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

52.0

°F

January 31, 08:56

Trend:

stable

Yesterday:

51.8°F

Tomorrow:

51.9°F

Sunrise:

06:43

Sunset:

16:57

Day Length:

10 h. 14 min.

Sendai in February

Minimum:

49.4°F

Average:

51.5°F

Maximum:

54.6°F

Sea water temperature in Sendai today

As of now, in Sendai, the water temperature is 52.0°F. Swimming in water of this temperature is considered as extremely cold, and there's a substantial risk of hypothermia if exposed for more than a brief duration. Today's reading is 3.8°F higher than the average recorded on this particular day in recent years. Since yesterday, there was a slight increase in temperature. This indicates a warming trend over the past day. According to the forecast, we expect the temperature to stay about the same.

Recent sea temperature and forecast

Today's water temperature is slightly 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 55.3°F on 2024, while the historical minimum was 45.2°F on 2022.

Over the last two weeks, the water temperature has stayed slightly above than historical averages for those days. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 51.8°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Sendai

Date Current Year

actual* / forecast**

last year 10 years average
Jan 17 51.5°F 55.0°F 49.4°F
Jan 18 51.8°F 53.9°F 49.0°F
Jan 19 52.2°F 53.0°F 48.9°F
Jan 20 52.9°F 53.8°F 49.0°F
Jan 21 55.1°F 53.3°F 49.1°F
Jan 22 54.0°F 52.9°F 49.1°F
Jan 23 53.7°F 55.3°F 49.0°F
Jan 24 53.1°F 55.5°F 49.1°F
Jan 25 52.2°F 55.8°F 48.9°F
Jan 26 53.0°F 55.2°F 48.5°F
Jan 27 53.2°F 55.8°F 48.8°F
Jan 28 52.1°F 56.3°F 48.7°F
Jan 29 52.0°F 56.1°F 48.8°F
Jan 30 51.8°F 54.6°F 47.9°F
Jan 31 52.0°F 55.3°F 48.2°F
Feb 1 51.9°F 54.7°F 48.1°F
Feb 2 52.0°F 54.5°F 48.2°F
Feb 3 51.8°F 54.1°F 47.9°F
Feb 4 51.8°F 54.7°F 48.0°F
Feb 5 51.8°F 54.7°F 48.0°F
Feb 6 51.9°F 54.1°F 48.1°F
Feb 7 51.6°F 53.9°F 47.8°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 February 23, 2018, dipping to 42.6°F. The average readings by season are 50.8°F in Winter, 51.9°F in Spring, 72.8°F in Summer, and 68.2°F in Autumn.