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

82.4

°F

August 30, 04:23

Trend:

decreasing

Yesterday:

82.9°F

Tomorrow:

82.2°F

Sunrise:

05:11

Sunset:

18:12

Day Length:

13 h. 1 min.

Yokohama in September

Minimum:

53.8°F

Average:

55.7°F

Maximum:

58.4°F

Sea water temperature in Yokohama today

As of now, in Yokohama, the water temperature is 82.4°F. Swimming in water of this temperature is considered highly warm and would be enjoyable for everyone. At this temperature, you can comfortably engage in water-based activities for extended periods without experiencing discomfort. Today's reading is 1.3°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

Today's water temperature is slightly lower than the average registered over the last two weeks, indicating a slight cooling trend. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 83.3°F on 2020, while the historical minimum was 77.9°F on 2015.

Over the last two weeks, the water temperature has stayed slightly above than historical averages for those days. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 81.9°F, the minimum temperature may reach 81.5°F, and the maximum might stay at 82.2°F.

Daily water temperature in Yokohama

Date Current Year

actual* / forecast**

last year 10 years average
Aug 16 81.6°F 83.9°F 81.5°F
Aug 17 82.2°F 84.2°F 81.4°F
Aug 18 82.3°F 84.8°F 81.0°F
Aug 19 82.7°F 84.6°F 81.3°F
Aug 20 82.4°F 84.5°F 81.5°F
Aug 21 83.5°F 84.6°F 81.6°F
Aug 22 82.5°F 84.2°F 81.6°F
Aug 23 81.8°F 83.9°F 81.5°F
Aug 24 83.5°F 83.6°F 81.3°F
Aug 25 83.2°F 83.1°F 81.4°F
Aug 26 83.9°F 83.2°F 81.5°F
Aug 27 84.0°F 83.6°F 81.9°F
Aug 28 83.3°F 83.3°F 81.9°F
Aug 29 82.9°F 82.4°F 81.5°F
Aug 30 82.4°F 82.1°F 81.1°F
Aug 31 82.2°F 81.8°F 80.9°F
Sep 1 82.1°F 81.3°F 80.8°F
Sep 2 82.2°F 82.7°F 80.8°F
Sep 3 82.1°F 82.4°F 80.8°F
Sep 4 81.5°F 81.6°F 80.2°F
Sep 5 81.8°F 81.4°F 80.4°F
Sep 6 81.7°F 81.5°F 80.4°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 Yokohama by month

In Yokohama, the months July through September offer comfortable swimming conditions, which amounts to 103 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 56.7°F in Winter, 60.4°F in Spring, 76.9°F in Summer, and 71.9°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Kawasaki 83.2°F 7mi
Yokosuka 80.0°F 10mi
Fujisawa 81.4°F 11mi
Futtsu 81.4°F 13mi
Kimitsu 82.4°F 14mi
Kisarazu 83.0°F 16mi
Tokyo 83.9°F 18mi
Ichihara 87.1°F 25mi
Honchō 85.1°F 26mi
Matsudo 85.1°F 28mi

* current water temperature in this city

** straight line distance from Yokohama