Guides

Short answers in words and numbers to questions anglers ask about Lake St. Clair and Lake Erie. The numbers come from the same data and the same calculations as the plan, and each guide names its sources. For how each calculation works, see Science Info and Calculations.

• Lake St. Clair smallmouth by month: lake temperature and seasonHow warm the lake usually is each month, from 31 years of NOAA lake temperatures, and the season phase the app gives those temperatures.
• Wind direction and waves at each Lake St. Clair areaWhich smallmouth areas are sheltered and which are exposed for each wind direction, with the CastScience Wave Prediction at 15 and 20 mph.
• Bass season dates 2027, Lake St. Clair and Lake ErieSmallmouth bass seasons and limits by date for 2027 in Michigan, Ontario, Ohio, Pennsylvania and New York waters, with each source.
• Presque Isle Bay spring smallmouth: water temperature, season and rulesHow the app scores Presque Isle Bay and the Presque Isle lake side from April to June, with the Pennsylvania spring bass rule and the tournament closure.