Island Bay Weather Forecast

    • 9
    • 14

    Showers

    • 10
    • 15

    Showers. Becoming windy

    • 8
    • 13

    Showers. Windy

    • 8
    • 12

    Shower or two

    • 3
    • 15

    Shower or two

    • 9
    • 16

    Possible morning shower

    • 7
    • 18

    Mostly sunny

Today 15 Apr Western

Cloudy. High chance of showers. Winds westerly 25 to 35 km/h turning northwesterly 20 to 30 km/h in the evening. Daytime maximum temperatures between 9 and 15.

South West Coastal Waters

South East Cape to Low Rocky Point
Wind
Westerly 25 to 30 knots.
Seas
2 to 3 metres.
1st Swell
Southwesterly 4 metres.
Weather
Cloudy. 90% chance of showers.
Weather Situation
A ridge of high pressure will move over the state during today. A gusty northwesterly stream will develop on Thursday morning, ahead of a significant cold front expected to cross Thursday afternoon and evening. A cold and gusty south to southwesterly stream is then expected to develop and persist through Friday, with a ridge to approach and move over Tasmania on Saturday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Island Bay Temperature Statistics View More

April Temperature

Dover (80km)

  • Lowest 11 April, 2026

    3.8 °C

  • Average April

    9.7 °C

  • Highest 9 April, 2026

    21.8 °C

Climate (2021–Present)

Dover (80km)

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  • Average Low 2021–2026

    6.9 °C

  • Average 2021–2026

    9.9 °C

  • Average High 2021–2026

    16.9 °C
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