Warm backwaters holding catfish and bass as Mississippi runs high this June

What's Biting

What's Next

Over the next two to three days, flow on the Mississippi-Atchafalaya system should hold near current elevated levels barring significant upstream weather. At 582,000 cfs, the river remains in an active, high-stage pattern that will continue pushing fish toward slack-water backwaters, tributary mouths, and protected interior basin lakes.

Timing works in anglers' favor right now: the waning crescent puts us two to three days from new moon — a phase that traditionally correlates with increased feeding in freshwater species. Plan around pre-dawn windows and the hour before dark, when catfish and bass feeding activity tends to concentrate most.

For catfish, the setup is ideal. Drift-and-anchor rigs with fresh-cut shad or live bream on circle hooks, worked on the bottom in 20 to 40 feet along current seams, inside river bends, and below wing dams, should produce blue and channel cats consistently. Field & Stream's recent record-flathead feature points to deep back eddies — specifically 40-foot holes off main-channel structure — as prime flathead territory when flows are elevated. Santee rigs fished overnight will be particularly effective moving into the new moon period mid-week.

For bass, Wired 2 Fish's summer playbook calls for crankbaits running 8 to 15 feet and swimbait presentations along submerged timber edges — both well-suited to the Atchafalaya basin's flooded timber and oxbow structure. Tactical Bassin's June coverage highlights the swing-head jig and shaky-head worm combination as a hard-to-beat offshore summer pairing, giving you both a power and finesse option when targeting structure in the 8-to-15-foot range. As the new moon arrives, watch for early-morning topwater opportunities on protected backwater flats where bass push shallow in the low-light, pre-heat window.

Crappie should continue holding in suspended brush piles and submerged timber between 10 and 18 feet. Small curly-tail jigs or live minnows fished vertically through the water column will outperform horizontal presentations at this thermal stage. Brush piles near channel drops or creek mouths in 12 to 15 feet will likely hold the densest concentrations.

Louisiana Sportsman reported this week that the state gag grouper season is set to open September 1 — a reminder that fisheries management is active across Louisiana waters. Verify current freshwater regulation dates and any special closures before your trip.

Context

A reading of 582,000 cfs at USGS gauge 07374000 indicates the lower Mississippi is still running in an elevated spring-to-summer transition pattern rather than the typical drawdown expected by mid-June. Mississippi River flows in Louisiana generally begin declining from spring crests in April and May, and by late summer the low-water pattern compresses fish into predictable deep-water holding areas. At this stage, the river has not yet made that transition.

This matters practically: an elevated early-summer river in the Atchafalaya basin keeps the floodplain connected, backwater lakes flushed with nutrients, and forage fish spread across a wide system. Catfishing historically peaks in these conditions, as warm water and high flow push shad and other baitfish against structure while catfish range actively through current seams. Bass, by contrast, remain scattered until flows drop and fish consolidate on predictable timber rows, points, and channel edges — the low-water summer pattern that typically arrives in July or August.

At 80°F, water temperatures are on schedule for mid-June in this region and are not yet at the stress threshold that pushes bass and crappie decisively deep. The Atchafalaya basin can see surface temps reach the upper 80s and occasionally the low 90s in shallow cutoffs by late July and August. June at 80°F is normal for the drainage.

No Louisiana freshwater recreational fishing reports from state sources appeared in this week's data feeds. LA Sea Grant's current content covers commercial oyster industry developments and coastal restoration research rather than freshwater sport fishing conditions. The absence of freshwater-specific state data means this report relies on gauge readings and analogous regional conditions — the Arkansas River high-flow patterns described by MLF News this week provide the closest direct parallel available. Treat specific bite windows and technique suggestions as informed seasonal projections rather than verified current reports from local captains or shops.