Alnwick Island Weather Forecast

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    Clear

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    Shower

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    Shower

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    Shower

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    Shower

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    Shower

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    Shower

Today 25 Feb Capricornia

Mostly clear. Slight chance of a shower early this evening. Winds easterly 15 to 25 km/h becoming light in the late evening.

Mackay Costal Waters

Bowen to St Lawrence
Wind
Southeasterly 15 to 20 knots.
Seas
1 to 1.5 metres.
1st Swell
Easterly around 1 metre offshore.
Weather
Mostly clear.
Weather Situation
A weak trough extends over the Peninsula waters. From Friday, the trough will deepen and move slowly south over several days. A ridge extends over the north Queensland waters to the south of Townsville, weakening slightly on Thursday and Friday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Alnwick Island Temperature Statistics View More

February Temperature

Middle Percy Island (40km)

  • Lowest 21 February, 2026

    21.7 °C

  • Average February

    25.9 °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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