What is the current water temperature in Tokyo?

Q: What is the current water temperature in Tokyo?

As of now, in Tokyo, the water temperature is 18.45°C. Swimming in water of this temperature is generally concidered to be cool, and most people won't really enjoy it.

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.

65.2

°F

November 5, 07:47

Trend:

decreasing

Yesterday:

65.6°F

Tomorrow:

65.1°F

Sunrise:

06:06

Sunset:

16:43

Day Length:

10 h. 37 min.

Tokyo in November

Minimum:

51.7°F

Average:

54.0°F

Maximum:

57.7°F

Sea water temperature in Tokyo today

As of now, in Tokyo, the water temperature is 65.2°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 1.5°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 stay about the same.

Recent sea temperature and forecast

Today's water temperature is considerably lower than the average registered over the last two weeks, indicating a slight cooling trend. It is also close to the historical minimum temperature for this date. The maximum temperature recorded for this date was 67.7°F on 2023, while the historical minimum was 65.6°F on 2021.

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 histoorical minimum and others when it was close to the historical maximum. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 64.7°F, the minimum temperature may reach 64.1°F, and the maximum might stay at 65.1°F.

Daily water temperature in Tokyo

Date	Current Year actual* / forecast**	last year	10 years average
Oct 22	73.0°F	70.8°F	69.7°F
Oct 23	72.5°F	71.3°F	69.2°F
Oct 24	72.1°F	72.4°F	69.1°F
Oct 25	71.8°F	72.1°F	69.0°F
Oct 26	71.3°F	71.8°F	68.7°F
Oct 27	70.8°F	71.9°F	68.6°F
Oct 28	70.6°F	71.7°F	68.7°F
Oct 29	70.4°F	71.6°F	68.9°F
Oct 30	70.6°F	71.5°F	68.6°F
Oct 31	70.8°F	70.0°F	68.4°F
Nov 1	68.9°F	69.6°F	67.7°F
Nov 2	66.3°F	69.5°F	67.4°F
Nov 3	66.6°F	68.7°F	67.1°F
Nov 4	65.6°F	69.3°F	67.0°F
Nov 5	65.2°F	66.3°F	66.7°F
Nov 6	65.1°F	66.4°F	66.6°F
Nov 7	65.1°F	66.4°F	66.6°F
Nov 8	65.0°F	66.5°F	66.5°F
Nov 9	64.7°F	66.2°F	66.2°F
Nov 10	64.5°F	66.0°F	66.0°F
Nov 11	64.1°F	65.6°F	65.5°F
Nov 12	64.1°F	65.6°F	65.5°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 71.8°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Kawasaki	66.1°F	12mi
Matsudo	64.5°F	13mi
Honchō	64.5°F	17mi
Yokohama	67.1°F	18mi
Chiba	65.0°F	25mi
Ichihara	65.2°F	25mi
Kisarazu	66.6°F	25mi
Kimitsu	66.5°F	25mi
Fujisawa	70.0°F	26mi
Futtsu	67.1°F	27mi

* current water temperature in this city

** straight line distance from Tokyo