At 21:10 water level is -0.71m and it will keep falling by 0.49m until the low tide at 23:27
The low tide with -1.2m is 50% of the lowest astronomical tide (-2.39m)
At 21:10 water level is -0.71m and it will keep falling by 0.49m until the low tide at 23:27
The low tide with -1.2m is 50% of the lowest astronomical tide (-2.39m)