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 17.25°C. Swimming in water of this temperature is generally concidered to be cool, and most people won't really enjoy it.

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.

63.1

°F

July 25, 04:30

Trend:

decreasing

Yesterday:

63.3°F

Tomorrow:

62.9°F

Sunrise:

06:31

Sunset:

20:46

Day Length:

14 h. 15 min.

Quarteira in August

Minimum:

58.0°F

Average:

60.9°F

Maximum:

62.7°F

Sea water temperature in Quarteira today

As of now, in Quarteira, the water temperature is 63.1°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 6.0°F lower than the average recorded on this particular day in recent years. The sea temperature remains approximately unchanged from yesterday. According to the forecast, we expect the temperature to fall a bit.

Recent sea temperature and forecast

Today's water temperature is considerably lower than the average registered over the last two weeks, indicating a slight cooling trend. It is also close to the historical minimum temperature for this date. The maximum temperature recorded for this date was 74.5°F on 2016, while the historical minimum was 63.0°F on 2018.

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 minimum recorded over the past years. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 62.8°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
Jul 11	70.4°F	66.0°F	67.9°F
Jul 12	69.7°F	66.4°F	68.2°F
Jul 13	67.4°F	65.7°F	68.1°F
Jul 14	65.9°F	65.1°F	68.2°F
Jul 15	65.4°F	64.5°F	68.1°F
Jul 16	67.5°F	64.0°F	68.2°F
Jul 17	67.4°F	63.8°F	68.4°F
Jul 18	67.7°F	65.2°F	68.8°F
Jul 19	65.9°F	66.9°F	69.0°F
Jul 20	65.0°F	66.4°F	68.7°F
Jul 21	63.9°F	65.7°F	68.5°F
Jul 22	63.4°F	64.5°F	68.7°F
Jul 23	63.5°F	65.9°F	68.8°F
Jul 24	63.3°F	67.1°F	69.3°F
Jul 25	63.1°F	68.6°F	69.0°F
Jul 26	62.9°F	66.5°F	68.9°F
Jul 27	63.1°F	67.5°F	69.0°F
Jul 28	63.1°F	70.4°F	69.1°F
Jul 29	62.6°F	68.6°F	68.6°F
Jul 30	62.7°F	71.2°F	68.7°F
Jul 31	62.6°F	72.1°F	68.6°F
Aug 1	62.8°F	73.9°F	68.8°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 July 6, 2025, reaching a 76.5°F. While the coldest temperature occurred on February 14, 2018, dipping to 56.6°F. The average readings by season are 60.6°F in Winter, 61.4°F in Spring, 67.9°F in Summer, and 67.1°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Santa Luzia	62.7°F	24mi
Alvor	60.0°F	27mi
Lagos	59.2°F	32mi

* current water temperature in this city

** straight line distance from Quarteira