SeaRoar-Tide graph-

SeaRoar Tide Graph is a fishing-focused extension that provides tide graphs with past and future ranges, 3-hour weather forecasts up to five days, wind rose visuals, and detailed wave data across Japan. It also includes a tide-name calendar with multiple methods, a favorites feature for quick access to key points, and a quick-check function for your current location—making it ideal for anglers planning trips and selecting fishing spots.

This extension integrates JMA weather warnings/advisories, location-based information, and a growing catalog of over 3,000 points, along with capabilities to create custom points. It is designed to assist planning and safety, while not intended for voyage use. Note on privacy: location data is used to tailor information and may be stored as part of the service.