How to display the SHOM Current Atlas?
- Francis
- février 5, 2026
The SHOM Tidal Current Atlas is available for use in routing settings, in addition to GRIB format models (¹).
The Atlas data can be displayed as particles on the chart.

Tap/click on the layer display button, then check “Current Atlases”:

You can overlay this display with a high-resolution GRIB from Ifremer, for example, in order to compare them by dragging the timeline:

Tip: adjust the zoom according to the circumstances for better readability.
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(¹) See: How do I calculate a routing?