4 listings in Bay City, 4 of them farmers markets. 1 has a market day and hours from a public register or the market's own website, and 1 appears in the USDA SNAP retailer register. Market days in Bay City: Thursday (1).
Few Bay City listings have a schedule or SNAP authorization we could source. Flint, 42 miles away, has 11 listings with more sourced detail; see also all of Michigan.