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

78.6

°F

August 5, 19:11

Trend:

stable

Yesterday:

80.0°F

Tomorrow:

79.0°F

Sunrise:

04:42

Sunset:

18:43

Day Length:

14 h. 1 min.

Sendai in August

Minimum:

47.0°F

Average:

50.4°F

Maximum:

54.2°F

Sea water temperature in Sendai today

As of now, in Sendai, the water temperature is 78.6°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 1.0°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 aligns closely with the historical average temperature for this date, indicating a typical climate pattern. The maximum temperature recorded for this date was 83.8°F on 2023, while the historical minimum was 73.3°F on 2017.

Over the last two weeks, the water temperature has stayed slightly above than historical averages for those days. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 78.2°F, the minimum temperature may reach 76.8°F, and the maximum might stay at 79.3°F.

Daily water temperature in Sendai

Date Current Year

actual* / forecast**

last year 10 years average
Jul 22 77.9°F 79.6°F 75.9°F
Jul 23 80.1°F 80.2°F 76.2°F
Jul 24 79.8°F 80.4°F 76.6°F
Jul 25 78.4°F 77.7°F 76.7°F
Jul 26 78.8°F 77.8°F 76.9°F
Jul 27 80.8°F 77.5°F 77.4°F
Jul 28 80.3°F 77.3°F 77.1°F
Jul 29 79.9°F 80.3°F 77.5°F
Jul 30 80.0°F 80.5°F 78.2°F
Jul 31 78.6°F 80.5°F 77.6°F
Aug 1 79.9°F 80.8°F 78.4°F
Aug 2 81.2°F 79.7°F 78.7°F
Aug 3 80.0°F 81.1°F 78.7°F
Aug 4 80.0°F 79.8°F 79.0°F
Aug 5 78.6°F 80.8°F 79.6°F
Aug 6 79.0°F 81.5°F 80.0°F
Aug 7 79.3°F 81.6°F 80.3°F
Aug 8 78.7°F 81.7°F 79.6°F
Aug 9 78.6°F 82.2°F 79.6°F
Aug 10 77.7°F 81.3°F 78.7°F
Aug 11 77.0°F 80.6°F 78.0°F
Aug 12 76.8°F 80.4°F 77.8°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 70 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, 72.9°F in Summer, and 68.2°F in Autumn.