Turning Forecasts into Actions: Marine Heatwaves and Ecosystem-Wide Impacts in Australian Waters During Summer 2024/25

Hobday, Alistair; M. Spillman, Claire; R. Hartog, Jason; Smith, Grant; Allnutt, Jamie; Bailleul, Fred; K. Blamey, Laura; Brodie, Stephanie; Champion, Curtis; Chandrapavan, Arani; A. Coleman, Melinda; Doubell, Mark; Duffy, Rodney; L. Grammer, Gretchen; Maynard, David; Plaganyi, E.P.; P. Thomson, Damian

doi:10.5670/oceanog.2026.e105

Public

Turning Forecasts into Actions: Marine Heatwaves and Ecosystem-Wide Impacts in Australian Waters During Summer 2024/25

Published in Oceanography • Jan 1, 2026

Authors:

Alistair Hobday

Claire M. Spillman

Jason R. Hartog

Abstract

Widespread marine heatwaves (MHWs) affected Australia over the 2024/25 summer and autumn. They impacted marine species, ecosystems, and coastal communities, with emerging economic consequences. Across northern Australia, severe coral bleaching occurred for the first time along both the western and e...

Subject

Dinoflagellate

Oceanography

Algal bloom

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