Twin Cays Weather Forecast

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Today 17 Jul Capricornia

Partly cloudy. Slight chance of a shower during this afternoon and evening. Winds southerly 15 to 20 km/h turning southeasterly 15 to 25 km/h in the morning. Daytime maximum temperatures in the low to mid 20s.

Great Barrier Reef Offshore Waters

Bowen to Yeppoon
Wind
Southerly 20 to 25 knots turning southeasterly 15 to 20 knots during the morning and early afternoon.
Seas
1 to 2 metres.
1st Swell
Southeasterly 1 to 1.5 metres, decreasing to around 1 metre during the afternoon.
Weather
Partly cloudy. 70% chance of showers. The chance of a thunderstorm through the Capricorn Channel this evening.
Weather Situation
A firm ridge of high pressure extends over the northern Queensland waters from a large high [1037 hPa] centred over southeastern Australia. The ridge will persist for the next several days as the high remains centred over southeastern Australia.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Twin Cays Temperature Statistics View More

July Temperature

Middle Percy Island (184km)

  • Lowest 16 July, 2026

    15.3 °C

  • Average July

    18.8 °C

  • Highest 2 July, 2026

    24.2 °C

Climate (2021–2026)

Middle Percy Island (184km)

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  • Average Low 2021–2026

    20.7 °C

  • Average 2021–2026

    22.7 °C

  • Average High 2021–2026

    25.5 °C
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