G7 Mega Bundle vol2

Purchased the bundle for the tide watches but no instructions on setting the location for the local tide. Is it automatically set via my location? If so it is not correct

I`ve got the same problem. Is there nobody outside, who can manage a proper tide watch? i mean, i do not need an exact tide prediction. It should show me every 6h25min high or low water and every few days i can adjust it to my location.

Mistake, a full tide is going 12h24min from high water to high water.