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 Swinomish Channel ent., Padilla Bay, Washington
Available online at
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.
Here is a form you can use to submit them.
Or, if you have public comments, feel free to add them below.