All data are in degrees Fahrenheit

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Water temperature in Saijō

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

83.9

°F

August 5, 19:12

Trend:

stable

Yesterday:

83.1°F

Tomorrow:

83.9°F

Sunrise:

05:21

Sunset:

19:05

Day Length:

13 h. 44 min.

Saijō in August

Minimum:

55.6°F

Average:

56.9°F

Maximum:

58.2°F

Sea water temperature in Saijō today

As of now, in Saijō, the water temperature is 83.9°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 about the same as 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 closely matches the previous two weeks' average, indicating a stable 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 86.1°F on 2024, while the historical minimum was 82.1°F on 2015.

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 maximum recorded over the past years. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 83.5°F, the minimum temperature may reach 82.9°F, and the maximum might stay at 83.9°F.

Daily water temperature in Saijō

Date Current Year

actual* / forecast**

last year 10 years average
Jul 22 82.9°F 83.8°F 80.8°F
Jul 23 83.9°F 83.4°F 80.5°F
Jul 24 84.4°F 85.4°F 81.1°F
Jul 25 82.9°F 83.6°F 80.9°F
Jul 26 84.3°F 84.5°F 81.5°F
Jul 27 84.0°F 83.5°F 81.9°F
Jul 28 83.3°F 84.8°F 82.3°F
Jul 29 82.9°F 86.8°F 82.8°F
Jul 30 84.3°F 85.6°F 82.8°F
Jul 31 84.0°F 85.4°F 82.9°F
Aug 1 83.6°F 87.8°F 83.3°F
Aug 2 85.0°F 86.0°F 83.4°F
Aug 3 86.7°F 87.5°F 83.9°F
Aug 4 83.1°F 87.0°F 83.8°F
Aug 5 83.9°F 86.1°F 83.8°F
Aug 6 83.9°F 86.6°F 83.7°F
Aug 7 83.9°F 86.4°F 83.8°F
Aug 8 83.8°F 85.8°F 83.7°F
Aug 9 83.9°F 86.4°F 83.8°F
Aug 10 83.1°F 85.5°F 82.9°F
Aug 11 82.9°F 85.3°F 82.7°F
Aug 12 83.0°F 85.4°F 82.8°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 Saijō by month

In Saijō, the months July through October offer comfortable swimming conditions, which amounts to 121 swimming days.
The warmest water in Saijō was recorded on August 1, 2024, reaching a 87.8°F. While the coldest temperature occurred on March 9, 2025, dipping to 49.4°F. The average readings by season are 57.1°F in Winter, 58.8°F in Spring, 77.9°F in Summer, and 74.5°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Niihama 84.8°F 8mi
Matsuyama 79.6°F 25mi
Fukuyama 83.2°F 41mi
Marugame 84.2°F 43mi
Hiroshima 81.8°F 54mi
Kurashiki 84.4°F 57mi
Takamatsu 84.3°F 57mi
Iwakuni 83.2°F 58mi
Okayama 85.1°F 66mi

* current water temperature in this city

** straight line distance from Saijō