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

79.4

°F

September 7, 00:17

Trend:

stable

Yesterday:

79.4°F

Tomorrow:

79.3°F

Sunrise:

05:17

Sunset:

18:01

Day Length:

12 h. 44 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 79.4°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 1.3°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 83.4°F on 2023, while the historical minimum was 77.1°F on 2017.

Over the past two weeks, the water temperature has closely aligned with historical averages for those days. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 78.9°F, the minimum temperature may reach 78.5°F, and the maximum might stay at 79.3°F.

Daily water temperature in Yokohama

Date Current Year

actual* / forecast**

last year 10 years average
Aug 24 81.7°F 83.5°F 81.5°F
Aug 25 82.3°F 83.2°F 81.8°F
Aug 26 82.2°F 83.9°F 81.9°F
Aug 27 80.1°F 84.0°F 82.1°F
Aug 28 81.7°F 83.3°F 82.2°F
Aug 29 81.4°F 82.9°F 82.0°F
Aug 30 81.5°F 82.4°F 81.5°F
Aug 31 81.2°F 85.2°F 81.6°F
Sep 1 80.6°F 84.9°F 81.4°F
Sep 2 80.9°F 83.4°F 81.3°F
Sep 3 81.2°F 83.7°F 81.3°F
Sep 4 81.2°F 82.2°F 80.7°F
Sep 5 80.5°F 81.6°F 80.8°F
Sep 6 79.4°F 81.0°F 80.7°F
Sep 7 79.4°F 81.0°F 80.7°F
Sep 8 79.3°F 81.7°F 80.6°F
Sep 9 79.2°F 83.2°F 80.5°F
Sep 10 79.1°F 83.7°F 80.4°F
Sep 11 78.9°F 83.0°F 80.3°F
Sep 12 78.8°F 82.8°F 80.1°F
Sep 13 78.6°F 81.5°F 79.9°F
Sep 14 78.5°F 81.2°F 79.8°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 79.6°F 7mi
Yokosuka 78.7°F 10mi
Fujisawa 79.0°F 11mi
Futtsu 79.3°F 13mi
Kimitsu 79.7°F 14mi
Kisarazu 79.7°F 16mi
Tokyo 79.8°F 18mi
Ichihara 80.4°F 25mi
Honchō 79.9°F 26mi
Matsudo 79.9°F 28mi

* current water temperature in this city

** straight line distance from Yokohama