"Where's the sea? It was there this morning..." is the astonishment when you discover that the sea has receded! It's a perfectly normal sight, as the tide comes and goes. Twice a day, you can witness this "high tide - low tide" cycle, each time offering an astonishing panorama. In concrete terms, the sea rises for around 6 hours, stagnates for a few minutes, then falls again for another 6 hours. This incessant to-and-fro is due to the Earth's rotation and the attraction exerted by the moon and sun on the mass of seas and oceans.
Corrections to be made to the Aber Wrac'h 2023 tidal predictions
Corrections hours (h mn)
Height corrections (cm)
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