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 6.45°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.

43.6

°F

April 1, 04:23

Trend:

stable

Yesterday:

43.6°F

Tomorrow:

43.7°F

Sunrise:

05:20

Sunset:

17:59

Day Length:

12 h. 39 min.

Yokohama in April

Minimum:

42.2°F

Average:

48.3°F

Maximum:

51.6°F

Sea water temperature in Yokohama today

As of now, in Yokohama, the water temperature is 43.6°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 0.9°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 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 46.9°F on 2023, while the historical minimum was 42.4°F on 2017.

latest data

last year

Over the last two weeks, the water temperature has stayed slightly lower than historical averages for those days. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 44.0°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
Mar 18	42.2°F	44.6°F	43.0°F
Mar 19	42.1°F	44.5°F	43.3°F
Mar 20	41.6°F	44.1°F	42.3°F
Mar 21	42.1°F	45.0°F	43.4°F
Mar 22	42.0°F	44.8°F	43.2°F
Mar 23	40.8°F	44.6°F	43.2°F
Mar 24	41.5°F	43.8°F	42.9°F
Mar 25	43.1°F	43.4°F	43.0°F
Mar 26	43.3°F	43.7°F	43.3°F
Mar 27	44.3°F	44.6°F	44.6°F
Mar 28	43.0°F	44.6°F	44.3°F
Mar 29	42.5°F	45.1°F	43.6°F
Mar 30	42.9°F	45.0°F	43.8°F
Mar 31	43.6°F	45.2°F	44.5°F
Apr 1	43.6°F	44.6°F	44.5°F
Apr 2	43.7°F	43.9°F	44.5°F
Apr 3	43.3°F	43.4°F	44.2°F
Apr 4	43.7°F	43.8°F	44.5°F
Apr 5	44.1°F	44.8°F	44.9°F
Apr 6	44.1°F	44.3°F	45.0°F
Apr 7	44.3°F	45.6°F	45.1°F
Apr 8	44.7°F	47.7°F	45.6°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, August is the only month that offers comfortable swimming conditions. The amount of days when the water is warm enough is only 49.

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, 47.5°F in Spring, 67.9°F in Summer, and 66.3°F in Autumn.