Pacific Ocean – Water Temperature near Australia
The Pacific Ocean influences much of Australia’s eastern coastline. Water temperatures range from tropical in the north to cooler temperate conditions in the south, affecting swimming comfort and marine conditions year-round.
Current Water Temperature
The current water temperature in the Pacific Ocean today is 24°C. Thus, the average water temperature is about 24°C. Water in this range is comfortably warm and widely considered ideal for swimming. Most people can stay in the water for a long time without feeling cold. It works well for families, recreational swimming, and active water sports such as swimming, surfing, and paddleboarding.
It’s important to note that these swimming tips and recommendations apply only in settled weather. When air temperatures drop below 20°C — and sometimes even below 25°C — swimming can feel uncomfortable, even when water temperatures are relatively high.
Sea Temperature Trends
Over the past month, the sea water temperature has remained largely unchanged. Overall, the sea water temperature is within the range expected based on historical data for this month.
Water Temperature and Swimming Conditions by Month
| Month | Min | Avg | Max |
|---|---|---|---|
| January | 21°C | 24.0°C | 26°C |
| February | 22°C | 24.0°C | 26°C |
| March | 22°C | 24.0°C | 26°C |
| April | 21°C | 23.0°C | 25°C |
| May | 19°C | 22.0°C | 24°C |
| June | 18°C | 20.0°C | 22°C |
| July | 17°C | 19.0°C | 21°C |
| August | 17°C | 19.0°C | 21°C |
| September | 17°C | 19.0°C | 21°C |
| October | 17°C | 20.0°C | 22°C |
| November | 19°C | 21.0°C | 23°C |
| December | 20°C | 23.0°C | 25°C |
The Pacific Ocean borders Australia’s entire eastern coastline, shaping water temperatures from tropical Queensland down through New South Wales and toward the cooler south-east. Sea temperatures vary widely with latitude and season, strongly influenced by the East Australian Current. In the tropical north, water temperatures stay warm year-round, generally ranging from about 24–26°C in winter to 28–30°C in summer. Along the central New South Wales coast, winter temperatures usually sit around 17–19°C, warming to roughly 22–25°C in summer. Further south, temperatures become cooler and more seasonal, reflecting the gradual loss of tropical influence.
Swimming Conditions
Swimming in the Pacific Ocean along Australia is allowed and extremely popular, with conditions suiting a wide range of swimmers depending on location and time of year. Summer is the peak season across most regions, when warmer water and air temperatures combine for comfortable swimming. In Queensland, swimming is possible year-round thanks to consistently warm water, although seasonal marine risks mean local guidance is important in summer. In New South Wales, swimming is most enjoyable from late spring through early autumn, especially at patrolled beaches. Surf, currents, and weather can vary day to day, but overall the Pacific Ocean offers some of Australia’s best and most accessible swimming conditions when local conditions are taken into account.
