Great Lakes Wave Terms of Services

Latest update date： October 15,2025

Part I : Definition：

Great Lakes Wave：Great Lakes Wave app

Great Lakes Wave App Provider: xueping wang

Great Lakes Wave user：Download and install the Great Lakes Wave app directly to become a Great Lakes Wave user, no registration required

Part II ：Basic Service Content

Great Lakes Wave provides the following services for Great Lakes Wave users：

1、Wave map forecast

2、Water map forecast

3、depth map and nautical chart

Part III ：Pro Service Content

Great Lakes Wave provides the following services for Great Lakes Wave users：

1、Wave map forecast for 6 days

2、Water map forecast for 5 days

3、Water map forecast for all listed depths

Part IV: How to update this terms of service

Our terms or service may change.

We will not limit your rights under this terms of service without your express consent. We will post any changes to the terms of service on the dedicated page (https://www.astronomyobserver.net/h5/greatlakes/user).

We will also provide more noticeable notices for major changes.

Part V：How to contact us

If you have any questions about this Terms of Service ,You can contact us through our email (wangxuepingmath@gmail.com)