At 20:20 water level is -0.07m and it will keep rising by 0.03m until the high tide at 23:13
The high tide with -0.04m is -20% of the highest astronomical tide (0.2m)
At 20:20 water level is -0.07m and it will keep rising by 0.03m until the high tide at 23:13
The high tide with -0.04m is -20% of the highest astronomical tide (0.2m)