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

64.7

°F

November 21, 21:47

Trend:

decreasing

Yesterday:

65.0°F

Tomorrow:

64.3°F

Sunrise:

06:24

Sunset:

16:20

Day Length:

9 h. 56 min.

Sendai in November

Minimum:

46.8°F

Average:

49.8°F

Maximum:

51.4°F

Sea water temperature in Sendai today

As of now, in Sendai, the water temperature is 64.7°F. Swimming in water of this temperature is generally concidered to be cool, and most people won't really enjoy it. Today's reading is 4.6°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

Today's water temperature is considerably lower than the average registered over the last two weeks, indicating a slight cooling trend. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 62.8°F on 2023, while the historical minimum was 57.9°F on 2017.

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 shows a gradual cooling trend. The average temperature is expected to be 64.0°F, the minimum temperature may reach 63.4°F, and the maximum might stay at 64.4°F.

Daily water temperature in Sendai

Date Current Year

actual* / forecast**

last year 10 years average
Nov 7 67.3°F 65.9°F 63.5°F
Nov 8 67.4°F 66.6°F 63.3°F
Nov 9 66.9°F 66.0°F 62.9°F
Nov 10 66.6°F 65.2°F 62.5°F
Nov 11 66.2°F 64.9°F 62.2°F
Nov 12 66.1°F 64.9°F 62.1°F
Nov 13 65.6°F 63.7°F 61.6°F
Nov 14 65.8°F 64.8°F 61.8°F
Nov 15 65.7°F 64.1°F 61.9°F
Nov 16 66.0°F 63.9°F 61.8°F
Nov 17 66.3°F 63.7°F 61.6°F
Nov 18 67.0°F 63.6°F 61.5°F
Nov 19 64.9°F 63.7°F 61.1°F
Nov 20 65.0°F 62.5°F 60.8°F
Nov 21 64.7°F 62.8°F 60.1°F
Nov 22 64.3°F 62.5°F 59.7°F
Nov 23 64.3°F 61.9°F 59.7°F
Nov 24 64.4°F 62.4°F 59.8°F
Nov 25 64.1°F 62.4°F 59.5°F
Nov 26 63.8°F 62.2°F 59.2°F
Nov 27 63.7°F 61.7°F 59.1°F
Nov 28 63.4°F 61.1°F 58.8°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 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 March 16, 2014, dipping to 42.5°F. The average readings by season are 50.4°F in Winter, 51.7°F in Spring, 72.6°F in Summer, and 67.9°F in Autumn.