Water temperature in Isumi
74.6
°F
October 13, 18:33
Trend:
decreasingYesterday:
75.2°FTomorrow:
74.2°F
Sunrise:
Sunset:
Day Length:
11 h. 25 min.Isumi in October
Minimum:
59.8°FAverage:
62.5°FMaximum:
65.4°FSea water temperature in Isumi today
As of now, in Isumi, the water temperature is 74.6°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 0.5°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
The water temperature today is above average for the last two weeks, showing a small increase in temperature. 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 77.2°F on 2024, while the historical minimum was 73.3°F on 2023.
Daily water temperature in Isumi
| Date |
Current Year
actual* / forecast** |
last year | 10 years average |
|---|---|---|---|
| Sep 29 | 76.0°F | 77.8°F | 76.9°F |
| Sep 30 | 76.5°F | 76.4°F | 76.9°F |
| Oct 1 | 76.4°F | 75.3°F | 76.2°F |
| Oct 2 | 73.2°F | 75.6°F | 75.5°F |
| Oct 3 | 73.8°F | 75.3°F | 75.4°F |
| Oct 4 | 74.5°F | 75.3°F | 75.7°F |
| Oct 5 | 74.5°F | 75.5°F | 75.3°F |
| Oct 6 | 71.6°F | 76.3°F | 75.3°F |
| Oct 7 | 73.8°F | 75.1°F | 75.3°F |
| Oct 8 | 76.7°F | 75.1°F | 75.8°F |
| Oct 9 | 74.2°F | 75.0°F | 75.1°F |
| Oct 10 | 72.0°F | 76.0°F | 75.1°F |
| Oct 11 | 72.4°F | 76.0°F | 74.9°F |
| Oct 12 | 75.2°F | 75.9°F | 75.2°F |
| Oct 13 | 74.6°F | 75.9°F | 75.1°F |
| Oct 14 | 74.2°F | 75.0°F | 74.7°F |
| Oct 15 | 74.3°F | 75.2°F | 74.8°F |
| Oct 16 | 74.0°F | 75.3°F | 74.6°F |
| Oct 17 | 74.2°F | 77.0°F | 74.7°F |
| Oct 18 | 74.0°F | 76.5°F | 74.6°F |
| Oct 19 | 74.1°F | 77.6°F | 74.6°F |
| Oct 20 | 73.6°F | 77.0°F | 74.1°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** |
|---|---|---|
| Katsuura |
74.6°F
|
8mi |
| Ichihara |
73.7°F
|
27mi |
| Kisarazu |
73.0°F
|
29mi |
| Chiba |
73.4°F
|
30mi |
| Kimitsu |
73.2°F
|
31mi |
| Futtsu |
73.5°F
|
34mi |
| Honchō |
71.2°F
|
40mi |
| Yokosuka |
72.6°F
|
42mi |
| Kawasaki |
72.2°F
|
44mi |
| Yokohama |
72.8°F
|
45mi |
* current water temperature in this city
** straight line distance from Isumi