Timor Sea – Water Temperature near Australia

The Timor Sea features warm tropical waters along Australia’s northwest. Water temperature remains high most of the year, supporting marine life and influencing swimming and offshore activities.

Current Water Temperature

27.1°C

minimum

27.9°C

average

28.6°C

maximum

The current water temperature in the Timor Sea today is within the range of 27-29°C. Thus, the average water temperature is about 28°C. This is warm water that suits almost everyone. Swimming feels easy and pleasant, even for extended stays, and there is little risk of discomfort from cooling. These temperatures are ideal for family swimming, snorkelling, and most water activities, offering a good balance between comfort and refreshment.

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

Water Temperature Over the Last 60 Days

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	27°C	30.0°C	32°C
February	27°C	30.0°C	32°C
March	27°C	30.0°C	32°C
April	27°C	30.0°C	32°C
May	24°C	28.0°C	31°C
June	23°C	27.0°C	30°C
July	22°C	25.0°C	28°C
August	23°C	26.0°C	28°C
September	24°C	27.0°C	29°C
October	24°C	28.0°C	31°C
November	27°C	30.0°C	32°C
December	28°C	31.0°C	33°C

The Timor Sea lies off Australia’s north-west coast, bordering the Northern Territory and the Kimberley region of Western Australia. Sitting in the tropics, the Timor Sea maintains consistently warm water temperatures throughout the year. In the cooler dry season, sea temperatures generally range from about 25–26°C, remaining very comfortable for water activities. During the hotter wet season, temperatures rise further, typically reaching 28–30°C, with shallow coastal waters sometimes feeling even warmer during extended periods of calm weather. Seasonal change is modest, with weather patterns having a greater impact than temperature itself.

Swimming Conditions

Swimming in the Timor Sea is allowed, but conditions depend heavily on location, season, and local guidance. During the dry season, usually from May to October, calmer seas and warm water make swimming more appealing, particularly in coastal areas with managed access. In the wet season, swimming is more restricted due to marine stingers, crocodiles in some northern waters, and rougher sea conditions driven by monsoonal weather. For these reasons, swimming is often limited to designated safe areas or times when risks are lower. While the water temperature is inviting year-round, safety considerations largely determine when and where swimming is suitable along the Timor Sea coast.

Australian States and Territories Along the Timor Sea

Northern Territory 27-29°C

Most Viewed Place in the Timor Sea

Other Australian Seas, Oceans and Straits

Frequently Asked Questions

What is the current water temperature in the Timor Sea in Australia?

The current water temperature in the Timor Sea today is within the range of 27-29°C.

What is the average water temperature by month in the Timor Sea in Australia?

Average monthly water temperatures in the Timor Sea range from about 22–24°C in the coolest winter months to around 31–33°C during the hottest summer months, with consistently warm conditions throughout the year.

When is the water warmest in the Timor Sea in Australia?

The warmest water temperatures in the Timor Sea usually occur from December to March, when temperatures commonly reach 32°C and can rise up to 33°C.

Is the water temperature suitable for swimming in the Timor Sea in Australia?

Yes, the water temperature is suitable for swimming year-round, as it remains warm in all seasons. Local marine conditions and seasonal safety considerations should still be taken into account.

What is the best time of year to swim in the Timor Sea in Australia?

The most comfortable time for swimming is generally from May to October, when water temperatures remain warm and weather conditions are typically calmer than during the wet season.

Does water temperature vary across different parts of the Timor Sea in Australia?

Yes, water temperature can vary slightly across the Timor Sea. Shallow coastal waters tend to warm more than open areas, while seasonal weather patterns also influence local conditions.

Do you need a wetsuit to swim in the Timor Sea in Australia?

A wetsuit is generally not needed, as water temperatures usually stay above 22–23°C throughout the year. Most swimmers find the water comfortable without thermal protection.

Where does the water temperature data for Australia come from?

Water temperature data is based on satellite observations, coastal monitoring stations, and long-term climate records, providing reliable monthly and seasonal averages.