Île Madame accessibility depends on tidal patterns near Port des Barques

Exploring Île Madame from Port des Barques requires careful attention to Atlantic tidal patterns. The accessibility of the island depends on specific tide schedules and coefficients.

High tide coefficients expand the available walking area on the seabed, but also increase current strength and the speed of rising waters. For a safe crossing, visitors are advised to maintain a margin of at least forty-five minutes before the tide returns to close the passage.