


Other Surface Observations
Issued by NWS Eureka, CA
Issued by NWS Eureka, CA
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964 SXUS56 KEKA 222315 OSOEKA Area Water Temperatures for Northwest California National Weather Service Eureka CA 415 PM PDT Thu May 22 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 57 -0.3 Calpella 5E Russian River E 62 -0.4 Douglas City 1SW Trinity River 51 +0.1 Ettersburg 1E Mattole River 66 -5.3 * Helena 1SSE Trinity River 55 +0.1 Klamath 3SE Klamath River 59 -0.2 Lewiston 1NE Trinity River 48 +0.2 Orleans Klamath River 58 +0.4 Ukiah 3NNE Russian River E 52 -0.2 Upper Lake 2SSE Middle Creek 57 -0.1 Crescent City Crescent Harbor 53 Trinidad 47 Eureka 11NW Pacific Ocean 55 Cape Mendocino Pacific Ocean 52 Arena Cove Arena Cove 48 * 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. $$