Tern Islet Weather Forecast

    • 21
    • 22

    Windy

    • 22
    • 22

    Partly cloudy

    • 21
    • 22

    Partly cloudy

    • 21
    • 22

    Partly cloudy

    • 22
    • 23

    Partly cloudy

    • 22
    • 23

    Shower

    • 22
    • 22

    Shower

Today 18 Sep Central Coast and Whitsundays

Partly cloudy. The chance of fog in the north early this morning. Slight chance of a shower along the coastal fringe, near zero chance elsewhere. Winds east to southeasterly 25 to 40 km/h. Daytime maximum temperatures 23 to 29.

Mackay Costal Waters

Bowen to St Lawrence
Wind
Southeasterly 15 to 25 knots, reaching up to 30 knots offshore north of Hamilton Island during the morning.
Seas
1 to 1.5 metres, increasing to 1.5 to 2 metres offshore.
1st Swell
Easterly below 1 metre inshore, increasing to 1 to 2 metres offshore.
Weather
Partly cloudy.
Weather Situation
A high pressure ridge extends over the North Queensland waters, strengthening today before weakening on Sunday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Tern Islet Temperature Statistics View More

September Temperature

Middle Percy Island (87km)

  • Lowest 1 September, 2026

    16.8 °C

  • Average September

    19.9 °C

  • Highest 16 September, 2026

    25.1 °C

Climate (2021–2026)

Middle Percy Island (87km)

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  • Average Low 2021–2026

    20.7 °C

  • Average 2021–2026

    22.6 °C

  • Average High 2021–2026

    25.5 °C
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