At 21:58 water level is 0.1m and it will keep falling by 0.21m until the low tide at 13:28
The low tide with -0.11m is 21% of the lowest astronomical tide (-0.51m)
At 21:58 water level is 0.1m and it will keep falling by 0.21m until the low tide at 13:28
The low tide with -0.11m is 21% of the lowest astronomical tide (-0.51m)