Fishing report

A fisherman in a canoe is silhouetted against the blazing orange sky of a setting sun.

Regional Overview

It’s that time of year where temperatures yo-yo through the day, warming in the daytime but cooling overnight. The temperature at daybreak feels fall-like, but then the sun does its thing and there is a nice warming, getting even hot by the middle of the day. Such is August, where the wane of summer gets more evident each passing week. Last week’s significant cooling rebounded and those warmer temperatures are expected to stay around, although expect a slight cooling by the end of the week. There’s minimal moisture in the forecast, but the chance of an afternoon thunderstorm is always a possibility this time of year. Those chances increase by the end of the week, but the hot, windy and dry weather elevates the potential for red flag warnings, increasing critical fire weather conditions. Also, there are cyanobacterial bloom advisories in a number of Wyoming reservoirs and lakes, which can often occur this time of year. While the fish are unaffected, humans and pets could be sickened with direct contact. While the advisory is for an entire reservoir or lake, typically only portions may be impacted. Watch for signage at impacted waters and directives on precautions to take to avoid health impacts.

Ranking Categories

H (One fish): to ensure fish dinner go to the local grocery store

HHHHH (Five fish): toss a line and get a fish; the fish aren’t picky

Granite, Crystal and North Crow reservoirs

HHH

The buzz: The fishing is quite good at both Granite and Crystal reservoirs but slow at North Crow. There is a cyanobacterial bloom advisory at the west causeway of Granite Reservoir. It’s best to avoid that area for now.

Suggested bait, lures and flies:

Worms

Salmon eggs

Panther Martins

Small Kastmasters

Bead head prince nymphs

Scuds

Chironomids

Copper Johns

Woolly buggers

Sloans and Absarraca lakes

HH½

The buzz: The fishing is good, especially early and late in the day.

Suggested bait, lures and flies:

Nightcrawlers

Powerbait

Salmon eggs

Adams

Copper Johns

Renegades

Pole Mountain

HHH

The buzz: The beaver ponds continue to offer some excellent action. Some of the ponds are getting low, but those with good water levels offer lively fishing. Moss and other surface vegetation can be problematic in many of the ponds.

Suggested bait, lures and flies:

Worms

Elk hair caddis

Parachute Adams

Ants

Beetles

Zug bugs

Orange scuds

Hare’s ears

Laramie Plains lakes

HHH

The buzz: The fishing is fair to good across the basin. Fall is often one of the best times of year to cast a line in these lakes and reservoirs, so expect the action to pick up as temperatures continue to cool. The action at Alsop is picking up, and is best late in the day. Twin Buttes and Meeboer are also fishing quite well. Avoid Leazenby Lake due to the cyanobacterial bloom advisory.

Suggested bait, lures and flies:

Nightcrawlers

Salmon eggs

Parachute Adams

Calibaetis cripples

Soft hackle hare’s ears

Elk hair caddis

Goddard caddis

Stimulators

Laramie River

HH½

The buzz: The river is low but the fishing is fairly good. Aim for the deep holes. Avoid the Woods Landing and Jelm access points due to river rehabilitation construction.

Suggested bait, lures and flies:

Parachute Adams

Stimulators

Grey drakes

Mosquitoes

San Juan worms

Hare’s ears

Copper Johns

Vanilla buggers

Pheasant tails

Snowy Range

HHH½

The buzz: The high country continues to offer excellent fishing, with nice action throughout the day. Rob Roy Reservoir is on the slow side while the action is better at Lake Owen. The best bets are the high altitude lakes, such as Gap Lakes. Douglas Creek, as it exits Rob Roy, is also a good bet. The first dusting of snow arrived at the higher elevations late last week, but temperatures have rebounded and there’s nary a hint of the white stuff remaining.

