At 21:00 water level is -0.15m and it will keep falling by 0.01m until the low tide at 21:46
The low tide with -0.16m is 45% of the lowest astronomical tide (-0.35m)
At 21:00 water level is -0.15m and it will keep falling by 0.01m until the low tide at 21:46
The low tide with -0.16m is 45% of the lowest astronomical tide (-0.35m)