Cowaramup Bay Weather Forecast

    • 11
    • 17

    Cloudy

    • 10
    • 18

    Showers

    • 9
    • 17

    Possible early shower

    • 5
    • 19

    Mostly sunny

    • 7
    • 20

    Partly cloudy

    • 8
    • 20

    Partly cloudy

    • 10
    • 21

    Mostly sunny

Today 4 Sep South West

Cloudy. Medium chance of showers near the south coast, slight chance elsewhere. Winds southwesterly 25 to 35 km/h tending west to southwesterly 15 to 20 km/h in the early afternoon then becoming light in the evening. Daytime maximum temperatures around 16.

Leeuwin Coastal Waters

Cape Naturaliste to Walpole
Wind
Southwesterly 15 to 25 knots, reaching up to 30 knots during the morning. Winds turning west to northwesterly 10 to 15 knots in the evening.
Seas
2 to 3 metres, decreasing below 2 metres around midday, then decreasing to 1 metre during the afternoon.
1st Swell
Southwesterly 5 to 6 metres.
Weather
Cloudy.
Caution
Large and powerful surf conditions during the day are expected to be hazardous for coastal activities such as swimming, surfing and rock fishing.
Weather Situation
A moderate cold front will move east along the south coast today. A stronger cold front will cross the west coast on Saturday night, and move to the Esperance and Eucla coasts on Sunday before contracting inland on Monday as a new ridge develops in the Bight. Meanwhile, a weak ridge persisting over the Geraldton and Gascoyne coasts will dissipate on Saturday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Cowaramup Bay Temperature Statistics View More

September Temperature

Cape Naturaliste (36km)

  • Lowest 1 September, 2026

    9 °C

  • Average September

    13.5 °C

  • Highest 1 September, 2026

    18.2 °C

Climate (2021–2026)

Cape Naturaliste (36km)

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  • Average Low 2021–2026

    13.2 °C

  • Average 2021–2026

    17.2 °C

  • Average High 2021–2026

    22.7 °C
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