Lady Elliot Island Sea Temperature
Updated Sat 09:29 (Australia/Brisbane)
Australia · Forecast updated Aug 8, 2026, 09:29 UTC
Current Sea Temperature
21.6°C
70.9°F
Cool water
Versus this month's average
Close to average
The August average in our archive is 21.6°C (70.8°F).
Recent trend
Holding fairly steady
Seven-day average: 21.6°C, versus 21.6°C in the prior seven days.
What to wear
Cool water
A 3 mm shorty or full wetsuit will make longer snorkels more comfortable.
Cold tolerance varies. Wind, session length, sunshine, and exertion also affect comfort; temperature alone does not describe sea conditions.
Sea Surface Temperature Over the Year
In the data collected for Lady Elliot Island, monthly averages range from about 21.6°C (70.8°F) in August to 23.1°C (73.6°F) in June.
Over the past 30 days, the average sea temperature in Lady Elliot Island has been 21.8°C.
Monthly Water Temperature Averages
| Month | Min | Average | Max |
|---|---|---|---|
| June | 22.5°C / 72.5°F | 23.1°C / 73.6°F | 24.1°C / 75.4°F |
| July | 21.2°C / 70.2°F | 22.1°C / 71.8°F | 23.1°C / 73.6°F |
| August | 21.4°C / 70.5°F | 21.6°C / 70.8°F | 21.8°C / 71.2°F |
Profile calculated from 1650 hourly forecast records across 3 monthly periods. This is a growing archive, not a long-term climate normal.
About the water at Lady Elliot Island
Southern Great Barrier Reef coral cay renowned for manta rays and turtles.
- Area
- Queensland
Lady Elliot Island Water Temperature: Common Questions
What is the sea temperature in Lady Elliot Island today?
The current sea surface temperature in Lady Elliot Island is 21.6°C. Over the last 30 days, the average has been 21.8°C.
When is the water warmest in Lady Elliot Island?
The warmest monthly average in the Lady Elliot Island archive is June, at around 23.1°C (73.6°F).
When is the water coldest in Lady Elliot Island?
The coldest monthly average in the archive is August, at around 21.6°C (70.8°F).
Can you swim in Lady Elliot Island today?
At 21.6°C, the water is usually comfortable for swimming and snorkeling.
Full Snorkeling Forecast
See how today's sea temperature, wave height, wind, and tides combine into a detailed snorkeling score for Lady Elliot Island.
View Snorkel Forecast →