Low Isles Water Temperature
Updated Thu 11:21 (Australia/Brisbane)
Australia · Forecast updated Sep 17, 2026, 11:21 UTC
Current Sea Temperature
24.0°C
75.2°F
Mild water
Valid Sep 17, 2026, 11:21 (Australia/Brisbane). Source: stored Open-Meteo marine forecast. Temperature is not a safety rating or snorkel score.
Versus this month's average
0.8°C below
The typical September average is 24.8°C (76.6°F) from the historical baseline.
Recent trend
At least two weeks of records are needed before showing a reliable trend.
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 Low Isles, typical monthly averages range from about 23.7°C (74.7°F) in August to 30.5°C (86.9°F) in January.
Over the past 30 days, the average sea temperature in Low Isles has been 24.0°C.
Historical baseline (full year)
Southern Hemisphere. Summer is generally December–February; winter is June–August.
Typical monthly sea-surface temperature near Low Isles, calculated from hourly observations for 2023–2025. This is not this site's forecast archive.
| Month | Typical range | Average |
|---|---|---|
| January | 29.8–31.0°C | 30.5°C / 86.9°F |
| February | 29.4–30.5°C | 30.0°C / 86.0°F |
| March | 29.1–29.5°C | 29.3°C / 84.7°F |
| April | 27.9–29.2°C | 28.5°C / 83.3°F |
| May | 25.7–26.3°C | 25.9°C / 78.6°F |
| June | 24.4–24.7°C | 24.6°C / 76.3°F |
| July | 23.9–24.3°C | 24.0°C / 75.2°F |
| August | 23.1–24.3°C | 23.7°C / 74.7°F |
| September | 24.3–25.3°C | 24.8°C / 76.6°F |
| October | 26.0–27.2°C | 26.7°C / 80.1°F |
| November | 27.5–29.7°C | 28.6°C / 83.5°F |
| December | 28.7–30.1°C | 29.5°C / 85.1°F |
Source: Open-Meteo Marine API, MeteoFrance sea-surface temperature dataset. Nearest sea grid cell (-16.38, 145.63). 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.
Low Isles in January
Typical January water temperature near Low Isles is 30.5°C (86.9°F), with yearly monthly means from 29.8–31.0°C.
Low Isles in February
Typical February water temperature near Low Isles is 30.0°C (86.0°F), with yearly monthly means from 29.4–30.5°C.
Low Isles in March
Typical March water temperature near Low Isles is 29.3°C (84.7°F), with yearly monthly means from 29.1–29.5°C.
Low Isles in April
Typical April water temperature near Low Isles is 28.5°C (83.3°F), with yearly monthly means from 27.9–29.2°C.
Low Isles in May
Typical May water temperature near Low Isles is 25.9°C (78.6°F), with yearly monthly means from 25.7–26.3°C.
Low Isles in June
Typical June water temperature near Low Isles is 24.6°C (76.3°F), with yearly monthly means from 24.4–24.7°C.
Low Isles in July
Typical July water temperature near Low Isles is 24.0°C (75.2°F), with yearly monthly means from 23.9–24.3°C.
Low Isles in August
Typical August water temperature near Low Isles is 23.7°C (74.7°F), with yearly monthly means from 23.1–24.3°C.
Low Isles in September
Typical September water temperature near Low Isles is 24.8°C (76.6°F), with yearly monthly means from 24.3–25.3°C.
Low Isles in October
Typical October water temperature near Low Isles is 26.7°C (80.1°F), with yearly monthly means from 26.0–27.2°C.
Low Isles in November
Typical November water temperature near Low Isles is 28.6°C (83.5°F), with yearly monthly means from 27.5–29.7°C.
Low Isles in December
Typical December water temperature near Low Isles is 29.5°C (85.1°F), with yearly monthly means from 28.7–30.1°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 |
|---|---|---|---|
| September | 23.5°C / 74.3°F | 23.7°C / 74.7°F | 24.0°C / 75.2°F |
Partial coverage: 1 calendar months with records. Profile calculated from 74 hourly forecast records across 1 monthly periods. This is a growing archive, not a long-term climate normal.
About the water at Low Isles
Low wooded island off Port Douglas with a lighthouse cay and shallow reef snorkeling.
- Area
- Queensland
Low Isles Water Temperature: Common Questions
What is the water temperature in Low Isles today?
The current sea surface temperature near Low Isles is 24.0°C (75.2°F). Over the last 30 days, the average has been 24.0°C.
When is the water warmest in Low Isles?
The water is typically warmest in January, at around 30.5°C (86.9°F) in the 2023–2025 historical baseline.
When is the water coldest in Low Isles?
The water is typically coldest in August, at around 23.7°C (74.7°F) in the same historical baseline.
Can you swim in Low Isles today?
At 24.0°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 Low Isles.
View Snorkel Forecast →