Alnwick Island Weather Forecast

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Today 18 Feb Capricornia

Partly cloudy. Medium chance of showers in the north, near zero chance elsewhere. The chance of a thunderstorm near the coast. Winds easterly 15 to 20 km/h.

Mackay Costal Waters

Bowen to St Lawrence
Wind
East to northeasterly about 10 knots, reaching up to 20 knots south of Mackay during the afternoon and evening.
Seas
Below 1 metre, increasing to 1 to 1.5 metres south of Mackay.
1st Swell
Easterly below 1 metre.
Weather
Cloudy. 70% chance of showers. The chance of a thunderstorm.
Weather Situation
A trough extends from the northern interior across central Queensland waters into the Coral Sea, gradually moving southwards until Thursday before gradually moving northwards into this weekend.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Alnwick Island Temperature Statistics View More

February Temperature

Middle Percy Island (40km)

  • Lowest 16 February, 2026

    23 °C

  • Average February

    26.1 °C

  • Highest 2 February, 2026

    30.7 °C

Climate (2021–Present)

Middle Percy Island (40km)

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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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