What is the current water temperature in Istria?

Q: What is the current water temperature in Istria?

As of now, in Istria, the water temperature is 3.97°C. Swimming in water of this temperature is considered as extremely cold, and there's a substantial risk of hypothermia if exposed for more than a brief duration.

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Water temperature in Istria

Detailed information about the current water temperature in Istria. 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.

39.1

°F

March 3, 04:15

Trend:

stable

Yesterday:

39.0°F

Tomorrow:

38.9°F

Sunrise:

06:40

Sunset:

17:55

Day Length:

11 h. 15 min.

Istria in March

Minimum:

39.0°F

Average:

43.0°F

Maximum:

46.6°F

Sea water temperature in Istria today

As of now, in Istria, the water temperature is 39.1°F. Swimming in water of this temperature is considered as extremely cold, and there's a substantial risk of hypothermia if exposed for more than a brief duration. Today's reading is 3.2°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 notably higher than the average recorded over the past two weeks, indicating a significant warming trend. It is also close to the historical minimum temperature for this date. The maximum temperature recorded for this date was 46.7°F on 2020, while the historical minimum was 38.5°F on 2025.

latest data

last year

Observations from the last two weeks indicate that the water temperature was in proximity to the lowest values recorded on those days in the past. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 40.0°F, with minimum temperature starting at 38.9°F, while the maximum might reach 40.8°F.

Daily water temperature in Istria

Date	Current Year actual* / forecast**	last year	10 years average
Feb 17	35.6°F	38.2°F	40.1°F
Feb 18	35.8°F	38.3°F	40.5°F
Feb 19	35.8°F	38.4°F	40.4°F
Feb 20	36.5°F	37.7°F	40.7°F
Feb 21	36.9°F	37.9°F	40.6°F
Feb 22	37.0°F	36.6°F	40.5°F
Feb 23	36.6°F	36.2°F	40.7°F
Feb 24	37.8°F	36.4°F	41.0°F
Feb 25	37.6°F	36.5°F	41.2°F
Feb 26	39.7°F	37.5°F	41.5°F
Feb 27	40.5°F	37.1°F	41.8°F
Feb 28	40.5°F	37.6°F	42.0°F
Mar 1	39.7°F	37.8°F	41.8°F
Mar 2	39.0°F	38.1°F	42.2°F
Mar 3	39.1°F	38.5°F	42.3°F
Mar 4	38.9°F	38.0°F	42.1°F
Mar 5	39.6°F	39.7°F	42.7°F
Mar 6	40.1°F	42.4°F	43.3°F
Mar 7	40.3°F	43.7°F	43.5°F
Mar 8	40.4°F	42.0°F	43.6°F
Mar 9	40.4°F	42.1°F	43.5°F
Mar 10	40.8°F	42.6°F	44.0°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 Istria by month

In Istria, the months July through August offer comfortable swimming conditions, which amounts to 83 swimming days.

The warmest water in Istria was recorded on July 18, 2024, reaching a 84.0°F. While the coldest temperature occurred on February 14, 2026, dipping to 34.2°F. The average readings by season are 43.3°F in Winter, 53.5°F in Spring, 76.1°F in Summer, and 62.3°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Constanţa	39.2°F	27mi
Eforie Nord	39.7°F	35mi
Mangalia	39.8°F	52mi

* current water temperature in this city

** straight line distance from Istria