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Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Aussie Brief Weather Desk. Data from the Bureau of Meteorology (BOM) and other national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Collaroy sits on Sydney’s Northern Beaches, where the afternoon sea breeze keeps summer temperatures a few degrees cooler than inland suburbs. The live forecast above shows today’s conditions — use it to plan your day at the beach.
What makes Collaroy weather different from Sydney’s CBD?
Collaroy’s coastal position means the sea breeze arrives earlier and stronger than in most of Sydney weather zones. Summer afternoons often sit 3–5°C cooler than Parramatta. Winter mornings are milder thanks to the ocean’s warmth. The trade-off is higher humidity and more coastal showers when easterly winds push onshore. For hourly changes, check collaroy weather hourly data through the Bureau of Meteorology. Swell and wind direction matter here more than most beaches — a south-easterly change can shift conditions fast. For a broader outlook, visit the Australia weather hub.
What’s the best way to check Collaroy weather before heading out?
Use the live forecast above for current conditions, BOM radar for rain approaching from the east, and a 10-day outlook. For surfing or swimming, wind speed and swell height matter as much as temperature. The collaroy weather radar loop shows if showers are tracking your way. If you’re planning ahead, check weather in collaroy 10 days for a broad picture, and collaroy weather tomorrow for specifics.
What’s the water temperature at Collaroy Beach?
Sea surface temperature off Collaroy ranges from about 18°C in winter to 24°C in late summer. Check the live forecast above or BOM’s coastal observations for the current reading — it changes with swell and wind direction.
Does Collaroy get afternoon storms in summer?
Yes, like much of Sydney. Thunderstorms develop over the western suburbs and sometimes push east to the coast. The sea breeze can weaken them, but Collaroy still sees several storm days each summer, often late afternoon. Check severe weather warnings when storms are forecast.
Is Collaroy weather different from Manly weather?
Very similar. Manly and Collaroy are about 5 km apart on the same coast. Both get the same sea breeze and ocean influences. For practical purposes, manly weather forecasts are almost identical to Collaroy’s, though localised showers can vary.