Shoalhaven River – current river water temperature and swimming conditions
This page shows the current river water temperature at Shoalhaven River in New South Wales. 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 Shoalhaven River today is 12°C.
Water Temperature in Shoalhaven 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 Shoalhaven 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 Shoalhaven River will be 10.1°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 |
|---|---|---|---|
| Apr 28 | 13.3°C | 10.7°C | |
| Apr 29 | 13.1°C | 10.7°C | |
| Apr 30 | 13.0°C | 10.7°C | |
| May 1 | 13.1°C | 10.7°C | |
| May 2 | 13.1°C | 10.7°C | |
| May 3 | 13.0°C | 10.7°C | |
| May 4 | 13.2°C | 10.7°C | |
| May 5 | 13.1°C | 10.7°C | |
| May 6 | 12.3°C | 10.7°C | 12.3°C |
| May 7 | 10.7°C | 12.0°C | |
| May 8 | 10.7°C | 11.7°C | |
| May 9 | 10.7°C | 11.4°C | |
| May 10 | 10.7°C | 11.1°C | |
| May 11 | 10.7°C | 10.7°C | |
| May 12 | 10.7°C | 10.4°C | |
| May 13 | 10.7°C | 10.1°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 | 21°C | 23°C | 25°C |
| February | 19°C | 22°C | 23°C |
| March | 17°C | 19°C | 22°C |
| April | 13°C | 15°C | 18°C |
| May | 9°C | 11°C | 14°C |
| June | 6°C | 8°C | 10°C |
| July | 5°C | 7°C | 8°C |
| August | 7°C | 8°C | 11°C |
| September | 10°C | 13°C | 15°C |
| October | 13°C | 17°C | 20°C |
| November | 17°C | 20°C | 23°C |
| December | 19°C | 22°C | 25°C |
Shoalhaven River: Water Temperature by Location
🔗 Bomaderry
🔗 Nowra
Location & Local Information
Source Euranbene Mountain, Great Dividing Range
• location west of Bendethera
• coordinates 35°58′15″S 149°38′3″E
• elevation 864 m (2,835 ft)
Mouth Tasman Sea, Pacific Ocean
• location Shoalhaven Heads
• coordinates 34°51′S 150°44′E
• elevation 0 m (0 ft)
Length 327 km (203 mi)
The Shoalhaven River flows from the Southern Tablelands down to the NSW South Coast, and its water temperature reflects both its inland headwaters and coastal influence. In summer, from December to February, the river usually sits around 20–24°C, sometimes warming a little more in slow-moving sections during hot spells. Spring and autumn are mild and comfortable, with water temperatures generally in the 16–20°C range. Winter brings cooler conditions, often around 12–15°C, especially upstream, though the lower river can feel slightly warmer due to tidal influence. Rainfall and dam releases can affect both temperature and flow at different times.
Swimming Conditions
Swimming in the Shoalhaven River is generally allowed and popular in many sections, particularly during the warmer months. In summer, the water temperature is usually pleasant enough for proper swimming, floating and cooling off on hot days. Locals tend to favour known river beaches and calm bends where access is easy and currents are gentler. Closer to the mouth, tidal flow and boat traffic mean swimmers need to be more cautious. After heavy rain, water quality and visibility can drop, and currents can strengthen quickly. With sensible timing and good spot selection, the Shoalhaven offers a wide range of enjoyable swimming opportunities through much of the year.