Chinook Season Opens on Lake Michigan as Grand River Holds Fishable Flow

What's Biting

What's Next

Without weather forecast data in this report cycle, precise sky and wind projections are unavailable — check the National Weather Service Grand Haven forecast before rigging up. That said, several seasonal cues are worth building a game plan around.

The Grand River at 3,250 cfs sits at a workable mid-June level for the mouth zone. If flow holds steady or eases slightly over the coming days, drift presentations near the channel edge become more precise. Historically, dropping summer flows concentrate walleye near structural edges at the mouth; flows spiking well above current levels tend to push fish off established holding areas.

Chinook salmon are the headline act for the next several weeks. June is historically when Chinook begin staging in Lake Michigan nearshore waters, and the 2024 stocked classes — which the WI DNR Lake Michigan Fishing Report confirms entered a lake with an abundant alewife forage base — should be maturing toward their first returns. Trolling spoons and meat rigs in the 60–120 foot depth zone is the conventional approach as the Lake Michigan Chinook season ramps up; expect the bite to build through late June and peak through July and August.

Smallmouth bass are the most immediate near-term opportunity. Post-spawn fish are typically aggressive feeders, and Tactical Bassin's recent Great Lakes coverage confirms open-water swimbait action is producing. The Dark Sleeper fills the power-bait role on big, wind-blown days while the Spark Shad covers a more finesse presentation — a pairing worth carrying to pier heads, rock piles, and points near the Grand Haven mouth.

The waning crescent moon means dark nights through the next several days, which concentrates predator feeding into low-light windows at dawn and dusk. Arrivals at first light give the best shot at topwater and shallow-structure action before the sun climbs.

For walleye, Jason Mitchell Outdoors has been covering bottom-bouncer and spinner rigs as a proven summer walleye approach — a technique that translates directly to Grand River channel edge fishing at the mouth, particularly during low-light periods.

Context

For mid-June at the Lake Michigan and Grand River mouth, a gauge reading of 3,250 cfs on the Grand (USGS gauge 04119000) falls within the typical seasonal range as snowmelt and spring runoff taper toward summer lows — not alarming, and not especially notable. No direct year-over-year comparison is available in this data set to call this reading high or low relative to prior June baselines.

The most significant contextual signal comes from the WI DNR Lake Michigan Fishing Report's 2024 harvest summary: a record coho year (210,000-plus harvested) and the best Chinook tally since 2012 (160,000-plus), both credited to strong alewife survival. This matters for Michigan west-coast salmon anglers because alewife health in Lake Michigan is the primary driver of how well stocked Chinook and coho grow before returning to tributary rivers. Two consecutive years of alewife abundance increase the likelihood that the 2022 and 2023 stocked classes return to rivers like the Grand in above-average numbers during 2026.

The MI DNR Weekly Fishing Report page did not return readable content this cycle — the feed responded with only a browser-compatibility notice rather than actual fishing conditions. Anglers seeking current pier, charter, or shore reports for the Grand Haven and Muskegon corridor should check the MI DNR site directly.

June sits at the cusp of Lake Michigan's strongest salmon season. Post-spawn smallmouth are also historically active in Great Lakes nearshore environments this time of year, making the Grand Haven mouth zone a genuine two-target fishery as summer opens. If the alewife abundance that drove the 2024 harvest record holds into 2026, the west-coast Chinook bite — including waters off the Grand River mouth — should compare favorably to recent strong seasons.