All data are in degrees Fahrenheit

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Water temperature in Yokohama

Detailed information about the current water temperature in Yokohama. 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 Yokohama now

70.4

°F

May 31, 19:58

Trend:

stable

Yesterday:

69.8°F

Tomorrow:

70.3°F

Sunrise:

04:28

Sunset:

18:50

Day Length:

14 h. 22 min.

Yokohama in June

Minimum:

53.4°F

Average:

56.3°F

Maximum:

59.7°F

Sea water temperature in Yokohama today

As of now, in Yokohama, the water temperature is 70.4°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 1.4°F higher than the average recorded on this particular day in recent years. Since yesterday, there was a slight increase in temperature. This indicates a warming trend over the past day. 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 70.4°F on 2022, while the historical minimum was 67.9°F on 2017.

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 maximum recorded over the past years. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 70.9°F, with minimum temperature starting at 70.3°F, while the maximum might reach 71.4°F.

Daily water temperature in Yokohama

Date Current Year

actual* / forecast**

last year 10 years average
May 17 68.8°F 66.7°F 66.3°F
May 18 70.1°F 67.9°F 67.2°F
May 19 70.1°F 67.8°F 67.6°F
May 20 68.0°F 66.4°F 67.2°F
May 21 66.8°F 66.3°F 67.2°F
May 22 68.4°F 66.5°F 67.5°F
May 23 68.4°F 66.7°F 67.6°F
May 24 68.1°F 66.9°F 67.9°F
May 25 68.9°F 67.0°F 68.3°F
May 26 68.4°F 67.2°F 68.1°F
May 27 70.2°F 67.0°F 68.2°F
May 28 71.8°F 67.3°F 68.3°F
May 29 69.6°F 67.7°F 68.7°F
May 30 69.8°F 68.0°F 68.9°F
May 31 70.4°F 68.2°F 68.9°F
Jun 1 70.3°F 68.3°F 68.8°F
Jun 2 70.5°F 69.5°F 69.0°F
Jun 3 70.9°F 69.6°F 69.4°F
Jun 4 70.9°F 69.6°F 69.5°F
Jun 5 71.1°F 70.1°F 69.7°F
Jun 6 71.4°F 69.5°F 69.9°F
Jun 7 71.4°F 69.4°F 70.0°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 Yokohama by month

In Yokohama, the months July through September offer comfortable swimming conditions, which amounts to 105 swimming days.
The warmest water in Yokohama was recorded on July 30, 2024, reaching a 86.1°F. While the coldest temperature occurred on March 4, 2022, dipping to 49.1°F. The average readings by season are 56.6°F in Winter, 60.6°F in Spring, 77.1°F in Summer, and 72.1°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Kawasaki 70.8°F 7mi
Yokosuka 70.3°F 10mi
Fujisawa 69.9°F 11mi
Futtsu 71.2°F 13mi
Kimitsu 71.2°F 14mi
Kisarazu 71.2°F 16mi
Tokyo 70.8°F 18mi
Ichihara 71.2°F 25mi
Honchō 70.9°F 26mi
Matsudo 70.9°F 28mi

* current water temperature in this city

** straight line distance from Yokohama