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 16.3°C. Swimming in water of this temperature is generally concidered to be cool, and most people won't really enjoy it.

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.

61.3

°F

November 19, 21:40

Trend:

stable

Yesterday:

61.1°F

Tomorrow:

61.3°F

Sunrise:

06:34

Sunset:

16:49

Day Length:

10 h. 15 min.

Ōtsu in November

Minimum:

51.4°F

Average:

53.5°F

Maximum:

55.4°F

Sea water temperature in Ōtsu today

As of now, in Ōtsu, the water temperature is 61.3°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 1.6°F lower 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 stay about the same.

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 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 63.9°F on 2015, while the historical minimum was 59.0°F on 2022.

latest data

last year

Over the past two weeks, the water temperature has closely aligned with historical averages for those days. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 60.7°F, the minimum temperature may reach 60.1°F, and the maximum might stay at 61.3°F.

Daily water temperature in Ōtsu

Date	Current Year actual* / forecast**	last year	10 years average
Nov 5	65.9°F	65.9°F	65.2°F
Nov 6	64.9°F	67.1°F	64.9°F
Nov 7	65.0°F	64.5°F	64.7°F
Nov 8	64.5°F	64.5°F	64.3°F
Nov 9	64.3°F	64.4°F	64.2°F
Nov 10	64.2°F	64.5°F	64.3°F
Nov 11	64.2°F	64.3°F	64.1°F
Nov 12	63.2°F	64.0°F	63.8°F
Nov 13	63.2°F	63.9°F	63.7°F
Nov 14	63.1°F	63.8°F	63.6°F
Nov 15	62.8°F	62.0°F	63.4°F
Nov 16	59.9°F	62.2°F	63.1°F
Nov 17	60.7°F	62.5°F	63.1°F
Nov 18	61.1°F	62.6°F	63.1°F
Nov 19	61.3°F	62.7°F	62.9°F
Nov 20	61.3°F	62.8°F	62.9°F
Nov 21	61.3°F	62.7°F	62.9°F
Nov 22	60.7°F	58.8°F	62.3°F
Nov 23	60.6°F	60.2°F	62.2°F
Nov 24	60.5°F	60.4°F	62.1°F
Nov 25	60.3°F	60.6°F	61.9°F
Nov 26	60.1°F	60.2°F	61.7°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 105 swimming days.

The warmest water in Ōtsu was recorded on August 3, 2025, reaching a 89.2°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, 76.9°F in Summer, and 71.1°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Kyoto	61.3°F	7mi
Osaka	66.1°F	30mi
Amagasaki	66.0°F	32mi
Nishinomiya-hama	66.1°F	36mi
Sakai	66.3°F	37mi
Tsu	63.7°F	41mi
Maizuru	66.4°F	43mi
Kobe	66.8°F	44mi

* current water temperature in this city

** straight line distance from Ōtsu