All data are in degrees Fahrenheit

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Japan > Yokohama

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

56.8

°F

March 21, 00:30

Trend:

increasing

Yesterday:

56.1°F

Tomorrow:

57.0°F

Sunrise:

05:45

Sunset:

17:53

Day Length:

12 h. 8 min.

Yokohama in March

Minimum:

52.8°F

Average:

56.2°F

Maximum:

59.7°F

Sea water temperature in Yokohama today

As of now, in Yokohama, the water temperature is 56.8°F. Swimming in water of this temperature is considered as extremely cold, and there's a substantial risk of hypothermia if exposed for more than a brief duration. Today's reading is 0.3°F higher than the average recorded on this particular day in recent years. Since yesterday, there was a slight increase in temperature. This indicates a warming trend over the past day. According to the forecast, we expect the temperature to rise a bit.

Recent sea temperature and forecast

Today's water temperature is notably higher than the average recorded over the past two weeks, indicating a significant warming 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 59.4°F on 2023, while the historical minimum was 55.2°F on 2024.

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 histoorical minimum and others when it was close to the historical maximum. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 57.4°F, with minimum temperature starting at 57.0°F, while the maximum might reach 57.8°F.

Daily water temperature in Yokohama

Date Current Year

actual* / forecast**

 last year 10 years average
Mar 7 56.6°F 53.6°F 54.5°F
Mar 8 53.7°F 53.7°F 54.2°F
Mar 9 52.9°F 54.3°F 54.6°F
Mar 10 53.0°F 54.8°F 54.6°F
Mar 11 52.4°F 55.0°F 54.3°F
Mar 12 52.8°F 55.1°F 54.2°F
Mar 13 52.6°F 55.4°F 54.7°F
Mar 14 55.6°F 55.4°F 54.9°F
Mar 15 55.7°F 53.7°F 54.7°F
Mar 16 56.0°F 54.1°F 54.8°F
Mar 17 56.3°F 53.9°F 55.4°F
Mar 18 56.1°F 54.6°F 55.6°F
Mar 19 56.7°F 55.1°F 55.6°F
Mar 20 56.1°F 55.8°F 55.8°F
Mar 21 56.8°F 56.2°F 56.5°F
Mar 22 57.0°F 57.3°F 56.7°F
Mar 23 57.3°F 57.0°F 57.0°F
Mar 24 57.3°F 56.0°F 57.0°F
Mar 25 57.8°F 58.1°F 57.4°F
Mar 26 57.7°F 56.4°F 57.4°F
Mar 27 57.2°F 56.5°F 56.9°F
Mar 28 57.6°F 57.4°F 57.3°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

January

February

March

April

May

June

July

August

September

October

November

December

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, 60.5°F in Spring, 77.1°F in Summer, and 72.1°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Kawasaki 56.1°F 7mi
Yokosuka 57.6°F 10mi
Fujisawa 58.4°F 11mi
Futtsu 57.0°F 13mi
Kimitsu 56.5°F 14mi
Kisarazu 56.1°F 16mi
Tokyo 54.8°F 18mi
Ichihara 54.8°F 25mi
Honchō 52.7°F 26mi
Matsudo 52.7°F 28mi

* current water temperature in this city

** straight line distance from Yokohama