All data are in degrees Fahrenheit

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Water temperature in Yonago

Detailed information about the current water temperature in Yonago. 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 Yonago now

85.7

°F

August 28, 13:51

Trend:

decreasing

Yesterday:

85.7°F

Tomorrow:

85.5°F

Sunrise:

05:35

Sunset:

18:40

Day Length:

13 h. 5 min.

Yonago in September

Minimum:

56.5°F

Average:

58.1°F

Maximum:

59.4°F

Sea water temperature in Yonago today

As of now, in Yonago, the water temperature is 85.7°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 3.2°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

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 86.1°F on 2025, while the historical minimum was 79.2°F on 2019.

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 85.0°F, the minimum temperature may reach 84.4°F, and the maximum might stay at 85.5°F.

Daily water temperature in Yonago

Date Current Year

actual* / forecast**

last year 10 years average
Aug 14 82.6°F 83.9°F 83.1°F
Aug 15 82.8°F 84.6°F 83.2°F
Aug 16 82.8°F 85.6°F 83.3°F
Aug 17 82.6°F 84.9°F 82.8°F
Aug 18 82.7°F 85.5°F 82.7°F
Aug 19 81.8°F 85.2°F 82.5°F
Aug 20 82.3°F 86.0°F 82.8°F
Aug 21 83.1°F 85.8°F 82.7°F
Aug 22 83.9°F 85.9°F 82.8°F
Aug 23 83.9°F 85.5°F 82.9°F
Aug 24 85.7°F 86.1°F 83.1°F
Aug 25 85.4°F 86.4°F 83.0°F
Aug 26 85.3°F 86.5°F 83.1°F
Aug 27 85.7°F 86.5°F 82.6°F
Aug 28 85.7°F 86.1°F 82.5°F
Aug 29 85.5°F 85.5°F 82.3°F
Aug 30 85.4°F 86.0°F 82.3°F
Aug 31 85.4°F 86.6°F 82.3°F
Sep 1 85.2°F 86.6°F 82.0°F
Sep 2 84.9°F 86.9°F 81.7°F
Sep 3 84.6°F 86.2°F 81.4°F
Sep 4 84.4°F 85.5°F 81.2°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 Yonago by month

In Yonago, the months July through September offer comfortable swimming conditions, which amounts to 106 swimming days.
The warmest water in Yonago was recorded on August 8, 2026, reaching a 87.5°F. While the coldest temperature occurred on March 1, 2025, dipping to 50.3°F. The average readings by season are 57.8°F in Winter, 58.6°F in Spring, 77.7°F in Summer, and 72.9°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Kurashiki 85.6°F 64mi
Okayama 86.3°F 64mi
Fukuyama 88.2°F 66mi

* current water temperature in this city

** straight line distance from Yonago