Flat Rock Weather Forecast

    • 13
    • 19

    Wind easing. Cloudy

    • 12
    • 21

    Cloudy

    • 12
    • 23

    Showers. Becoming very windy

    • 10
    • 17

    Showers easing. Very windy

    • 10
    • 19

    Shower or two. Becoming windy

    • 12
    • 20

    Showers. Wind easing

    • 13
    • 19

    Showers

Today 18 Apr South West

Cloudy. Slight chance of a shower near the south coast, near zero chance elsewhere. Winds west to southwesterly 20 to 30 km/h decreasing to 15 to 20 km/h in the early morning then becoming light in the middle of the day. Daytime maximum temperatures around 20.

Leeuwin Coastal Waters

Cape Naturaliste to Walpole
Wind
Southwesterly 15 to 25 knots, reaching up to 30 knots east of Cape Leeuwin early in the morning. Winds turning westerly 15 to 20 knots in the middle of the day.
Seas
2 to 3 metres, decreasing to 1 metre during the morning.
1st Swell
Westerly 2.5 to 3 metres inshore, increasing to 2.5 to 4 metres offshore east of Cape Leeuwin.
Weather
Cloudy.
Weather Situation
A cold front approaches the southwest, moving over the coast during Friday night. The cold front will weaken today as it moves east across the South West Land Division. A ridge will develop over southern parts ahead of the next cold front Monday night.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Flat Rock Temperature Statistics View More

April Temperature

Windy Harbour (4km)

  • Lowest 11 April, 2026

    6 °C

  • Average April

    17.8 °C

  • Highest 3 April, 2026

    26.2 °C

Climate (2021–Present)

Windy Harbour (4km)

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  • Average Low 2021–2026

    11.1 °C

  • Average 2021–2026

    17 °C

  • Average High 2021–2026

    20.4 °C
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