Spring Salmon Season Opens Off Chicago as Lake Michigan Enters Peak May Window

What's Biting

What's Next

With no live buoy or gauge readings available for the Chicago lakefront this week, current water temperature and wave state are unconfirmed — pull the latest NOAA forecast and check local charter boards before launching. That said, early May on Lake Michigan follows a well-worn seasonal arc, and the conditions needed to fire the salmon bite are typically assembling right now.

**Salmon:** May is when Chinook and coho shift from scattered winter staging to accessible depths along the Illinois shoreline. Surface temps in the upper 40s to low 50s°F — typical for this point in the season — put coho in near-surface range and keep Chinook holding at 50–100 feet. Trollers working spoons and flasher-fly combos over the color change, where cold offshore water meets the slightly warmer nearshore zone, historically find the best action. The WI DNR Lake Michigan Fishing Report's 2024 data — record coho returns and the strongest Chinook numbers since 2012 — points to a healthy alewife-supported forage base carrying forward into this season. Those stocked cohorts are now reaching prime catchable age.

**Smallmouth Bass:** Per Tactical Bassin's early May coverage of Midwest bass behavior, the post-spawn transition is now in full swing. On Chicago's lakefront, that means smallmouth are scattering from shallow spawning flats toward rocky structure, riprap, and breakwaters. Finesse presentations — drop-shots, small tube jigs, and Ned rigs worked slowly along the bottom — are typically the go-to as water temps climb toward the mid-50s. The window between now and Memorial Day is historically one of the most reliable for nearshore Chicago smallmouth.

**What to watch this weekend:** A south or southeast wind over the next two to three days could push warmer surface water toward the Illinois shore, pulling salmon into shallower, more accessible ranges for boaters without full offshore capability. A north or northeast wind will drive cold, clearer water back nearshore and often stacks salmon tightly in the thermocline — a plus for anglers who can read electronics. Either way, early morning departures will be most productive: the Waning Gibbous moon sets mid-morning, concentrating low-light feeding activity before afternoon chop builds.

**Yellow perch** on Chicago's lakefront piers and breakwalls typically begin showing better numbers through May, though no specific catch reports appear in this week's available feeds — monitor local reports for the first confirmed pier perch activity.

Context

Early May on Lake Michigan's Chicago shoreline traditionally represents the heart of the spring salmon-and-trout window. By this point in most years, coho and steelhead are already active nearshore, with Chinook kings beginning to build numbers in the 60–100 foot range farther offshore. What provides meaningful context for 2026 is the unusual strength of the cohort now aging through the lake system.

The WI DNR Lake Michigan Fishing Report's 2024 harvest summary documented results that stand out even by Lake Michigan's productive recent standards: over 210,000 coho harvested lake-wide — a record — and 160,000 Chinook, the highest Chinook tally since 2012. The WI DNR attributed both marks to strong alewife year classes in recent seasons, which reduced post-stocking mortality and allowed a larger share of planted fish to survive to catchable size. Those 2023- and 2024-stocked cohorts are now reaching prime age, a positive entering 2026 compared to several leaner years earlier in the decade.

The picture is considerably darker for lake whitefish. Great Lakes Now reports that whitefish populations in the lower Great Lakes have declined to the point that Michigan lawmakers are actively weighing an emergency stocking intervention — reflecting a multi-year trajectory that has effectively removed whitefish as a dependable recreational target for Chicago-area anglers. Anglers interested in whitefish should verify current Illinois regulations before targeting the species.

No direct spring-over-spring comparison data for 2025 versus 2026 conditions appears in the feeds reviewed this week, making it difficult to characterize whether this season is running early or late relative to the immediate prior year. May 7 falls squarely within the expected salmon-season opening window for the Illinois shoreline — neither anomalously early nor late — and the Waning Gibbous moon phase lines up well for productive low-light morning sessions over the next several days.