What is the current water temperature in Quarteira?

Q: What is the current water temperature in Quarteira?

As of now, in Quarteira, the water temperature is 22.11°C. Swimming in water of this temperature is seen as relatively warm and enjoyable for some individuals, although many might find it slightly too cool.

Portugal > Quarteira

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.

71.8

°F

September 20, 20:43

Trend:

stable

Yesterday:

71.1°F

Tomorrow:

71.6°F

Sunrise:

07:18

Sunset:

19:33

Day Length:

12 h. 15 min.

Quarteira in September

Minimum:

58.5°F

Average:

60.7°F

Maximum:

62.6°F

Sea water temperature in Quarteira today

As of now, in Quarteira, the water temperature is 71.8°F. Swimming in water of this temperature is seen as relatively warm and enjoyable for some individuals, although many might find it slightly too cool. Today's reading is 2.7°F higher 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 fall a bit.

Recent sea temperature and forecast

Today's water temperature is notably higher than the average recorded over the past two weeks, indicating a significant warming trend. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 74.2°F on 2018, while the historical minimum was 65.4°F on 2017.

latest data

last year

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 maximum recorded over the past years. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 71.5°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Quarteira

Date	Current Year actual* / forecast**	last year	10 years average
Sep 6	69.4°F	65.2°F	69.3°F
Sep 7	70.1°F	65.9°F	69.5°F
Sep 8	70.1°F	67.4°F	69.7°F
Sep 9	69.7°F	67.1°F	69.7°F
Sep 10	68.7°F	65.6°F	69.4°F
Sep 11	68.9°F	63.5°F	68.8°F
Sep 12	69.1°F	63.9°F	68.8°F
Sep 13	69.8°F	65.1°F	68.8°F
Sep 14	70.0°F	64.1°F	68.8°F
Sep 15	71.5°F	65.0°F	69.2°F
Sep 16	72.0°F	66.1°F	69.4°F
Sep 17	70.5°F	67.6°F	69.2°F
Sep 18	70.6°F	68.6°F	69.5°F
Sep 19	71.1°F	67.1°F	69.2°F
Sep 20	71.8°F	67.8°F	69.1°F
Sep 21	71.6°F	67.4°F	68.8°F
Sep 22	71.6°F	67.6°F	68.9°F
Sep 23	71.5°F	66.0°F	68.7°F
Sep 24	71.7°F	66.3°F	69.0°F
Sep 25	71.6°F	66.3°F	68.8°F
Sep 26	71.4°F	67.2°F	68.6°F
Sep 27	71.1°F	67.8°F	68.3°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	74.0°F	24mi
Alvor	71.5°F	27mi
Lagos	71.1°F	32mi

* current water temperature in this city

** straight line distance from Quarteira