Suspicious packages discovered on Queensland beaches after Cyclone Alfred

Suspicious packages have washed up on Queensland beaches in the wake of ex-Tropical Cyclone Alfred.

Police were called to the Bundaberg area, about four hours from Brisbane, after the packages were discovered at 6am yesterday.

A search of the water and shoreline uncovered further packages containing a suspicious substance.

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"The public are urged to contact police should further packages be located and to not open them as the substance could be hazardous," a Queensland Police spokesperson said.

"Anyone with information that can assist with investigations is urged to contact police."

Extensive patrols will be conducted today as investigations continue.

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