Water temperature in Isumi
66.0
°F
December 15, 07:19
Trend:
stableYesterday:
66.2°FTomorrow:
66.5°F
Sunrise:
Sunset:
Day Length:
9 h. 48 min.Isumi in December
Minimum:
56.7°FAverage:
61.8°FMaximum:
65.7°FSea water temperature in Isumi today
As of now, in Isumi, the water temperature is 66.0°F. Swimming in water of this temperature is generally concidered to be cool, and most people won't really enjoy it. Today's reading is 1.1°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 rise a bit.Recent sea temperature and forecast
Today's water temperature is considerably lower than the average registered over the last two weeks, indicating a slight cooling trend. 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 67.6°F on 2018, while the historical minimum was 62.2°F on 2022.
Daily water temperature in Isumi
| Date |
Current Year
actual* / forecast** |
last year | 10 years average |
|---|---|---|---|
| Dec 1 | 70.4°F | 67.0°F | 67.8°F |
| Dec 2 | 69.3°F | 67.0°F | 67.2°F |
| Dec 3 | 69.2°F | 66.3°F | 67.1°F |
| Dec 4 | 66.0°F | 66.7°F | 66.9°F |
| Dec 5 | 65.0°F | 65.8°F | 66.2°F |
| Dec 6 | 65.3°F | 66.8°F | 66.2°F |
| Dec 7 | 66.4°F | 66.9°F | 66.1°F |
| Dec 8 | 68.5°F | 67.4°F | 66.3°F |
| Dec 9 | 69.0°F | 64.3°F | 66.1°F |
| Dec 10 | 68.7°F | 65.6°F | 66.3°F |
| Dec 11 | 68.2°F | 65.2°F | 66.4°F |
| Dec 12 | 67.4°F | 63.8°F | 65.8°F |
| Dec 13 | 66.3°F | 65.5°F | 65.9°F |
| Dec 14 | 66.2°F | 64.8°F | 65.1°F |
| Dec 15 | 66.0°F | 64.3°F | 64.9°F |
| Dec 16 | 66.5°F | 65.8°F | 65.4°F |
| Dec 17 | 65.9°F | 64.9°F | 64.7°F |
| Dec 18 | 65.6°F | 64.8°F | 64.5°F |
| Dec 19 | 65.5°F | 64.3°F | 64.3°F |
| Dec 20 | 65.4°F | 63.1°F | 64.3°F |
| Dec 21 | 65.5°F | 63.5°F | 64.4°F |
| Dec 22 | 65.5°F | 63.4°F | 64.4°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 |
67.4°F
|
8mi |
| Ichihara |
59.6°F
|
27mi |
| Kisarazu |
59.8°F
|
29mi |
| Chiba |
59.6°F
|
30mi |
| Kimitsu |
59.9°F
|
31mi |
| Futtsu |
61.2°F
|
34mi |
| Honchō |
58.0°F
|
40mi |
| Yokosuka |
63.2°F
|
42mi |
| Kawasaki |
59.1°F
|
44mi |
| Yokohama |
60.2°F
|
45mi |
* current water temperature in this city
** straight line distance from Isumi