Olympic Peninsula rivers turn the corner into fall conditions

What's next

With water temps split across the low-to-mid 50s and flows ranging from moderate to elevated, the network is moving through the typical early-October transition toward the cooler, higher-water stretch of fall. If the pattern holds, expect the warmer coastal gauge (12042800, currently 57°F) to track down toward the 53°F already showing at gauge 12043000 over the next several days.

The waning crescent moon this week means darker pre-dawn skies, which tends to stretch low-light feeding windows later into the morning. Weekend planning should account for the higher flows on gauges 12041200 and 12035000, which may climb further if additional rain moves through the region.

Context

Early October sits mid-way through the Olympic Peninsula's fall transition, when Pacific coast rivers typically see rising flows and falling water temperatures as rain events become more frequent. The readings across this gauge network track with that seasonal shift rather than running early or late. The region moves into its higher-water, cooler phase through late fall, a pattern anglers in this part of Washington plan their trips around.