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A unique phenomenon in Europe: great tides!

Come and enjoy the magic of the great tides and discover the Mont-Saint-Michel become an island again!
A unique phenomenon in Europe: great tides!

Mont Saint-Michel

Every day the sea level varies according to the tidal phenomenon. As soon as the tide coefficient exceeds 100, the Mont-Saint-Michel becomes an island.


2018 will have several days with a coefficient greater than 100.



Dates of tides 2018


Here is calendar of the great tides 2018 with the maximum coefficients expected in Mont-Saint-Michel:

  • February 2018: Friday 2nd to Saturday 3rd. Coefficient 109.
  • March 2018: Saturday 3th to Sunday 4th. Coefficient 110.
  • August 2018: Sunday 12th to Tuesday 14th. Coefficient 109.
  • September 2018: Monday 10th to Wednesday 12th. Coefficient 111.
  • October 2018: Tuesday 9th to Wednesday 10th. Coefficient 108.



To note :

To see the effect of a coefficient 120, it will wait until March 25, 2073!