What is the current water temperature in San Sebastian?

As of now, in San Sebastian, the water temperature is 27.6°C. It's safe to say that the water is comfortably warm for various water-related activities.

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Water temperature in San Sebastian

Detailed information about the current water temperature in San Sebastian. 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.

81.7

°F

February 16, 15:00

Trend:

stable

Yesterday:

81.6°F

Tomorrow:

81.6°F

Sunrise:

06:25

Sunset:

18:00

Day Length:

11 h. 35 min.

San Sebastian in February

Minimum:

81.2°F

Average:

82.6°F

Maximum:

83.8°F

Sea water temperature in San Sebastian today

As of now, in San Sebastian, the water temperature is 81.7°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 0.4°F higher 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 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 falls within the range of the average temperature recorded for this date, suggesting a consistent weather trend. The maximum temperature recorded for this date was 82.6°F on 2025, while the historical minimum was 79.6°F on 2016.

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 81.6°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in San Sebastian

Date	Current Year actual* / forecast**	last year	10 years average
Feb 2	81.6°F	82.1°F	81.2°F
Feb 3	81.8°F	81.9°F	81.2°F
Feb 4	81.7°F	82.0°F	81.2°F
Feb 5	81.6°F	81.3°F	81.2°F
Feb 6	80.9°F	81.4°F	81.1°F
Feb 7	81.9°F	81.0°F	81.2°F
Feb 8	82.5°F	81.3°F	81.2°F
Feb 9	81.4°F	81.5°F	81.1°F
Feb 10	80.7°F	81.4°F	80.9°F
Feb 11	80.7°F	81.7°F	80.9°F
Feb 12	81.2°F	81.7°F	80.9°F
Feb 13	81.5°F	82.0°F	81.0°F
Feb 14	81.6°F	82.2°F	81.2°F
Feb 15	81.6°F	82.2°F	81.2°F
Feb 16	81.7°F	82.6°F	81.3°F
Feb 17	81.6°F	82.5°F	81.2°F
Feb 18	81.6°F	82.7°F	81.2°F
Feb 19	81.6°F	82.8°F	81.2°F
Feb 20	81.6°F	82.5°F	81.2°F
Feb 21	81.6°F	82.4°F	81.1°F
Feb 22	81.5°F	82.2°F	81.1°F
Feb 23	81.5°F	82.1°F	81.1°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 San Sebastian by month

In San Sebastian, the water temperature is comfortable for swimming all year round.

The warmest water in San Sebastian was recorded on July 20, 2024, reaching a 89.5°F. While the coldest temperature occurred on February 27, 2023, dipping to 77.8°F. The average readings by season are 82.1°F in Winter, 84.4°F in Spring, 86.5°F in Summer, and 85.3°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Santo Domingo	81.4°F	3mi
San Juan	81.1°F	10mi
Santa Maria	82.0°F	19mi
Burgos	82.1°F	22mi
Santiago	82.1°F	23mi
Santa Maria	81.4°F	47mi
Burgos	81.2°F	64mi
San Juan	81.6°F	66mi
Pamplona	78.9°F	87mi

* current water temperature in this city

** straight line distance from San Sebastian