All data are in degrees Fahrenheit

en

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

86.6

°F

July 25, 08:33

Trend:

stable

Yesterday:

86.8°F

Tomorrow:

87.2°F

Sunrise:

05:13

Sunset:

19:14

Day Length:

14 h. 1 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 86.6°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 5.3°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 rise 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 84.4°F on 2018, while the historical minimum was 77.9°F on 2019.

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. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 88.1°F, with minimum temperature starting at 87.2°F, while the maximum might reach 88.8°F.

Daily water temperature in Saijō

Date Current Year

actual* / forecast**

last year 10 years average
Jul 11 78.6°F 82.1°F 78.3°F
Jul 12 78.1°F 81.7°F 78.4°F
Jul 13 78.0°F 81.6°F 78.6°F
Jul 14 80.6°F 81.7°F 79.2°F
Jul 15 80.8°F 80.7°F 79.3°F
Jul 16 81.1°F 78.1°F 79.5°F
Jul 17 83.1°F 79.4°F 80.0°F
Jul 18 82.2°F 79.4°F 80.0°F
Jul 19 83.1°F 79.0°F 80.2°F
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 81.5°F
Jul 25 86.6°F 82.9°F 81.3°F
Jul 26 87.2°F 84.3°F 81.9°F
Jul 27 87.5°F 84.0°F 82.2°F
Jul 28 88.0°F 83.3°F 82.7°F
Jul 29 88.5°F 82.9°F 83.2°F
Jul 30 88.4°F 84.3°F 83.1°F
Jul 31 88.4°F 84.0°F 83.1°F
Aug 1 88.8°F 83.6°F 83.5°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 86.5°F 8mi
Matsuyama 80.2°F 25mi
Fukuyama 82.9°F 41mi
Marugame 82.8°F 43mi
Hiroshima 85.2°F 54mi
Kurashiki 83.8°F 57mi
Takamatsu 80.1°F 57mi
Iwakuni 83.2°F 58mi
Okayama 84.5°F 66mi

* current water temperature in this city

** straight line distance from Saijō