All data are in degrees Fahrenheit

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Water temperature in Tsu

Detailed information about the current water temperature in Tsu. 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.
Sea temperature in Tsu now

83.7

°F

September 1, 00:29

Trend:

decreasing

Yesterday:

84.1°F

Tomorrow:

83.2°F

Sunrise:

05:26

Sunset:

18:22

Day Length:

12 h. 56 min.

Tsu in September

Minimum:

49.7°F

Average:

53.0°F

Maximum:

60.0°F

Sea water temperature in Tsu today

As of now, in Tsu, the water temperature is 83.7°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 0.9°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 fall a bit.

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 85.6°F on 2025, while the historical minimum was 80.4°F on 2016.

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 histoorical minimum and others when it was close to the historical maximum. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 82.8°F, the minimum temperature may reach 82.3°F, and the maximum might stay at 83.3°F.

Daily water temperature in Tsu

Date Current Year

actual* / forecast**

last year 10 years average
Aug 18 81.8°F 83.7°F 83.2°F
Aug 19 81.6°F 84.7°F 83.2°F
Aug 20 82.4°F 85.5°F 83.6°F
Aug 21 82.5°F 84.7°F 83.4°F
Aug 22 83.3°F 85.1°F 83.6°F
Aug 23 83.8°F 84.3°F 83.6°F
Aug 24 83.2°F 84.2°F 83.5°F
Aug 25 85.2°F 83.9°F 83.6°F
Aug 26 84.8°F 85.0°F 83.9°F
Aug 27 84.7°F 85.1°F 83.6°F
Aug 28 84.5°F 84.5°F 83.3°F
Aug 29 83.6°F 84.5°F 83.1°F
Aug 30 82.9°F 85.6°F 83.2°F
Aug 31 84.1°F 85.0°F 83.2°F
Sep 1 83.7°F 85.6°F 82.7°F
Sep 2 83.2°F 85.0°F 82.3°F
Sep 3 83.3°F 85.3°F 82.4°F
Sep 4 83.0°F 84.7°F 82.0°F
Sep 5 82.7°F 84.0°F 81.8°F
Sep 6 82.9°F 82.7°F 81.9°F
Sep 7 82.5°F 81.1°F 81.5°F
Sep 8 82.3°F 82.6°F 81.4°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 Tsu by month

In Tsu, the months July through September offer comfortable swimming conditions, which amounts to 117 swimming days.
The warmest water in Tsu was recorded on September 18, 2024, reaching a 86.9°F. While the coldest temperature occurred on February 13, 2026, dipping to 45.4°F. The average readings by season are 53.8°F in Winter, 58.8°F in Spring, 78.7°F in Summer, and 72.9°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Hekinan 84.5°F 28mi
Nagoya 85.3°F 38mi
Ōtsu 84.6°F 41mi
Kyoto 84.6°F 48mi

* current water temperature in this city

** straight line distance from Tsu