All data are in degrees Fahrenheit

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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

61.4

°F

December 6, 12:14

Trend:

stable

Yesterday:

61.4°F

Tomorrow:

61.2°F

Sunrise:

06:36

Sunset:

16:28

Day Length:

9 h. 52 min.

Tokyo in December

Minimum:

50.8°F

Average:

53.8°F

Maximum:

57.3°F

Sea water temperature in Tokyo today

As of now, in Tokyo, the water temperature is 61.4°F. Swimming in water of this temperature is generally concidered to be cool, and most people won't really enjoy it. Today's reading is 0.5°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 fall 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 also aligns closely with the historical average temperature for this date, indicating a typical climate pattern. The maximum temperature recorded for this date was 63.0°F on 2018, while the historical minimum was 59.4°F on 2023.

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 minimum recorded over the past years. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 60.1°F, the minimum temperature may reach 59.5°F, and the maximum might stay at 61.2°F.

Daily water temperature in Tokyo

Date Current Year

actual* / forecast**

last year 10 years average
Nov 22 59.9°F 65.1°F 63.2°F
Nov 23 61.5°F 64.7°F 63.2°F
Nov 24 60.4°F 64.2°F 63.3°F
Nov 25 60.4°F 63.7°F 62.5°F
Nov 26 60.7°F 63.0°F 62.0°F
Nov 27 58.7°F 63.5°F 62.1°F
Nov 28 61.5°F 62.8°F 62.2°F
Nov 29 60.7°F 62.5°F 61.8°F
Nov 30 61.0°F 62.8°F 61.8°F
Dec 1 58.8°F 61.8°F 61.7°F
Dec 2 60.6°F 60.0°F 61.4°F
Dec 3 60.6°F 60.1°F 61.1°F
Dec 4 60.9°F 58.5°F 60.7°F
Dec 5 61.4°F 60.3°F 60.9°F
Dec 6 61.4°F 60.7°F 60.9°F
Dec 7 61.2°F 60.6°F 60.8°F
Dec 8 60.6°F 60.5°F 60.1°F
Dec 9 60.1°F 59.7°F 59.6°F
Dec 10 60.0°F 59.4°F 59.5°F
Dec 11 59.5°F 59.0°F 59.1°F
Dec 12 59.7°F 59.0°F 59.3°F
Dec 13 59.5°F 58.4°F 59.0°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 55.0°F in Winter, 60.2°F in Spring, 77.6°F in Summer, and 71.7°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Kawasaki 62.4°F 12mi
Matsudo 59.9°F 13mi
Honchō 59.9°F 17mi
Yokohama 63.5°F 18mi
Chiba 60.6°F 25mi
Ichihara 60.9°F 25mi
Kisarazu 63.5°F 25mi
Kimitsu 63.8°F 25mi
Fujisawa 68.0°F 26mi
Futtsu 65.2°F 27mi

* current water temperature in this city

** straight line distance from Tokyo