At 06:40 water level is 0.02m and it will keep falling by 0.06m until the low tide at 11:36
The low tide with -0.04m is 20% of the lowest astronomical tide (-0.2m)
At 06:40 water level is 0.02m and it will keep falling by 0.06m until the low tide at 11:36
The low tide with -0.04m is 20% of the lowest astronomical tide (-0.2m)