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

73.5

°F

September 22, 17:01

Trend:

stable

Yesterday:

72.3°F

Tomorrow:

73.1°F

Sunrise:

05:24

Sunset:

17:35

Day Length:

12 h. 11 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 73.5°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 0.3°F lower than the average recorded on this particular day in recent years. Since yesterday, there was a noticeable 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 also aligns closely with the historical average temperature for this date, indicating a typical climate pattern. The maximum temperature recorded for this date was 78.0°F on 2023, while the historical minimum was 70.3°F on 2017.

Observations from the last two weeks indicate that the water temperature was in proximity to the lowest values recorded on those days in the past. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 72.4°F, the minimum temperature may reach 71.7°F, and the maximum might stay at 73.1°F.

Daily water temperature in Sendai

Date Current Year

actual* / forecast**

last year 10 years average
Sep 8 73.7°F 80.3°F 76.6°F
Sep 9 73.3°F 79.4°F 76.4°F
Sep 10 72.3°F 77.2°F 75.9°F
Sep 11 74.2°F 77.0°F 76.2°F
Sep 12 72.4°F 76.5°F 76.0°F
Sep 13 71.5°F 76.0°F 75.6°F
Sep 14 71.6°F 78.2°F 75.7°F
Sep 15 71.3°F 78.1°F 75.3°F
Sep 16 71.3°F 77.7°F 75.0°F
Sep 17 72.5°F 78.0°F 75.1°F
Sep 18 72.1°F 79.3°F 75.3°F
Sep 19 71.8°F 78.1°F 74.9°F
Sep 20 72.0°F 77.5°F 74.6°F
Sep 21 72.3°F 76.9°F 74.3°F
Sep 22 73.5°F 76.4°F 73.8°F
Sep 23 73.1°F 75.9°F 73.4°F
Sep 24 72.7°F 75.6°F 73.1°F
Sep 25 72.8°F 75.2°F 73.1°F
Sep 26 72.5°F 74.9°F 72.8°F
Sep 27 72.4°F 75.2°F 72.7°F
Sep 28 71.7°F 75.0°F 72.1°F
Sep 29 71.9°F 74.4°F 72.3°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.

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 68.5°F in Autumn.