Other Surface Observations Issued by NWS Eureka, CA
000
SXUS56 KEKA 270315
OSOEKA
Area Water Temperatures for Northwest California
National Weather Service Eureka CA
815 PM PDT Tue Mar 26 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 50 +0.2
Calpella 5E Russian River E 55 -0.1
Douglas City 1SW Trinity River 50 -0.3
Ettersburg 1E Mattole River 51 +0.1
Helena 1SSE Trinity River 50 -0.1
Klamath 3SE Klamath River 50 +1.3
Lewiston 1NE Trinity River 51 +0.3
Lewiston 6SE Grass Vly Creek 48 +3.9
Ukiah 3NNE Russian River E 52 -0.1
Upper Lake 2SSE Middle Creek 58 -0.2
Crescent City 8NW Pacific Ocean 54
Crescent City Crescent Harbor 55
Eureka 11NW Pacific Ocean 55
Eureka 17WSW Pacific Ocean 54
Cape Mendocino Pacific Ocean 55
Pt Arena 19N Pacific Ocean 54
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.
&&
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
$$