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

64.8

°F

November 3, 21:06

Trend:

decreasing

Yesterday:

65.2°F

Tomorrow:

64.7°F

Sunrise:

06:04

Sunset:

16:36

Day Length:

10 h. 32 min.

Sendai in November

Minimum:

46.8°F

Average:

50.2°F

Maximum:

52.9°F

Sea water temperature in Sendai today

As of now, in Sendai, the water temperature is 64.8°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 0.5°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 stay about the same.

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 68.4°F on 2024, while the historical minimum was 60.8°F on 2017.

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 64.0°F, the minimum temperature may reach 63.1°F, and the maximum might stay at 64.7°F.

Daily water temperature in Sendai

Date Current Year

actual* / forecast**

last year 10 years average
Oct 20 68.7°F 71.5°F 67.3°F
Oct 21 68.4°F 71.4°F 67.2°F
Oct 22 67.8°F 70.9°F 66.8°F
Oct 23 67.4°F 70.3°F 66.5°F
Oct 24 67.6°F 70.5°F 66.4°F
Oct 25 67.0°F 69.9°F 66.2°F
Oct 26 66.6°F 71.8°F 66.1°F
Oct 27 66.9°F 71.2°F 65.8°F
Oct 28 66.4°F 70.3°F 65.5°F
Oct 29 66.3°F 69.5°F 65.4°F
Oct 30 66.0°F 69.6°F 65.1°F
Oct 31 65.5°F 69.2°F 64.9°F
Nov 1 65.4°F 68.6°F 64.5°F
Nov 2 65.2°F 67.9°F 64.4°F
Nov 3 64.8°F 68.4°F 64.3°F
Nov 4 64.7°F 67.6°F 64.2°F
Nov 5 64.4°F 67.8°F 64.0°F
Nov 6 64.1°F 67.1°F 63.7°F
Nov 7 64.1°F 67.3°F 63.6°F
Nov 8 64.0°F 67.4°F 63.5°F
Nov 9 63.5°F 66.9°F 63.0°F
Nov 10 63.1°F 66.5°F 62.7°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 71 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, 73.0°F in Summer, and 68.3°F in Autumn.