At 18:39 water level is -0.5m and it will keep falling by 1.0m until the low tide at 21:11
The low tide with -1.5m is 37% of the lowest astronomical tide (-4.05m)
At 18:39 water level is -0.5m and it will keep falling by 1.0m until the low tide at 21:11
The low tide with -1.5m is 37% of the lowest astronomical tide (-4.05m)