


Other Surface Observations
Issued by NWS Eureka, CA
Issued by NWS Eureka, CA
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689 SXUS56 KEKA 130115 OSOEKA Area Water Temperatures for Northwest California National Weather Service Eureka CA 615 PM PDT Sun Oct 12 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 52 -1.0 Calpella 5E Russian River E 59 -1.3 Douglas City 1SW Trinity River 50 -1.1 Helena 1SSE Trinity River 54 -0.7 Klamath 3SE Klamath River 59 -0.3 Lewiston 1NE Trinity River 47 -0.2 Lewiston 6SE Grass Vly Creek 59 -0.9 Orleans Klamath River 57 +1.2 Ukiah 3NNE Russian River E 60 +0.2 Upper Lake 2SSE Middle Creek 57 +0.2 Crescent City Crescent Harbor 57 Trinidad 55 Eureka 11NW Pacific Ocean 55 Eureka 17WSW Pacific Ocean 56 Cape Mendocino Pacific Ocean 58 Pt Arena 19N Pacific Ocean 58 * 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. $$