Tidal Stream Viewer
✓ VerifiedIn-depth reviewTidal Stream Viewer provides an interactive marine currents map, displaying SHOM NetCDF current data as arrows on a map. It times these against the tide of a reference port, utilizing data from api-maree.fr. This tool is designed for users interested in tidal stream information.
Tidal Stream Viewer, as it opens in a browser tab.
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How to install Tidal Stream Viewer as a PWA
Why we recommend Tidal Stream Viewer
Tidal Stream Viewer offers a focused and practical utility for understanding marine currents. It visualizes SHOM's tidal stream atlases directly on a map, providing an interactive experience to see current speeds and directions. A key feature is its ability to align these currents with the tide of a reference port, using data from api-maree.fr. The application is built by Tommy Schmucker and is explicitly ad-free, relying on optional user support. It processes raw atlas files into a compact binary format for fast loading and linearly interpolates/extrapolates between published tide coefficients, making it a valuable resource for planning and situational awareness on the water.
Best use cases
Best for: Mariners and boaters who need to visualize tidal streams and understand their impact on navigation. It's ideal for planning routes where current knowledge is crucial, allowing users to see estimated speeds and directions tied to tide times. Useful for educational purposes to demonstrate tidal phenomena. Anyone interested in exploring marine current data published by SHOM in an accessible, interactive format.
Honest limitations
This application is not for navigation on its own; it must be used in addition to official charts and nautical publications. The displayed speeds and directions are derived estimates, not direct published SHOM values, due to data modifications and interpolation. Actual currents can differ from the atlas due to wind, weather, or river discharge. The service may be interrupted, and the author accepts no liability for decisions made based on its output.
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