What is the current water temperature in Tokyo?

As of now, in Tokyo, the water temperature is 26.12°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.

79.0

°F

June 28, 20:06

Trend:

stable

Yesterday:

79.2°F

Tomorrow:

79.1°F

Sunrise:

04:27

Sunset:

19:01

Day Length:

14 h. 34 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 79.0°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 4.8°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 78.8°F on 2022, while the historical minimum was 70.8°F on 2015.

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 80.2°F, with minimum temperature starting at 79.1°F, while the maximum might reach 81.3°F.

Daily water temperature in Tokyo

Date	Current Year actual* / forecast**	last year	10 years average
Jun 14	70.4°F	72.2°F	70.9°F
Jun 15	70.5°F	74.1°F	71.2°F
Jun 16	73.2°F	74.2°F	72.1°F
Jun 17	75.4°F	74.2°F	72.3°F
Jun 18	77.5°F	74.3°F	72.8°F
Jun 19	79.3°F	74.3°F	73.0°F
Jun 20	79.1°F	74.4°F	72.8°F
Jun 21	78.5°F	74.4°F	73.0°F
Jun 22	77.2°F	73.5°F	72.6°F
Jun 23	77.0°F	73.5°F	72.7°F
Jun 24	77.0°F	74.0°F	73.1°F
Jun 25	76.4°F	74.3°F	73.0°F
Jun 26	79.1°F	74.3°F	74.0°F
Jun 27	79.2°F	74.3°F	74.1°F
Jun 28	79.0°F	76.5°F	74.2°F
Jun 29	79.1°F	76.2°F	74.3°F
Jun 30	79.3°F	76.8°F	74.5°F
Jul 1	79.8°F	76.7°F	74.9°F
Jul 2	80.3°F	76.8°F	75.5°F
Jul 3	80.4°F	76.8°F	75.6°F
Jul 4	81.1°F	78.7°F	76.2°F
Jul 5	81.3°F	80.6°F	76.4°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, 77.5°F in Summer, and 71.6°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Kawasaki	78.7°F	12mi
Matsudo	79.9°F	13mi
Honchō	79.9°F	17mi
Yokohama	78.2°F	18mi
Chiba	78.3°F	25mi
Ichihara	78.1°F	25mi
Kisarazu	78.5°F	25mi
Kimitsu	78.4°F	25mi
Fujisawa	77.1°F	26mi
Futtsu	77.6°F	27mi

* current water temperature in this city

** straight line distance from Tokyo