Summer trolling season holds for Lake Michigan salmon and steelhead

What's biting

What's next

Without live buoy or USGS gauge data for the Grand River mouth or nearshore Lake Michigan today, this outlook leans on typical mid-July patterns rather than a measured trend line, so treat timing windows as general guidance and confirm against the MI DNR Weekly Fishing Report and current buoy data before planning a trip.

Heading into the next 2-3 days, expect the lake to hold its typical summer stratification, meaning surface temps stay comfortable for boat traffic while Chinook, coho, and steelhead continue to sit deeper on the thermocline where trolling programs run cooler, stable water. If that pattern holds, deep-water trolling crews working spoons and stickbaits well below the surface should keep connecting with salmon and steelhead, consistent with the strong 2024 season the WI DNR Lake Michigan Fishing Report described. Inshore and at the Grand River mouth, warmer, more stable water this time of year typically favors smallmouth bass holding tight to rock and drop-off structure, and walleye working current seams and river-mouth edges, especially during low-light early morning and evening windows.

With a waning crescent moon this week, low light before dawn and after dusk should be a productive window for both walleye moving shallower to feed and any smallmouth working the edges of structure. Boat traffic and recreational demand typically build heading into the weekend, so early starts should help avoid pressure on popular access points.

What should turn on soon: if July's typical warm-water pattern continues, expect more consistent reports of Chinook and steelhead action from deeper trolling programs, and better numbers on smallmouth and walleye as water stabilizes near the river mouth. Watch for the MI DNR Weekly Fishing Report and WI DNR Lake Michigan Fishing Report to post more specific, dated bite reports as the week progresses, since today's feeds didn't carry fresh Michigan-specific catch details. Anglers planning a Grand River mouth trip should also check current USGS flow data directly, since no gauge reading came through in today's environmental pull, and flow can shift access and staging areas for walleye and smallmouth around the river's outflow into the lake.

Context

For mid-July on Lake Michigan and at the Grand River mouth, the pattern described here (salmon and steelhead holding deep, smallmouth and walleye working structure and river-mouth current) is the typical seasonal setup rather than anything unusual for the date. The clearest comparative signal available today comes from the WI DNR Lake Michigan Fishing Report, which noted 2024 was a standout year for the fishery: over 210,000 coho salmon harvested (a record) and more than 160,000 Chinook, the most since 2012, attributed to recent stronger survival of stocked salmon classes tied to alewife numbers. That's a multi-year trend rather than a same-week reading, but it suggests the underlying fishery has been running healthy into this season.

Beyond that, we don't have a direct comparative signal for how this specific week stacks up against a typical mid-July at the Grand River mouth. Today's angler-intel pull didn't surface dated, Michigan-specific catch reports for this exact stretch of water, and no buoy or gauge readings came through to compare against seasonal norms for water temperature or flow. Rather than pad this section with unsupported specifics, the honest takeaway is that this week's report is grounded in the broader Lake Michigan fishery's recent strong track record and standard seasonal expectations for July, not a direct week-over-week or day-over-day comparison. Anglers wanting a sharper read on how this week compares should check the MI DNR Weekly Fishing Report directly for the latest dated entries.