Reef health update – October 2025 Queensland recorded its hottest October on record for average air temperatures, and sea surface temperatures across the Marine Park remained about 1°C warmer than usual. Forecasts show the water is likely to stay 1 to 1.5°C above average through November. Looking ahead, temperatures in December are expected to stay 1 to 1.5°C above average in the Far Northern and Northern regions, and about 0.8 to 1°C above average in the Central and Southern regions. Across all