At 18:15 water level is -0.1m and it will keep falling by 0.11m until the low tide at 21:01
The low tide with -0.21m is 52% of the lowest astronomical tide (-0.4m)
At 18:15 water level is -0.1m and it will keep falling by 0.11m until the low tide at 21:01
The low tide with -0.21m is 52% of the lowest astronomical tide (-0.4m)