609  
SXUS56 KEKA 261115  
OSOEKA  
 
AREA WATER TEMPERATURES FOR NORTHWEST CALIFORNIA  
NATIONAL WEATHER SERVICE EUREKA CA  
415 AM PDT SAT JUL 26 2025  
 
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 59 -2.2  
CALPELLA 5E RUSSIAN RIVER E 68 -1.0  
DOUGLAS CITY 1SW TRINITY RIVER 54 0.0  
ETTERSBURG 1E MATTOLE RIVER 55 -5.6 *  
HELENA 1SSE TRINITY RIVER 59 -0.5  
KLAMATH 3SE KLAMATH RIVER 70 -1.6  
LEWISTON 1NE TRINITY RIVER 50 +0.5  
LEWISTON 6SE GRASS VLY CREEK 63 -0.3  
ORLEANS KLAMATH RIVER 71 -1.3  
UKIAH 3NNE RUSSIAN RIVER E 54 -0.2  
UPPER LAKE 2SSE MIDDLE CREEK 58 -0.1  
CRESCENT CITY CRESCENT HARBOR 59  
TRINIDAD 55  
EUREKA 11NW PACIFIC OCEAN 56  
EUREKA 17WSW PACIFIC OCEAN 56  
CAPE MENDOCINO PACIFIC OCEAN 56  
PT ARENA 19N PACIFIC OCEAN 58  
ARENA COVE ARENA COVE 51  
 
* 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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