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

65.8

°F

July 1, 12:48

Trend:

increasing

Yesterday:

65.7°F

Tomorrow:

66.1°F

Sunrise:

04:06

Sunset:

19:11

Day Length:

15 h. 5 min.

Yokohama in July

Minimum:

39.6°F

Average:

47.6°F

Maximum:

51.1°F

Sea water temperature in Yokohama today

As of now, in Yokohama, the water temperature is 65.8°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 2.0°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 rise 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 is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 67.5°F on 2023, while the historical minimum was 59.7°F on 2018.

Over the last two weeks, the water temperature has stayed slightly above than historical averages for those days. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 67.0°F, with minimum temperature starting at 66.1°F, while the maximum might reach 67.7°F.

Daily water temperature in Yokohama

Date Current Year

actual* / forecast**

last year 10 years average
Jun 17 61.9°F 64.2°F 60.9°F
Jun 18 62.3°F 63.9°F 61.2°F
Jun 19 62.9°F 64.9°F 61.4°F
Jun 20 64.3°F 65.8°F 61.5°F
Jun 21 64.8°F 67.2°F 62.2°F
Jun 22 64.2°F 67.0°F 62.0°F
Jun 23 64.2°F 66.8°F 62.1°F
Jun 24 65.6°F 66.3°F 62.2°F
Jun 25 67.2°F 65.9°F 62.3°F
Jun 26 66.7°F 66.6°F 63.3°F
Jun 27 66.8°F 66.9°F 63.1°F
Jun 28 66.1°F 65.9°F 63.1°F
Jun 29 67.3°F 65.0°F 63.2°F
Jun 30 65.7°F 66.6°F 63.7°F
Jul 1 65.8°F 67.3°F 63.7°F
Jul 2 66.1°F 67.6°F 64.1°F
Jul 3 66.7°F 67.8°F 64.6°F
Jul 4 66.8°F 68.1°F 64.8°F
Jul 5 67.0°F 68.8°F 65.0°F
Jul 6 67.7°F 68.5°F 65.7°F
Jul 7 67.4°F 69.7°F 65.4°F
Jul 8 67.2°F 69.5°F 65.2°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, August is the only month that offers comfortable swimming conditions. The amount of days when the water is warm enough is only 35.
The warmest water in Yokohama was recorded on August 6, 2023, reaching a 82.5°F. While the coldest temperature occurred on January 5, 2021, dipping to 38.4°F. The average readings by season are 47.3°F in Winter, 47.4°F in Spring, 67.5°F in Summer, and 65.8°F in Autumn.