Chatham Island Weather Forecast

    • 12
    • 15

    Showers

    • 14
    • 15

    Showers easing

    • 12
    • 15

    Partly cloudy

    • 11
    • 18

    Mostly sunny

    • 13
    • 17

    Shower or two

    • 15
    • 17

    Showers

    • 13
    • 14

    Showers

Today 4 Aug South West

Cloudy. Very high chance of showers near the south coast, medium chance elsewhere. Winds west to southwesterly 15 to 25 km/h tending west to northwesterly 15 to 20 km/h during the day. Overnight temperatures falling to between 3 and 8 with daytime temperatures reaching between 13 and 16.

Leeuwin Coastal Waters

Cape Naturaliste to Walpole
Wind
Southwesterly 20 to 25 knots tending westerly 15 to 25 knots in the morning. Winds reaching up to 30 knots offshore east of Cape Leeuwin early in the morning and again in the evening.
Seas
2 to 3 metres, decreasing to 1.5 to 2 metres during the morning.
1st Swell
Southwesterly 6 to 7 metres, decreasing to 4 to 5 metres around midday.
Weather
Cloudy. 90% chance of showers.
Caution
Large and powerful surf conditions until evening are expected to be hazardous for coastal activities such as swimming, surfing and rock fishing.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Chatham Island Temperature Statistics View More

August Temperature

North Walpole (22km)

  • Lowest 3 August, 2025

    7.8 °C

  • Average August

    11.9 °C

  • Highest 1 August, 2025

    18.6 °C

Climate (2020–Present)

North Walpole (22km)

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  • Average Low 2020–2025

    11.9 °C

  • Average 2020–2025

    15.4 °C

  • Average High 2020–2025

    20.6 °C
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