The second wave had died off more quickly than the first, but it had been more powerful from what he could tell, or at least had more volume, since the standing water was about halfway up the shelves now. Though it didn't sound like there was another one coming, "Okay. Alright. We're going to be fine." He wasn't entirely sure which of them he was trying to convince of this at the moment.
He gave another count of ten, and when there wasn't another wave imminent, he said: "I'm going to check the door. If it's clear we've just got to slog through this and we're home free." If it wasn't, they'd regroup and try something else.