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 9.78°C. 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.

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.

49.6

°F

January 1, 00:14

Trend:

decreasing

Yesterday:

49.8°F

Tomorrow:

49.3°F

Sunrise:

07:00

Sunset:

16:17

Day Length:

9 h. 17 min.

Yokohama in January

Minimum:

43.2°F

Average:

48.8°F

Maximum:

52.0°F

Sea water temperature in Yokohama today

As of now, in Yokohama, the water temperature is 49.6°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 0.8°F higher 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 fall a bit.

Recent sea temperature and forecast

Today's water temperature is slightly 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 52.0°F on 2018, while the historical minimum was 43.2°F on 2021.

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 48.7°F, the minimum temperature may reach 48.3°F, and the maximum might stay at 49.3°F.

Daily water temperature in Yokohama

Date	Current Year actual* / forecast**	last year	10 years average
Jan 1	49.6°F	48.5°F	48.8°F
Jan 2	49.3°F	48.6°F	48.5°F
Jan 3	48.8°F	46.6°F	48.0°F
Jan 4	49.2°F	47.4°F	48.3°F
Jan 5	48.5°F	47.8°F	47.7°F
Jan 6	48.4°F	48.7°F	47.6°F
Jan 7	48.4°F	48.7°F	47.6°F
Jan 8	48.3°F	47.8°F	47.5°F
Dec 18	51.8°F	51.6°F	51.4°F
Dec 19	51.1°F	50.5°F	51.1°F
Dec 20	51.4°F	50.5°F	50.8°F
Dec 21	51.2°F	50.4°F	50.7°F
Dec 22	49.7°F	49.0°F	50.3°F
Dec 23	49.7°F	49.6°F	50.2°F
Dec 24	49.6°F	48.4°F	49.9°F
Dec 25	49.6°F	49.5°F	50.1°F
Dec 26	49.7°F	48.2°F	49.9°F
Dec 27	50.3°F	48.8°F	49.8°F
Dec 28	50.7°F	49.3°F	49.7°F
Dec 29	49.2°F	48.5°F	49.5°F
Dec 30	49.4°F	48.2°F	49.1°F
Dec 31	49.8°F	48.4°F	49.0°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, August is the only month that offers comfortable swimming conditions. The amount of days when the water is warm enough is only 44.

The warmest water in Yokohama was recorded on August 6, 2023, reaching a 82.5°F. While the coldest temperature occurred on January 5, 2021, dipping to 38.4°F. The average readings by season are 47.3°F in Winter, 47.4°F in Spring, 67.8°F in Summer, and 66.1°F in Autumn.