What is the current water temperature in Tokyo?

Q: What is the current water temperature in Tokyo?

As of now, in Tokyo, the water temperature is 11.78°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 > Tokyo

Water temperature in Tokyo

Detailed information about the current water temperature in Tokyo. 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.

53.2

°F

February 28, 15:22

Trend:

decreasing

Yesterday:

53.5°F

Tomorrow:

51.4°F

Sunrise:

06:14

Sunset:

17:35

Day Length:

11 h. 21 min.

Tokyo in March

Minimum:

51.6°F

Average:

54.5°F

Maximum:

58.9°F

Sea water temperature in Tokyo today

As of now, in Tokyo, the water temperature is 53.2°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 fall considerably.

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 55.4°F on 2016, while the historical minimum was 48.7°F on 2018.

latest data

last year

Observations from the last two weeks indicate that the water temperature was in proximity to the highest values recorded on those days in the past. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 52.1°F, the minimum temperature may reach 51.4°F, and the maximum might stay at 52.7°F.

Daily water temperature in Tokyo

Date	Current Year actual* / forecast**	last year	10 years average
Feb 14	57.7°F	50.5°F	52.5°F
Feb 15	57.8°F	50.1°F	52.4°F
Feb 16	59.3°F	50.4°F	52.9°F
Feb 17	58.8°F	50.9°F	53.4°F
Feb 18	58.6°F	51.7°F	53.1°F
Feb 19	60.2°F	51.0°F	52.8°F
Feb 20	60.9°F	51.5°F	53.1°F
Feb 21	60.3°F	52.0°F	53.1°F
Feb 22	60.4°F	54.4°F	53.0°F
Feb 23	57.8°F	55.1°F	53.0°F
Feb 24	53.2°F	53.8°F	52.1°F
Feb 25	53.1°F	53.7°F	52.1°F
Feb 26	53.3°F	54.5°F	52.4°F
Feb 27	53.5°F	55.0°F	52.3°F
Feb 28	53.2°F	54.4°F	52.0°F
Mar 1	51.4°F	51.7°F	52.2°F
Mar 2	51.6°F	52.8°F	52.4°F
Mar 3	51.9°F	53.1°F	52.7°F
Mar 4	51.9°F	53.5°F	52.7°F
Mar 5	52.4°F	54.1°F	53.2°F
Mar 6	52.7°F	54.5°F	53.4°F
Mar 7	52.7°F	51.9°F	53.5°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 Tokyo by month

In Tokyo, the months July through September offer comfortable swimming conditions, which amounts to 105 swimming days.

The warmest water in Tokyo was recorded on July 30, 2024, reaching a 88.2°F. While the coldest temperature occurred on February 15, 2022, dipping to 47.3°F. The average readings by season are 54.7°F in Winter, 60.3°F in Spring, 77.9°F in Summer, and 71.8°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Kawasaki	53.0°F	12mi
Matsudo	54.8°F	13mi
Honchō	54.8°F	17mi
Yokohama	53.2°F	18mi
Chiba	56.2°F	25mi
Ichihara	56.3°F	25mi
Kisarazu	55.1°F	25mi
Kimitsu	54.4°F	25mi
Fujisawa	58.4°F	26mi
Futtsu	54.7°F	27mi

* current water temperature in this city

** straight line distance from Tokyo