Jervis Inlet Lake — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Jervis Inlet Lake, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Jervis Inlet Lake today is 10.5°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
❌ As of today, the minimum water temperature ranges from 50°F (10°C) to 54°F (12°C). The water is slightly warmer, but still cool for most people. Swimming in such conditions is possible, but for most people, the time spent in the water should be limited to avoid hypothermia. Even experienced swimmers may feel discomfort if they stay in the water for too long. To improve comfort and safety, a wetsuit can be used. It is important to note that these swimming tips and recommendations apply only in good weather. When the air temperature is below 68°F (20°C), and sometimes even below 77°F (25°C), swimming can be unpleasant even with relatively high water temperatures.
Water Temperature Chart Over the Last 30 Days
Table of Daily Sea Temperature Data
| Date | Current | Average | Forecast |
|---|---|---|---|
| OCT 5 | 11.9°C | 12.0°C | |
| OCT 6 | 12.2°C | 12.0°C | |
| OCT 7 | 11.9°C | 12.0°C | |
| OCT 8 | 11.2°C | 12.0°C | |
| OCT 9 | 11.5°C | 12.0°C | |
| OCT 10 | 11.9°C | 12.0°C | |
| OCT 11 | 11.9°C | 12.0°C | |
| OCT 12 | 11.0°C | 12.0°C | |
| OCT 13 | 12.0°C | 10.6°C | |
| OCT 14 | 12.0°C | 10.7°C | |
| OCT 15 | 12.0°C | 10.7°C | |
| OCT 16 | 12.0°C | 10.8°C | |
| OCT 17 | 12.0°C | 10.9°C | |
| OCT 18 | 12.0°C | 11.0°C | |
| OCT 19 | 12.0°C | 11.0°C |
* Current - Actual water temperature value
** Average - Average water temperature on this day in recent years
*** Forecast - Our water temperature forecast
Actual nearshore water temperatures may fluctuate by several degrees from the reported values, especially following heavy rainfall or extended periods of strong winds. Certain wind patterns can cause colder, deeper waters to rise and replace the sun-warmed surface water, leading to noticeable variations.
Our forecast is based on a proprietary mathematical model that considers real-time water temperature changes, historical trends, key weather patterns, wind strength and direction, and air temperature specific to each region. Additionally, we incorporate data from other resorts to enhance accuracy.
Monthly Water Temperature Range (Min, Max & Average)
| Month | Min | Avg | Max |
|---|---|---|---|
| January | 0°C | 3°C | 7°C |
| February | 0°C | 3°C | 7°C |
| March | 0°C | 4°C | 9°C |
| April | 0°C | 6°C | 13°C |
| May | 4°C | 11°C | 17°C |
| June | 7°C | 13°C | 19°C |
| July | 15°C | 19°C | 24°C |
| August | 17°C | 19°C | 24°C |
| September | 11°C | 16°C | 20°C |
| October | 7°C | 12°C | 16°C |
| November | 3°C | 6°C | 11°C |
| December | 0°C | 4°C | 8°C |
Jervis Inlet Lake: Water Temperature by Location
Jervis Inlet Lake: Weather Forecast
October 13
October 14
October 15
October 16
October 17
Location & Local Information
Jervis Inlet, located on the Sunshine Coast of British Columbia, is not a freshwater lake but a deep, long fjord connected to the Pacific Ocean. Its water temperatures are characteristic of a cold, high-latitude marine environment. Surface water warms up in the summer, but the fjord’s depth and connection to the Strait of Georgia keep temperatures cool. In the peak summer months, surface temperatures can reach a maximum of around 19∘C to 21∘C (66∘F to 70∘F), with certain secluded, shallow spots occasionally warmer. However, the water column remains cold, and in winter, temperatures drop to around 7∘C to 10∘C (45∘F to 50∘F).
Swimming is generally permitted, but the cold water and natural hazards mean it is only suitable for the hardiest swimmers. There are no officially lifeguarded beaches along the inlet's vast, rugged shoreline. Some nearby marine parks, like Princess Louisa Marine Park at the head of the inlet, allow swimming but note there are no designated areas. Caution is paramount; even in summer, the low temperatures pose a risk of cold shock and hypothermia after only a short time in the water. Furthermore, the fjord has deep water, strong currents, and heavy boat traffic, particularly during the summer boating season, making all swimming highly at one's own risk.