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

79.2

°F

August 29, 08:07

Trend:

decreasing

Yesterday:

79.7°F

Tomorrow:

79.0°F

Sunrise:

05:03

Sunset:

18:12

Day Length:

13 h. 9 min.

Sendai in September

Minimum:

47.9°F

Average:

50.9°F

Maximum:

54.2°F

Sea water temperature in Sendai today

As of now, in Sendai, the water temperature is 79.2°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 0.8°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 fall a bit.

Recent sea temperature and forecast

The water temperature today is above average for the last two weeks, showing a small increase in temperature. 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 83.0°F on 2023, while the historical minimum was 72.9°F on 2022.

Over the past two weeks, the water temperature has closely aligned with 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 77.3°F, and the maximum might stay at 79.0°F.

Daily water temperature in Sendai

Date Current Year

actual* / forecast**

last year 10 years average
Aug 15 76.0°F 79.5°F 78.1°F
Aug 16 77.1°F 78.6°F 78.1°F
Aug 17 77.1°F 79.1°F 77.9°F
Aug 18 78.2°F 79.5°F 77.9°F
Aug 19 78.5°F 81.1°F 78.1°F
Aug 20 79.4°F 81.3°F 78.4°F
Aug 21 78.7°F 81.6°F 78.5°F
Aug 22 79.3°F 81.9°F 78.7°F
Aug 23 79.9°F 81.8°F 78.9°F
Aug 24 80.0°F 82.7°F 78.7°F
Aug 25 81.1°F 82.2°F 78.7°F
Aug 26 80.9°F 81.2°F 78.8°F
Aug 27 80.2°F 82.4°F 79.2°F
Aug 28 79.7°F 82.0°F 78.9°F
Aug 29 79.2°F 81.5°F 78.4°F
Aug 30 79.0°F 81.8°F 78.1°F
Aug 31 78.7°F 81.4°F 77.9°F
Sep 1 78.8°F 83.3°F 77.9°F
Sep 2 78.4°F 82.5°F 77.6°F
Sep 3 78.0°F 82.9°F 77.2°F
Sep 4 77.5°F 81.2°F 76.6°F
Sep 5 77.3°F 80.4°F 76.5°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 75 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 51.0°F in Winter, 52.1°F in Spring, 73.2°F in Summer, and 68.6°F in Autumn.