All data are in degrees Fahrenheit

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Water temperature in Quarteira

Detailed information about the current water temperature in Quarteira. The trend over the last two weeks, daily averages, and precise forecast of the water temperature changes. Gain a deeper understanding of seasonal dynamics with monthly statistical analyses covering recent years.
Sea temperature in Quarteira now

62.1

°F

May 21, 18:51

Trend:

stable

Yesterday:

61.4°F

Tomorrow:

62.1°F

Sunrise:

06:20

Sunset:

20:38

Day Length:

14 h. 18 min.

Quarteira in May

Minimum:

58.0°F

Average:

61.0°F

Maximum:

62.8°F

Sea water temperature in Quarteira today

As of now, in Quarteira, the water temperature is 62.1°F. Swimming in water of this temperature is generally concidered to be cool, and most people won't really enjoy it. Today's reading is 1.4°F lower than the average recorded on this particular day in recent years. Since yesterday, there was a slight increase in temperature. This indicates a warming trend over the past day. According to the forecast, we expect the temperature to stay about the same.

Recent sea temperature and forecast

The water temperature today is above average for the last two weeks, showing a small increase in temperature. It also aligns closely with the historical average temperature for this date, indicating a typical climate pattern. The maximum temperature recorded for this date was 66.0°F on 2020, while the historical minimum was 59.1°F on 2024.

The water temperature over the last two weeks displayed soome variability. While the two week average stayed close to the historical average, there were some days when the temperature was close to the minimum recorded over the past years. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 62.7°F, with minimum temperature starting at 62.1°F, while the maximum might reach 63.6°F.

Daily water temperature in Quarteira

Date Current Year

actual* / forecast**

last year 10 years average
May 7 60.9°F 63.4°F 62.7°F
May 8 61.2°F 64.4°F 62.7°F
May 9 61.6°F 63.5°F 63.0°F
May 10 61.8°F 63.4°F 62.9°F
May 11 62.0°F 63.2°F 62.7°F
May 12 62.3°F 63.2°F 62.7°F
May 13 62.9°F 63.1°F 62.7°F
May 14 62.8°F 62.6°F 62.6°F
May 15 61.7°F 62.1°F 62.5°F
May 16 61.4°F 61.6°F 62.5°F
May 17 61.1°F 60.0°F 62.6°F
May 18 60.7°F 61.4°F 62.9°F
May 19 60.3°F 62.8°F 63.1°F
May 20 61.4°F 63.1°F 63.4°F
May 21 62.1°F 62.3°F 63.5°F
May 22 62.1°F 62.3°F 63.5°F
May 23 62.2°F 61.4°F 63.6°F
May 24 62.3°F 63.3°F 63.7°F
May 25 62.7°F 64.7°F 64.1°F
May 26 63.0°F 65.0°F 64.4°F
May 27 63.2°F 65.5°F 64.6°F
May 28 63.6°F 66.3°F 65.0°F

* actual - actual temperature values

** forecast - projected values for the next week

Real-time coastal temperatures could deviate by several degrees from the provided readings. These deviations often become evident following intense rainfall or strong winds.

Our forecasting methodology leverages a mathematical model, that uses current water and weather conditions, historical records, wind intensity and direction.

Sea water temperature in Quarteira by month

In an average year, Quarteira offers no days when the water temperature is warm enough to swim comfortably.
The warmest water in Quarteira was recorded on August 17, 2025, reaching a 77.0°F. While the coldest temperature occurred on February 12, 2026, dipping to 56.2°F. The average readings by season are 60.5°F in Winter, 61.4°F in Spring, 67.9°F in Summer, and 67.0°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Santa Luzia 61.9°F 24mi
Alvor 61.1°F 27mi
Lagos 60.7°F 32mi

* current water temperature in this city

** straight line distance from Quarteira