Coolum Beach Water Temperature & Swim Forecast
Popular Queensland beach near Coolum Beach.
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Location
Coolum Beach on the map, with nearby beaches and live sea temperatures.
7-day forecast
Water, air, waves, wind and UV outlook for the week ahead.
Check live temperature
Live water temperature is loading — refresh in a moment for a precise recommendation.
Recommendation tuned for Coolum Beach's current water temperature. Individual tolerance, wind chill, and session length all matter — when in doubt, size up.
Coolum Beach swimming conditions summary
- Water temperature
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- Water feels
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- Swimmable today
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- Swim conditions score
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- Wetsuit needed
- Check live temperature
- Air temperature
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- Waves
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- Wind
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- UV index
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- Warmest months to swim
- January, February, March
Live water temperature is loading — refresh in a moment for a precise recommendation. Live marine data updated hourly from Open-Meteo Marine.
Frequently asked questions
Can I swim at Coolum Beach right now?
Live data is loading. Use the 7-day forecast above to plan your swim — conditions above 22°C are comfortable for most swimmers.
What will the sea temperature be at Coolum Beach next week?
Based on long-term August averages and the latest marine model, expect the sea around Coolum Beach to sit close to 22.0°C over the next 7 days. Check the live 7-day chart above for the exact daily outlook.
When is the best month to swim at Coolum Beach?
January – February – March are typically the warmest months to swim at Coolum Beach, with sea temperatures at their seasonal peak.
Can I swim at Coolum Beach today?
Live data is loading. In summer, this beach typically offers comfortable swimming conditions.
- • Located in Queensland, Australia (Coral Sea).
- • Family friendly with calm, accessible water.
- • Live data refreshed hourly from Open-Meteo Marine.
Monthly sea temperature averages
Tap any month to see what to expect — based on regional climatology.
Best time to swim in Coolum Beach
The sea in Coolum Beach peaks in February, when the water averages around 28°C.
The main swimming season runs from January – December, when surface temperatures stay comfortable for extended sessions.
On average, 12 months a year sit above 20°C — the threshold most swimmers describe as pleasant without a wetsuit.
The coldest month is typically July at around 22°C, when cold-water swimmers dominate the coast.
Coolum Beach sits in the Southern Hemisphere, so the warmest sea coincides with the December–February summer and the coolest with July–August.
Coolum Beach sea temperature history
Long-term climatology for Coolum Beach shows an annual mean sea temperature of 25°C, ranging from 22°C in winter to 28°C at the summer peak.
The seasonal swing is roughly 6°C between the coldest and warmest month — a useful yardstick when comparing years or checking whether the current sea is running above or below average.
Recent decades have trended slightly warmer at Coolum Beach, in line with regional sea-surface temperature records for the wider basin.
Monthly averages below are drawn from multi-decadal climatology and are updated as new observations arrive.
Coolum Beach sea temperature: frequently asked questions
What is the warmest month to swim in Coolum Beach?
February is the warmest month in Coolum Beach, when the sea averages about 28°C. Late-season warmth often persists a few weeks after peak.
When is the sea coldest in Coolum Beach?
The coldest month in Coolum Beach is typically July, when the water averages around 22°C. Cold-water swimmers and surfers dominate this period.
When can you swim in Coolum Beach without a wetsuit?
The main swimming season in Coolum Beach runs from January – December — about 12 months a year when the sea sits above 20°C, the level most swimmers describe as pleasant without a wetsuit.
Do I need a wetsuit in Coolum Beach?
Coolum Beach stays warm year-round, so most swimmers never need a wetsuit — a rash guard is usually enough for sun and wildlife protection.
What is the average sea temperature in Coolum Beach?
The long-term annual mean sea temperature in Coolum Beach is about 25°C, based on multi-decadal climatology of the surrounding waters.
How do I check the current sea temperature in Coolum Beach?
The live reading at the top of this page shows the current sea temperature in Coolum Beach, updated hourly from marine buoy and satellite data. The 7-day forecast covers water, air, waves, wind and UV for the week ahead.
Year-round sea temperature
Best swim months: Jan – Feb – Mar – Apr – May – Jun – Jul – Aug – Sep – Oct – Nov – Dec
| Month | Sea | Comfort |
|---|---|---|
| Jan | 27°C | Hot |
| Feb ⭐ | 28°C | Hot |
| Mar | 27°C | Hot |
| Apr | 26°C | Hot |
| May | 24°C | Warm |
| Jun | 23°C | Warm |
| Jul | 22°C | Warm |
| Aug | 22°C | Warm |
| Sep | 23°C | Warm |
| Oct | 25°C | Warm |
| Nov | 26°C | Hot |
| Dec | 27°C | Hot |
Nearby beaches
The closest coastline, with live water temperatures.