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 8.02°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.

46.4

°F

February 21, 19:06

Trend:

decreasing

Yesterday:

46.5°F

Tomorrow:

46.1°F

Sunrise:

06:21

Sunset:

17:21

Day Length:

11 h. 0 min.

Sendai in February

Minimum:

49.4°F

Average:

51.6°F

Maximum:

54.6°F

Sea water temperature in Sendai today

As of now, in Sendai, the water temperature is 46.4°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 1.0°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 slightly 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 55.3°F on 2024, while the historical minimum was 44.0°F on 2018.

latest data

last year

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 46.1°F, the minimum temperature may reach 45.9°F, and the maximum might stay at 46.1°F.

Daily water temperature in Sendai

Date	Current Year actual* / forecast**	last year	10 years average
Feb 7	48.2°F	49.5°F	48.1°F
Feb 8	48.1°F	50.0°F	48.1°F
Feb 9	47.1°F	49.8°F	47.8°F
Feb 10	46.5°F	50.3°F	47.9°F
Feb 11	46.4°F	49.9°F	47.9°F
Feb 12	46.5°F	49.9°F	47.9°F
Feb 13	46.6°F	51.0°F	47.9°F
Feb 14	46.9°F	48.8°F	47.6°F
Feb 15	46.5°F	49.1°F	47.6°F
Feb 16	47.3°F	48.8°F	47.2°F
Feb 17	47.0°F	49.9°F	47.4°F
Feb 18	46.7°F	50.6°F	47.4°F
Feb 19	46.8°F	50.8°F	47.2°F
Feb 20	46.5°F	49.9°F	47.3°F
Feb 21	46.4°F	49.8°F	47.4°F
Feb 22	46.1°F	49.7°F	47.1°F
Feb 23	46.1°F	49.6°F	47.0°F
Feb 24	46.1°F	49.9°F	47.1°F
Feb 25	45.9°F	49.5°F	46.9°F
Feb 26	46.1°F	50.3°F	47.1°F
Feb 27	46.0°F	50.4°F	47.0°F
Feb 28	46.1°F	49.5°F	47.0°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.