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

74.0

°F

October 30, 21:48

Trend:

decreasing

Yesterday:

74.2°F

Tomorrow:

73.7°F

Sunrise:

06:24

Sunset:

17:17

Day Length:

10 h. 53 min.

Saijō in November

Minimum:

54.7°F

Average:

56.5°F

Maximum:

57.7°F

Sea water temperature in Saijō today

As of now, in Saijō, the water temperature is 74.0°F. It's safe to say that the water is comfortably warm for various water-related activities. 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 fall a bit.

Recent sea temperature and forecast

Today's water temperature is considerably lower than the average registered over the last two weeks, indicating a slight cooling trend. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 73.2°F on 2024, while the historical minimum was 70.3°F on 2020.

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 72.9°F, the minimum temperature may reach 72.3°F, and the maximum might stay at 73.7°F.

Daily water temperature in Saijō

Date Current Year

actual* / forecast**

last year 10 years average
Oct 16 76.8°F 78.4°F 75.9°F
Oct 17 76.2°F 78.2°F 75.6°F
Oct 18 76.3°F 77.9°F 75.3°F
Oct 19 75.6°F 77.2°F 75.1°F
Oct 20 76.0°F 76.6°F 75.0°F
Oct 21 76.8°F 76.3°F 74.8°F
Oct 22 76.3°F 75.8°F 74.3°F
Oct 23 75.8°F 75.4°F 74.0°F
Oct 24 75.8°F 75.9°F 73.9°F
Oct 25 76.1°F 74.9°F 73.5°F
Oct 26 75.5°F 74.4°F 73.3°F
Oct 27 75.2°F 74.0°F 72.8°F
Oct 28 74.6°F 73.7°F 72.3°F
Oct 29 74.2°F 73.2°F 72.0°F
Oct 30 74.0°F 72.8°F 71.8°F
Oct 31 73.7°F 72.4°F 71.4°F
Nov 1 73.4°F 72.1°F 71.1°F
Nov 2 73.0°F 71.8°F 70.7°F
Nov 3 72.9°F 71.2°F 70.6°F
Nov 4 72.8°F 70.9°F 70.5°F
Nov 5 72.5°F 70.6°F 70.2°F
Nov 6 72.3°F 70.4°F 70.0°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 122 swimming days.
The warmest water in Saijō was recorded on August 5, 2026, reaching a 88.0°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 74.4°F 8mi
Matsuyama 74.5°F 25mi
Fukuyama 73.5°F 41mi
Marugame 74.1°F 43mi
Hiroshima 71.8°F 54mi
Kurashiki 73.9°F 57mi
Takamatsu 74.4°F 57mi
Iwakuni 73.5°F 58mi
Okayama 73.8°F 66mi

* current water temperature in this city

** straight line distance from Saijō