At 15:15 water level is 0.01m and it will keep falling by 0.11m until the low tide at 19:39
The low tide with -0.1m is 30% of the lowest astronomical tide (-0.33m)
At 15:15 water level is 0.01m and it will keep falling by 0.11m until the low tide at 19:39
The low tide with -0.1m is 30% of the lowest astronomical tide (-0.33m)