What is the current water temperature in Sendai?

Q: What is the current water temperature in Sendai?

As of now, in Sendai, the water temperature is 11.53°C. 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.

Japan > Sendai

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.

52.8

°F

December 23, 15:42

Trend:

decreasing

Yesterday:

53.2°F

Tomorrow:

52.6°F

Sunrise:

06:50

Sunset:

16:20

Day Length:

9 h. 30 min.

Sendai in December

Minimum:

46.9°F

Average:

50.0°F

Maximum:

52.1°F

Sea water temperature in Sendai today

As of now, in Sendai, the water temperature is 52.8°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 1.3°F lower 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 minimum temperature for this date. The maximum temperature recorded for this date was 57.3°F on 2022, while the historical minimum was 52.4°F on 2017.

latest data

last year

The water temperature over the last two weeks displayed soome variability. While the two week average stayed close to the historical average, there were some days when the temperature was close to the minimum recorded over the past years. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 51.8°F, the minimum temperature may reach 51.3°F, and the maximum might stay at 52.6°F.

Daily water temperature in Sendai

Date	Current Year actual* / forecast**	last year	10 years average
Dec 9	56.8°F	62.0°F	57.0°F
Dec 10	56.7°F	61.1°F	56.6°F
Dec 11	55.7°F	61.0°F	56.4°F
Dec 12	55.4°F	60.5°F	56.2°F
Dec 13	54.4°F	60.5°F	56.0°F
Dec 14	54.5°F	59.2°F	55.6°F
Dec 15	53.0°F	59.1°F	55.3°F
Dec 16	53.9°F	57.9°F	55.2°F
Dec 17	54.1°F	57.9°F	54.7°F
Dec 18	55.2°F	57.1°F	54.6°F
Dec 19	55.2°F	56.1°F	54.4°F
Dec 20	54.3°F	54.9°F	54.0°F
Dec 21	52.8°F	57.1°F	54.2°F
Dec 22	53.2°F	57.8°F	54.5°F
Dec 23	52.8°F	55.6°F	54.0°F
Dec 24	52.6°F	54.8°F	53.8°F
Dec 25	52.5°F	55.1°F	53.8°F
Dec 26	52.0°F	56.0°F	53.3°F
Dec 27	51.7°F	54.4°F	53.0°F
Dec 28	51.6°F	54.4°F	52.8°F
Dec 29	51.3°F	54.1°F	52.5°F
Dec 30	51.3°F	54.3°F	52.6°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.