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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

56.4

°F

December 30, 22:22

Trend:

increasing

Yesterday:

56.0°F

Tomorrow:

56.6°F

Sunrise:

06:50

Sunset:

16:37

Day Length:

9 h. 47 min.

Yokohama in January

Minimum:

54.1°F

Average:

57.1°F

Maximum:

60.2°F

Sea water temperature in Yokohama today

As of now, in Yokohama, the water temperature is 56.4°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 1.0°F lower 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 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 60.4°F on 2015, while the historical minimum was 54.9°F on 2021.

Observations from the last two weeks indicate that the water temperature was in proximity to the lowest values recorded on those days in the past. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 55.8°F, the minimum temperature may reach 55.3°F, and the maximum might stay at 56.6°F.

Daily water temperature in Yokohama

Date Current Year

actual* / forecast**

 last year 10 years average
Jan 1 56.1°F 56.3°F 57.1°F
Jan 2 55.9°F 56.2°F 56.9°F
Jan 3 55.5°F 57.3°F 56.5°F
Jan 4 56.0°F 58.0°F 56.9°F
Jan 5 55.3°F 57.9°F 56.2°F
Jan 6 55.5°F 57.8°F 56.5°F
Dec 16 59.4°F 59.7°F 60.4°F
Dec 17 57.7°F 58.6°F 60.1°F
Dec 18 59.1°F 59.4°F 60.0°F
Dec 19 57.1°F 59.5°F 59.5°F
Dec 20 56.4°F 59.3°F 59.3°F
Dec 21 57.1°F 59.2°F 59.1°F
Dec 22 57.7°F 59.6°F 59.3°F
Dec 23 58.3°F 58.6°F 59.0°F
Dec 24 58.5°F 60.4°F 59.1°F
Dec 25 59.0°F 58.7°F 58.8°F
Dec 26 56.4°F 59.4°F 58.5°F
Dec 27 56.2°F 61.0°F 58.5°F
Dec 28 56.6°F 60.5°F 58.3°F
Dec 29 56.0°F 59.0°F 57.9°F
Dec 30 56.4°F 58.6°F 57.4°F
Dec 31 56.6°F 58.3°F 57.6°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 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 53.9°F 7mi
Yokosuka 60.5°F 10mi
Fujisawa 64.0°F 11mi
Futtsu 57.7°F 13mi
Kimitsu 56.2°F 14mi
Kisarazu 56.4°F 16mi
Tokyo 53.0°F 18mi
Ichihara 54.4°F 25mi
Honchō 52.2°F 26mi
Matsudo 52.2°F 28mi

* current water temperature in this city

** straight line distance from Yokohama