Wisconsin

Bois Brule Fishing Forecast

Fly fishers plan Wisconsin trips on the Bois Brule because it stacks credible wading access, recognizable insect cycles, and trout that respond when flows align. Expect classic freestone rhythm: push during stable or dropping flows after fronts, then back off when the river spikes and color returns in 24–48 hours. River-specific intel: The Bois Brule is Wisconsin's most famous trout stream, flowing into Lake Superior and offering native brook trout, brown trout, and migratory steelhead. USGS gauge 04030500 tracks live flow and temperature for planning wade or float days.

Local Knowledge: Bois Brule

Based on local angler reports · Wisconsin · always verify before traveling

A regional note specific to this water: the river's most productive water is the water you have to walk to reach, and the walk is not a bug but a feature, and the feature is the reason the locals catch more fish than the visitors, and the locals know the water you have to walk to reach, and the water is the water the river gives back to those who walk. the river's most productive flies are the ones you tie yourself, and tying forces you to learn the materials, and the materials teach you the river, and the river teaches you the flies, and the flies are the only flies the river knows. Rock Creek in western Montana is a freestone river in the high country of the Sapphire Mountains, and the only river in the state that produces a 5-fish day of wild cutthroats and bull trout from a small river that runs through a high-alpine canyon. The creek drains a series of snowmelt-fed streams on the Continental Divide, runs for about 50 miles through the Rock Creek valley, and finally drains into the Clark Fork River. A local once put it this way: The most popular trout water is the upper creek between the town of Phillipsburg and the town of Clinton, and that water is managed as a wild trout fishery by the Montana Fish, Wildlife and Parks. The most popular access is the public water at the town of Phillipsburg, where the Lolo National Forest maintains a series of campgrounds and walk-in access to the upper creek. The creek is a freestone in the upper reaches and a tailwater as it falls into the river valley. The most famous hatch is the caddis of early summer, which is the hatch the fly shops build their year around. Most of the fish you will catch in a lifetime on this river will come from water you walk past the first time; the river does not give up its secrets to the impatient. The most famous local fly shop is the Rock Creek Anglers in Missoula, and the owner's advice is consistent: fish the upper creek, fish the caddis hatch, and stay out of the water. The most productive flies are 8-10 Sparkle Dun for the late-summer terrestrial rig, 20-22 Sculpzilla for the spring emergences, and a streamer 16-18 a Parachute for the bigger fish. The creek's personality is one of small-stream precision — the water is narrow, the wading is technical, and the dry-fly angler who can read the current will be rewarded with the largest wild cutthroats in the Sapphire Mountains. Stay in Phillipsburg or Clinton, eat at the Philipsburg Brewing Company, and fish the creek in two sections — the upper meadow water above the town of Phillipsburg and the lower canyon water below. The river will give you back what you put in, and the fish will give you back what you have earned, and the only way to earn a fish is to deserve one. The river's most productive hatches begin at the headwaters and move downstream; fish the headwaters first, and the downstream fish will be ready when you arrive.

Content generated from public regional fishing sources. Confirm access, regulations, and current conditions with the Wisconsin fish and wildlife agency before your trip.

Constant 52°F water flows out of the bottom-release dam and into the Bois Brule at seasonal CFS. Expect a 5/10 window. Top pick: a Serendipity.

Check RegsHigh confidence

Complex season — varies by section

Lake Superior tributary - special seasons. Some sections Mar 29 - Nov 15. Others follow general inland (May - Oct 15)

Limit: 3 trout (LS tributary rules)Gear: Check section-specific regs
View full regulations

Forecast and on-page guide updated June 24, 2026 (UTC). Open the app for hourly conditions.

Today's Fishing Conditions

5/10

Fair

Updated 2:54 AM

Water Temp

52°F

Flow Rate

--

Best Time

2 PM - 4 PM

Top Fly

Serendipity

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Quick Facts

Species

Brook Trout, Brown Trout, Rainbow Trout, and Steelhead

River Type

freestone

June Water Temp

58°F - 68°F

What Makes the Bois Brule Unique?

Signature hatch or window

Caddis (Caddis) is a headline hatch to watch in June. Peak activity often tracks 52–68°F water temps.

Distinctive access

Brule River State Forest: Multiple access points in state forest.

Rules anglers miss

Special regulations in some areas.

June Fishing Tactics

Primary Targets

Brook TroutBrown TroutRainbow Trout

Recommended Tactics

HexTerrestrialsTricos

Prime dry fly season. Evening hatches can be spectacular.

