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 11.64°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.

53.0

°F

April 20, 21:26

Trend:

decreasing

Yesterday:

53.0°F

Tomorrow:

52.9°F

Sunrise:

04:55

Sunset:

18:17

Day Length:

13 h. 22 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 53.0°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 0.3°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 notably higher than the average recorded over the past two weeks, indicating a significant warming 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 59.6°F on 2024, while the historical minimum was 49.9°F on 2019.

latest data

last year

Over the past two weeks, the water temperature has closely aligned with historical averages for those days. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 53.1°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
Apr 6	48.7°F	47.3°F	49.1°F
Apr 7	49.6°F	47.8°F	49.5°F
Apr 8	49.9°F	47.5°F	49.6°F
Apr 9	49.8°F	49.8°F	49.8°F
Apr 10	50.0°F	48.5°F	49.9°F
Apr 11	50.4°F	49.1°F	49.8°F
Apr 12	49.5°F	50.4°F	50.1°F
Apr 13	48.9°F	50.5°F	50.2°F
Apr 14	50.2°F	51.3°F	51.2°F
Apr 15	51.2°F	51.8°F	51.6°F
Apr 16	51.5°F	51.4°F	51.6°F
Apr 17	51.7°F	50.4°F	51.8°F
Apr 18	52.2°F	51.3°F	52.0°F
Apr 19	53.0°F	52.6°F	52.7°F
Apr 20	53.0°F	52.8°F	52.7°F
Apr 21	52.9°F	52.4°F	52.6°F
Apr 22	52.9°F	52.9°F	52.6°F
Apr 23	53.1°F	53.1°F	52.8°F
Apr 24	53.0°F	53.0°F	52.7°F
Apr 25	53.2°F	53.0°F	52.9°F
Apr 26	53.5°F	54.0°F	53.2°F
Apr 27	53.3°F	53.1°F	53.0°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.