597  
SXUS56 KEKA 182115  
OSOEKA  
 
AREA WATER TEMPERATURES FOR NORTHWEST CALIFORNIA  
NATIONAL WEATHER SERVICE EUREKA CA  
215 PM PDT SUN MAY 18 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 54 -0.7  
CALPELLA 5E RUSSIAN RIVER E 59 -1.0  
DOUGLAS CITY 1SW TRINITY RIVER 50 -0.4  
ETTERSBURG 1E MATTOLE RIVER 63 +3.2 *  
HELENA 1SSE TRINITY RIVER 52 -0.5  
KLAMATH 3SE KLAMATH RIVER 59 +1.0  
LEWISTON 1NE TRINITY RIVER 48 +0.4  
LEWISTON 6SE GRASS VLY CREEK 57 +1.7  
ORLEANS KLAMATH RIVER 55 -1.0  
UKIAH 3NNE RUSSIAN RIVER E 52 0.0  
UPPER LAKE 2SSE MIDDLE CREEK 58 -0.4  
CRESCENT CITY CRESCENT HARBOR 50  
TRINIDAD 47  
EUREKA 11NW PACIFIC OCEAN 51  
EUREKA 17WSW PACIFIC OCEAN 51  
CAPE MENDOCINO PACIFIC OCEAN 51  
PT ARENA 19N PACIFIC OCEAN 50  
ARENA COVE ARENA COVE 49  
 
* 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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