At 18:01 water level is -0.39m and it will keep falling by 0.42m until the low tide at 21:03
The low tide with -0.81m is 45% of the lowest astronomical tide (-1.8m)
At 18:01 water level is -0.39m and it will keep falling by 0.42m until the low tide at 21:03
The low tide with -0.81m is 45% of the lowest astronomical tide (-1.8m)