Canadian Tides, Currents and Water Levels http://www.waterlevels.gc.ca/english/Canada.shtml
Canadian Hydrographic Service www.charts.gc.ca
US Upper East Coast Sites (Maine to Virginia) http://tbone.biol.sc.edu/tide/sites_useastupper.html
US West Coast Sites (North to South) http://tbone.biol.sc.edu/tide/sites_uswest.html
Worldwide Tidal Height http://tbone.biol.sc.edu/tide/sitesel.htm
Swedish Tide Tables http://www.orust-kajak.se/tidetabs/tide00.html