Water temperature in Niihama
85.3
°F
September 16, 23:57
Trend:
stableYesterday:
84.4°FTomorrow:
84.9°F
Sunrise:
Sunset:
Day Length:
12 h. 23 min.Niihama in September
Minimum:
52.9°FAverage:
55.6°FMaximum:
57.8°FSea water temperature in Niihama today
As of now, in Niihama, the water temperature is 85.3°F. Swimming in water of this temperature is considered highly warm and would be enjoyable for everyone. At this temperature, you can comfortably engage in water-based activities for extended periods without experiencing discomfort. Today's reading is 4.0°F higher 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 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 is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 84.8°F on 2024, while the historical minimum was 77.4°F on 2015.
Daily water temperature in Niihama
| Date |
Current Year
actual* / forecast** |
last year | 10 years average |
|---|---|---|---|
| Sep 2 | 88.0°F | 83.6°F | 83.3°F |
| Sep 3 | 87.5°F | 83.3°F | 83.1°F |
| Sep 4 | 87.0°F | 82.8°F | 82.9°F |
| Sep 5 | 86.0°F | 83.8°F | 82.7°F |
| Sep 6 | 85.3°F | 83.9°F | 82.5°F |
| Sep 7 | 85.2°F | 85.2°F | 82.5°F |
| Sep 8 | 85.2°F | 84.1°F | 82.1°F |
| Sep 9 | 85.2°F | 84.5°F | 82.1°F |
| Sep 10 | 85.7°F | 84.7°F | 82.3°F |
| Sep 11 | 85.2°F | 85.7°F | 82.5°F |
| Sep 12 | 85.4°F | 84.4°F | 82.2°F |
| Sep 13 | 84.9°F | 84.9°F | 82.3°F |
| Sep 14 | 85.3°F | 85.7°F | 82.2°F |
| Sep 15 | 84.4°F | 85.0°F | 81.7°F |
| Sep 16 | 85.3°F | 84.8°F | 81.3°F |
| Sep 17 | 84.9°F | 84.3°F | 80.9°F |
| Sep 18 | 85.0°F | 85.5°F | 81.0°F |
| Sep 19 | 84.7°F | 85.3°F | 80.7°F |
| Sep 20 | 84.7°F | 87.1°F | 80.7°F |
| Sep 21 | 84.4°F | 86.3°F | 80.4°F |
| Sep 22 | 84.2°F | 85.4°F | 80.2°F |
| Sep 23 | 83.8°F | 84.6°F | 79.8°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.
Popular neighboring cities and resorts
| City | Water temperature* | Distance** |
|---|---|---|
| Saijō |
83.3°F
|
8mi |
| Matsuyama |
79.9°F
|
32mi |
| Marugame |
84.0°F
|
35mi |
| Fukuyama |
84.0°F
|
36mi |
| Takamatsu |
84.1°F
|
50mi |
| Kurashiki |
84.7°F
|
50mi |
| Hiroshima |
81.1°F
|
58mi |
| Okayama |
84.3°F
|
60mi |
* current water temperature in this city
** straight line distance from Niihama