What is the current water temperature in Yokohama?

Q: What is the current water temperature in Yokohama?

As of now, in Yokohama, the water temperature is 22.05°C. Swimming in water of this temperature is seen as relatively warm and enjoyable for some individuals, although many might find it slightly too cool.

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.

71.7

°F

June 20, 13:39

Trend:

stable

Yesterday:

72.1°F

Tomorrow:

72.3°F

Sunrise:

04:26

Sunset:

18:59

Day Length:

14 h. 33 min.

Yokohama in June

Minimum:

53.4°F

Average:

56.3°F

Maximum:

59.7°F

Sea water temperature in Yokohama today

As of now, in Yokohama, the water temperature is 71.7°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 0.6°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 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 75.9°F on 2025, while the historical minimum was 69.5°F on 2022.

latest data

last year

Over the past two weeks, the water temperature has closely aligned with historical averages for those days. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 72.2°F, with minimum temperature starting at 71.7°F, while the maximum might reach 73.0°F.

Daily water temperature in Yokohama

Date	Current Year actual* / forecast**	last year	10 years average
Jun 6	69.7°F	69.5°F	69.9°F
Jun 7	69.8°F	69.4°F	70.0°F
Jun 8	70.2°F	69.7°F	70.2°F
Jun 9	69.7°F	69.7°F	70.3°F
Jun 10	70.4°F	69.7°F	70.3°F
Jun 11	70.9°F	69.5°F	70.5°F
Jun 12	70.7°F	69.5°F	70.7°F
Jun 13	69.5°F	70.5°F	70.6°F
Jun 14	71.0°F	70.5°F	70.6°F
Jun 15	70.5°F	70.7°F	70.7°F
Jun 16	70.2°F	74.0°F	71.4°F
Jun 17	70.9°F	75.2°F	71.8°F
Jun 18	70.7°F	76.6°F	72.3°F
Jun 19	72.1°F	78.4°F	72.7°F
Jun 20	71.7°F	75.9°F	72.2°F
Jun 21	72.3°F	77.9°F	72.8°F
Jun 22	71.7°F	75.2°F	72.3°F
Jun 23	71.7°F	74.1°F	72.2°F
Jun 24	71.9°F	73.8°F	72.4°F
Jun 25	71.8°F	73.6°F	72.4°F
Jun 26	72.8°F	76.3°F	73.4°F
Jun 27	73.0°F	77.4°F	73.6°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

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	72.1°F	7mi
Yokosuka	69.8°F	10mi
Fujisawa	72.8°F	11mi
Futtsu	71.3°F	13mi
Kimitsu	72.0°F	14mi
Kisarazu	72.3°F	16mi
Tokyo	71.9°F	18mi
Ichihara	72.4°F	25mi
Honchō	72.7°F	26mi
Matsudo	72.7°F	28mi

* current water temperature in this city

** straight line distance from Yokohama