The breaking of Bribie Island has turned a deepwater passage into a treacherous maze of sandbars, unearthed tiny fibres of a deadly material, and has begun eating away a popular Sunshine Coast foreshore.
Waves first crossed a narrow sliver at the northern end of the island in December 2021, but there was hope that it was a one-off.
But in January last year, swells powered by ex-Tropical Cyclone Seth created a very thin passage – only a metre or two – through the sand.
It was a change not expected by authorities until at least 2040.
That once-tiny slice is now a…