Low Flow Fishing Regulations - Central Coast Subscribe Sign up to receive notifications of status updates. Status of Waters Low-Flow Restrictions effective September 1 through April 30. In the table below: Russian River: Main stem below the confluence of the East Branch Russian River (Mendocino and Sonoma counties), Laguna de Santa Rosa, and Santa Rosa Creek. Napa River: Between Trancas Avenue in Napa and Oakville Cross Bridge near Yountville. Gualala River: Main stem below the confluence of Wheatfield and South Forks. Russian Gulch: Main stem below the confluence of the East Branch. Salmon Creek: Main stem below Highway 1. Walker Creek: Main stem below Highway 1. Decisions to open or close waters are made on Monday for fishing Tuesday/Wednesday, Wednesday for fishing Thursday/Friday, and Friday for fishing Saturday/Sunday/Monday. Since decisions are made 1-3 days before the status is effective, forecasts are used rather than real-time flows. Like any weather forecast, these predictions have a margin of error, so the status of waters may not always align with current flows. Click/tap to enlarge map DateDate and Time of UpdateRussian RiverNapa RiverGualala RiverRussian GulchSalmon CreekWalker Creek 4/27/20264/24/2026 9:00 AMOpenClosedClosedClosedClosedClosed 4/26/20264/24/2026 9:00 AMOpenClosedClosedClosedClosedClosed 4/25/20264/24/2026 9:00 AMOpenClosedClosedClosedClosedClosed 4/24/20264/22/2026 9:00 AMOpenClosedClosedClosedClosedClosed 4/23/20264/22/2026 9:00 AMOpenClosedClosedClosedClosedClosed 4/22/20264/20/2026 12:00 PMOpenClosedClosedClosedClosedClosed 4/21/20264/20/2026 12:00 PMOpenClosedClosedClosedClosedClosed Contact Email us at LowFlows@wildlife.ca.gov.