I have taken a yearly trip to the BWCA for the past decade. We have always taken our trip in early/mid June and a lot of our trips are centered around walleye fishing. We have a pretty good idea of where to find them in June. This year we will be heading in on August 25th. I have never been to the BWCA at this time of year.

For those who have fished the BWCA at various times of the year. How does walleye fishing differ from a June trip to a late August trip? Are they still in moving water? In between islands? Deeper?

Deeper-- like 10-20'+FOW for low light fishing - maybe shallower but depends on water clarity. Biggest difference in my .02 is the mid lake reefs and humps (sunken islands) are much more in play in Aug compared to June. An ideal humps imo would be topping out at around 12-18' surrounded by 35'+ deeper water during the day and shallower humps for the night bite.

Do not be afraid to fish shallow and in the weeds. Many anglers think that late summer walleye are only ever found deep—this is far from the case. In 2025 we were catching walley in 8-12 FOW in the second week in August on Gabbro (which is a shallow lake maxing at 30')

WhiteWolf: "

sconnie84: "I have taken a yearly trip to the BWCA for the past decade. We have always taken our trip in early/mid June and a lot of our trips are centered around walleye fishing. We have a pretty good idea of where to find them in June. This year we will be heading in on August 25th. I have never been to the BWCA at this time of year.

For those who have fished the BWCA at various times of the year. How does walleye fishing differ from a June trip to a late August trip? "

Deeper-- like 10-20'+FOW for low light fishing - maybe shallower but depends on water clarity. Biggest difference in my .02 is the mid lake reefs and humps (sunken islands) are much more in play in Aug compared to June. An ideal humps imo would be topping out at around 12-18' surrounded by 35'+ deeper water during the day and shallower humps for the night bite. "

I will echo this post. In my experience the fish will become more adjusted to "interest points" including reefs, rock piles, weed edges, and especially current seams. I think it is important to remember that when water's surface is wavy it refracts more light. This is why there is such a thing as walleye chop. In the BWCA there is a lot of flowing water which also coaxes the walleye to feed during non-lowlight periods. I like to always fish heavy current, wind blown points, and waterfalls/eddys in the afternoon when the sun is at its peak and then transition to the more traditional structure during lowlight periods where the walleyes will slide into during night/early morning in late fall.

I've made a few labor day trips over the years. I will troll the lake and when I catch a walleye I'll mark the spot and fish the structure in the area. This tactic has worked well for me.

YaMarVa: "I've made a few labor day trips over the years. I will troll the lake and when I catch a walleye I'll mark the spot and fish the structure in the area. This tactic has worked well for me. "

Agree.

Also in nice weather, don’t be afraid to go bigger. The baitfish have been growing all summer and are much bigger than in the spring. The other factor is the water is warmer…fish are cold blooded…so warmer water means their metabolism is higher, thus they need to eat more…BUT this is also the time of year where baitfish is more plentiful. So the fish have an easier time finding food and might seem more “sluggish”. That’s why I’d focus on fishing when the sun hits the top of the trees in the AM and PM—theoretically then they might be stimulated into a feeding frenzy.

With that said…I’ve caught 2 30 inch walleyes in Canoe country. Both were in August mid day, clear blue sky trolling a crankbait (rapala silver/black) over a 20’ reef…so always troll when you travel or go site seeing…ya just never know.

You catch zero fish when your line isn’t in the water…

T

Try the same spots and sun-up and sundown, for sure. Deep weed edges hold fish all summer, too. June is the best month, but you'll get 'em.

Everything people have posted is accurate to some extent. The fish will tend to be deeper, but not always. They will be MUCH more spread out in different habitats, but will still be actively feeding. You will be competing with a massive influx of food in the young of the year fish. A large number of walleye will move way offshore in many of the lakes and often suspend near the thermocline following baitfish schools. This is especially true for the larger walleye (24-30+") One of the hottest bites I ever found in Quetico was late August to early September trolling 20' Deep Tail Dancers over 80-140' deep basins. We caught walleye after walleye and all large. I don't know how many we caught over those twelve days, but only 3 were under 24". It is not my favorite way to catch walleye, but it was very effective. The baitfish and gamefish were so thick at the thermocline that it was like a solid black line about 5ft thick. We also caught a fair number of pike and bass out there in space 60-120ft off bottom. There was ZERO structure out there just a huge featureless basin. We were fishing 1/2 or more off shore. It was a weird but educational experience showing why fish sometimes seem to disapear in the summer. It was very hot and there was zero activity on humps, points, shoals or any other kind of typical structure until it was almost pitch dark.

mgraber: "Everything people have posted is accurate to some extent. The fish will tend to be deeper, but not always. They will be MUCH more spread out in different habitats, but will still be actively feeding. You will be competing with a massive influx of food in the young of the year fish. A large number of walleye will move way offshore in many of the lakes and often suspend near the thermocline following baitfish schools. This is especially true for the larger walleye (24-30+") One of the hottest bites I ever found in Quetico was late August to early September trolling 20' Deep Tail Dancers over 80-140' deep basins. We caught walleye after walleye and all large. I don't know how many we caught over those twelve days, but only 3 were under 24". It is not my favorite way to catch walleye, but it was very effective. The baitfish and gamefish were so thick at the thermocline that it was like a solid black line about 5ft thick. We also caught a fair number of pike and bass out there in space 60-120ft off bottom. There was ZERO structure out there just a huge featureless basin. We were fishing 1/2 or more off shore. It was a weird but educational experience showing why fish sometimes seem to disapear in the summer. It was very hot and there was zero activity on humps, points, shoals or any other kind of typical structure until it was almost pitch dark."

No doubt those suspended fish are targeting schools of cisco. We've had the same experience with suspended walleye, but also northern pike and even smallies too.