Do not rely on the output of this program for decisions that can result in harm to anyone or anything. Really. I mean it.
Agencies like NOAA exist because there is a need for certifiably correct tide predictions. Please do not rely on
XTideif you need guaranteed results. There is no way I can get certified data on a zero budget. I rely on users like you to tell me when something is wrong. Please continue to do so.
Tidal Heights at Seattle, Puget Sound, Washington
Available online at
above plot was generated using the program
No guarantees as to the correctness of this data are made or implied.
Do not rely on it to make decisions which can result in harm to anyone or anything.
questions and comments regarding this page are welcomed.
Here is a form you can use to submit them.
Or, if you have public comments, feel free to add them below.