The latest Algal Bloom Bulletin from NOAA states that, while the Microcystis is still blooming in Western Lake Erie, "The concentrations, particularly on the surface have been greatly reduced since last week." This is most likely because of the increased wind stress of the last few days, which mixes up the surface mass.
That's the good news. The bad news is: "Forecast wind stress is low and water temperatures are still warm, therefore, the bloom biomass is expected to resurface over the weekend." Because much of the biomass is subsurface, it's not visible to the satellite. The forecast is for westward transport, however it is likely that any westward transport will be overwhelmed by resurfacing cells.