Gunnamatta Beach Weather Forecast

    • 18
    • 28

    Partly cloudy

    • 13
    • 21

    Shower

    • 11
    • 18

    Rain

    • 9
    • 17

    Shower

    • 8
    • 17

    Shower

    • 9
    • 18

    Shower

    • 10
    • 18

    Shower

Today 23 Oct Mornington Peninsula

Sunny day. Slight chance of a shower late this afternoon and evening. Winds northerly 25 to 40 km/h shifting south to southwesterly 15 to 20 km/h in the evening.

Central Victoria Coastal Waters

Cape Otway to Wilsons Promontory
Wind
Northerly 15 to 20 knots, reaching up to 25 knots offshore during the morning and early afternoon. Winds shifting southwesterly 10 to 15 knots in the late afternoon.
Seas
1 to 2 metres, decreasing to 1 metre by early evening.
1st Swell
Southwesterly 1.5 to 2 metres, increasing to 2.5 to 3 metres in the far west.
Weather
Mostly sunny. 50% chance of showers late this afternoon and evening. The chance of a thunderstorm inshore during this afternoon and early evening.
Weather Situation
A high pressure system centred over the Tasman Sea will drift slowly eastwards as a low pressure trough approaches from the west later today. This trough will linger over the State on Saturday and Sunday before a cold front crosses later Sunday into early Monday, clearing everything to the east.
Graph Plots Open in Graphs
  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Gunnamatta Beach Temperature Statistics View More

October Temperature

Cerberus (28 km)

  • Lowest 15 October, 2026

    3.3 °C
  • Average October

    15.3 °C
  • Highest 20 October, 2026

    28.6 °C

Climate (2021–2026)

Cerberus (28 km)

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  • Average Low 2021–2026

    10.3 °C
  • Average 2021–2026

    14.6 °C
  • Average High 2021–2026

    19.7 °C
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