314  
SXUS56 KEKA 011415  
OSOEKA  
 
AREA WATER TEMPERATURES FOR NORTHWEST CALIFORNIA  
NATIONAL WEATHER SERVICE EUREKA CA  
615 AM PST FRI MAR 1 2024  
 
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 47 -2.6  
CALPELLA 5E RUSSIAN RIVER E 49 -1.8  
DOUGLAS CITY 1SW TRINITY RIVER 45 -2.0  
ETTERSBURG 1E MATTOLE RIVER 49 -0.9  
HELENA 1SSE TRINITY RIVER 46 -1.5  
KLAMATH 3SE KLAMATH RIVER 47 +0.3  
LEWISTON 1NE TRINITY RIVER 47 -0.2  
LEWISTON 6SE GRASS VLY CREEK 43 -0.8  
UKIAH 3NNE RUSSIAN RIVER E 52 -0.7  
UPPER LAKE 2SSE MIDDLE CREEK 56 0.0  
CRESCENT CITY 8NW PACIFIC OCEAN 53  
CRESCENT CITY CRESCENT HARBOR 51  
EUREKA 11NW PACIFIC OCEAN 54  
EUREKA 17WSW PACIFIC OCEAN 54  
CAPE MENDOCINO PACIFIC OCEAN 54  
PT ARENA 19N PACIFIC OCEAN 55  
ARENA COVE ARENA COVE 54  
 
* QC FLAG INDICATES THE RIVER TEMPERATURE HAS CHANGED 5F  
OR MORE IN 6 HOURS OR 10F OR MORE IN 24 HOURS.  
 

 
 
WATER TEMPERATURES CAN BE COLD, EVEN IF THE AIR TEMPERATURE IS  
WARM. IMMERSION IN COLD WATER CAN BE LIFE THREATENING VERY  
QUICKLY DUE TO COLD WATER SHOCK AND LOSS OF MUSCLE CONTROL.  
IF YOU CHOOSE TO VENTURE OUT, WEAR ALL COLD WATER PROTECTIVE  
GEAR, INCLUDING A LIFE JACKET, IN THE EVENT OF AN ACCIDENT.  
 
COLD WATER EXPOSURE TIMES  
 
WATER LOSS OF EXHAUSTION/  
TEMP F MUSCLE CONTROL UNCONSCIOUSNESS  
------- -------------- ---------------  
33-40 1-3 MIN 15-30 MIN  
40-50 1-5 MIN 30-60 MIN  
50-60 10-15 MIN 1-2 HR  
60-70 30-40 MIN 2-7 HR  
70-80 1-2 HR 2-12 HR  
 

 
 
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