Rocky Plains Bay Weather Forecast

    • 7
    • 13

    Partly cloudy

    • 3
    • 19

    Shower

    • 13
    • 19

    Shower

    • 11
    • 17

    Shower

    • 7
    • 15

    Partly cloudy

    • 5
    • 16

    Partly cloudy

    • 5
    • 16

    Partly cloudy

Today 28 Sep Western

Mostly clear. Winds east to northeasterly 15 to 20 km/h.

South West Coastal Waters

South East Cape to Low Rocky Point
Wind
Variable about 10 knots.
Seas
Below 1 metre.
1st Swell
Southwesterly 3 metres inshore, increasing to 3 to 4 metres offshore.
Weather
Partly cloudy.
Weather Situation
A high pressure system centred to the west of Tasmania extends a ridge over the state and is forecast to cross the state this evening before moving over the Tasman Sea during Tuesday. Northerly flow is expected to build over Tasmania during Tuesday ahead of an approaching trough, forecast to cross Wednesday morning. A broad trough is forecast to cross the state during Thursday as a cold front approaches from the west, crossing Friday evening. A ridge of high pressure is then expected to approach Tasmania from the west during Friday, crossing during the day.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Rocky Plains Bay Temperature Statistics View More

September Temperature

Maatsuyker Island (30km)

  • Lowest 16 September, 2026

    3.8 °C

  • Average September

    10.2 °C

  • Highest 20 September, 2026

    20.6 °C

Climate (2021–2026)

Maatsuyker Island (30km)

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  • Average Low 2021–2026

    9.5 °C

  • Average 2021–2026

    11.7 °C

  • Average High 2021–2026

    14.3 °C
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