No, water web holo is something different. They’re regular Holofoil cards, with a more wavy holofoil. It’s similar, but not the same. Here are two examples of a Water Web Holo cards:
You are correct that the Groudon ex has the cracked ice holofoil on the entire card however, which we’ve seen on modern cards.
A.f.a.i.k., this Japanese Kyogre ex is the only card with this type of holofoil. No idea what it would be called, however.
Here is a small gif of my Kyogre ex (ignore the Korean card next to it) that better displays the holofoil than images can:
Greetz,
Quuador