What is the current water temperature in Tokyo?

As of now, in Tokyo, the water temperature is 27.58°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.

81.6

°F

July 29, 02:36

Trend:

increasing

Yesterday:

81.6°F

Tomorrow:

82.2°F

Sunrise:

04:46

Sunset:

18:49

Day Length:

14 h. 3 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 81.6°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 0.2°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 slightly 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 85.1°F on 2024, while the historical minimum was 77.9°F on 2020.

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 maximum recorded over the past years. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 82.5°F, with minimum temperature starting at 82.2°F, while the maximum might reach 83.0°F.

Daily water temperature in Tokyo

Date	Current Year actual* / forecast**	last year	10 years average
Jul 15	79.4°F	81.0°F	78.6°F
Jul 16	79.4°F	80.6°F	78.9°F
Jul 17	80.3°F	79.3°F	79.1°F
Jul 18	80.0°F	82.2°F	79.3°F
Jul 19	80.3°F	80.7°F	79.5°F
Jul 20	81.7°F	81.0°F	80.0°F
Jul 21	83.1°F	82.3°F	80.3°F
Jul 22	83.8°F	83.1°F	80.5°F
Jul 23	84.8°F	82.1°F	80.7°F
Jul 24	83.4°F	82.5°F	80.7°F
Jul 25	82.3°F	82.5°F	81.0°F
Jul 26	82.9°F	83.6°F	81.4°F
Jul 27	82.5°F	84.4°F	81.4°F
Jul 28	81.6°F	83.0°F	81.4°F
Jul 29	81.6°F	83.2°F	81.4°F
Jul 30	82.2°F	84.8°F	82.0°F
Jul 31	82.2°F	84.0°F	82.0°F
Aug 1	82.5°F	84.5°F	82.3°F
Aug 2	82.3°F	83.6°F	82.1°F
Aug 3	82.7°F	82.6°F	82.5°F
Aug 4	82.8°F	83.5°F	82.6°F
Aug 5	83.0°F	83.4°F	82.8°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 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	81.5°F	12mi
Matsudo	81.2°F	13mi
Honchō	81.2°F	17mi
Yokohama	81.2°F	18mi
Chiba	81.3°F	25mi
Ichihara	81.1°F	25mi
Kisarazu	81.1°F	25mi
Kimitsu	81.2°F	25mi
Fujisawa	80.9°F	26mi
Futtsu	81.0°F	27mi

* current water temperature in this city

** straight line distance from Tokyo