All data are in degrees Fahrenheit

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Water temperature in Sendai

Detailed information about the current water temperature in Sendai. The trend over the last two weeks, daily averages, and precise forecast of the water temperature changes. Gain a deeper understanding of seasonal dynamics with monthly statistical analyses covering recent years.
Sea temperature in Sendai now

76.9

°F

July 4, 12:12

Trend:

stable

Yesterday:

76.3°F

Tomorrow:

76.7°F

Sunrise:

04:18

Sunset:

19:04

Day Length:

14 h. 46 min.

Sendai in July

Minimum:

47.8°F

Average:

50.7°F

Maximum:

55.1°F

Sea water temperature in Sendai today

As of now, in Sendai, the water temperature is 76.9°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 5.3°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 notably higher than the average recorded over the past two weeks, indicating a significant warming trend. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 75.9°F on 2023, while the historical minimum was 66.5°F on 2015.

Observations from the last two weeks indicate that the water temperature was in proximity to the highest values recorded on those days in the past. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 77.3°F, with minimum temperature starting at 76.7°F, while the maximum might reach 77.8°F.

Daily water temperature in Sendai

Date Current Year

actual* / forecast**

last year 10 years average
Jun 20 71.1°F 69.9°F 67.6°F
Jun 21 72.4°F 71.4°F 68.0°F
Jun 22 71.5°F 72.3°F 68.2°F
Jun 23 70.6°F 71.3°F 67.9°F
Jun 24 72.1°F 70.7°F 68.0°F
Jun 25 71.5°F 71.2°F 68.6°F
Jun 26 71.2°F 70.8°F 69.1°F
Jun 27 73.7°F 69.6°F 69.3°F
Jun 28 74.5°F 68.9°F 69.1°F
Jun 29 73.0°F 68.0°F 69.1°F
Jun 30 72.9°F 72.3°F 69.9°F
Jul 1 74.3°F 72.0°F 70.3°F
Jul 2 75.9°F 71.6°F 71.1°F
Jul 3 76.3°F 71.3°F 71.0°F
Jul 4 76.9°F 73.6°F 71.6°F
Jul 5 76.7°F 73.3°F 71.4°F
Jul 6 76.9°F 74.0°F 71.6°F
Jul 7 77.3°F 76.2°F 71.9°F
Jul 8 77.4°F 75.7°F 72.1°F
Jul 9 77.7°F 75.4°F 72.3°F
Jul 10 77.5°F 75.2°F 72.1°F
Jul 11 77.8°F 75.0°F 72.5°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.

Sea water temperature in Sendai by month

In Sendai, the months July through September offer comfortable swimming conditions, which amounts to 67 swimming days.
The warmest water in Sendai was recorded on August 6, 2023, reaching a 84.7°F. While the coldest temperature occurred on February 23, 2018, dipping to 42.6°F. The average readings by season are 50.9°F in Winter, 51.9°F in Spring, 72.8°F in Summer, and 68.2°F in Autumn.