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California Delta Bass Fishing Late Summer – August

Posted on September 2, 2024August 2, 2025 By Mark Lassagne
Jeremy with a nice buzz bait fish Aug 30th

Dialing In the California Delta: Still Learning

The California Delta has been firing this summer, and over the past couple of months. With ever-changing conditions, adapting to tides, weed growth, and fish movement has been key to staying on the bite.


Early Morning Topwater Magic

In early August, the River2Sea Whopper Plopper 90 in Monkey Butt is the hot ticket. But as the month wore on, the bite shifted toward buzzbaits—especially in gold or white/chartreuse—on those cool, low-tide mornings. The Buzzbait really came through, especially for Daniel who fooled a solid one with it.


When the Tides Rise: Wacky Rig Wins

Higher tides meant heading for the riprap. The go-to bait? A weightless green pumpkin Senko on a wacky rig. Tossing it into moving water along rock banks consistently produced bites. Later in the month, as the shallower fish became less active, we made a slight adjustment and started targeting deeper water.


Going Deeper with Electronics

I’ve never been much on electronics in the Delta, but when the bite gets tough, you’ve got to adapt. Using my Garmin ECHOMAP changed the game. I spotted fish holding deeper—around 10 feet or more—and started fishing a weighted wacky rig with green pumpkin or Morning Dawn 6” worms. That switch kept our numbers up, often accounting for 10–15 fish per day toward the end of August.


Crankbaits, Chatterbaits & the Punch Bite

The River2Sea Biggie Spring Craw and white/chartreuse Chatterbait had their moments—especially during high tide over shallow flats or along weed edges during the outgoing tide. The Jackhammer was best for quality bites, while the Biggie brought numbers.

Punching matted vegetation was hot and cold, largely depending on what the state hadn’t sprayed. In mid-August, I practiced for a tournament and got 20 bites punching a Yamamoto Green Pumpkin Red Flappin Hog. On game day, I put 13 pounds on the scale with 15 fish and finished 2nd.


Best Baits and Rod Setups

Here’s a quick list of what we’ve been throwing and the gear we’re using:

Soft Plastics & Terminal:

  • 5” Green Pumpkin/Watermelon Senko
  • 6” MM3 Margarita Mutilator Robo Worm
  • 6” Morning Dawn Zoom Trick Worm
  • Yamamoto Flappin Hog in Green Pumpkin Red
  • #2 Gamakatsu Drop Shot hook for Wacky rigs
  • #4 Gamakatsu Heavy Cover for Punching
  • Strike King 1/16 Nail Weigh
  • Hard Baits & Topwater:
  • River2Sea Whopper Plopper 90
  • River2Sea Biggie Crankbait
  • Buzzbait
  • Jackhammer Chatterbait

Rod/Reel Combos:

  • Wacky Senko: Okuma Psycho Stick 7’ Medium Spinning / 20 Okuma X Reel / 8lb Fluoro
  • Chatterbait: Okuma TCS 7’3” Heavy / Okuma X 7.3:1 / 17lb to 20lb Fluoro
  • Crankbait: TCS 7’ Medium Heavy /Okuma X 7.3:1 / 15lb Fluoro
  • Buzzbait:Okuma TCS 7’3” Heavy  / Okuma X 7.3:1/ 45lb Phenix Braid
  • Punching: TCS Matt Daddy 7’11” / Okuma X 7.3:1 / 65lb Phenix Braid

Launch Locations & Area Highlights

I typically launch from three locations, based on wind and tide:

  • West Oakley – Big Break Marina
  • Central Bethel Island – Sugar Barge
  • Central Brentwood – Orwood Resort
  • South Byron – River’s End Marina

When it’s windy, we go south out of River’s End. Calm days mean Bethel or Orwood. On the water, current is king, especially in the South Delta. Pumping water on an outgoing tide can kill the bite if there’s no natural current.

Productive Areas:

  • South Delta: Old River, Middle River, and Victoria Canal
  • Franks Tract Region: Quimby Island and Connection Slough (best on high tide)
  • San Joaquin Sloughs: Rocky banks on high tide, weed edges on low

Final Thoughts

Even after years on the water, every trip brings something new. The Delta teaches you to stay versatile, keep experimenting, and don’t be afraid to lean on technology when needed. Whether it’s topwater chaos, subtle finesse bites, or explosive punch strikes, the bass are here—you just have to find them.

Tight lines and see you on the water!

author avatar
Mark Lassagne
Mark Lassagne is a professional bass angler, outdoor writer, and publisher based in Northern California. As the founder of Bass Angler Magazine and the BAM Tournament Trail, Mark has dedicated his career to growing and promoting the sport of bass fishing, especially on the West Coast. With decades of tournament experience across the country—from MLF Toyota Series events to his own BAM Pro Tour—Mark brings a unique blend of on-the-water knowledge and industry insight. The content of his writing focuses on helping anglers of all skill levels to catch more fish, understand cutting-edge techniques, and stay connected to the latest trends in bass fishing. When he’s not behind the wheel of his Ford F-350 hauling the BAM stage, you’ll find him chasing bass in California’s best fisheries in his Bass Cat.
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Bass Fishing, Fishing Reports Tags:ca delta bass fishing, california delta fishing, delta fishing report

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