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 18.14°C. Swimming in water of this temperature is generally concidered to be cool, and most people won't really enjoy it.

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.

64.7

°F

November 16, 07:55

Trend:

decreasing

Yesterday:

64.8°F

Tomorrow:

64.5°F

Sunrise:

06:17

Sunset:

16:35

Day Length:

10 h. 18 min.

Yokohama in November

Minimum:

53.6°F

Average:

55.2°F

Maximum:

58.3°F

Sea water temperature in Yokohama today

As of now, in Yokohama, the water temperature is 64.7°F. Swimming in water of this temperature is generally concidered to be cool, and most people won't really enjoy it. Today's reading is 0.8°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 stay about the same.

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 67.3°F on 2023, while the historical minimum was 63.0°F on 2025.

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 shows a gradual cooling trend. The average temperature is expected to be 63.9°F, the minimum temperature may reach 63.2°F, and the maximum might stay at 64.5°F.

Daily water temperature in Yokohama

Date	Current Year actual* / forecast**	last year	10 years average
Nov 2	70.9°F	67.0°F	68.1°F
Nov 3	69.2°F	67.4°F	68.0°F
Nov 4	68.6°F	67.0°F	67.3°F
Nov 5	68.1°F	67.0°F	67.4°F
Nov 6	66.6°F	67.1°F	67.3°F
Nov 7	66.9°F	65.3°F	67.2°F
Nov 8	66.5°F	65.2°F	66.7°F
Nov 9	66.2°F	65.0°F	66.7°F
Nov 10	66.4°F	65.0°F	66.0°F
Nov 11	65.8°F	64.5°F	66.0°F
Nov 12	65.4°F	61.4°F	65.6°F
Nov 13	65.6°F	62.1°F	65.2°F
Nov 14	65.1°F	62.7°F	65.4°F
Nov 15	64.8°F	63.0°F	65.6°F
Nov 16	64.7°F	63.0°F	65.5°F
Nov 17	64.5°F	62.9°F	65.3°F
Nov 18	64.1°F	62.9°F	64.9°F
Nov 19	64.3°F	63.4°F	65.1°F
Nov 20	64.1°F	61.8°F	64.9°F
Nov 21	63.9°F	62.1°F	64.7°F
Nov 22	63.2°F	60.9°F	64.0°F
Nov 23	63.4°F	62.1°F	64.3°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

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	63.7°F	7mi
Yokosuka	65.7°F	10mi
Fujisawa	69.1°F	11mi
Futtsu	65.6°F	13mi
Kimitsu	65.2°F	14mi
Kisarazu	65.4°F	16mi
Tokyo	63.0°F	18mi
Ichihara	64.4°F	25mi
Honchō	63.1°F	26mi
Matsudo	63.1°F	28mi

* current water temperature in this city

** straight line distance from Yokohama