Half Moon Reef Weather Forecast

    • 24
    • 24

    Partly cloudy

    • 23
    • 24

    Partly cloudy

    • 23
    • 24

    Partly cloudy

    • 24
    • 24

    Partly cloudy

    • 24
    • 24

    Partly cloudy

    • 23
    • 23

    Shower

    • 22
    • 23

    Partly cloudy

Today 18 Sep Capricornia

Patchy fog early this morning. Mostly sunny afternoon. Light winds becoming east to northeasterly 15 to 20 km/h in the early afternoon then becoming light in the late evening. Daytime maximum temperatures 29 to 34.

Great Barrier Reef Offshore Waters

Bowen to Yeppoon
Wind
East to southeasterly 15 to 20 knots.
Seas
Around 1 metre, increasing to 1 to 1.5 metres north of Creal Reef during the afternoon.
1st Swell
East to northeasterly 1 to 1.5 metres, decreasing to around 1 metre during the morning.
Weather
Sunny.
Weather Situation
A ridge extends over the north Queensland waters, weakening on Friday and Saturday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Half Moon Reef Temperature Statistics View More

September Temperature

Gannett Cay (26km)

  • Lowest 2 September, 2025

    18.5 °C

  • Average September

    22.1 °C

  • Highest 16 September, 2025

    23.8 °C

Climate (2020–Present)

Gannett Cay (26km)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    23.1 °C

  • Average 2020–2025

    24.5 °C

  • Average High 2020–2025

    25.6 °C
Get WillyWeather+ to remove ads