Sloop Rock Weather Forecast

    • 12
    • 27

    Partly cloudy

    • 14
    • 26

    Partly cloudy

    • 13
    • 18

    Shower or two

    • 14
    • 23

    Showers

    • 12
    • 20

    Showers increasing

    • 12
    • 22

    Possible shower

    • 12
    • 19

    Possible shower

Today 17 Dec St Helens

Partly cloudy. Winds north to northwesterly 20 to 30 km/h turning westerly 15 to 20 km/h in the late evening.

East of Flinders Island Coastal Waters

North Flinders Island to St Helens Point
Wind
North to northwesterly 15 to 20 knots.
Seas
Around 1 metre, increasing to 1 to 1.5 metres near Eddystone Point.
1st Swell
Southerly 1 to 1.5 metres, decreasing to around 1 metre around midday.
Weather
Partly cloudy.
Weather Situation
A high pressure system in Bass Strait will maintain a ridge across Tasmania as it drifts into the Tasman Sea. A trough will cross over the state tomorrow with a broad low pressure system developing off the west coast while a weak ridge slides along the south and the east on Friday. On Saturday the low pressure system will move to the south with an associated trough crossing the state.
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 2 December, 2025

    6.6 °C

  • Average December

    15.4 °C

  • Highest 4 December, 2025

    27.3 °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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