Lake Emma – current water temperature and swimming conditions
This page provides information about the current water temperature at Lake Emma in Canterbury Region. Here you can view recent temperature trends on a 30-day chart, check typical monthly water temperature ranges, and compare today’s reading with historical averages for this date. A 7-day water temperature forecast, local weather conditions, and an overview of swimming suitability are also included.
Current Water Temperature
The water temperature in Lake Emma today is 14°C.
Water Temperature in Lake Emma: Daily Trends, Historical Records, and Forecast
⚠️ Lake temperatures between 10 and 15°C are cold but can be manageable for short swims on sunny, warm days. Shallow areas may feel slightly warmer, while deeper sections remain cold and slow to warm up. Most swimmers keep sessions brief, and wetsuits are often used for comfort. Wind and cooler air temperatures can quickly reduce how pleasant the swim feels.
Water Temperature Over the Last 30 Days
Water temperatures in Lake Emma have been on a steady rise over the past month and have continued to climb over the last week.
According to our forecast, the water temperature in Lake Emma will be 13.1°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 |
|---|---|---|---|
| Mar 22 | 13.7°C | 13.0°C | |
| Mar 23 | 13.7°C | 13.0°C | |
| Mar 24 | 13.7°C | 13.0°C | |
| Mar 25 | 13.7°C | 13.0°C | |
| Mar 26 | 13.7°C | 13.0°C | |
| Mar 27 | 13.7°C | 13.0°C | |
| Mar 28 | 14.1°C | 13.0°C | |
| Mar 29 | 14.1°C | 13.0°C | |
| Mar 30 | 14.1°C | 13.0°C | 14.1°C |
| Mar 31 | 13.0°C | 14.0°C | |
| Apr 1 | 13.0°C | 13.8°C | |
| Apr 2 | 13.0°C | 13.7°C | |
| Apr 3 | 13.0°C | 13.6°C | |
| Apr 4 | 13.0°C | 13.4°C | |
| Apr 5 | 13.0°C | 13.3°C | |
| Apr 6 | 13.0°C | 13.1°C |
* Current - Actual water temperature value
** Average - Average water temperature on this day in recent years
*** Forecast - Our water temperature forecast
Actual lake water temperatures may differ from the reported values by several degrees, particularly during periods of strong winds or rapid weather changes. Wind can mix surface and deeper layers in a lake, bringing cooler water to the surface, while shallow areas may warm more quickly under direct sunlight. Air temperature, sunshine, and cloud cover strongly influence how quickly a lake heats up or cools down. These factors can lead to noticeable temperature variations across different parts of the lake.
Our forecast is based on a proprietary mathematical model that considers real-time lake temperature observations, historical trends, seasonal cycles, wind strength and direction, and region-specific air temperature. To enhance accuracy, we also incorporate data from nearby monitored locations and comparable lakes within Australia.
Monthly Water Temperature Range (Min, Max & Average)
| Month | Today | Yesterday | A Week Ago |
|---|---|---|---|
| January | 9°C | 14°C | 19°C |
| February | 9°C | 15°C | 21°C |
| March | 7°C | 13°C | 19°C |
| April | 4°C | 10°C | 16°C |
| May | 2°C | 7°C | 12°C |
| June | 0°C | 4°C | 8°C |
| July | 0°C | 4°C | 7°C |
| August | 0°C | 4°C | 7°C |
| September | 3°C | 7°C | 11°C |
| October | 4°C | 9°C | 13°C |
| November | 6°C | 11°C | 15°C |
| December | 8°C | 13°C | 17°C |
Lake Emma: Weather Forecast
March 30
March 31
April 1
April 2
April 3
April 4
Location & Local Information
Lake Emma, in the Canterbury high country near Lake Heron, is a small alpine lake set among open tussock and rolling foothills. Its elevation and exposure to cool mountain air influence water temperatures throughout the year. In winter, surface temperatures are generally around 4–8°C, and frosts are common around the shoreline. During spring, snowmelt from nearby ranges keeps the lake cold, typically between 6 and 11°C. In summer, particularly in January and February, sheltered near-shore areas may warm to approximately 12–17°C on calm, sunny days, while deeper water remains noticeably cooler. By autumn, temperatures usually ease back to between 7 and 12°C. Wind can quickly mix the surface in this exposed landscape.
Swimming Conditions
Swimming is allowed at Lake Emma, but it is not widely used as a swimming destination due to the consistently cool conditions and remote setting. Even in mid-summer, water temperatures tend to remain in the mid teens at best, and the lake can feel brisk. The most suitable time for a short swim is during settled summer weather with light winds. Swimmers should choose sheltered shoreline spots and enter gradually to reduce the risk of cold shock. Checking weather conditions beforehand helps ensure a safer and more comfortable experience.