312  
WHUS46 KEKA 170619  
CFWEKA  
 
COASTAL HAZARD MESSAGE  
NATIONAL WEATHER SERVICE EUREKA CA  
1119 PM PDT TUE JUN 16 2026  
 
CAZ103-171000-  
/O.CON.KEKA.CF.Y.0013.000000T0000Z-260617T1000Z/  
NORTHERN COASTAL HUMBOLDT-  
1119 PM PDT TUE JUN 16 2026  
 
...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 3 AM PDT  
WEDNESDAY...  
 
* WHAT...HIGH ASTRONOMICAL TIDES WILL CAUSE MINOR FLOODING IN LOW  
LYING AREAS AROUND HUMBOLDT BAY. UP TO 0.5 FOOT OF SALTWATER  
INUNDATION ABOVE GROUND LEVEL IS POSSIBLE NEAR SHORELINES AND  
TIDAL WATERWAYS. BETWEEN 9.0 AND 9.2 FEET MLLW AT THE NORTH SPIT  
TIDE GAUGE IS PREDICTED.  
 
* WHERE...NORTHERN COASTAL HUMBOLDT COUNTY.  
 
* WHEN...FROM 11 PM THIS EVENING TO 3 AM PDT WEDNESDAY. HIGH  
TIDE IS AT 1:40 AM AT THE HUMBOLDT BAY NORTH SPIT TIDE GAUGE.  
SALTWATER INUNDATION WILL BE POSSIBLE 1 TO 2 HOURS BEFORE AND  
AFTER HIGH TIDE.  
 
* IMPACTS...FLOODING OF LOW LYING AREAS AROUND HUMBOLDT BAY  
INCLUDING PARKS AND ROADS WITH ONLY ISOLATED CLOSURES  
EXPECTED. FLOODING WILL LIKELY IMPACT JACKSON RANCH ROAD IN  
THE ARCATA BOTTOMS AND SEVERAL ROADS IN KING SALMON.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
A COASTAL FLOOD ADVISORY INDICATES THAT ONSHORE WINDS AND TIDES  
WILL COMBINE TO GENERATE FLOODING OF LOW AREAS ALONG THE SHORE.  
 
FEET ABOVE GROUND IS LOCALLY DEFINED AS FEET ABOVE THE HIGHEST  
ASTRONOMICAL TIDE OR HAT.  
 

 
 

 
 
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