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Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Oz Insight Lab Weather Desk. Data from the Bureau of Meteorology (BOM) and other national met services via Open-Meteo.
If you’re planning a swim or a sunset stroll at Cottesloe Beach, check the live forecast above first: the sea breeze can arrive by midday, so aim for a calm morning or late afternoon for the best conditions.
When is the best time to visit Cottesloe Beach?
Summer (December–February) delivers the classic Perth beach weather: hot, dry days with sea temperatures around 22–24 °C. Autumn and spring offer milder, still-swimmable conditions with fewer crowds. Winter (June–August) is cooler and windier, but the clear winter skies can be spectacular for a walk or coffee.
What should I pack for Cottesloe Beach?
Bring a rashie or sun shirt, a wide-brimmed hat and reef-safe sunscreen – the UV index is extreme even on cloudy days. A light jacket or windbreaker is handy for the afternoon sea breeze, especially outside summer. If you’re checking the Perth weather before heading out, note that the weather cottesloe 14 days outlook is useful for planning a week-long stay.
How reliable are the forecasts for Cottesloe?
The Bureau of Meteorology provides the bom cottesloe detailed forecast, which is updated several times daily. For hour-by-hour changes, the cottesloe weather hourly data on WillyWeather and Weatherzone is handy, especially if you’re timing a snorkel or a family picnic.
Is Cottesloe Beach safe to swim in winter?
Yes, but water temperatures drop to 16–18 °C and the swell can be stronger. Stick to the patrolled area between the groyne and the northern end; lifeguards are on duty year-round on weekends and public holidays.
Does Cottesloe Beach get crowded during school holidays?
Yes, especially in the January school holidays and Easter. Arrive before 9 am to secure parking and a good spot on the sand. The Australia weather hub can help you pick a quieter day if the forecast shows a cool change.
Can I check the Cottesloe tide times on BOM?
The Bureau of Meteorology does not publish tide tables directly, but you can find them on WillyWeather or Elders Weather. The weather cottesloe 14 days forecast on those sites often includes tide times alongside the wind and swell data.