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

76.8

°F

September 21, 04:37

Trend:

decreasing

Yesterday:

77.0°F

Tomorrow:

76.2°F

Sunrise:

05:28

Sunset:

17:41

Day Length:

12 h. 13 min.

Yokohama in September

Minimum:

53.8°F

Average:

55.6°F

Maximum:

58.4°F

Sea water temperature in Yokohama today

As of now, in Yokohama, the water temperature is 76.8°F. It's safe to say that the water is comfortably warm for various water-related activities. 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 fall a bit.

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 also falls within the range of the average temperature recorded for this date, suggesting a consistent weather trend. The maximum temperature recorded for this date was 84.4°F on 2024, while the historical minimum was 75.2°F on 2019.

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 75.1°F, the minimum temperature may reach 74.2°F, and the maximum might stay at 76.2°F.

Daily water temperature in Yokohama

Date Current Year

actual* / forecast**

last year 10 years average
Sep 7 79.3°F 81.0°F 80.6°F
Sep 8 79.9°F 81.7°F 80.5°F
Sep 9 78.6°F 83.2°F 80.3°F
Sep 10 78.0°F 83.7°F 80.2°F
Sep 11 77.9°F 83.0°F 80.0°F
Sep 12 77.8°F 82.8°F 79.9°F
Sep 13 77.8°F 81.5°F 79.7°F
Sep 14 79.6°F 81.2°F 79.8°F
Sep 15 79.4°F 82.2°F 79.9°F
Sep 16 78.7°F 80.8°F 79.4°F
Sep 17 79.8°F 81.9°F 79.3°F
Sep 18 77.7°F 82.4°F 79.2°F
Sep 19 77.7°F 81.8°F 78.7°F
Sep 20 77.0°F 81.3°F 78.5°F
Sep 21 76.8°F 81.6°F 78.3°F
Sep 22 76.2°F 81.0°F 77.7°F
Sep 23 75.8°F 79.2°F 77.3°F
Sep 24 75.6°F 78.2°F 77.1°F
Sep 25 75.1°F 77.4°F 76.6°F
Sep 26 74.8°F 76.4°F 76.4°F
Sep 27 74.3°F 77.0°F 75.9°F
Sep 28 74.2°F 75.8°F 75.7°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 72.0°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Kawasaki 76.1°F 7mi
Yokosuka 76.0°F 10mi
Fujisawa 77.6°F 11mi
Futtsu 76.0°F 13mi
Kimitsu 76.1°F 14mi
Kisarazu 76.4°F 16mi
Tokyo 76.3°F 18mi
Ichihara 77.6°F 25mi
Honchō 77.3°F 26mi
Matsudo 77.1°F 28mi

* current water temperature in this city

** straight line distance from Yokohama