Water temperature in Sendai
51.6
°F
January 3, 12:47
Trend:
stableYesterday:
51.4°FTomorrow:
51.4°F
Sunrise:
Sunset:
Day Length:
9 h. 34 min.Sendai in January
Minimum:
49.2°FAverage:
52.0°FMaximum:
55.5°FSea water temperature in Sendai today
As of now, in Sendai, the water temperature is 51.6°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 0.2°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 fall 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 aligns closely with the historical average temperature for this date, indicating a typical climate pattern. The maximum temperature recorded for this date was 54.7°F on 2025, while the historical minimum was 49.9°F on 2020.
Daily water temperature in Sendai
| Date |
Current Year
actual* / forecast** |
last year | 10 years average |
|---|---|---|---|
| Jan 1 | 51.3°F | 54.2°F | 52.0°F |
| Jan 2 | 51.4°F | 53.6°F | 51.6°F |
| Jan 3 | 51.6°F | 54.7°F | 51.8°F |
| Jan 4 | 51.4°F | 53.7°F | 51.6°F |
| Jan 5 | 50.9°F | 53.1°F | 51.1°F |
| Jan 6 | 50.6°F | 53.4°F | 50.8°F |
| Jan 7 | 50.6°F | 55.1°F | 50.8°F |
| Jan 8 | 50.3°F | 54.2°F | 50.5°F |
| Jan 9 | 50.7°F | 54.2°F | 50.9°F |
| Jan 10 | 50.2°F | 52.3°F | 50.4°F |
| Dec 20 | 54.3°F | 54.9°F | 54.0°F |
| Dec 21 | 52.8°F | 57.1°F | 54.1°F |
| Dec 22 | 53.2°F | 57.8°F | 54.3°F |
| Dec 23 | 53.6°F | 55.6°F | 53.9°F |
| Dec 24 | 53.9°F | 54.8°F | 53.9°F |
| Dec 25 | 54.2°F | 55.1°F | 53.8°F |
| Dec 26 | 54.0°F | 56.0°F | 53.3°F |
| Dec 27 | 53.8°F | 54.4°F | 53.0°F |
| Dec 28 | 51.6°F | 54.4°F | 52.6°F |
| Dec 29 | 50.2°F | 54.1°F | 52.2°F |
| Dec 30 | 51.7°F | 54.3°F | 52.5°F |
| Dec 31 | 50.8°F | 54.4°F | 52.3°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.