What is the current water temperature in Ōtsu?

Q: What is the current water temperature in Ōtsu?

As of now, in Ōtsu, the water temperature is 30.08°C. Swimming in water of this temperature is considered highly warm and would be enjoyable for everyone. At this temperature, you can comfortably engage in water-based activities for extended periods without experiencing discomfort.

Japan > Ōtsu

Water temperature in Ōtsu

Detailed information about the current water temperature in Ōtsu. 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.

86.1

°F

July 14, 16:38

Trend:

increasing

Yesterday:

86.1°F

Tomorrow:

86.3°F

Sunrise:

04:53

Sunset:

19:12

Day Length:

14 h. 19 min.

Ōtsu in July

Minimum:

52.2°F

Average:

54.0°F

Maximum:

55.5°F

Sea water temperature in Ōtsu today

As of now, in Ōtsu, the water temperature is 86.1°F. Swimming in water of this temperature is considered highly warm and would be enjoyable for everyone. At this temperature, you can comfortably engage in water-based activities for extended periods without experiencing discomfort. Today's reading is 8.8°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 rise 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 80.0°F on 2022, while the historical minimum was 74.4°F on 2015.

latest data

last year

Observations from the last two weeks indicate that the water temperature was in proximity to the highest 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 86.7°F, with minimum temperature starting at 86.3°F, while the maximum might reach 87.8°F.

Daily water temperature in Ōtsu

Date	Current Year actual* / forecast**	last year	10 years average
Jun 30	81.2°F	74.2°F	74.6°F
Jul 1	82.1°F	73.9°F	74.7°F
Jul 2	81.2°F	73.6°F	75.3°F
Jul 3	82.6°F	73.4°F	75.0°F
Jul 4	82.6°F	75.6°F	75.4°F
Jul 5	81.3°F	77.9°F	75.5°F
Jul 6	81.2°F	78.2°F	75.4°F
Jul 7	83.1°F	78.7°F	76.0°F
Jul 8	85.5°F	82.3°F	76.7°F
Jul 9	85.6°F	81.4°F	76.6°F
Jul 10	85.0°F	80.9°F	76.7°F
Jul 11	86.3°F	80.4°F	77.5°F
Jul 12	84.8°F	80.1°F	77.7°F
Jul 13	86.1°F	79.8°F	77.3°F
Jul 14	86.1°F	79.3°F	77.3°F
Jul 15	86.3°F	78.9°F	77.5°F
Jul 16	86.5°F	78.5°F	77.7°F
Jul 17	86.4°F	78.1°F	77.6°F
Jul 18	86.4°F	77.8°F	77.6°F
Jul 19	86.7°F	77.6°F	77.9°F
Jul 20	87.0°F	79.0°F	78.2°F
Jul 21	87.8°F	81.7°F	79.0°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 Ōtsu by month

In Ōtsu, the months July through September offer comfortable swimming conditions, which amounts to 104 swimming days.

The warmest water in Ōtsu was recorded on August 7, 2024, reaching a 88.5°F. While the coldest temperature occurred on January 30, 2025, dipping to 43.9°F. The average readings by season are 53.7°F in Winter, 57.0°F in Spring, 76.7°F in Summer, and 70.9°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Kyoto	86.1°F	7mi
Osaka	84.1°F	30mi
Amagasaki	84.1°F	32mi
Nishinomiya-hama	84.2°F	36mi
Sakai	84.2°F	37mi
Tsu	82.7°F	41mi
Maizuru	81.4°F	43mi
Kobe	83.4°F	44mi

* current water temperature in this city

** straight line distance from Ōtsu