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Why swimmers brave the chill on Winter Solstice

Mark the shortest day of the year with a refreshing winter solstice swim; an invigorating tradition that celebrates renewal, community, and the slow return of the sun.

As June 21 approaches, swimmers across Australia are gearing up for a bold tradition: diving into cold waters to celebrate the winter solstice. It’s a ritual that blends ancient seasonal meaning with the modern-day buzz of a bracing, feel-good swim.

What Is the Winter Solstice?

The winter solstice – also known as the hibernal solstice – marks the shortest day and longest night of the year. Astronomically, it occurs when one of Earth’s poles is tilted furthest away from the sun. In the Southern Hemisphere, this happens in June, while the Northern Hemisphere’s solstice falls in December.

For thousands of years, cultures around the world have celebrated this turning point in the seasons. In the north, the winter solstice was a time of reflection, hope, and rebirth. From the ancient Roman festival of Saturnalia to Scandinavian Yule traditions, the solstice symbolised the slow return of the light, an early promise that warmth and growth would come again.

In the Southern Hemisphere, including Australia, the meaning is just as potent. Though we don’t battle snow or frozen lakes, the seasonal shift still marks the turning of the tide, when the days begin to lengthen and the sun starts to rise a little earlier and set a little later. For swimmers, that means more daylight to enjoy ocean swims, especially in the golden hours before or after work.

The Rise of Mid-Winter Swimming

So how did swimming become part of the solstice celebration?

Cold-water immersion has long been associated with vitality, resilience, and even spiritual cleansing. In many cultures, ritual bathing or plunging into cold water has symbolised renewal and a connection with nature. In recent years, science has caught up, pointing to benefits like improved circulation, boosted mood, reduced inflammation, and increased mental toughness.

For ocean swimmers, the winter solstice swim is a way to celebrate the power of the ocean and the changing season while tapping into the communal energy of others doing the same. It’s not about setting records or winning medals; it’s about showing up, jumping in, and feeling alive.

From Antarctica to Australia

At the extreme end of the spectrum, the Australian Antarctic Division at Casey Station famously marks the solstice by cutting a hole in thick sea ice and diving into sub-zero waters. It’s cold, it’s wild, and it’s utterly unforgettable.

Back on Australian shores, solstice swims have taken on many creative and community-driven forms. The Ian Lindeman Memorial Nude Charity Swim in Canberra is one of the country’s more cheeky and cherished events, while Tasmania’s Dark Mofo Festival features a dramatic pre-dawn plunge that attracts thousands.

Other gatherings, like the Sunshine Coast Solstice Swim and Williamstown’s Winter Solstice Sunset Swim, are growing each year; welcoming swimmers of all levels to take the plunge in celebration of light, community, and the courage to swim against the tide.

Swimmers in the Ian Linderman Memorial head into Lake Bury Griffin in the nude to celebrate the winter solstice.

Why You Should Join In

There’s something deeply rewarding about getting out of your comfort zone, and mid-winter ocean swimming delivers that in spades. You don’t need to be a winter warrior or a seasoned cold-water swimmer to take part. Just showing up and getting in is enough.

These swims aren’t just about the temperature. They’re about embracing the season, feeling part of something bigger, and kick-starting a new phase with clarity, confidence, and camaraderie. And yes, there’s often soup, music, costumes, and maybe even a ceramic mug to mark the moment.

So this June 21, consider joining your local swim crew, or find a community swim near you. Whether it’s a quiet dawn dip or a festival-style splash, a winter solstice swim will leave you feeling refreshed, renewed, and ready for the return of the sun.

  • Written by Ocean Swims on 5 June 2022
  • (Updated on 3 June 2025)

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