Free classes
United States Power Squadrons - Home Page
USPS D20 - Chicago, central and upper Illinois, Upper Indiana
CPS - Chicago Power Squadron - Public boating safety course list

Safety stuff
United States Coast Guard - Navigation Center
Boat US - BoatUS homepage
USCG - Boating Safety - BoatUS homepage
LNM - home page or 9th District - Local Notice to Mariners
NOAA - National Ocean and Atmospheric Administration Home Page
Weather - Whether to boat or not to boat
Free Recreational Vessel Safety Checks
Chicago area inspection contact

Educational info
Javascript programs for navigators -
Willmann-Bell - Hard to find books
Online Almanac
Chicago's Sky

Just cruising? Try these.
Great year

Misc. stuff
HTML and CSS reference specs -
How to keep an idiot busy - Da...