At 09:15 water level is -0.35m and it will keep falling by 0.0m until the low tide at 09:16
The low tide with -0.35m is 50% of the lowest astronomical tide (-0.7m)
At 09:15 water level is -0.35m and it will keep falling by 0.0m until the low tide at 09:16
The low tide with -0.35m is 50% of the lowest astronomical tide (-0.7m)