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!
Animated-Knots by Grog
NOAA Charts Lake Michigan
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 General
Coastal Pilot Great Lakes
Coastal Pilot Lake Michigan
USCG Vessel Safety Check
Navigation Rules, DHS/USCG
National Doppler Radar Interactive for Region
Great Lakes Regional Radar Map Interactive for Region
Chicago Regional Forecast Interactive
Great Lakes Coastal Forecasting System
United States Naval Academy
U.S. Merchant Marine Academy
U.S. Coast Guard Academy
Great Lakes Maritime Academy
Naval Sea Cadets Corps
Navy League of the United States
International Shipmasters Association
Great Lakes and Seaway Shipping