Round Island Weather Forecast

    • 16
    • 27

    Sunny

    • 16
    • 26

    Cloud clearing

    • 17
    • 26

    Possible shower

    • 15
    • 27

    Partly cloudy

    • 14
    • 26

    Possible shower

    • 15
    • 26

    Possible shower

    • 12
    • 25

    Partly cloudy

Today 18 Sep Hervey Bay

The chance of fog early this morning. Mostly sunny afternoon. Light winds becoming northerly 15 to 20 km/h in the early afternoon then becoming light in the evening.

Hervey Bay Waters

Wind
Variable about 10 knots.
Seas
Below 1 metre.
1st Swell
North to northeasterly below 1 metre.
Weather
Mostly sunny.
Weather Situation
A ridge extends over the south Queensland waters. A weak trough will cross the southeastern waters this morning and early afternoon. A high [1024 hPa] will move into the Tasman Sea today and move east over the next day or two, extending a new ridge over the south Queensland waters. A trough will cross the south Queensland waters early on Sunday.
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Round Island Temperature Statistics View More

September Temperature

Hervey Bay Airport (5km)

  • Lowest 12 September, 2025

    9.7 °C

  • Average September

    18.6 °C

  • Highest 11 September, 2025

    26.3 °C

Climate (2020–Present)

Hervey Bay Airport (5km)

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  • Average Low 2020–2025

    17 °C

  • Average 2020–2025

    21.3 °C

  • Average High 2020–2025

    26.6 °C
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