Half Moon Reef Weather Forecast

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Today 13 Jan Capricornia

Cloudy. Medium chance of showers. The chance of a thunderstorm, possibly severe with heavy rain which may lead to flash flooding. Winds easterly 15 to 20 km/h.

Great Barrier Reef Offshore Waters

Bowen to Yeppoon
Wind
North to northeasterly 10 to 15 knots.
Seas
1 to 1.5 metres, increasing to 1 to 2 metres north of Creal Reef.
1st Swell
Easterly around 1 metre.
Weather
Partly cloudy. The chance of a thunderstorm later tonight.
Weather Situation
A monsoon trough extends from ex-Tropical Cyclone Koji across central Queensland waters. The trough is forecast linger and drift a little northward into the Townsville waters later this week, with monsoonal winds to the north of it.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Half Moon Reef Temperature Statistics View More

January Temperature

Gannett Cay (26km)

  • Lowest 7 January, 2026

    24 °C

  • Average January

    26.9 °C

  • Highest 11 January, 2026

    28.1 °C

Climate (2021–Present)

Gannett Cay (26km)

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  • Average Low 2021–2026

    23.2 °C

  • Average 2021–2026

    24.5 °C

  • Average High 2021–2026

    25.7 °C
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