Water temperature in Isumi
60.6
°F
January 5, 11:52
Trend:
stableYesterday:
60.9°FTomorrow:
60.9°F
Sunrise:
Sunset:
Day Length:
9 h. 52 min.Isumi in January
Minimum:
57.6°FAverage:
63.1°FMaximum:
66.3°FSea water temperature in Isumi today
As of now, in Isumi, the water temperature is 60.6°F. Swimming in water of this temperature is considered as extremely cold, and there's a substantial risk of hypothermia if exposed for more than a brief duration. Today's reading is 1.4°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 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 66.3°F on 2020, while the historical minimum was 56.8°F on 2022.
Daily water temperature in Isumi
| Date |
Current Year
actual* / forecast** |
last year | 10 years average |
|---|---|---|---|
| Jan 1 | 63.3°F | 62.5°F | 63.1°F |
| Jan 2 | 63.7°F | 61.3°F | 63.1°F |
| Jan 3 | 60.7°F | 60.7°F | 62.5°F |
| Jan 4 | 60.9°F | 60.2°F | 62.3°F |
| Jan 5 | 60.6°F | 60.4°F | 62.0°F |
| Jan 6 | 60.9°F | 59.7°F | 62.3°F |
| Jan 7 | 61.0°F | 63.2°F | 62.4°F |
| Jan 8 | 60.9°F | 62.3°F | 62.3°F |
| Jan 9 | 61.0°F | 61.7°F | 62.4°F |
| Jan 10 | 61.0°F | 61.4°F | 62.4°F |
| Jan 11 | 60.9°F | 61.7°F | 62.3°F |
| Jan 12 | 60.4°F | 63.9°F | 61.7°F |
| Dec 22 | 65.5°F | 63.4°F | 64.2°F |
| Dec 23 | 65.9°F | 60.6°F | 63.8°F |
| Dec 24 | 65.4°F | 63.1°F | 63.6°F |
| Dec 25 | 65.2°F | 65.2°F | 63.2°F |
| Dec 26 | 64.8°F | 65.2°F | 63.9°F |
| Dec 27 | 65.1°F | 64.3°F | 64.1°F |
| Dec 28 | 66.5°F | 63.9°F | 64.1°F |
| Dec 29 | 67.2°F | 63.5°F | 63.9°F |
| Dec 30 | 64.4°F | 62.9°F | 63.3°F |
| Dec 31 | 63.1°F | 62.4°F | 63.1°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 |
63.9°F
|
8mi |
| Ichihara |
53.5°F
|
27mi |
| Kisarazu |
55.7°F
|
29mi |
| Chiba |
52.9°F
|
30mi |
| Kimitsu |
55.6°F
|
31mi |
| Futtsu |
56.8°F
|
34mi |
| Honchō |
51.3°F
|
40mi |
| Yokosuka |
59.5°F
|
42mi |
| Kawasaki |
53.4°F
|
44mi |
| Yokohama |
55.7°F
|
45mi |
* current water temperature in this city
** straight line distance from Isumi