Water temperature in Matsuyama
78.1
°F
September 18, 11:38
Trend:
stableYesterday:
78.0°FTomorrow:
77.8°F
Sunrise:
Sunset:
Day Length:
12 h. 18 min.Matsuyama in September
Minimum:
56.4°FAverage:
57.8°FMaximum:
58.9°FSea water temperature in Matsuyama today
As of now, in Matsuyama, the water temperature is 78.1°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 0.7°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 80.9°F on 2025, while the historical minimum was 75.7°F on 2020.
Daily water temperature in Matsuyama
| Date |
Current Year
actual* / forecast** |
last year | 10 years average |
|---|---|---|---|
| Sep 4 | 79.5°F | 81.0°F | 77.9°F |
| Sep 5 | 78.9°F | 80.2°F | 77.7°F |
| Sep 6 | 78.6°F | 78.8°F | 77.5°F |
| Sep 7 | 78.1°F | 79.0°F | 77.3°F |
| Sep 8 | 78.1°F | 79.0°F | 77.3°F |
| Sep 9 | 77.8°F | 78.7°F | 77.2°F |
| Sep 10 | 77.9°F | 78.1°F | 77.2°F |
| Sep 11 | 77.5°F | 77.8°F | 77.3°F |
| Sep 12 | 77.5°F | 77.3°F | 77.4°F |
| Sep 13 | 78.1°F | 77.5°F | 77.5°F |
| Sep 14 | 78.5°F | 78.3°F | 77.6°F |
| Sep 15 | 78.2°F | 78.2°F | 77.4°F |
| Sep 16 | 78.4°F | 79.9°F | 77.5°F |
| Sep 17 | 78.0°F | 80.4°F | 77.3°F |
| Sep 18 | 78.1°F | 80.9°F | 77.3°F |
| Sep 19 | 77.8°F | 80.1°F | 77.0°F |
| Sep 20 | 77.6°F | 79.8°F | 76.9°F |
| Sep 21 | 77.5°F | 79.3°F | 76.8°F |
| Sep 22 | 77.4°F | 78.5°F | 76.7°F |
| Sep 23 | 77.1°F | 78.1°F | 76.4°F |
| Sep 24 | 76.8°F | 76.8°F | 76.1°F |
| Sep 25 | 76.6°F | 76.5°F | 75.8°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.
