


Other Surface Observations
Issued by NWS Eureka, CA
Issued by NWS Eureka, CA
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275 SXUS56 KEKA 150915 OSOEKA Area Water Temperatures for Northwest California National Weather Service Eureka CA 215 AM PDT Wed Oct 15 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 51 +0.9 Calpella 5E Russian River E 57 +1.2 Douglas City 1SW Trinity River 50 +2.7 Helena 1SSE Trinity River 52 +1.8 Klamath 3SE Klamath River 58 +0.3 Lewiston 1NE Trinity River 46 -0.3 Lewiston 6SE Grass Vly Creek 58 -0.3 Orleans Klamath River 54 -0.9 Ukiah 3NNE Russian River E 60 +0.4 Upper Lake 2SSE Middle Creek 58 +0.4 Crescent City Crescent Harbor 56 Trinidad 54 Eureka 11NW Pacific Ocean 55 Eureka 17WSW Pacific Ocean 55 Cape Mendocino Pacific Ocean 56 Pt Arena 19N Pacific Ocean 56 * 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. $$