Hazardous Seas Watch
URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
1053 PM PST Wed Nov 19 2025
PZZ450-201500-
/O.NEW.KEKA.SC.Y.0128.251120T1700Z-251120T2300Z/
/O.NEW.KEKA.SE.A.0010.251120T2300Z-251121T1700Z/
Pt St George to Cape Mendocino out 10 nm-
1053 PM PST Wed Nov 19 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM 9 AM TO 3 PM PST
THURSDAY...
...HAZARDOUS SEAS WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH
FRIDAY MORNING...
* WHAT...For the Small Craft Advisory, seas 9 to 11 feet expected.
For the Hazardous Seas Watch, very steep and hazardous seas 13
to 16 feet possible.
* WHERE...Pt St George to Cape Mendocino out 10 nm.
* WHEN...For the Small Craft Advisory, from 9 AM to 3 PM PST
Thursday. For the Hazardous Seas Watch, from Thursday
afternoon through Friday morning.
* IMPACTS...Very steep and hazardous seas could capsize or cause
damage to vessels.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Consider altering your plans to avoid possible hazardous sea
conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
1053 PM PST Wed Nov 19 2025
PZZ455-201500-
/O.NEW.KEKA.SC.Y.0128.251120T1700Z-251120T2300Z/
/O.NEW.KEKA.SE.A.0010.251120T2300Z-251121T1700Z/
Cape Mendocino to Pt Arena out 10 nm-
1053 PM PST Wed Nov 19 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM 9 AM TO 3 PM PST
THURSDAY...
...HAZARDOUS SEAS WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH
FRIDAY MORNING...
* WHAT...For the Small Craft Advisory, seas 7 to 9 feet expected.
For the Hazardous Seas Watch, very steep and hazardous seas 13
to 16 feet possible.
* WHERE...Cape Mendocino to Pt Arena out 10 nm.
* WHEN...For the Small Craft Advisory, from 9 AM to 3 PM PST
Thursday. For the Hazardous Seas Watch, from Thursday
afternoon through Friday morning.
* IMPACTS...Very steep and hazardous seas could capsize or cause
damage to vessels.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Consider altering your plans to avoid possible hazardous sea
conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
1053 PM PST Wed Nov 19 2025
PZZ470-201500-
/O.NEW.KEKA.SC.Y.0128.251120T1700Z-251120T2300Z/
/O.NEW.KEKA.SE.A.0010.251120T2300Z-251121T1700Z/
Pt St George to Cape Mendocino 10 to 60 nm-
1053 PM PST Wed Nov 19 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM 9 AM TO 3 PM PST
THURSDAY...
...HAZARDOUS SEAS WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH
FRIDAY MORNING...
* WHAT...For the Small Craft Advisory, seas 11 to 13 feet
expected. For the Hazardous Seas Watch, very steep and
hazardous seas 13 to 17 feet possible.
* WHERE...Pt St George to Cape Mendocino 10 to 60 nm.
* WHEN...For the Small Craft Advisory, from 9 AM to 3 PM PST
Thursday. For the Hazardous Seas Watch, from Thursday
afternoon through Friday morning.
* IMPACTS...Very steep and hazardous seas could capsize or cause
damage to vessels.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Consider altering your plans to avoid possible hazardous sea
conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
1053 PM PST Wed Nov 19 2025
PZZ475-201500-
/O.NEW.KEKA.SC.Y.0128.251120T1700Z-251120T2300Z/
/O.NEW.KEKA.SE.A.0010.251120T2300Z-251121T1700Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
1053 PM PST Wed Nov 19 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM 9 AM TO 3 PM PST
THURSDAY...
...HAZARDOUS SEAS WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH
FRIDAY MORNING...
* WHAT...For the Small Craft Advisory, northwest winds 15 to 20 kt
with gusts to 25 kt and seas 10 to 12 feet expected. For the
Hazardous Seas Watch, very steep and hazardous seas 14 to 16
feet possible.
* WHERE...Cape Mendocino to Pt Arena 10 to 60 nm.
* WHEN...For the Small Craft Advisory, from 9 AM to 3 PM PST
Thursday. For the Hazardous Seas Watch, from Thursday
afternoon through Friday morning.
* IMPACTS...Very steep and hazardous seas could capsize or cause
damage to vessels.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Consider altering your plans to avoid possible hazardous sea
conditions.
&&
$$
