This app provides real-time Channel Islands tidal stream data, functioning offline. It offers tools for measuring tide set and rate, and calculating Course to Steer. Plan your voyages with hourly charts and precise navigational information.
4.10
July 25, 2026
Localisations and minor bug fixes
$2.99
1 Month Subscription
Enables current year tidal data
iStreams Channel Islands is a navigation app that displays hourly tidal stream data for the Channel Islands. It functions offline and includes tools for measuring tide set, rate, and calculating Course to Steer.
No, iStreams Channel Islands does not contain advertisements. It is a free app with optional in-app purchases for advanced features.
iStreams Channel Islands is available for iPhone and iPad devices, supporting iOS.
The app was last updated on December 2, 2025, indicating regular updates to maintain functionality and data accuracy.
The 'Set' tool to measure the precise true course of any tidal stream arrow and the 'CTS' tool to calculate a Course to Steer are available as in-app purchases.
Yes, iStreams Channel Islands is fully functional offline, allowing you to access tidal stream data without an internet connection.
iStreams Channel Islands has an age rating of 4+, making it suitable for a wide range of users.
The app uses the nearest Dover High Water time from its database to display relevant tidal stream charts for the selected time period.
