What is the current water temperature in Saijō?

Q: What is the current water temperature in Saijō?

As of now, in Saijō, the water temperature is 29.65°C. 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.

Japan > Saijō

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.

85.4

°F

July 31, 10:20

Trend:

increasing

Yesterday:

85.4°F

Tomorrow:

85.8°F

Sunrise:

05:17

Sunset:

19:09

Day Length:

13 h. 52 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 85.4°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 2.3°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 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 85.4°F on 2024, while the historical minimum was 82.1°F on 2016.

latest data

last year

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 86.1°F, with minimum temperature starting at 85.8°F, while the maximum might reach 86.4°F.

Daily water temperature in Saijō

Date	Current Year actual* / forecast**	last year	10 years average
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	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	83.1°F
Jul 31	85.4°F	84.0°F	83.1°F
Aug 1	85.8°F	83.6°F	83.5°F
Aug 2	85.8°F	85.0°F	83.5°F
Aug 3	86.3°F	86.7°F	84.0°F
Aug 4	86.2°F	83.1°F	83.9°F
Aug 5	86.2°F	83.9°F	83.9°F
Aug 6	86.4°F	86.7°F	84.1°F
Aug 7	86.4°F	87.2°F	84.1°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	87.2°F	8mi
Matsuyama	81.4°F	25mi
Fukuyama	82.3°F	41mi
Marugame	84.2°F	43mi
Hiroshima	85.2°F	54mi
Kurashiki	82.2°F	57mi
Takamatsu	82.1°F	57mi
Iwakuni	84.0°F	58mi
Okayama	83.4°F	66mi

* current water temperature in this city

** straight line distance from Saijō