Development Page--Not for Official Use
What are Waves and How do They Work?
Manly Hydraulics Laboratory Wave Climate Glossary http://www.mhl.nsw.gov.au/www/wave_glossary.html#WPERIOD
http://mbgnet.mobot.org/salt/sandy/main.htm
http://www.pbs.org/wnet/nature/conditionblack/index.html See High Seas (Flash 5 Required)
http://pao.cnmoc.navy.mil/educate/neptune/quest/wavetide/wavetide.htm