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 8.65°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.

47.6

°F

March 15, 11:58

Trend:

stable

Yesterday:

47.6°F

Tomorrow:

47.7°F

Sunrise:

05:49

Sunset:

17:43

Day Length:

11 h. 54 min.

Sendai in March

Minimum:

49.9°F

Average:

51.7°F

Maximum:

54.7°F

Sea water temperature in Sendai today

As of now, in Sendai, the water temperature is 47.6°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 1.2°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 rise 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 also aligns closely with the historical average temperature for this date, indicating a typical climate pattern. The maximum temperature recorded for this date was 51.8°F on 2024, while the historical minimum was 43.6°F on 2015.

latest data

last year

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 47.9°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
Mar 1	49.5°F	54.2°F	47.0°F
Mar 2	50.6°F	54.7°F	46.9°F
Mar 3	50.6°F	54.5°F	47.1°F
Mar 4	50.0°F	54.1°F	47.0°F
Mar 5	49.5°F	53.0°F	46.9°F
Mar 6	48.6°F	52.9°F	47.0°F
Mar 7	49.0°F	50.6°F	46.7°F
Mar 8	47.5°F	50.4°F	46.5°F
Mar 9	47.3°F	49.8°F	46.5°F
Mar 10	48.3°F	52.5°F	46.9°F
Mar 11	47.7°F	51.4°F	46.6°F
Mar 12	48.4°F	51.1°F	46.6°F
Mar 13	48.3°F	51.9°F	46.6°F
Mar 14	47.6°F	51.0°F	46.4°F
Mar 15	47.6°F	51.8°F	46.4°F
Mar 16	47.7°F	51.5°F	46.5°F
Mar 17	47.7°F	49.5°F	46.5°F
Mar 18	47.8°F	51.9°F	46.6°F
Mar 19	47.9°F	52.4°F	46.8°F
Mar 20	48.1°F	52.1°F	46.9°F
Mar 21	48.1°F	51.6°F	47.0°F
Mar 22	48.1°F	51.7°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 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 50.9°F in Winter, 51.9°F in Spring, 72.8°F in Summer, and 68.2°F in Autumn.