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

84.9

°F

August 30, 04:12

Trend:

stable

Yesterday:

84.9°F

Tomorrow:

84.8°F

Sunrise:

05:39

Sunset:

18:37

Day Length:

12 h. 58 min.

Saijō in September

Minimum:

55.3°F

Average:

56.6°F

Maximum:

58.1°F

Sea water temperature in Saijō today

As of now, in Saijō, the water temperature is 84.9°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 1.9°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 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 is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 85.2°F on 2020, while the historical minimum was 78.8°F on 2015.

Over the last two weeks, the water temperature has stayed slightly above than historical averages for those days. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 84.1°F, the minimum temperature may reach 83.6°F, and the maximum might stay at 84.8°F.

Daily water temperature in Saijō

Date Current Year

actual* / forecast**

last year 10 years average
Aug 16 85.9°F 85.6°F 83.7°F
Aug 17 85.6°F 85.3°F 83.4°F
Aug 18 84.8°F 85.6°F 83.1°F
Aug 19 86.5°F 86.0°F 83.1°F
Aug 20 85.4°F 85.6°F 83.1°F
Aug 21 84.6°F 84.3°F 83.1°F
Aug 22 85.3°F 85.7°F 83.4°F
Aug 23 83.9°F 85.1°F 83.2°F
Aug 24 84.1°F 85.9°F 83.3°F
Aug 25 84.8°F 85.7°F 83.3°F
Aug 26 84.4°F 83.8°F 83.3°F
Aug 27 84.8°F 84.6°F 83.2°F
Aug 28 83.9°F 84.2°F 83.1°F
Aug 29 84.9°F 84.0°F 83.0°F
Aug 30 84.9°F 83.8°F 83.0°F
Aug 31 84.8°F 83.6°F 82.9°F
Sep 1 84.6°F 83.1°F 82.7°F
Sep 2 84.2°F 82.3°F 82.2°F
Sep 3 84.0°F 82.4°F 82.1°F
Sep 4 83.7°F 81.8°F 81.8°F
Sep 5 83.8°F 82.3°F 81.8°F
Sep 6 83.6°F 82.0°F 81.6°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 86.1°F 8mi
Matsuyama 77.9°F 25mi
Fukuyama 86.0°F 41mi
Marugame 84.6°F 43mi
Hiroshima 82.7°F 54mi
Kurashiki 85.8°F 57mi
Takamatsu 84.2°F 57mi
Iwakuni 82.6°F 58mi
Okayama 85.4°F 66mi

* current water temperature in this city

** straight line distance from Saijō