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Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Australia Voice Weather Desk. Data from the Bureau of Meteorology (BOM) and other national met services via Open-Meteo.
The live forecast above shows the current conditions for Nelson Bay – Corlette. Expect mild, partly cloudy days typical of late autumn, with sea breezes moderating temperatures along the Port Stephens shoreline.
What is the typical weather pattern for Nelson Bay – Corlette?
Nelson Bay and Corlette share a coastal climate moderated by the Tasman Sea. Summer highs average 27°C, while winter days sit near 18°C. The prevailing north-easterly sea breeze often picks up by mid-morning, keeping afternoons comfortable. Rainfall is spread fairly evenly across the year, with February to June being the wettest months.
How does the local geography affect conditions?
The sheltered waters of Port Stephens mean lighter winds than the open coast. Corlette’s position on the bay’s northern shore can see slightly warmer overnight temperatures than Nelson Bay’s exposed headland. The nearby Tomaree National Park channels breezes, so conditions can shift quickly when a southerly change arrives.
Is Nelson Bay – Corlette affected by east coast lows?
Yes. East coast lows can bring heavy rain and strong southerly winds, especially from late autumn to early spring. The Port Stephens area is less exposed than the open coast, but boat ramps and low-lying roads near Corlette can flood during these events.
When is the best time to visit for calm conditions?
Late summer and early autumn (February to April) offer the most stable weather. Sea breezes are lighter, water temperatures are still warm, and the chance of storms is lower than in spring.
Does the water temperature vary much through the year?
Yes. Port Stephens water temperatures range from about 17°C in winter to 24°C in late summer. The shallow channels around Corlette can warm up a degree or two faster than the deeper main basin near Nelson Bay.
For broader conditions across the state, see the Australia weather hub. If you’re travelling south, check the Sydney Weather page for coastal comparisons.