Wineglass Bay Water Temperature
Updated Sat 13:17 (Australia/Brisbane)
Australia · Forecast updated Sep 26, 2026, 13:17 UTC
Current Sea Temperature
13.3°C
55.9°F
Cold water
Valid Sep 26, 2026, 13:17 (Australia/Brisbane). Source: stored Open-Meteo marine forecast. Temperature is not a safety rating or snorkel score.
Versus this month's average
1.1°C above
The typical September average is 12.2°C (54.0°F) from the historical baseline.
Recent trend
Warming by 0.3°C
Seven-day average: 13.3°C, versus 13.0°C in the prior seven days.
What to wear
Cold water
Use a full 3-5 mm wetsuit and keep the session within your cold-water experience.
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 Wineglass Bay, typical monthly averages range from about 11.1°C (52.0°F) in July to 19.0°C (66.2°F) in February.
Over the past 30 days, the average sea temperature in Wineglass Bay has been 13.0°C.
Historical baseline (full year)
Southern Hemisphere. Summer is generally December–February; winter is June–August.
Typical monthly sea-surface temperature near Wineglass Bay, calculated from hourly observations for 2023–2025. This is not this site's forecast archive.
| Month | Typical range | Average |
|---|---|---|
| January | 18.7–19.1°C | 18.8°C / 65.8°F |
| February | 18.5–19.6°C | 19.0°C / 66.2°F |
| March | 18.2–18.9°C | 18.6°C / 65.5°F |
| April | 15.8–16.7°C | 16.3°C / 61.3°F |
| May | 13.6–14.6°C | 14.2°C / 57.6°F |
| June | 11.8–12.5°C | 12.3°C / 54.1°F |
| July | 10.6–11.5°C | 11.1°C / 52.0°F |
| August | 11.2–11.7°C | 11.5°C / 52.7°F |
| September | 12.0–12.5°C | 12.2°C / 54.0°F |
| October | 13.1–13.9°C | 13.5°C / 56.3°F |
| November | 14.6–16.2°C | 15.4°C / 59.7°F |
| December | 16.1–17.6°C | 16.9°C / 62.4°F |
Source: Open-Meteo Marine API, MeteoFrance sea-surface temperature dataset. Nearest sea grid cell (-42.13, 148.29). 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.
Wineglass Bay in January
Typical January water temperature near Wineglass Bay is 18.8°C (65.8°F), with yearly monthly means from 18.7–19.1°C.
Wineglass Bay in February
Typical February water temperature near Wineglass Bay is 19.0°C (66.2°F), with yearly monthly means from 18.5–19.6°C.
Wineglass Bay in March
Typical March water temperature near Wineglass Bay is 18.6°C (65.5°F), with yearly monthly means from 18.2–18.9°C.
Wineglass Bay in April
Typical April water temperature near Wineglass Bay is 16.3°C (61.3°F), with yearly monthly means from 15.8–16.7°C.
Wineglass Bay in May
Typical May water temperature near Wineglass Bay is 14.2°C (57.6°F), with yearly monthly means from 13.6–14.6°C.
Wineglass Bay in June
Typical June water temperature near Wineglass Bay is 12.3°C (54.1°F), with yearly monthly means from 11.8–12.5°C.
Wineglass Bay in July
Typical July water temperature near Wineglass Bay is 11.1°C (52.0°F), with yearly monthly means from 10.6–11.5°C.
Wineglass Bay in August
Typical August water temperature near Wineglass Bay is 11.5°C (52.7°F), with yearly monthly means from 11.2–11.7°C.
Wineglass Bay in September
Typical September water temperature near Wineglass Bay is 12.2°C (54.0°F), with yearly monthly means from 12.0–12.5°C.
Wineglass Bay in October
Typical October water temperature near Wineglass Bay is 13.5°C (56.3°F), with yearly monthly means from 13.1–13.9°C.
Wineglass Bay in November
Typical November water temperature near Wineglass Bay is 15.4°C (59.7°F), with yearly monthly means from 14.6–16.2°C.
Wineglass Bay in December
Typical December water temperature near Wineglass Bay is 16.9°C (62.4°F), with yearly monthly means from 16.1–17.6°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 |
|---|---|---|---|
| August | 12.1°C / 53.8°F | 12.3°C / 54.2°F | 13.1°C / 55.6°F |
| September | 12.6°C / 54.7°F | 13.1°C / 55.5°F | 13.9°C / 57.0°F |
Partial coverage: 2 calendar months with records. Profile calculated from 1174 hourly forecast records across 2 monthly periods. This is a growing archive, not a long-term climate normal.
About the water at Wineglass Bay
Sheltered Freycinet cove with clear water and temperate southern marine life.
- Area
- Tasmania
Wineglass Bay Water Temperature: Common Questions
What is the water temperature in Wineglass Bay today?
The current sea surface temperature near Wineglass Bay is 13.3°C (55.9°F). Over the last 30 days, the average has been 13.0°C.
When is the water warmest in Wineglass Bay?
The water is typically warmest in February, at around 19.0°C (66.2°F) in the 2023–2025 historical baseline.
When is the water coldest in Wineglass Bay?
The water is typically coldest in July, at around 11.1°C (52.0°F) in the same historical baseline. A wetsuit is usually recommended during this period.
Can you swim in Wineglass Bay today?
At 13.3°C the water is cold. A thick wetsuit is strongly recommended.
Full Snorkeling Forecast
See how today's sea temperature, wave height, wind, and tides combine into a detailed snorkeling score for Wineglass Bay.
View Snorkel Forecast →