Penn Islet Weather Forecast

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Today 20 Feb Central Coast and Whitsundays

Cloudy. Very high chance of showers in the north, high chance elsewhere. The chance of a thunderstorm during the morning and afternoon, possibly severe with heavy rain which may lead to flash flooding. Light winds becoming east to southeasterly 15 to 20 km/h in the morning. 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.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Penn Islet Temperature Statistics View More

February Temperature

Middle Percy Island (40km)

  • Lowest 16 February, 2026

    23 °C

  • Average February

    26 °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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