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Tide Resources

• XTide Tide Prediction	This is a very useful online system. Enter the name of the port (make sure the port name is valid (E.G. if you want a tide for Madeira Island you must use the port name of Funchal). Then when you have selected and run the program for your port and received today's tides you can then select month or year tide prediction for that port. This is great, because unlike many other online tide predictions you can get predictions for a day, month or year, which you can then print off. Note the disclaimer at the bottom of the Xtide page on their site. These type of tide predictions may not be completely accurate, a time and height discrepancy may exist.
  Worldwide 7 days	Provided by the UK Hydrographic Office for the whole world but only provides predictions for seven days. It is very good and if you select the printer friendly button you can print off 7 days tides complete with graph.
  Pacific, Australia, Antarctica	Provided by the Australian Met Office (BOM), this site provides 7 day tidal predictions for all Pacific Islands and regions, Australia, and Antarctica.
  USA	Excellent full annual tide tables for all USA ports.
  PC software. Some of this software is free and some of it you have to pay for, see comments below and details on the relevant site.
  Free software
  WXTide32	MS Windows based. A good free downloadable program. You have to download the software and run it on your PC. All instructions are on the site.
  Stormy Weather	A DOS based system, OK for a free program but not ideal
  Xtide	For UNIX, Linux, Mac OSX. Xtide is Unix software.  It is intended to compile and run correctly on any reasonably modern version of Unix. Xtide can work with X-windows, plain text terminals, or the web.  Thank you to Thomas H. for the info
  Jtides	All platforms. JTides runs fine under Windows. It also runs fine under Linux, Apple Macintosh's new OS X, and many other environments. Thank you to Thomas H. for the info
  Pay for software
  Total Tide	A very expensive piece of software probably outside the budget of most cruising yachts, designed by UKHO for shipping, but very good
  Printed Worldwide Tidal almanacs. There are many published Tide tables in many formats which you will be able to obtain locally in most regions. We have provided only those publications which provide worldwide predictions.
  UKHO	The UKHO (United Kingdom Hydrographic Office) publish world tide tables, you have to pay for this service now! You can get the tables as either hard copy or PDF files.

• NOAA Online Tides - Water Level Stations by Region