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 19.66°C. Swimming in water of this temperature is seen as relatively warm and enjoyable for some individuals, although many might find it slightly too cool.

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.

67.4

°F

November 20, 04:43

Trend:

decreasing

Yesterday:

67.5°F

Tomorrow:

67.0°F

Sunrise:

06:44

Sunset:

17:02

Day Length:

10 h. 18 min.

Saijō in November

Minimum:

54.7°F

Average:

56.4°F

Maximum:

57.7°F

Sea water temperature in Saijō today

As of now, in Saijō, the water temperature is 67.4°F. Swimming in water of this temperature is seen as relatively warm and enjoyable for some individuals, although many might find it slightly too cool. Today's reading is 0.3°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 also falls within the range of the average temperature recorded for this date, suggesting a consistent weather trend. The maximum temperature recorded for this date was 68.8°F on 2024, while the historical minimum was 66.2°F on 2021.

latest data

last year

Over the past two weeks, the water temperature has closely aligned with historical averages for those days. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 66.5°F, the minimum temperature may reach 65.9°F, and the maximum might stay at 67.0°F.

Daily water temperature in Saijō

Date	Current Year actual* / forecast**	last year	10 years average
Nov 6	70.4°F	71.9°F	69.9°F
Nov 7	69.5°F	71.7°F	69.8°F
Nov 8	69.3°F	71.5°F	69.6°F
Nov 9	69.2°F	71.1°F	69.2°F
Nov 10	69.3°F	71.0°F	69.1°F
Nov 11	69.0°F	70.9°F	69.0°F
Nov 12	68.1°F	70.4°F	68.5°F
Nov 13	68.1°F	70.2°F	68.3°F
Nov 14	68.4°F	70.1°F	68.3°F
Nov 15	67.6°F	69.7°F	68.2°F
Nov 16	67.5°F	69.4°F	67.9°F
Nov 17	67.9°F	69.1°F	67.6°F
Nov 18	67.6°F	69.3°F	67.3°F
Nov 19	67.5°F	69.1°F	67.2°F
Nov 20	67.4°F	68.8°F	67.1°F
Nov 21	67.0°F	67.1°F	66.7°F
Nov 22	66.7°F	67.5°F	66.5°F
Nov 23	66.7°F	67.8°F	66.4°F
Nov 24	66.4°F	67.4°F	66.1°F
Nov 25	66.3°F	67.2°F	66.0°F
Nov 26	66.1°F	66.6°F	65.9°F
Nov 27	65.9°F	66.5°F	65.6°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 122 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 74.6°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Niihama	67.1°F	8mi
Matsuyama	68.6°F	25mi
Fukuyama	66.5°F	41mi
Marugame	66.3°F	43mi
Hiroshima	67.1°F	54mi
Kurashiki	66.1°F	57mi
Takamatsu	66.7°F	57mi
Iwakuni	67.5°F	58mi
Okayama	66.0°F	66mi

* current water temperature in this city

** straight line distance from Saijō