What is the current water temperature in Tokyo?

As of now, in Tokyo, the water temperature is 27.52°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.

81.5

°F

July 14, 18:00

Trend:

increasing

Yesterday:

81.5°F

Tomorrow:

81.8°F

Sunrise:

04:36

Sunset:

18:58

Day Length:

14 h. 22 min.

Tokyo in July

Minimum:

52.9°F

Average:

54.6°F

Maximum:

58.0°F

Sea water temperature in Tokyo today

As of now, in Tokyo, the water temperature is 81.5°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 3.7°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

The water temperature today is above average for the last two weeks, showing a small increase in temperature. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 81.1°F on 2018, while the historical minimum was 73.5°F on 2019.

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 suggests a gradual increase. The average temperature is expected to rise up to 82.6°F, with minimum temperature starting at 81.8°F, while the maximum might reach 83.4°F.

Daily water temperature in Tokyo

Date	Current Year actual* / forecast**	last year	10 years average
Jun 30	79.7°F	76.8°F	74.9°F
Jul 1	81.0°F	76.7°F	75.5°F
Jul 2	79.8°F	76.8°F	75.8°F
Jul 3	77.1°F	76.8°F	75.7°F
Jul 4	77.3°F	78.7°F	76.3°F
Jul 5	80.1°F	80.6°F	76.8°F
Jul 6	80.0°F	80.1°F	76.9°F
Jul 7	82.1°F	79.7°F	76.9°F
Jul 8	83.0°F	82.1°F	77.2°F
Jul 9	83.7°F	82.2°F	77.6°F
Jul 10	82.8°F	82.3°F	77.5°F
Jul 11	82.3°F	81.9°F	77.7°F
Jul 12	81.9°F	81.5°F	78.0°F
Jul 13	81.5°F	81.2°F	77.8°F
Jul 14	81.5°F	80.7°F	77.8°F
Jul 15	81.8°F	80.7°F	78.1°F
Jul 16	82.3°F	80.4°F	78.5°F
Jul 17	82.5°F	80.2°F	78.7°F
Jul 18	82.4°F	79.8°F	78.6°F
Jul 19	82.8°F	80.9°F	79.1°F
Jul 20	83.3°F	82.3°F	79.5°F
Jul 21	83.4°F	82.4°F	79.7°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, 77.6°F in Summer, and 71.6°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Kawasaki	81.0°F	12mi
Matsudo	82.1°F	13mi
Honchō	82.1°F	17mi
Yokohama	80.3°F	18mi
Chiba	81.2°F	25mi
Ichihara	81.1°F	25mi
Kisarazu	80.6°F	25mi
Kimitsu	80.4°F	25mi
Fujisawa	79.9°F	26mi
Futtsu	80.1°F	27mi

* current water temperature in this city

** straight line distance from Tokyo