At 18:10 water level is -0.04m and it will keep falling by 0.01m until the low tide at 19:11
The low tide with -0.05m is 50% of the lowest astronomical tide (-0.1m)
At 18:10 water level is -0.04m and it will keep falling by 0.01m until the low tide at 19:11
The low tide with -0.05m is 50% of the lowest astronomical tide (-0.1m)