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Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Southern Focus Weather Desk. Data from the Bureau of Meteorology (BOM) and other national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Shoalwater’s weather is shaped by its position on the Cockburn Sound coast, delivering mild, wet winters and warm, dry summers tempered by afternoon sea breezes. The live forecast above shows today’s conditions for the suburb.
What makes Shoalwater’s weather different from inland Perth?
Shoalwater runs about 5 °C cooler than central Perth on summer afternoons thanks to the Fremantle Doctor – a timely south-westerly sea breeze that arrives by midday most days between November and March. Winter minimums hover around 9 °C, a degree or two milder than inland suburbs, because the ocean releases stored warmth overnight. Rainfall follows a distinct winter peak, with June and July each averaging roughly 130 mm, while summer months often record less than 15 mm.
Seasonal patterns at Shoalwater Beach
Summer (December–February) brings clear skies and light easterly mornings, shifting to a vigorous south-westerly by early afternoon. Water temperatures in Shoalwater Bay peak near 22 °C in February, ideal for swimming at the sheltered beach. Autumn days stay warm into April, while May marks the start of the wet season with passing cold fronts. Winter brings persistent cloud and short-lived showers, often broken by a few crisp, still days between systems. Spring (September–November) is notoriously windy, with strong afternoon sea breezes that attract kiteboarders but can catch beachgoers off guard.
Is Shoalwater Beach safe to swim at in all weather?
Shoalwater Beach is generally sheltered, but afternoon sea breezes can whip up choppy conditions, especially from November to March. Always check live conditions at the surf lifesaving flags and avoid swimming during a marine wind warning from the Bureau of Meteorology.
When is the best time to visit Shoalwater for fine weather?
The most reliable settled weather runs from late December through February, with calm mornings and warm sea temperatures. March and April also offer comfortable conditions with fewer crowds, though the chance of a late-season rain band increases from mid-May.
How accurate are the BOM’s 14-day forecasts for Shoalwater?
Long-range forecasts for the Perth region, including Shoalwater, provide a useful trend but become less reliable beyond day 7. For planning a beach day or boat trip, check the latest BOM Rockingham 14-day outlook and refine your plan with the 3‑hourly forecast the day before.
For a broader view of conditions across the state, visit our Australia weather hub or check the latest Perth weather page. If a cold front or severe storm is approaching, keep an eye on our severe weather warning updates. For nearby conditions, the BOM Shoalwater observations and BOM Rockingham 14‑day forecast are the most reliable tools for planning your day on the water or at the beach.