All data are in degrees Fahrenheit

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Water temperature in Matsuyama

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

78.2

°F

September 16, 03:21

Trend:

decreasing

Yesterday:

78.2°F

Tomorrow:

77.8°F

Sunrise:

05:52

Sunset:

18:15

Day Length:

12 h. 23 min.

Matsuyama in September

Minimum:

55.7°F

Average:

57.5°F

Maximum:

58.9°F

Sea water temperature in Matsuyama today

As of now, in Matsuyama, the water temperature is 78.2°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 1.2°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 slightly lower than the average registered over the last two weeks, indicating a slight cooling trend. It also aligns closely with the historical average temperature for this date, indicating a typical climate pattern. The maximum temperature recorded for this date was 80.4°F on 2024, while the historical minimum was 74.9°F on 2015.

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 shows a gradual cooling trend. The average temperature is expected to be 77.6°F, the minimum temperature may reach 77.2°F, and the maximum might stay at 77.9°F.

Daily water temperature in Matsuyama

Date Current Year

actual* / forecast**

last year 10 years average
Sep 2 79.5°F 77.1°F 77.6°F
Sep 3 79.6°F 78.6°F 77.6°F
Sep 4 81.0°F 78.3°F 77.5°F
Sep 5 80.2°F 77.8°F 77.3°F
Sep 6 78.8°F 78.2°F 77.1°F
Sep 7 79.0°F 77.0°F 76.9°F
Sep 8 79.0°F 77.9°F 76.9°F
Sep 9 78.7°F 77.9°F 76.9°F
Sep 10 78.1°F 78.4°F 76.8°F
Sep 11 77.8°F 78.6°F 77.0°F
Sep 12 77.3°F 80.4°F 77.1°F
Sep 13 77.5°F 80.7°F 77.2°F
Sep 14 78.3°F 80.9°F 77.3°F
Sep 15 78.2°F 80.3°F 77.0°F
Sep 16 78.2°F 80.4°F 76.9°F
Sep 17 77.8°F 79.3°F 76.6°F
Sep 18 77.9°F 80.2°F 76.7°F
Sep 19 77.7°F 80.0°F 76.5°F
Sep 20 77.6°F 79.6°F 76.4°F
Sep 21 77.6°F 80.1°F 76.4°F
Sep 22 77.5°F 79.7°F 76.3°F
Sep 23 77.2°F 78.3°F 76.0°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 Matsuyama by month

In Matsuyama, the months July through October offer comfortable swimming conditions, which amounts to 106 swimming days.
The warmest water in Matsuyama was recorded on August 19, 2024, reaching a 81.8°F. While the coldest temperature occurred on March 5, 2022, dipping to 50.0°F. The average readings by season are 57.7°F in Winter, 56.9°F in Spring, 73.1°F in Summer, and 73.2°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Saijō 82.9°F 25mi
Niihama 84.3°F 32mi
Iwakuni 81.3°F 38mi
Hiroshima 81.5°F 43mi
Fukuyama 83.9°F 56mi

* current water temperature in this city

** straight line distance from Matsuyama