Fall salmon push moves inshore on Chicago's Lake Michigan

What's next

Expect that fall pattern to build through early October: as surface temperatures continue sliding, Chinook Salmon and Steelhead should push closer to harbor structure and shoreline breaks, and dawn-and-dusk windows turn more productive as daylight shortens. This week's waning gibbous moon favors low-light feeding, so first light and the last hour before dark are the windows worth planning around, especially heading into the weekend.

The bite should keep sharpening into early-to-mid October as the lake's seasonal cool-down deepens.

Context

Late September is squarely inside Lake Michigan's fall transition, when surface water cools enough to trigger the seasonal move of Chinook Salmon and Steelhead toward nearshore structure and harbor areas — a pattern that typically holds through most of October before shifting further toward late-fall staging. This year's timing looks on schedule for the region. Anglers should check current Illinois fishing regulations before harvesting, as seasonal limits can shift through the fall run.