Water temperature in Niihama
73.5
°F
July 6, 14:00
Trend:
stableYesterday:
72.9°FTomorrow:
73.5°F
Sunrise:
Sunset:
Day Length:
14 h. 20 min.Niihama in July
Minimum:
54.0°FAverage:
56.0°FMaximum:
57.8°FSea water temperature in Niihama today
As of now, in Niihama, the water temperature is 73.5°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 5.2°F lower than the average recorded on this particular day in recent years. Since yesterday, there was a slight increase in temperature. This indicates a warming trend over the past day. According to the forecast, we expect the temperature to stay about the same.Recent sea temperature and forecast
Today's water temperature is notably higher than the average recorded over the past two weeks, indicating a significant warming trend. It is also close to the historical minimum temperature for this date. The maximum temperature recorded for this date was 83.3°F on 2025, while the historical minimum was 76.7°F on 2020.
Daily water temperature in Niihama
| Date |
Current Year
actual* / forecast** |
last year | 10 years average |
|---|---|---|---|
| Jun 22 | 72.2°F | 73.9°F | 73.1°F |
| Jun 23 | 72.6°F | 74.0°F | 73.3°F |
| Jun 24 | 72.3°F | 73.9°F | 73.7°F |
| Jun 25 | 71.9°F | 73.9°F | 73.7°F |
| Jun 26 | 73.0°F | 76.3°F | 74.2°F |
| Jun 27 | 72.2°F | 77.1°F | 74.3°F |
| Jun 28 | 73.2°F | 77.3°F | 74.6°F |
| Jun 29 | 71.2°F | 79.9°F | 75.2°F |
| Jun 30 | 71.8°F | 80.7°F | 75.8°F |
| Jul 1 | 70.8°F | 82.6°F | 76.2°F |
| Jul 2 | 71.4°F | 82.8°F | 76.6°F |
| Jul 3 | 71.0°F | 81.9°F | 76.8°F |
| Jul 4 | 71.5°F | 84.1°F | 77.4°F |
| Jul 5 | 72.9°F | 83.0°F | 78.1°F |
| Jul 6 | 73.5°F | 83.3°F | 78.7°F |
| Jul 7 | 73.5°F | 81.6°F | 78.7°F |
| Jul 8 | 73.9°F | 84.3°F | 79.1°F |
| Jul 9 | 73.6°F | 82.9°F | 78.8°F |
| Jul 10 | 73.8°F | 84.3°F | 79.0°F |
| Jul 11 | 74.0°F | 84.4°F | 79.2°F |
| Jul 12 | 74.0°F | 83.5°F | 79.2°F |
| Jul 13 | 74.1°F | 83.6°F | 79.3°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.
Popular neighboring cities and resorts
| City | Water temperature* | Distance** |
|---|---|---|
| Saijō |
73.9°F
|
8mi |
| Matsuyama |
71.3°F
|
32mi |
| Marugame |
74.1°F
|
35mi |
| Fukuyama |
74.4°F
|
36mi |
| Takamatsu |
73.4°F
|
50mi |
| Kurashiki |
74.2°F
|
50mi |
| Hiroshima |
74.0°F
|
58mi |
| Okayama |
75.2°F
|
60mi |
* current water temperature in this city
** straight line distance from Niihama