All data are in degrees Fahrenheit

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Water temperature in Takamatsu

Detailed information about the current water temperature in Takamatsu. 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 Takamatsu now

80.2

°F

September 17, 12:36

Trend:

stable

Yesterday:

80.1°F

Tomorrow:

80.0°F

Sunrise:

05:48

Sunset:

18:09

Day Length:

12 h. 21 min.

Takamatsu in September

Minimum:

50.3°F

Average:

53.6°F

Maximum:

58.8°F

Sea water temperature in Takamatsu today

As of now, in Takamatsu, the water temperature is 80.2°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 1.0°F lower 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 84.7°F on 2025, while the historical minimum was 78.8°F on 2021.

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 histoorical minimum and others when it was close to the historical maximum. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 79.3°F, the minimum temperature may reach 78.5°F, and the maximum might stay at 80.0°F.

Daily water temperature in Takamatsu

Date Current Year

actual* / forecast**

last year 10 years average
Sep 3 84.8°F 86.6°F 82.2°F
Sep 4 84.5°F 86.1°F 82.1°F
Sep 5 83.9°F 85.6°F 81.8°F
Sep 6 83.4°F 85.0°F 81.6°F
Sep 7 82.8°F 85.0°F 81.8°F
Sep 8 82.6°F 84.7°F 81.7°F
Sep 9 82.0°F 84.2°F 81.6°F
Sep 10 81.8°F 84.6°F 81.6°F
Sep 11 81.1°F 84.2°F 81.5°F
Sep 12 80.6°F 84.1°F 81.4°F
Sep 13 80.5°F 83.8°F 81.3°F
Sep 14 80.7°F 83.8°F 81.3°F
Sep 15 80.0°F 83.8°F 81.0°F
Sep 16 80.1°F 84.1°F 81.1°F
Sep 17 80.2°F 84.7°F 81.2°F
Sep 18 80.0°F 85.2°F 81.0°F
Sep 19 79.6°F 84.4°F 80.6°F
Sep 20 79.6°F 84.1°F 80.6°F
Sep 21 79.3°F 83.5°F 80.3°F
Sep 22 79.1°F 83.2°F 80.2°F
Sep 23 78.8°F 82.8°F 79.9°F
Sep 24 78.5°F 82.2°F 79.6°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 Takamatsu by month

In Takamatsu, the months July through October offer comfortable swimming conditions, which amounts to 114 swimming days.
The warmest water in Takamatsu was recorded on August 31, 2025, reaching a 86.7°F. While the coldest temperature occurred on February 16, 2018, dipping to 44.7°F. The average readings by season are 53.9°F in Winter, 56.7°F in Spring, 75.6°F in Summer, and 74.7°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Marugame 80.8°F 16mi
Okayama 80.7°F 23mi
Kurashiki 81.4°F 24mi
Tokushima 80.3°F 35mi
Fukuyama 80.9°F 40mi
Niihama 80.8°F 50mi
Himeji 81.1°F 50mi
Saijō 80.5°F 57mi

* current water temperature in this city

** straight line distance from Takamatsu