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 14.19°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.

57.5

°F

March 29, 13:48

Trend:

increasing

Yesterday:

57.4°F

Tomorrow:

58.2°F

Sunrise:

05:33

Sunset:

18:00

Day Length:

12 h. 27 min.

Tokyo in April

Minimum:

51.9°F

Average:

54.8°F

Maximum:

59.2°F

Sea water temperature in Tokyo today

As of now, in Tokyo, the water temperature is 57.5°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 0.7°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 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 61.5°F on 2023, while the historical minimum was 53.3°F on 2024.

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 57.9°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Tokyo

Date	Current Year actual* / forecast**	last year	10 years average
Mar 15	52.9°F	51.6°F	53.5°F
Mar 16	53.6°F	52.2°F	53.9°F
Mar 17	54.1°F	53.6°F	54.8°F
Mar 18	54.0°F	54.4°F	54.9°F
Mar 19	54.7°F	55.4°F	55.0°F
Mar 20	54.4°F	55.8°F	55.0°F
Mar 21	53.0°F	55.9°F	55.3°F
Mar 22	54.7°F	55.1°F	55.7°F
Mar 23	55.3°F	54.6°F	55.8°F
Mar 24	55.7°F	56.3°F	56.3°F
Mar 25	55.8°F	56.3°F	56.2°F
Mar 26	56.8°F	56.0°F	56.4°F
Mar 27	56.6°F	59.1°F	56.4°F
Mar 28	57.4°F	58.9°F	56.7°F
Mar 29	57.5°F	58.5°F	56.8°F
Mar 30	58.2°F	58.3°F	57.5°F
Mar 31	57.5°F	54.2°F	56.8°F
Apr 1	57.4°F	54.6°F	56.6°F
Apr 2	57.8°F	55.1°F	57.1°F
Apr 3	58.1°F	55.8°F	57.4°F
Apr 4	58.2°F	53.5°F	57.4°F
Apr 5	58.0°F	53.4°F	57.2°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	57.7°F	12mi
Matsudo	57.5°F	13mi
Honchō	57.5°F	17mi
Yokohama	58.6°F	18mi
Chiba	58.1°F	25mi
Ichihara	57.9°F	25mi
Kisarazu	57.7°F	25mi
Kimitsu	57.5°F	25mi
Fujisawa	59.7°F	26mi
Futtsu	57.6°F	27mi

* current water temperature in this city

** straight line distance from Tokyo