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 12.55°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.

54.6

°F

February 24, 02:26

Trend:

stable

Yesterday:

55.1°F

Tomorrow:

54.7°F

Sunrise:

06:19

Sunset:

17:31

Day Length:

11 h. 12 min.

Tokyo in February

Minimum:

52.1°F

Average:

55.3°F

Maximum:

59.1°F

Sea water temperature in Tokyo today

As of now, in Tokyo, the water temperature is 54.6°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 2.6°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 is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 55.9°F on 2016, while the historical minimum was 48.9°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 shows a gradual cooling trend. The average temperature is expected to be 54.1°F, the minimum temperature may reach 53.1°F, and the maximum might stay at 55.0°F.

Daily water temperature in Tokyo

Date	Current Year actual* / forecast**	last year	10 years average
Feb 10	49.7°F	54.7°F	53.1°F
Feb 11	49.9°F	52.7°F	53.0°F
Feb 12	49.7°F	51.6°F	52.7°F
Feb 13	50.5°F	51.5°F	52.5°F
Feb 14	50.5°F	51.3°F	52.2°F
Feb 15	50.1°F	50.9°F	52.1°F
Feb 16	50.4°F	53.9°F	52.5°F
Feb 17	50.9°F	54.2°F	53.0°F
Feb 18	51.7°F	54.4°F	52.7°F
Feb 19	51.0°F	54.0°F	52.3°F
Feb 20	51.5°F	54.2°F	52.6°F
Feb 21	52.0°F	54.5°F	52.6°F
Feb 22	54.4°F	54.4°F	52.6°F
Feb 23	55.1°F	54.4°F	52.5°F
Feb 24	54.6°F	53.5°F	52.0°F
Feb 25	54.7°F	52.9°F	52.1°F
Feb 26	55.0°F	52.9°F	52.4°F
Feb 27	54.9°F	52.4°F	52.4°F
Feb 28	54.6°F	52.2°F	52.0°F
Mar 1	53.1°F	52.9°F	52.5°F
Mar 2	53.2°F	52.0°F	52.6°F
Mar 3	53.4°F	32.0°F	52.8°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 104 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 55.0°F in Winter, 60.2°F in Spring, 77.4°F in Summer, and 71.6°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Kawasaki	56.2°F	12mi
Matsudo	52.0°F	13mi
Honchō	52.0°F	17mi
Yokohama	57.6°F	18mi
Chiba	53.0°F	25mi
Ichihara	53.5°F	25mi
Kisarazu	57.2°F	25mi
Kimitsu	57.9°F	25mi
Fujisawa	59.5°F	26mi
Futtsu	58.9°F	27mi

* current water temperature in this city

** straight line distance from Tokyo