The Fly Guide | August 2026

The Fly Guide: August 2026

The August Trout Fishing Rule: Beat the Sun

By August, most trout have settled into their summer routines.

Water levels are often lower, daytime temperatures are higher, and fish have seen months of angling pressure. The result? Trout become far less willing to feed aggressively in the middle of the day.

That's why some of the best August fishing happens at the edges of the day.

Early mornings offer cooler water temperatures and lower light conditions that encourage trout to move from their daytime holding lies and feed more actively. The same is true during the evening hours, when shadows lengthen and water temperatures begin to drop.

Many anglers make the mistake of showing up at the river at noon and leaving disappointed. Meanwhile, the anglers who arrive before sunrise or stay until dark often experience entirely different fishing.

If you're planning an August outing, focus your effort on the first and last few hours of daylight. Not only will the fishing often improve, but you'll also enjoy cooler temperatures and fewer crowds.

When summer fishing gets tough, sometimes the best fly change isn't a fly at all—it's your schedule.

Don't Ignore the Bank

When rivers drop into their summer flows, trout become experts at finding cover.

One of the most overlooked places to find them? Right along the bank.

Undercut banks provide everything a trout needs: shade, protection from predators, slower current, and easy access to food. Grasshoppers, beetles, ants, and other terrestrial insects frequently fall from streamside vegetation, making these areas natural feeding lanes.

The challenge is presentation.

Many anglers cast toward the middle of the river while trout sit just inches from shore. To consistently catch fish during August, focus your casts tight to grassy edges, overhanging vegetation, and cut banks.

Don't be afraid to get close. Trout holding under cover are often looking upward and outward, not behind them. A well-placed cast that lands inches from the bank can often outproduce one that lands in the middle of the current.

The next time you're on the water, fish the edges first. Some of the river's biggest trout may be hiding closer than you think.

The Most Underrated Fly in Your Box

Ask most anglers about summer dry flies and they'll immediately think of grasshoppers.

But one of the most productive flies of August is often much smaller: the ant.

Flying ants and terrestrial ants regularly find their way into trout streams throughout the summer. Unlike many aquatic insects that hatch during specific windows, ants can become available at almost any time.

Trout know this.

Ants are easy to eat, require very little energy to capture, and often trigger confident takes from fish that ignore larger flies. They're especially effective on heavily pressured water where trout have become wary of oversized attractor patterns.

The best part? Ants are easy to fish.

Target slow seams, undercut banks, foam lines, and shady pockets along the edge of the river. If trout are feeding but refusing larger dries, downsizing to an ant pattern can often save the day.

Every fly box should contain a few ant patterns during August. They may not be the most exciting fly to tie on, but they consistently catch fish when other patterns fail.