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Best Time to Swim with Sea Lions

in Jurien Bay?

Unlike many wildlife experiences, there isn't one "best month" to swim with sea lions in Jurien Bay. Every season offers something unique—from warm summer water to quieter winter escapes.

The best time simply depends on the experience you're looking for.

Last updated 12 August 2026.

Based on thousands of guided sea lion encounters in the Jurien Bay Marine Park.

Local knowledge. Real experience. Honest advice.

Australian sea lions can be encountered in Jurien Bay throughout the year, so there is no single best month to visit. Autumn and spring often provide the best chance of calm conditions and clear visibility. Summer offers warmer water, and winter is quieter with greater booking flexibility. The best time depends on the experience you want.

CHOOSE THE BEST SEASON THAT SUITS YOU

Three guests in wetsuits aboard a sea lion tour vessel in Jurien Bay Marine Park.

SUMMER

DECEMBER - FEBRUARY

Best for: Warm water & family holidays

Warm water, generally around 20–24°C
Long sunny days
Great visibility
Popular time for families
Book early - it’s school holidays!

Aerial view of Jurien Bay, its white-sand coastline and turquoise water.

AUTUMN

MARCH - MAY

Best for: Calm conditions & photography

Comfortable temperatures
Good visibility
Quieter than summer
Photography
‘Magic’ May on Australia’s Coral Coast

Two guests preparing to swim from a sea lion tour vessel in Jurien Bay.

WINTER

JUNE - AUGUST

Best for: Quieter escapes & whale season

Cooler water
Crisp, but often sunny days
Fewer visitors in town
More booking flexibility
Whale watching

Curious Australian sea lion swimming through clear water in Jurien Bay Marine Park.

SPRING

SEPTEMBER - NOVEMBER

Best for: Active wildlife & shoulder season travel

Water warming
Active marine life
Pleasant conditions
Shoulder season
Wildflowers blooming

What Really Determines Your Sea Lion Experience?

While the season plays a role, it's only one part of the story. The quality of every sea lion encounter is influenced by a combination of natural conditions, wildlife behaviour and the type of experience you're looking for. These are the factors our crew consider every day before every tour.

Weather & Sea Conditions

Calm weather and good visibility create the best in-water conditions for both guests and sea lions. Some of our clearest days occur outside the peak summer season.

Sea Lion Behaviour

Australian sea lions are completely wild animals. Some days they're incredibly playful and curious, while on others they may spend more time resting or foraging. Every encounter is different.

Peak Periods

School holidays and long weekends bring more visitors to Jurien Bay. If you prefer a quieter experience onshore, consider travelling outside peak holiday periods. Travelling during quieter periods often means more departure choices and greater flexibility if weather conditions require a schedule change.

Your Tour Operator

Not all sea lion tours are the same. Vessel size, group size, experienced guides and onboard comforts all contribute to your overall experience—regardless of the season you choose.

Frequently Asked Questions

There is no single best month. Australian sea lions can be encountered throughout the year in Jurien Bay. Autumn and spring often offer calm conditions and clear visibility, summer brings warmer water, and winter provides a quieter experience with greater booking flexibility.
Yes. Australian sea lions live in the Jurien Bay Marine Park throughout the year. Their behaviour changes daily according to feeding, resting, breeding activity and individual temperament.
Autumn and spring often provide the best chance of calm boating conditions and clear underwater visibility. Conditions change daily, and our experienced skippers assess the weather and swell before every departure.
Yes. Water temperatures in Jurien Bay generally range from around 18°C during the cooler months to approximately 24°C during the warmer months. We provide full-length wetsuits, hot freshwater showers and complimentary hot drinks to keep guests comfortable throughout the year.
No. Australian sea lions are completely wild and choose how they behave during every encounter. Interaction levels vary from playful swimming to resting on the islands. If the sea lions do not enter the water during your tour, you will be invited back for a complimentary Sea Lion Tour in accordance with our redo policy.
For school holidays, weekends and peak travel periods, we recommend booking several weeks to months in advance. During quieter periods, we recommend booking at least two weeks ahead. Our booking page shows live availability.