For Windows95/98/NT try WXTide32 at:
http://www.geocities.com/SiliconValley/Horizon/1195/wxtide32.html
It has all the NOAA reference stations and many other substations.
It allows you to create your own substations if you know the appropriate
offsets (from an Eldridge or Reeds).
It displays graphical as well as various tables and calendars. Best of all, it's
free.
Rob.