Rosetta Harbor Weather Forecast

    • 11
    • 24

    Clear

    • 12
    • 33

    Sunny

    • 17
    • 38

    Sunny

    • 17
    • 27

    Partly cloudy

    • 13
    • 22

    Possible shower

    • 12
    • 21

    Shower or two

    • 11
    • 22

    Partly cloudy

Today 16 Dec Mount Lofty Ranges

Clear. Winds northeast to southeasterly 15 to 20 km/h.

South Central Coastal Waters

Wind
Easterly 10 to 15 knots.
Seas
Below 1 metre.
1st Swell
Southerly 1.5 metres.
Weather
Clear.
Weather Situation
A high pressure system in Bass Strait will maintain a ridge across SA as it drifts into the Tasman Sea on Wednesday. A trough of low pressure will briefly enter the far northeast of SA with another trough slowly moving across the south and west on Thursday. In the wake of the trough a south to southwesterly flow will establish across the coasts on Friday, continuing into Saturday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Rosetta Harbor Temperature Statistics View More

December Temperature

Encounter Bay (3km)

  • Lowest 3 December, 2025

    6.9 °C

  • Average December

    18.1 °C

  • Highest 4 December, 2025

    33.4 °C

Climate (2020–Present)

Encounter Bay (3km)

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  • Average Low 2020–2025

    10.4 °C

  • Average 2020–2025

    15.1 °C

  • Average High 2020–2025

    20.6 °C
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