At 13:18 water level is -0.2m and it will keep falling by 0.2m until the low tide at 15:11
The low tide with -0.4m is 47% of the lowest astronomical tide (-0.84m)
At 13:18 water level is -0.2m and it will keep falling by 0.2m until the low tide at 15:11
The low tide with -0.4m is 47% of the lowest astronomical tide (-0.84m)