service Eureka CA 842 AM PST Mon Jan 25 2021 PZZ475-260045- /O.EXP.KEKA.SE.W.0009.000000T0000Z-210125T1700Z/ /O.CON.KEKA.GL.A.0007.210126T1700Z-210127T0500Z/ Cape Mendocino to Pt Arena 10 to 60 nm- 842 AM PST Mon Jan 25 2021 ...GALE WATCH REMAINS IN EFFECT FROM TUESDAY MORNING THROUGH TUESDAY EVENING... ...HAZARDOUS SEAS WARNING WILL EXPIRE AT 9 AM PST THIS MORNING... * WHAT...South winds 25 to 35 kt with gusts up to 50 kt and seas 12 to 17 feet possible. * WHERE...Cape Mendocino to Pt Arena 10 to 60 nm. * WHEN...From Tuesday morning 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. && $$ PZZ450-260045- /O.CON.KEKA.SC.Y.0011.000000T0000Z-210126T1700Z/ /O.CON.KEKA.GL.A.0007.210126T1700Z-210127T0300Z/ Pt St George to Cape Mendocino out 10 nm- 842 AM PST Mon Jan 25 2021 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 AM PST TUESDAY... ...GALE WATCH REMAINS IN EFFECT FROM TUESDAY MORNING THROUGH TUESDAY EVENING... * WHAT...For the Small Craft Advisory, seas 11 to 14 feet. For the Gale Watch, southeast winds 25 to 35 kt with gusts up to 50 kt and seas 10 to 15 feet possible. * WHERE...Pt St George to Cape Mendocino out 10 nm. * WHEN...For the Small Craft Advisory, until 9 AM PST Tuesday. For the Gale Watch, from Tuesday morning through Tuesday evening. * IMPACTS...Strong winds can cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and seas. && $$ PZZ455-260045- /O.CON.KEKA.SC.Y.0011.000000T0000Z-210126T1700Z/ /O.CON.KEKA.GL.A.0007.210126T1700Z-210127T0500Z/ Cape Mendocino to Pt Arena out 10 nm- 842 AM PST Mon Jan 25 2021 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 AM PST TUESDAY... ...GALE WATCH REMAINS IN EFFECT FROM TUESDAY MORNING THROUGH TUESDAY EVENING... * WHAT...For the Small Craft Advisory, north winds 10 to 20 kt with gusts up to 30 kt and seas 11 to 15 feet. For the Gale Watch, southeast winds 25 to 35 kt with gusts up to 45 kt and seas 11 to 16 feet possible. * WHERE...Cape Mendocino to Pt Arena out 10 nm. * WHEN...For the Small Craft Advisory, until 9 AM PST Tuesday. For the Gale Watch, from Tuesday morning 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. && $$ PZZ470-260045- /O.CON.KEKA.SC.Y.0011.000000T0000Z-210126T1700Z/ /O.CON.KEKA.SR.A.0002.210126T1700Z-210127T0300Z/ Pt St George to Cape Mendocino 10 to 60 nm- 842 AM PST Mon Jan 25 2021 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 AM PST TUESDAY... ...STORM WATCH REMAINS IN EFFECT FROM TUESDAY MORNING THROUGH TUESDAY EVENING... * WHAT...For the Small Craft Advisory, northwest winds 10 to 20 kt with gusts up to 25 kt and seas 13 to 16 feet. For the Storm Watch, south winds 35 to 45 kt with gusts up to 55 kt and seas 13 to 17 feet possible. * WHERE...Pt St George to Cape Mendocino 10 to 60 nm. * WHEN...For the Small Craft Advisory, until 9 AM PST Tuesday. For the Storm Watch, from Tuesday morning through Tuesday evening. * IMPACTS...Very strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should prepare to remain in port, alter course, and/or secure the vessel for severe conditions before conditions deteriorate. && $$
The office that day
Everything else NWS Eureka, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 25, 2:53 AM PST | Gale Watch | EKA | 12 hr | |
| Jan 25, 2:53 AM PST | Small Craft Advisory | EKA | 30 hr | |
| Jan 25, 2:53 AM PST | Storm Watch | EKA | 12 hr | |
| Jan 25, 2:43 PM PST | Gale Warning | EKA | 30 hr | |
| Jan 25, 2:43 PM PST | Storm Warning | EKA | 28 hr | |
| Jan 25, 3:00 PM PST | Winter Storm Warning | EKA | Del Norte, Humboldt, Lake, Mendocino, Trinity | 45 hr |
| Jan 25, 3:00 PM PST | Winter Weather Advisory | EKA | 3 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.