Salmon seeker

Heading out tomorrow wondering where to start trolling for salmon off Cobourg. Usually go about 10 miles offshore in mid August but would be nice to know where they're at this year with the weather. I have a full 8 rod spread with riggers, divers and coppers, spoons and flashers. After trip update... Well we went and kinda followed other boats. About 10 miles offshore in the 230 feet range we trolled. Brought in 3 Kings and a steelhead. One king at 21.4lbs! All bites but one on the 350' copper line. Other on the rigger at 90' deep. 4 bites before 9 then quiet rest of the day until the steelhead came around at noon.

Important to note if running on large planner boards you need to add a chunk of mono between braid backer and copper so they stay in the snap release. Simply doesn't work with braid on the board as it kept false releasing.

If slicing them in half isn't suitable how do you kill them? We caught one this weekend and cut it in half a couple inches behind the head before tossing it back in the lake, it looked dead but now I'm doubting myself.

I've read about Lake flipping this weekend but couldn't find was I was looking for. We went fishing out of Cobourg on Saturday August the 20 and got 11 nice Kings and steelhead mix. Returned on September 3rd at the same spot, about 12 miles off shore with little luck. Water temp was 40 deg at 30 feet. One experienced Lake Superior guy with us was saying the Salmon is gone up river we're fishing too far. So we headed towards shore, still nothing marking and no bites. Headed back to the 250 feet depths and started reeling in steelheads. Ended up with 7 catch between 2 and 10 pounds. So searching online on why and how while waiting for a bite I stumbled on the dreaded "Lake flipped on Wednesday" thread but no details on what to do about it. There was a debate in the boat on going to the river mouth to troll or further south offshore. With steelhead biting we stayed on the spot and at least brought something back in our coolers. That being said, in early September is the Salmon gone from the deep waters inshore to the river mouth or did the lake flip send it further south in deeper waters seeking the warm water? I know probably both, but where would be the hottest bite if we would have to pick between the two? How about mid summer flip? Most likely head further offshore? I have an 8 rod spread, 2 riggers, 2 dipsys, 1 mono on the planer running on the surface just in case and 3 coppers at 200, 350 and 450. Coopers caught 6 out of 7 fish, other on dipsys.