Roundish Island Weather Forecast

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Today 20 Feb Central Coast and Whitsundays

Cloudy. Very high chance of showers in the north, medium chance elsewhere. The chance of a thunderstorm in the late morning and afternoon, possibly severe with heavy rain which may lead to flash flooding. Winds east to southeasterly 15 to 20 km/h. Daytime maximum temperatures in the mid to high 20s.

Mackay Costal Waters

Bowen to St Lawrence
Wind
Easterly 15 to 20 knots.
Seas
Around 1 metre, increasing to 1 to 1.5 metres by early evening.
1st Swell
Easterly below 1 metre.
Weather
Cloudy. 95% chance of showers north of Hamilton Island, 60% chance elsewhere. The chance of a thunderstorm this morning.
Weather Situation
A trough extends from the northern interior across central Queensland waters into the Coral Sea, moving northwards from Saturday as a ridge strengthens along the east coast.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Roundish Island Temperature Statistics View More

February Temperature

St Lawrence (34km)

  • Lowest 1 February, 2026

    21.7 °C

  • Average February

    26.9 °C

  • Highest 12 February, 2026

    33.3 °C

Climate (2021–Present)

St Lawrence (34km)

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  • Average Low 2021–2026

    17.9 °C

  • Average 2021–2026

    22.9 °C

  • Average High 2021–2026

    28.9 °C
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