Pieman River – current river water temperature and swimming conditions
This page shows the current river water temperature at Pieman River in Tasmania. You can explore recent temperature trends, typical monthly ranges, and historical averages for this date. The page also includes a 7-day water temperature forecast, local weather conditions, and an overview of how suitable the river is for swimming.
Current Water Temperature
The water temperature in Pieman River today is 15°C.
Water Temperature in Pieman River: Daily Trends, Historical Records, and Forecast
⚠️ River water between 10 and 15°C is cold but manageable for short swims, especially on sunny days with warm air temperatures. The moving nature of a river can make the water feel colder than the actual reading, particularly in shaded or deeper sections. Casual swimming is usually brief, with wetsuits often preferred. Windy or cool weather can significantly reduce comfort, even when the air temperature is mild.
Water Temperature Over the Last 30 Days
Water temperatures in Pieman River have been gradually cooling over the past month, with a further drop recorded during the last week.
According to our forecast, the water temperature in Pieman River will be 14.8°C in the next 7 days. See the table below for daily data for the upcoming week.
Table of Daily Water Temperature Data
| Date | Current | Average | Forecast |
|---|---|---|---|
| Mar 12 | 15.2°C | 14.8°C | |
| Mar 13 | 15.2°C | 14.8°C | |
| Mar 14 | 15.2°C | 14.8°C | |
| Mar 15 | 15.1°C | 14.8°C | |
| Mar 16 | 14.9°C | 14.8°C | |
| Mar 17 | 14.9°C | 14.8°C | |
| Mar 18 | 14.8°C | 14.8°C | |
| Mar 19 | 14.8°C | 14.8°C | |
| Mar 20 | 14.9°C | 14.8°C | 14.9°C |
| Mar 21 | 14.8°C | 14.9°C | |
| Mar 22 | 14.8°C | 14.9°C | |
| Mar 23 | 14.8°C | 14.9°C | |
| Mar 24 | 14.8°C | 14.9°C | |
| Mar 25 | 14.8°C | 14.8°C | |
| Mar 26 | 14.8°C | 14.8°C | |
| Mar 27 | 14.8°C | 14.8°C |
* Current - Actual water temperature value
** Average - Average water temperature on this day in recent years
*** Forecast - Our water temperature forecast
Actual river water temperatures may vary by several degrees from the reported values, particularly after heavy rainfall or periods of changing weather. Rainfall, river flow rates, and runoff from cooler upstream areas can significantly affect water temperature, especially in flowing sections and shaded stretches. Air temperature and cloud cover also play an important role, with warm, sunny conditions helping rivers warm up more quickly. As a result, noticeable temperature differences can occur along the same river.
Our forecast is based on a proprietary mathematical model that takes into account real-time river temperature changes, historical data, seasonal patterns, river flow conditions, recent rainfall, and local air temperature. We also factor in broader weather conditions specific to each region of Australia to improve accuracy.
Monthly Water Temperature Range (Min, Max & Average)
| Month | Today | Yesterday | A Week Ago |
|---|---|---|---|
| January | 13°C | 16°C | 18°C |
| February | 13°C | 16°C | 18°C |
| March | 13°C | 15°C | 17°C |
| April | 11°C | 13°C | 16°C |
| May | 9°C | 12°C | 14°C |
| June | 8°C | 10°C | 13°C |
| July | 7°C | 10°C | 13°C |
| August | 8°C | 10°C | 13°C |
| September | 8°C | 10°C | 13°C |
| October | 9°C | 12°C | 13°C |
| November | 11°C | 14°C | 16°C |
| December | 13°C | 15°C | 18°C |
Location & Local Information
Source confluence Mackintosh River and Murchison River
• location below Tullah
• elevation 191 m (627 ft)
Mouth Hardwicke Bay
• coordinates 41°40′13″S 144°55′9″E
• elevation 0 m (0 ft)
Length 26 km (16 mi)
The Pieman River runs through Tasmania’s remote west coast, flowing from rugged highlands through dense rainforest before reaching the Southern Ocean. Its water temperature reflects the cool, wet climate of the region. In summer, the river generally sits around 14–18°C, which feels cold at first but refreshing on rare warm days. Spring and autumn are cooler again, usually ranging between 10–14°C, while winter often sees temperatures drop to about 7–10°C. Frequent rainfall, shaded valleys, and steady flow keep the water consistently cool throughout the year.
Swimming Conditions
Swimming in the Pieman River is generally allowed, but it is uncommon and very much dependent on conditions. During settled summer weather, some calm sections and sheltered pools may be used for short swims, particularly by locals or visitors used to cold water. However, the river is large, deep, and often fast-flowing, with water levels that can change quickly after rain. Cold temperatures, limited access points, and strong currents make swimming unsuitable for most people outside of brief dips. Overall, the Pieman River offers a wild and scenic setting rather than a typical swimming spot, with any swimming best kept short, cautious, and limited to calm summer conditions.