Lord Howe Island Sea Temperature
Australia · Forecast updated Jul 15, 2026, 06:21 UTC
Current Sea Temperature
19.7°C
67.5°F
Cool water
Versus this month's average
0.4°C above
The July average in our archive is 19.3°C (66.8°F).
Recent trend
Holding fairly steady
Seven-day average: 19.3°C, versus 19.3°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 mean the sea is safe.
Sea Surface Temperature Over the Year
In the data collected for Lord Howe Island, monthly averages range from about 19.3°C (66.8°F) in July to 20.3°C (68.5°F) in June.
Over the past 30 days, the average sea temperature in Lord Howe Island has been 19.5°C.
Monthly Water Temperature Averages
| Month | Min | Average | Max |
|---|---|---|---|
| June | 19.2°C / 66.6°F | 20.3°C / 68.5°F | 21.4°C / 70.5°F |
| July | 19.0°C / 66.2°F | 19.3°C / 66.8°F | 19.7°C / 67.5°F |
Profile calculated from 1070 hourly forecast records across 2 monthly periods. This is a growing archive, not a long-term climate normal.
About the water at Lord Howe Island
World's southernmost coral reef, a clear-water lagoon with endemic fish.
- Area
- New South Wales
Lord Howe Island Water Temperature — Common Questions
What is the sea temperature in Lord Howe Island today?
The current sea surface temperature in Lord Howe Island is 19.7°C. Over the last 30 days, the average has been 19.5°C.
When is the water warmest in Lord Howe Island?
The warmest monthly average in the Lord Howe Island archive is June, at around 20.3°C (68.5°F).
When is the water coldest in Lord Howe Island?
The coldest monthly average in the archive is July, at around 19.3°C (66.8°F). A wetsuit is usually recommended during this period.
Can you swim in Lord Howe Island today?
The water is 19.7°C — cool but manageable with a wetsuit or for short dips.
Full Snorkeling Forecast
See how today's sea temperature, wave height, wind, and tides combine into a detailed snorkeling score for Lord Howe Island.
View Snorkel Forecast →