At 18:15 water level is -0.01m and it will keep falling by 0.01m until the low tide at 19:16
The low tide with -0.02m is 9% of the lowest astronomical tide (-0.22m)
At 18:15 water level is -0.01m and it will keep falling by 0.01m until the low tide at 19:16
The low tide with -0.02m is 9% of the lowest astronomical tide (-0.22m)