Read anything you can on maritime safety issues.
USCG are really good guys. Ask them to inspect your vessel. Go to their web site.
Take a boaters safety class!
Charts:
NOAA Charts Interactive (International)
Coastal Pilot Information:
Topics in the Coastal Pilot include channel descriptions, anchorages, bridge and cable clearances, currents, tide and water levels, prominent features, pilotage, towage, weather, ice conditions, wharf descriptions, dangers, routes, traffic separation schemes, small-craft facilities, and Federal regulations applicable to navigation.
Coastal Pilot Lake Michigan
USCG Resources:
Weather Links:
National Doppler Radar Interactive for Region
Great Lakes Regional Radar Map Interactive for Region
Chicago Regional Forecast Interactive
Great Lakes Coastal Forecasting System
Education Links:
Maritime Links:
Navy League of the United States