Tirso River — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in the Tirso River, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in the Tirso River today is 21.4°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
✅ As of today, the minimum water temperature ranges from 68°F (20°C) to 74°F (23°C). The water is warm and pleasant for swimming, and in this range, one can stay in the water for extended periods without the risk of hypothermia. This is the ideal temperature for relaxation, swimming, and water sports. Families with children, as well as outdoor enthusiasts, will enjoy swimming and time spent in the water. For most people, this is the optimal temperature for a comfortable beach experience. 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 4 | 22.4°C | 18.0°C | |
| OCT 5 | 22.5°C | 18.0°C | |
| OCT 6 | 22.2°C | 18.0°C | |
| OCT 7 | 22.2°C | 18.0°C | |
| OCT 8 | 22.1°C | 18.0°C | |
| OCT 9 | 21.9°C | 18.0°C | |
| OCT 10 | 21.8°C | 18.0°C | |
| OCT 11 | 21.5°C | 18.0°C | |
| OCT 12 | 18.0°C | 21.2°C | |
| OCT 13 | 18.0°C | 21.1°C | |
| OCT 14 | 18.0°C | 20.9°C | |
| OCT 15 | 18.0°C | 20.7°C | |
| OCT 16 | 18.0°C | 20.6°C | |
| OCT 17 | 18.0°C | 20.4°C | |
| OCT 18 | 18.0°C | 20.2°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 | 6°C | 9°C | 12°C |
| February | 6°C | 9°C | 12°C |
| March | 9°C | 12°C | 15°C |
| April | 9°C | 13°C | 16°C |
| May | 10°C | 15°C | 21°C |
| June | 16°C | 20°C | 25°C |
| July | 18°C | 24°C | 31°C |
| August | 18°C | 23°C | 28°C |
| September | 18°C | 22°C | 27°C |
| October | 14°C | 18°C | 20°C |
| November | 9°C | 14°C | 18°C |
| December | 8°C | 11°C | 14°C |
Tirso River: Water Temperature by Location
Tirso River: Weather Forecast
October 12
October 13
October 14
October 15
October 16
October 17
Location & Local Information
Source:
• location Punta Pianedda (Buddusò) plateau
• elevation 985 m (3,232 ft)
Mouth Mediterranean Sea
• location Gulf of Oristano
• coordinates 39.885°N 8.54056°E
• elevation 0 m (0 ft)
Length 152 km (94 mi)
The Tirso is the longest river in Sardinia, flowing from the island’s central highlands to the Gulf of Oristano and passing through the artificial Lake Omodeo. Water temperatures vary with season and location: in winter the river commonly cools to around 6–12 °C (43–54 °F), influenced by rainfall and runoff; spring temperatures typically rise to roughly 10–18 °C (50–64 °F) as air temperatures climb; in summer slower stretches and the reservoir can warm to about 18–26 °C (64–79 °F), and in shallow, sun-exposed areas occasionally reach 26–28 °C (79–82 °F); autumn sees a gradual decline to roughly 12–20 °C (54–68 °F). Local conditions, depth and flow rate mean that specific spots can be markedly warmer or cooler than these averages.
Swimming in the Tirso and in Lake Omodeo is commonly practiced, but it is subject to local rules and safety considerations. Many open stretches and designated access points are used for bathing because the water is publicly accessible, yet swimming is restricted or dangerous near dams, intake structures and strong currents; water quality can also vary seasonally and algal blooms or upstream runoff may make some sites inadvisable. Visitors should follow posted signs, avoid hazardous areas around infrastructure, and be aware that colder seasonal temperatures make swimming uncomfortable or unsafe without appropriate precautions.