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

66.7

°F

May 4, 00:52

Trend:

stable

Yesterday:

66.3°F

Tomorrow:

66.7°F

Sunrise:

04:48

Sunset:

18:29

Day Length:

13 h. 41 min.

Yokohama in May

Minimum:

53.3°F

Average:

56.0°F

Maximum:

60.1°F

Sea water temperature in Yokohama today

As of now, in Yokohama, the water temperature is 66.7°F. Swimming in water of this temperature is seen as relatively warm and enjoyable for some individuals, although many might find it slightly too cool. Today's reading is 2.4°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 stay about the same.

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 is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 66.3°F on 2024, while the historical minimum was 62.2°F on 2022.

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. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 67.0°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Yokohama

Date Current Year

actual* / forecast**

 last year 10 years average
Apr 20 62.1°F 60.7°F 61.0°F
Apr 21 63.1°F 62.2°F 61.6°F
Apr 22 63.4°F 62.9°F 61.9°F
Apr 23 64.1°F 62.5°F 62.0°F
Apr 24 63.6°F 62.2°F 61.9°F
Apr 25 64.3°F 62.0°F 61.8°F
Apr 26 63.4°F 61.9°F 62.2°F
Apr 27 65.5°F 61.1°F 62.2°F
Apr 28 64.3°F 64.0°F 62.4°F
Apr 29 63.0°F 63.9°F 62.6°F
Apr 30 63.4°F 63.4°F 62.5°F
May 1 64.5°F 62.2°F 63.1°F
May 2 65.4°F 62.5°F 63.1°F
May 3 66.3°F 64.5°F 63.9°F
May 4 66.7°F 65.5°F 64.3°F
May 5 66.7°F 64.2°F 64.3°F
May 6 66.9°F 64.2°F 64.5°F
May 7 67.0°F 64.1°F 64.6°F
May 8 66.8°F 64.7°F 64.4°F
May 9 67.2°F 65.2°F 64.8°F
May 10 67.2°F 65.3°F 64.8°F
May 11 67.1°F 65.1°F 64.7°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

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, 60.6°F in Spring, 77.1°F in Summer, and 72.1°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Kawasaki 68.1°F 7mi
Yokosuka 65.5°F 10mi
Fujisawa 67.0°F 11mi
Futtsu 66.5°F 13mi
Kimitsu 66.6°F 14mi
Kisarazu 66.5°F 16mi
Tokyo 68.6°F 18mi
Ichihara 65.5°F 25mi
Honchō 67.8°F 26mi
Matsudo 67.8°F 28mi

* current water temperature in this city

** straight line distance from Yokohama