718  
SXUS56 KEKA 190015  
OSOEKA  
 
AREA WATER TEMPERATURES FOR NORTHWEST CALIFORNIA  
NATIONAL WEATHER SERVICE EUREKA CA  
515 PM PDT MON MAY 18 2026  
 
THIS PRODUCT CONTAINS PROVISIONAL DATA FROM AUTOMATED GAUGES.  
THESE DATA HAVE NOT BEEN REVIEWED OR VERIFIED FOR ACCURACY.  
 
WATER TEMP F QC  
LOCATION BASIN OBS 24HR CHANGE FLAG  
----------------- --------------- --- ----------- ----  
BRANSCOMB 5N ELDER CREEK 56 +0.9 *  
CALPELLA 5E RUSSIAN RIVER E 64 +0.2 *  
DOUGLAS CITY 1SW TRINITY RIVER 56 +0.6 *  
HELENA 1SSE TRINITY RIVER 58 +0.2  
KLAMATH 3SE KLAMATH RIVER 64 -0.1  
LEWISTON 1NE TRINITY RIVER 51 +0.2  
LEWISTON 6SE GRASS VLY CREEK 54 +0.5 *  
UKIAH 3NNE RUSSIAN RIVER E 55 +0.1  
UPPER LAKE 2SSE MIDDLE CREEK 58 +0.2  
 
* QC FLAG INDICATES THE RIVER TEMPERATURE HAS CHANGED 5F  
OR MORE IN 6 HOURS OR 10F OR MORE IN 24 HOURS.  
 

 
 
DON'T LET RIVERS FOOL YOU!  
- WATER FLOWS MUCH FASTER AND DEEPER A SHORT DISTANCE FROM SHORE.  
- COLD WATER AND SWIFT CURRENT CAN OVERPOWER ANY SWIMMER.  
- HAZARDS LIKE SUBMERGED TREES CAN TRAP YOU UNDER THE SURFACE.  
 
MAKE RIVER VISITS SAFER BY FOLLOWING THESE GUIDELINES:  
- WEAR A LIFE JACKET FOR ALL RIVER ACTIVITIES.  
- FIND AREAS WITH VERY SLOW MOVING WATER.  
- AVOID ENTERING FAST MOVING WATER, EVEN IF IT SEEMS SHALLOW.  
 

 
 
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