At 09:30 water level is 0.1m and it will keep rising by 0.0m until the high tide at 09:44
The high tide with 0.1m is 50% of the highest astronomical tide (0.2m)
At 09:30 water level is 0.1m and it will keep rising by 0.0m until the high tide at 09:44
The high tide with 0.1m is 50% of the highest astronomical tide (0.2m)