South Black Rock Weather Forecast

    • 12
    • 14

    Shower

    • 13
    • 13

    Windy

    • 9
    • 13

    Windy

    • 12
    • 12

    Shower

    • 10
    • 12

    Shower

    • 11
    • 12

    Shower

    • 12
    • 13

    Shower

Today 18 Sep North West Coast

Cloudy. Very high chance of showers, most likely in the late afternoon and evening. The chance of a thunderstorm in the west in the late afternoon and evening. Winds northerly 20 to 30 km/h turning northwesterly 25 to 35 km/h in the late morning and afternoon. Daytime maximum temperatures between 11 and 15.

Far Northwest Coastal Waters

Sandy Cape to Stanley including King Island
Wind
Northwesterly 15 to 20 knots, reaching up to 30 knots south of King Island during the day.
Seas
1 to 1.5 metres, increasing to 1.5 to 2.5 metres south of King Island.
1st Swell
Westerly 2 to 3 metres.
Weather
Partly cloudy. 60% chance of showers. The chance of a thunderstorm in the afternoon and evening.
Weather Situation
A westerly airstream over Tasmania tends northwesterly today, as a high pressure system over eastern Victoria moves eastwards over the northern Tasman Sea. A series of cold fronts are expected to pass over Tasmania from early Friday morning.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

South Black Rock Temperature Statistics View More

September Temperature

Marrawah (39km)

  • Lowest 6 September, 2025

    3.8 °C

  • Average September

    10.4 °C

  • Highest 15 September, 2025

    18.7 °C

Climate (2020–Present)

Marrawah (39km)

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  • Average Low 2020–2025

    9.7 °C

  • Average 2020–2025

    12.6 °C

  • Average High 2020–2025

    17.1 °C
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