Aljezur River — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in the Aljezur River, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in the Aljezur River today is 19.1°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
⚠️ As of today, the minimum water temperature ranges from 65°F (18°C) to 68°F (20°C). This is already quite warm water, which is ideal for most people. Swimming becomes comfortable, and prolonged stays in the water do not cause discomfort. This temperature is perfect for family trips and for those who prefer warmer water. It is also comfortable for water sports such as surfing or swimming. 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 |
|---|---|---|---|
| NOV 4 | 20.0°C | 15.0°C | |
| NOV 5 | 20.0°C | 15.0°C | |
| NOV 6 | 19.3°C | 15.0°C | |
| NOV 7 | 18.8°C | 15.0°C | |
| NOV 8 | 18.4°C | 15.0°C | |
| NOV 9 | 18.5°C | 15.0°C | |
| NOV 10 | 18.4°C | 15.0°C | |
| NOV 11 | 18.8°C | 15.0°C | |
| NOV 12 | 15.0°C | 18.9°C | |
| NOV 13 | 15.0°C | 18.7°C | |
| NOV 14 | 15.0°C | 18.5°C | |
| NOV 15 | 15.0°C | 18.3°C | |
| NOV 16 | 15.0°C | 18.1°C | |
| NOV 17 | 15.0°C | 17.9°C | |
| NOV 18 | 15.0°C | 17.7°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 | 13°C |
| February | 9°C | 12°C | 15°C |
| March | 10°C | 14°C | 17°C |
| April | 12°C | 16°C | 18°C |
| May | 15°C | 19°C | 24°C |
| June | 19°C | 24°C | 28°C |
| July | 21°C | 25°C | 28°C |
| August | 22°C | 27°C | 28°C |
| September | 21°C | 25°C | 28°C |
| October | 14°C | 18°C | 20°C |
| November | 11°C | 15°C | 18°C |
| December | 9°C | 12°C | 15°C |
Aljezur River: Water Temperature by Location
Aljezur River: Weather Forecast
November 12
November 13
November 14
November 15
November 16
Location & Local Information
The Ribeira de Aljezur (the River of Aljezur) is a small estuarine river in the Faro District of Portugal whose temperature reflects a mix of freshwater reach and tidal influence from the Atlantic. Seasonal surface water temperatures typically range from about 12–16 °C (54–61 °F) in winter, 14–18 °C (57–64 °F) in spring, 18–24 °C (64–75 °F) in summer and 16–20 °C (61–68 °F) in autumn. Shallow pools and sheltered bends can warm up more on sunny summer days, while winter flows and cooler sea incursions keep the estuary noticeably colder than calmer inland ponds.
Swimming in the Ribeira de Aljezur is generally possible in calm, shallow areas and near the estuary mouth when conditions are benign, but it is not a formally lifeguarded or regularly monitored bathing zone. Tidal currents, shifting sandbars and occasional runoff after heavy rains can affect safety and water quality, so many people swim only in sheltered spots or at low-risk times. Local advisories or signage should be checked when present; swimmers often use caution because of variable flow, cooler temperatures outside summer, and periodic contamination risks following storms.