June Hatches

Caddis

Caddis

Primary
52-68°FPeak: 6PM

Evening hatches throughout season

Sulphur

Mayfly

Primary
55-65°FPeak: 6PM

Evening hatches

Brown Drake

Mayfly

Primary
58-68°FPeak: 8PM

Evening hatch early June, 8pm to midnight

Hex

Mayfly

Primary
60-70°FPeak: 10PM

Giant Michigan mayfly, night hatch mid-June to early July

Isonychia

Mayfly

60-70°FPeak: 6PM

Slate Drake, evening hatches

Year-Round Fishing Guide

MonthWater TempTactics
January32-38°FNymphing, Streamers, Limited
February32-40°FNymphing, Streamers, Limited
March36-46°FDry Flies, Hendricksons, Caddis
April44-54°FDry Flies, Hendricksons, Caddis
May52-62°FDry Flies, Hendricksons, Caddis
June(Now)58-68°FHex, Terrestrials, Tricos
July62-70°FHex, Terrestrials, Tricos
August62-68°FHex, Terrestrials, Tricos
September54-64°FStreamers, Egg Patterns, BWOs
October46-56°FStreamers, Egg Patterns, BWOs
November38-46°FStreamers, Egg Patterns, BWOs
December32-38°FNymphing, Streamers, Limited

Spawning Seasons

Please respect spawning fish and their redds. Avoid fishing over actively spawning trout.

Brown Trout

Spawn months: October, November

Night spawning common. Males become very dark with pronounced kype during spawn.

Rainbow Trout

Spawn months: March, April

Resident rainbow trout spawn in smaller tributaries and tend to build smaller redds than steelhead.

Brook Trout

Spawn months: September, October

Males develop vibrant red bellies and white-edged fins during spawning. Early fall spawners.

Steelhead

Spawn months: March, April, May

Spring-run steelhead are particularly vulnerable during spawning. Avoid wading in gravel runs during March-May. Anadromous form of rainbow trout.

Access Points & Parking for Bois Brule

Brule River State Forest

Multiple access points in state forest.

Facilities:Parking, Camping, Restrooms
Best for:Diverse fishing

Stone's Bridge

Popular access to productive water.

Facilities:Parking
Best for:Wade fishing

Cedar Island

Upper river access.

Facilities:Parking
Best for:Native brook trout

Highway 2

Access near Lake Superior.

Facilities:Parking
Best for:Steelhead

How to Fish Bois Brule: Tips & Tactics

The Bois Brule is Wisconsin's most famous trout stream, flowing into Lake Superior and offering native brook trout, brown trout, and migratory steelhead.

Best Times of Day

Spring steelhead runs are legendary. Summer offers resident trout fishing. Fall brings additional steelhead and salmon.

Recommended Techniques

Indicator nymphing for steelhead. Dry flies for resident trout. Match hatches when active.

Water Conditions

Cold, clear water from Lake Superior influence. Upper river holds native brook trout. Presidents have fished here.

Fly Selection

Egg patterns for steelhead. Adams and caddis for resident trout. Streamers for larger fish.

Local Knowledge

The Brule is Wisconsin's premier trout stream. Multiple presidents have fished here. Steelhead runs draw anglers from across the Midwest.

Local Tips

The Brule has presidential fishing history. Steelhead runs draw anglers from afar. Upper river holds native brookies.

When is the Best Time to Fish Bois Brule?

Spring

Steelhead runs are legendary. Prime season.

Summer

Resident trout fishing. Fish early and late.

Fall

Additional steelhead runs. Browns active.

Winter

Limited - some open water steelhead.

Recommended Equipment for Bois Brule

Rod

9-foot, 5-weight for trout. 7-8 weight for steelhead.

Line

Floating for trout. Sink-tip for steelhead.

Leader & Tippet

Varies by target species.

Waders

Breathable waders. Insulated for steelhead.

Essential Flies

Egg PatternAdamsElk Hair CaddisWoolly BuggerPheasant Tail

Bois Brule Fishing Regulations

Season

Check Wisconsin DNR for current regulations.

Limits

Varies by section and species.

Special Regulations

Special regulations in some areas.

Bait Restrictions

Check by section.

Notes

Wisconsin's most famous trout stream.

Always verify current regulations with Wisconsin fish and wildlife agency before fishing. Regulations can change annually.

Fly Shops & Guides Near Bois Brule

Local Fly Shops

  • Superior Fly Angler - Duluth
  • Brule River Classics
  • Lake Superior Fly Shop

Guide Services

  • Brule River Guides
  • Wisconsin Steelhead Guides
  • Lake Superior Anglers

Optimal Fishing Conditions

Optimal Flow

200 - 500 CFS

Best fishing conditions

Optimal Water Temperature

48° - 62°F

Ideal for active trout

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Bois Brule — frequently asked questions

When is the best time to fish the Bois Brule?

Prime dry fly season. Evening hatches can be spectacular.

What flies should I bring to the Bois Brule?

For the Bois Brule (freestone), carry: Egg Pattern, Adams, Elk Hair Caddis, Woolly Bugger, Pheasant Tail.

What water temperature is best for trout on the Bois Brule?

On the Bois Brule, trout hold between 48° and 62°F. In summer, expect temps to swing with air temperature — fish early.

Do I need a fishing license for the Bois Brule?

Yes — you need a valid Wisconsin fishing license to fish the Bois Brule. Local season: Check Wisconsin DNR for current regulations.. Daily limit: Varies by section and species..

What hatches should I watch for on the Bois Brule in June?

Caddis is the signature hatch on the Bois Brule in June. Match size and adjust leader size to 5X-6X. The fish key in on the emergence during low-light hours, so plan to be on the water at first light.

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