March is a popular month to ask about Coolum Beach because conditions can shift week to week along this coast. Expect the water near 27.0°C, with daily variation from wind, tides and recent storms. We refresh the live value from Open-Meteo Marine every hour, so the headline above always reflects the current state of the Coral Sea.
Coolum Beach sea temperature in March — averages 27.0°C
The sea at Coolum Beach in Australia averages 27.0°C during March, based on long-run climatology for the Coral Sea. Use the live reading below for today's actual water and the monthly grid to compare with the rest of the year.
Average sea · March
27.0°C
tropical · Excellent
Live water now
…
Recommended wetsuit
No wetsuit
At 27.0°C the water is warm enough to swim and surf in just a swimsuit or boardshorts.
Monthly comparison
Yes — ideal swimming weather · Coolum Beach
Can you swim at Coolum Beach in June? — 23.0°C water23.0°CCan you swim at Coolum Beach in July? — 22.0°C water22.0°CCan you swim at Coolum Beach in August? — 22.0°C water22.0°CCan you swim at Coolum Beach in September? — 23.0°C water23.0°CCan you swim at Coolum Beach in October? — 25.0°C water25.0°CCan you swim at Coolum Beach in November? — 26.0°C water26.0°C
Frequently asked questions
What is the average sea temperature at Coolum Beach in March?
Coolum Beach averages 27.0°C in March, based on long-run climatology for the Coral Sea.
Is the sea warm enough to swim at Coolum Beach in March?
Yes, most swimmers find 27.0°C comfortable for unrestricted swimming.
Do I need a wetsuit at Coolum Beach in March?
No wetsuit needed.