Sloop Rock Weather Forecast

    • 13
    • 23

    Possible shower

    • 12
    • 18

    Partly cloudy

    • 9
    • 20

    Partly cloudy

    • 13
    • 21

    Partly cloudy

    • 14
    • 21

    Shower or two

    • 15
    • 22

    Possible shower

    • 13
    • 21

    Partly cloudy

Today 30 Dec St Helens

Cloudy. Medium chance of showers. Winds northerly 20 to 25 km/h shifting southeasterly 25 to 35 km/h in the evening then tending southerly in the late evening.

East of Flinders Island Coastal Waters

North Flinders Island to St Helens Point
Wind
North to northeasterly 15 to 20 knots tending north to northwesterly 10 to 15 knots in the evening then tending northwest to southwesterly 15 to 25 knots in the late evening. Winds reaching up to 30 knots in the late evening.
Seas
Around 1 metre, increasing to 1 to 1.5 metres inshore.
1st Swell
Northeasterly around 1 metre.
Weather
Cloudy.
Weather Situation
A cold front will clear in the east during Tuesday evening before a ridge of high pressure will begin to develop from the west on Wednesday. This ridge will persist over the coming days until a trough develops west of Bass Strait late Friday. This trough will extend over the northwest early Saturday and is expected to cross Tasmania by the evening.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Sloop Rock Temperature Statistics View More

December Temperature

St Helens Aerodrome (14km)

  • Lowest 25 December, 2025

    6.4 °C

  • Average December

    15.6 °C

  • Highest 17 December, 2025

    29.5 °C

Climate (2020–Present)

St Helens Aerodrome (14km)

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  • Average Low 2020–2025

    9.3 °C

  • Average 2020–2025

    13.3 °C

  • Average High 2020–2025

    18.2 °C
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