Very dangerous” thunderstorm warnings have been issued for parts of Queensland as ex-Tropical Cyclone Alfred caused widespread flooding and power outages.

But while authorities have been warning residents to stay indoors as Cyclone Alfred approaches, die-hard surfers have been throwing caution to the increasing wind. "This is what we look forward to," said Jeff Weatherall as he waited for a jet ski to pick him up from Kirra beach and carry him into the big waves.