Delta water holds in the mid-60s as fall pattern sets in
Gauge readings on the Delta show water temperature at 66°F at gauges 381126121554801 and 381142122015801, and 63°F at gauge 11447650 on the Sacramento side, where flow is running 9,630 cfs. Negative flow readings at gauges 381142122015801 and 11455420 (-210 and -2,180 cfs) point to tidal reversal in the lower channels. Fall bass are chasing baitfish, and per Tactical Bassin (blog) adding a blade to a swimbait is one of the best ways to catch them while that happens. The same source highlights shallow jigs, soft jerkbaits and topwater as overlooked October options.
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Water in the 63 to 66°F range is cooling toward the zone where bass feed more actively through the day, so expect the shallow bite to strengthen as nights get longer. Midday windows should stay productive, but the first and last hours of light are the best bets for topwater and moving baits.
Tidal reversal in the lower channels means current direction will change through the day. Plan around moving water, since baitfish and the bass behind them tend to stage where current meets structure. With the moon at First Quarter, tidal swings are moderate, so the strongest current windows will be less dramatic than around a new or full moon.
Per Fishing the Midwest, fall fish often relocate to the greenest remaining weeds as other vegetation dies back. That is a sound general approach for finding the cover that still holds bait on the Delta.
Context
Mid-October is typically a transition period for the Delta, with summer heat easing and water temperatures sliding out of the upper 60s and 70s. Fish tend to follow baitfish into shallower water and feed more aggressively ahead of winter. Flows at this time of year are usually managed lower than spring runoff, so tide and current often matter more than discharge when picking a spot. Check current California regulations before keeping fish.
Synthesized from real-time NOAA buoy data, USGS stream gauges, and current reports across regional fishing blogs, captain updates, and angler forums. Check local regulations before keeping fish. Never trust a single source for a trip decision.
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