At 18:38 water level is -0.06m and it will keep falling by 0.06m until the low tide at 21:27
The low tide with -0.12m is 50% of the lowest astronomical tide (-0.24m)
At 18:38 water level is -0.06m and it will keep falling by 0.06m until the low tide at 21:27
The low tide with -0.12m is 50% of the lowest astronomical tide (-0.24m)