South Island Weather Forecast

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Today 18 Mar Capricornia

Partly cloudy. Slight chance of a shower near the coast, near zero chance elsewhere. 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, reaching up to 25 knots offshore north of Hamilton Island during the afternoon and evening.
Seas
1 to 1.5 metres, increasing to 1.5 to 2 metres offshore north of Hamilton Island.
1st Swell
Easterly below 1 metre.
Weather
Partly cloudy.
Weather Situation
A high in the Tasman Sea extends a ridge over the east of the state. Tropical Cyclone Narelle [978 hPa] in the northern Coral Sea is forecast to continue moving westwards while intensifying, entering the Cooktown and Peninsula waters on Thursday night and crossing the Far North Queensland coast on Friday morning.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

South Island Temperature Statistics View More

March Temperature

Middle Percy Island (12km)

  • Lowest 7 March, 2026

    21.8 °C

  • Average March

    25.5 °C

  • Highest 12 March, 2026

    28.7 °C

Climate (2021–Present)

Middle Percy Island (12km)

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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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