Suggested bait, lures and flies:

Nightcrawlers

Bead head prince nymphs

Copper Johns

Chironomids

Timberline emergers

Lightning bugs

Foam ants

Stimulators

Hot head leeches

North Platte River and Encampment River – Saratoga Valley

HH

The buzz: The upper reaches of the North Platte River are running very low at 90 cubic feet per second at the state line. The Encampment River is down to 29 cfs. The low flows mean the water heats up during the day, stressing the fish. For those doing catch and release, the stress could be too much for the fish to survive. While the flow is low, aim for the deeper pools, but it’s best to toss a line early or late in the day.

Suggested bait, lures and flies:

Parachute Adams

Green drakes

Bead head prince nymphs

Stonefly nymphs

Trico spinners

Stimulator

Partridge caddis

North Platte River – Grey Reef

HHH

The buzz: The fishing continues to be very good but it has slowed recently. Moss is problematic in some areas. As overnight temperatures cool, the fishing should take off. The cooler weather signals the transitioning to streamer action but there’s still plenty of dry fly activity in the mornings. Grasshoppers are the ticket in the middle of the day.

Suggested bait, lures and flies:

San Juan worms

Copper Johns

Squirrel nymphs

Hare’s ears

Elk hair caddis

Parachute Adams

Trico spinners

Grasshoppers

North Platte River – Miracle Mile

HHH½

The buzz: The Mile is flowing clear and the fishing is good to very good. The flow has been steady around 1,000 cubic feet per second, making for excellent wade fishing conditions.

Suggested bait, lures and flies:

Golden stones

Caddis

Midges

Rock worms

Hothead leeches

San Juan worms

Scuds

Glendo

HH½

The buzz: Dramatic decreases in water levels are expected due to repairs to the Guernsey Power plant downstream at Guernsey Reservoir. Expect water levels to be about 11 feet lower than typical by Labor Day. It’s a big reservoir, though, and boat ramps at Whiskey Gulch, Reno Cove and the Marina will be usable throughout the low water period. Park officials urge caution with the newly-exposed lake bottom where only the top layer dries out. Travel below the high-water line is restricted to traveling to the water’s edge for access purposes only.

Suggested bait, lures and flies:

Bottom bouncers

Crank baits

Jigging spoons

Wheatland Reservoir No. 3

HH½

The buzz: There’s a cyanobacterial bloom at Wheatland Reservoir No. 3. It is not present along the entire reservoir, though, since it is a very large body of water. There’s still plenty of fishing, but anglers need to be aware of the possible hazard.

Suggested bait, lures and flies:

Bead head prince nymphs

Black or olive woolly buggers

Squirrel leeches

San Juan worms

Grayrocks Reservoir

HHH

The buzz: The fishing is good and is best early and late, but a few walleye and bass are also being taken in the middle of the day now.

Suggested bait, lures and flies:

Worm harnesses with leeches

Nightcrawlers on worm harnesses (gold, silver, burnt orange blades)

Reservoir levels

Alcova: 98.0% full

Boysen: 90.2% full

Guernsey: 59.6% full

Glendo: 30.5% full

Gray Reef: 86.3% full

Keyhole: 70.2% full

Pathfinder: 61.0% full

Seminoe: 35.1% full

River flows

North Platte River at Northgate near Colorado state line: 90 cubic feet per second

North Platte River above Seminoe Reservoir: 203 cfs

North Platte River near Miracle Mile: 1,001 cfs

North Platte River at Gray Reef: 1,298 cfs

Encampment River near town of Encampment: 33 cfs

Encampment River at Hog Park: 29 cfs

Laramie River near Laramie: 21 cfs

Boat ramp openings

Glendo Reservoir: Whiskey Gulch, Reno Cove and the Marina boat ramps are open.

Guernsey Reservoir: Long Canyon and Main boat ramps open until August 29. They are closed after that date due to repairs at the powerplant.

Boysen Reservoir: All ramps are open.

Seminoe Reservoir: All ramps are closed except North Red Hills 3.

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