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Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Southern Pulse Weather Desk. Data from the Bureau of Meteorology (BOM) and other national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Wannanup’s coastal weather is defined by mild, wet winters and warm, dry summers, with afternoon sea breezes that keep conditions fresher than inland spots. The live forecast above shows the immediate conditions, but the pattern is what matters most for planning.
What makes Wannanup’s climate different from inland Perth?
Being on the coast near Mandurah, Wannanup gets a direct ocean influence. Summer highs typically sit in the mid-to-high 20s Celsius, but the sea breeze often kicks in by early afternoon, dropping temperatures a few degrees. Winters are cool and damp, with morning drizzle common. If you’re checking weather in wannanup 10 days or a longer weather wannanup 14 days outlook, expect those sea-breeze shifts to show up in the wind and temperature figures.
How do I use wind and swell forecasts here?
Wannanup faces the Indian Ocean, so south-westerly swells are frequent. Willyweather Wannanup is a handy resource for surf and kite conditions, while weather Perth reports give you a broader regional context. Onshore winds strengthen through the afternoon, so morning is often calmer for beach or estuary activities.
What’s the best time to visit Wannanup for beach weather?
December to March offers the warmest, driest days, though afternoon sea breezes can strengthen. January and February are hottest; March is often milder with lighter winds.
Does Wannanup ever get severe storms?
Winter cold fronts can bring heavy rain and strong winds, but direct tropical cyclone impacts are rare this far south. Check severe weather warnings from BOM for localised storms.
How accurate are 10-day forecasts for Wannanup?
Reliable for broad trends (cool front approaching, sea-breeze timing) but day-to-day specifics beyond 7 days often shift. Use the weather in wannanup 10 days forecast as a guide, not a guarantee.
Sources
For broader coverage, see our Australia weather hub or the Perth Weather page for regional context.