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

80.5

°F

September 17, 06:55

Trend:

decreasing

Yesterday:

80.8°F

Tomorrow:

80.4°F

Sunrise:

05:25

Sunset:

17:47

Day Length:

12 h. 22 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 80.5°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 1.8°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 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 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 82.5°F on 2023, while the historical minimum was 75.3°F on 2015.

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 shows a gradual cooling trend. The average temperature is expected to be 79.4°F, the minimum temperature may reach 78.5°F, and the maximum might stay at 80.4°F.

Daily water temperature in Yokohama

Date Current Year

actual* / forecast**

last year 10 years average
Sep 3 83.7°F 82.4°F 81.1°F
Sep 4 82.2°F 81.6°F 80.4°F
Sep 5 81.6°F 81.4°F 80.5°F
Sep 6 81.0°F 81.5°F 80.4°F
Sep 7 81.0°F 82.0°F 80.4°F
Sep 8 81.7°F 81.6°F 80.3°F
Sep 9 83.2°F 81.8°F 80.2°F
Sep 10 83.7°F 83.4°F 80.1°F
Sep 11 83.0°F 83.4°F 80.0°F
Sep 12 82.8°F 84.5°F 79.8°F
Sep 13 81.5°F 84.2°F 79.6°F
Sep 14 81.2°F 81.9°F 79.4°F
Sep 15 82.2°F 82.3°F 79.5°F
Sep 16 80.8°F 82.9°F 78.9°F
Sep 17 80.5°F 82.3°F 78.6°F
Sep 18 80.4°F 83.2°F 78.5°F
Sep 19 79.8°F 82.3°F 78.0°F
Sep 20 79.7°F 83.8°F 77.8°F
Sep 21 79.5°F 84.4°F 77.6°F
Sep 22 78.9°F 83.3°F 77.1°F
Sep 23 78.7°F 81.7°F 76.8°F
Sep 24 78.5°F 80.3°F 76.7°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 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 81.4°F 7mi
Yokosuka 78.5°F 10mi
Fujisawa 79.6°F 11mi
Futtsu 79.2°F 13mi
Kimitsu 80.2°F 14mi
Kisarazu 80.5°F 16mi
Tokyo 81.9°F 18mi
Ichihara 82.5°F 25mi
Honchō 82.1°F 26mi
Matsudo 82.1°F 28mi

* current water temperature in this city

** straight line distance from Yokohama