What is the current water temperature in Tokyo?

As of now, in Tokyo, the water temperature is 27.27°C. It's safe to say that the water is comfortably warm for various water-related activities.

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.

81.1

°F

August 12, 06:50

Trend:

stable

Yesterday:

81.2°F

Tomorrow:

81.3°F

Sunrise:

04:57

Sunset:

18:35

Day Length:

13 h. 38 min.

Tokyo in August

Minimum:

52.4°F

Average:

54.1°F

Maximum:

57.7°F

Sea water temperature in Tokyo today

As of now, in Tokyo, the water temperature is 81.1°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 1.2°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 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 is also close to the historical minimum temperature for this date. The maximum temperature recorded for this date was 84.9°F on 2023, while the historical minimum was 80.4°F on 2016.

latest data

last year

The water temperature over the last two weeks displayed soome variability. While the two week average stayed close to the historical average, there were some days when the temperature was close to the histoorical minimum and others when it was close to the historical maximum. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 81.3°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
Jul 29	81.1°F	83.2°F	81.4°F
Jul 30	82.9°F	84.8°F	82.1°F
Jul 31	82.8°F	84.0°F	82.0°F
Aug 1	82.9°F	84.5°F	82.4°F
Aug 2	84.7°F	83.6°F	82.4°F
Aug 3	83.4°F	82.6°F	82.5°F
Aug 4	86.7°F	83.5°F	82.9°F
Aug 5	83.7°F	83.4°F	82.9°F
Aug 6	83.4°F	84.5°F	83.2°F
Aug 7	82.4°F	85.4°F	83.0°F
Aug 8	82.3°F	83.7°F	82.8°F
Aug 9	82.2°F	83.8°F	82.9°F
Aug 10	82.8°F	83.3°F	82.4°F
Aug 11	81.2°F	83.3°F	82.4°F
Aug 12	81.1°F	83.0°F	82.3°F
Aug 13	81.3°F	82.7°F	82.5°F
Aug 14	81.8°F	82.4°F	82.9°F
Aug 15	81.4°F	82.6°F	82.6°F
Aug 16	81.6°F	83.0°F	82.7°F
Aug 17	81.1°F	82.5°F	82.3°F
Aug 18	80.7°F	83.5°F	81.9°F
Aug 19	81.1°F	84.3°F	82.3°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, 60.5°F in Spring, 77.8°F in Summer, and 71.8°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Kawasaki	81.6°F	12mi
Matsudo	81.0°F	13mi
Honchō	81.0°F	17mi
Yokohama	82.5°F	18mi
Chiba	80.1°F	25mi
Ichihara	79.9°F	25mi
Kisarazu	80.7°F	25mi
Kimitsu	80.9°F	25mi
Fujisawa	81.6°F	26mi
Futtsu	80.6°F	27mi

* current water temperature in this city

** straight line distance from Tokyo