Ningaloo Reef Water Temperature
Updated Tue 11:18 (Australia/Brisbane)
Australia · Forecast updated Sep 22, 2026, 11:18 UTC
Current Sea Temperature
23.3°C
73.9°F
Mild water
Valid Sep 22, 2026, 11:18 (Australia/Brisbane). Source: stored Open-Meteo marine forecast. Temperature is not a safety rating or snorkel score.
Versus this month's average
Close to average
The typical September average is 23.1°C (73.6°F) from the historical baseline.
Recent trend
Warming by 0.3°C
Seven-day average: 23.1°C, versus 22.9°C in the prior seven days.
What to wear
Mild water
A rash guard is useful; cold-sensitive snorkelers may prefer a shorty wetsuit.
Cold tolerance varies. Wind, session length, sunshine, and exertion also affect comfort; temperature alone does not describe sea conditions or replace the snorkel forecast.
Typical Sea Temperature Over the Year
In the historical baseline for Ningaloo Reef, typical monthly averages range from about 23.0°C (73.4°F) in August to 27.9°C (82.2°F) in April.
Over the past 30 days, the average sea temperature in Ningaloo Reef has been 23.1°C.
Historical baseline (full year)
Southern Hemisphere. Summer is generally December–February; winter is June–August.
Typical monthly sea-surface temperature near Ningaloo Reef, calculated from hourly observations for 2023–2025. This is not this site's forecast archive.
| Month | Typical range | Average |
|---|---|---|
| January | 23.2–28.8°C | 25.7°C / 78.3°F |
| February | 25.5–26.4°C | 26.0°C / 78.8°F |
| March | 26.6–29.1°C | 27.7°C / 81.9°F |
| April | 26.8–29.0°C | 27.9°C / 82.2°F |
| May | 26.5–28.1°C | 27.2°C / 81.0°F |
| June | 24.3–26.1°C | 25.3°C / 77.5°F |
| July | 23.0–24.4°C | 23.8°C / 74.8°F |
| August | 22.6–23.4°C | 23.0°C / 73.4°F |
| September | 22.8–23.8°C | 23.1°C / 73.6°F |
| October | 23.0–24.0°C | 23.5°C / 74.3°F |
| November | 23.8–25.0°C | 24.2°C / 75.6°F |
| December | 24.3–26.8°C | 25.4°C / 77.7°F |
Source: Open-Meteo Marine API, MeteoFrance sea-surface temperature dataset. Nearest sea grid cell (-22.63, 113.63). Each month is the mean of yearly monthly means; the range is the lowest and highest of those yearly monthly means. Open-Meteo methodology.
Water temperature by month
Each month uses the 2023–2025 baseline. The range is the lowest and highest yearly monthly mean, not an hourly extreme.
Ningaloo Reef in January
Typical January water temperature near Ningaloo Reef is 25.7°C (78.3°F), with yearly monthly means from 23.2–28.8°C.
Ningaloo Reef in February
Typical February water temperature near Ningaloo Reef is 26.0°C (78.8°F), with yearly monthly means from 25.5–26.4°C.
Ningaloo Reef in March
Typical March water temperature near Ningaloo Reef is 27.7°C (81.9°F), with yearly monthly means from 26.6–29.1°C.
Ningaloo Reef in April
Typical April water temperature near Ningaloo Reef is 27.9°C (82.2°F), with yearly monthly means from 26.8–29.0°C.
Ningaloo Reef in May
Typical May water temperature near Ningaloo Reef is 27.2°C (81.0°F), with yearly monthly means from 26.5–28.1°C.
Ningaloo Reef in June
Typical June water temperature near Ningaloo Reef is 25.3°C (77.5°F), with yearly monthly means from 24.3–26.1°C.
Ningaloo Reef in July
Typical July water temperature near Ningaloo Reef is 23.8°C (74.8°F), with yearly monthly means from 23.0–24.4°C.
Ningaloo Reef in August
Typical August water temperature near Ningaloo Reef is 23.0°C (73.4°F), with yearly monthly means from 22.6–23.4°C.
Ningaloo Reef in September
Typical September water temperature near Ningaloo Reef is 23.1°C (73.6°F), with yearly monthly means from 22.8–23.8°C.
Ningaloo Reef in October
Typical October water temperature near Ningaloo Reef is 23.5°C (74.3°F), with yearly monthly means from 23.0–24.0°C.
Ningaloo Reef in November
Typical November water temperature near Ningaloo Reef is 24.2°C (75.6°F), with yearly monthly means from 23.8–25.0°C.
Ningaloo Reef in December
Typical December water temperature near Ningaloo Reef is 25.4°C (77.7°F), with yearly monthly means from 24.3–26.8°C.
Forecast archive (growing)
These values come from hourly forecasts SnorkelForecast has stored. They cover only months with records and do not replace the historical baseline.
| Month | Min | Average | Max |
|---|---|---|---|
| June | 24.5°C / 76.1°F | 25.2°C / 77.4°F | 26.1°C / 79.0°F |
| July | 23.8°C / 74.8°F | 24.2°C / 75.6°F | 25.0°C / 77.0°F |
| August | 23.1°C / 73.6°F | 23.7°C / 74.6°F | 24.5°C / 76.1°F |
| September | 22.5°C / 72.5°F | 23.0°C / 73.5°F | 23.6°C / 74.5°F |
Partial coverage: 4 calendar months with records. Profile calculated from 2731 hourly forecast records across 4 monthly periods. This is a growing archive, not a long-term climate normal.
About the water at Ningaloo Reef
UNESCO fringing reef off Exmouth where you can snorkel with whale sharks and manta rays.
- Area
- Western Australia
Ningaloo Reef Water Temperature: Common Questions
What is the water temperature in Ningaloo Reef today?
The current sea surface temperature near Ningaloo Reef is 23.3°C (73.9°F). Over the last 30 days, the average has been 23.1°C.
When is the water warmest in Ningaloo Reef?
The water is typically warmest in April, at around 27.9°C (82.2°F) in the 2023–2025 historical baseline.
When is the water coldest in Ningaloo Reef?
The water is typically coldest in August, at around 23.0°C (73.4°F) in the same historical baseline.
Can you swim in Ningaloo Reef today?
At 23.3°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 Ningaloo Reef.
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