Roundish Island Weather Forecast

    • 25
    • 28

    Partly cloudy

    • 24
    • 26

    Shower

    • 24
    • 28

    Partly cloudy

    • 24
    • 29

    Sunny

    • 25
    • 28

    Partly cloudy

    • 25
    • 28

    Partly cloudy

    • 26
    • 28

    Partly cloudy

Today 21 Mar Central Coast and Whitsundays

Partly cloudy. Slight chance of a shower, becoming less likely in the late afternoon and evening. Winds east to southeasterly 15 to 25 km/h becoming light in the late evening. Daytime maximum temperatures around 30.

Mackay Costal Waters

Bowen to St Lawrence
Wind
Southeasterly 15 to 20 knots.
Seas
Around 1 metre, increasing to 1 to 1.5 metres offshore north of Hamilton Island.
1st Swell
East to northeasterly below 1 metre.
Weather
Mostly sunny.
Weather Situation
A weak ridge will persist over the east coast for the next few days. Tropical Cyclone Narelle [988 hPa] is moving west over the Gulf of Carpentaria as a category 2 system this morning. Tropical Cyclone Narelle is expected to intensify to category 3 later today as it moves into Northern Territory waters.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Roundish Island Temperature Statistics View More

March Temperature

St Lawrence (34km)

  • Lowest 17 March, 2026

    20.5 °C

  • Average March

    25.9 °C

  • Highest 5 March, 2026

    32 °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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