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

86.0

°F

August 3, 13:11

Trend:

stable

Yesterday:

85.5°F

Tomorrow:

85.9°F

Sunrise:

05:20

Sunset:

19:07

Day Length:

13 h. 47 min.

Saijō in August

Minimum:

55.6°F

Average:

57.1°F

Maximum:

58.2°F

Sea water temperature in Saijō today

As of now, in Saijō, the water temperature is 86.0°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 2.0°F higher 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

The water temperature today is above average for the last two weeks, showing a small increase in temperature. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 87.5°F on 2024, while the historical minimum was 82.0°F on 2022.

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. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 85.8°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Saijō

Date Current Year

actual* / forecast**

last year 10 years average
Jul 20 85.0°F 79.9°F 80.9°F
Jul 21 84.4°F 80.7°F 80.7°F
Jul 22 83.9°F 82.9°F 81.5°F
Jul 23 85.6°F 83.9°F 81.3°F
Jul 24 86.8°F 84.4°F 82.0°F
Jul 25 86.8°F 82.9°F 81.8°F
Jul 26 86.7°F 84.3°F 82.3°F
Jul 27 86.7°F 84.0°F 82.6°F
Jul 28 87.6°F 83.3°F 83.1°F
Jul 29 86.7°F 82.9°F 83.5°F
Jul 30 85.4°F 84.3°F 83.3°F
Jul 31 85.1°F 84.0°F 83.3°F
Aug 1 83.9°F 83.6°F 83.5°F
Aug 2 85.5°F 85.0°F 83.5°F
Aug 3 86.0°F 86.7°F 84.0°F
Aug 4 85.9°F 83.1°F 83.9°F
Aug 5 85.9°F 83.9°F 83.9°F
Aug 6 86.1°F 86.7°F 84.1°F
Aug 7 86.1°F 87.2°F 84.1°F
Aug 8 85.8°F 85.6°F 83.9°F
Aug 9 85.8°F 85.6°F 83.8°F
Aug 10 85.0°F 84.7°F 83.0°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 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 57.0°F in Winter, 58.8°F in Spring, 78.2°F in Summer, and 74.9°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Niihama 88.1°F 8mi
Matsuyama 79.1°F 25mi
Fukuyama 83.9°F 41mi
Marugame 82.7°F 43mi
Hiroshima 83.5°F 54mi
Kurashiki 83.8°F 57mi
Takamatsu 81.8°F 57mi
Iwakuni 83.7°F 58mi
Okayama 84.3°F 66mi

* current water temperature in this city

** straight line distance from Saijō