Granville Harbour Weather Forecast

    • 10
    • 22

    Shower

    • 7
    • 13

    Shower

    • 6
    • 15

    Cloudy

    • 5
    • 17

    Partly cloudy

    • 7
    • 21

    Shower

    • 12
    • 21

    Shower

    • 11
    • 16

    Shower

Today 20 Sep Western

Becoming cloudy. Very high chance of showers, most likely late this afternoon and evening. Possible small hail later tonight. Damaging winds possible. Winds northerly 35 to 50 km/h turning westerly 40 to 60 km/h during the afternoon and evening. Daytime maximum temperatures between 19 and 23.

Central West Coastal Waters

Low Rocky Point to Sandy Cape
Wind
North to northwesterly 20 to 30 knots, reaching up to 35 knots in the early afternoon. Winds turning west to southwesterly 25 to 30 knots in the evening.
Seas
1.5 to 2.5 metres, increasing to 2.5 to 4 metres during the morning.
1st Swell
Southwesterly 3 to 4 metres, decreasing to 3 metres during the morning, then tending westerly 4 to 5 metres later in the evening.
Weather
Becoming cloudy. 90% chance of showers, with possible small hail later tonight.
Weather Situation
Warm northwesterly winds expected ahead of a cold front crossing the state this evening. The flow will tend colder southwesterly on Monday morning, with a high to establish over the Bight later Monday. This high is expected to move to the north of Tasmania on Tuesday morning and lie over the northern Tasman Sea during Wednesday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Granville Harbour Temperature Statistics View More

September Temperature

Strahan Airport (44km)

  • Lowest 12 September, 2026

    1.7 °C

  • Average September

    10.7 °C

  • Highest 13 September, 2026

    21.5 °C

Climate (2021–2026)

Strahan Airport (44km)

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  • Average Low 2021–2026

    8.4 °C

  • Average 2021–2026

    12.4 °C

  • Average High 2021–2026

    17.1 °C
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