All data are in degrees Fahrenheit

en

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.
Sea temperature in Tokyo now

69.3

°F

June 2, 01:29

Trend:

increasing

Yesterday:

69.2°F

Tomorrow:

69.6°F

Sunrise:

04:27

Sunset:

18:52

Day Length:

14 h. 25 min.

Tokyo in June

Minimum:

51.4°F

Average:

54.7°F

Maximum:

59.1°F

Sea water temperature in Tokyo today

As of now, in Tokyo, the water temperature is 69.3°F. Swimming in water of this temperature is seen as relatively warm and enjoyable for some individuals, although many might find it slightly too cool. Today's reading is 0.3°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 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 70.9°F on 2022, while the historical minimum was 68.2°F on 2023.

Over the past two weeks, the water temperature has closely aligned with historical averages for those days. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 70.0°F, with minimum temperature starting at 69.5°F, while the maximum might reach 70.4°F.

Daily water temperature in Tokyo

Date Current Year

actual* / forecast**

last year 10 years average
May 19 69.0°F 66.9°F 67.4°F
May 20 68.1°F 67.0°F 67.4°F
May 21 67.8°F 67.6°F 67.6°F
May 22 67.7°F 68.3°F 67.8°F
May 23 67.7°F 68.4°F 68.1°F
May 24 67.8°F 68.2°F 68.2°F
May 25 67.8°F 70.0°F 68.6°F
May 26 67.8°F 69.9°F 68.6°F
May 27 66.8°F 70.4°F 68.6°F
May 28 69.2°F 70.8°F 68.9°F
May 29 69.4°F 71.3°F 69.5°F
May 30 69.3°F 70.7°F 69.5°F
May 31 69.4°F 70.7°F 69.6°F
Jun 1 69.2°F 70.6°F 69.5°F
Jun 2 69.3°F 70.7°F 69.7°F
Jun 3 69.6°F 70.6°F 70.0°F
Jun 4 69.5°F 70.6°F 69.9°F
Jun 5 69.8°F 70.3°F 70.1°F
Jun 6 70.1°F 72.2°F 70.4°F
Jun 7 70.2°F 72.1°F 70.5°F
Jun 8 70.3°F 71.2°F 70.7°F
Jun 9 70.4°F 70.6°F 70.7°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, 77.4°F in Summer, and 71.6°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Kawasaki 68.8°F 12mi
Matsudo 69.6°F 13mi
Honchō 69.6°F 17mi
Yokohama 68.5°F 18mi
Chiba 68.4°F 25mi
Ichihara 68.3°F 25mi
Kisarazu 68.6°F 25mi
Kimitsu 68.6°F 25mi
Fujisawa 68.4°F 26mi
Futtsu 68.6°F 27mi

* current water temperature in this city

** straight line distance from Tokyo