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 8.39°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.

47.1

°F

March 30, 04:32

Trend:

increasing

Yesterday:

47.0°F

Tomorrow:

47.2°F

Sunrise:

05:26

Sunset:

17:57

Day Length:

12 h. 31 min.

Sendai in April

Minimum:

49.5°F

Average:

51.5°F

Maximum:

54.6°F

Sea water temperature in Sendai today

As of now, in Sendai, the water temperature is 47.1°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 0.9°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 stay about the same.

Recent sea temperature and forecast

The water temperature today is above average for the last two weeks, showing a small increase in temperature. 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 52.2°F on 2024, while the historical minimum was 45.5°F on 2022.

latest data

last year

Over the last two weeks, the water temperature has stayed slightly lower than historical averages for those days. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 47.8°F, with minimum temperature starting at 47.2°F, while the maximum might reach 48.3°F.

Daily water temperature in Sendai

Date	Current Year actual* / forecast**	last year	10 years average
Mar 16	45.7°F	47.4°F	46.8°F
Mar 17	47.0°F	47.4°F	46.9°F
Mar 18	46.8°F	47.5°F	47.0°F
Mar 19	46.0°F	48.0°F	47.1°F
Mar 20	46.4°F	46.8°F	47.1°F
Mar 21	46.6°F	47.1°F	47.1°F
Mar 22	45.9°F	47.4°F	47.1°F
Mar 23	45.6°F	46.5°F	46.8°F
Mar 24	46.6°F	47.2°F	46.8°F
Mar 25	46.5°F	47.3°F	46.9°F
Mar 26	47.1°F	49.0°F	47.2°F
Mar 27	47.2°F	47.8°F	47.3°F
Mar 28	46.6°F	49.6°F	47.7°F
Mar 29	47.0°F	49.2°F	47.9°F
Mar 30	47.1°F	49.3°F	48.0°F
Mar 31	47.2°F	48.8°F	48.1°F
Apr 1	47.5°F	48.5°F	48.3°F
Apr 2	47.7°F	48.2°F	48.6°F
Apr 3	48.1°F	48.4°F	49.0°F
Apr 4	47.9°F	48.5°F	48.8°F
Apr 5	48.2°F	47.0°F	49.0°F
Apr 6	48.3°F	47.3°F	49.2°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 73 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 68.6°F in Autumn.