All data are in degrees Fahrenheit

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Water temperature in Yokosuka

Detailed information about the current water temperature in Yokosuka. 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 Yokosuka now

58.5

°F

January 24, 11:36

Trend:

increasing

Yesterday:

58.2°F

Tomorrow:

58.5°F

Sunrise:

06:46

Sunset:

17:01

Day Length:

10 h. 15 min.

Yokosuka in January

Minimum:

57.2°F

Average:

60.3°F

Maximum:

62.6°F

Sea water temperature in Yokosuka today

As of now, in Yokosuka, the water temperature is 58.5°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 0.3°F lower 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 also aligns closely with the historical average temperature for this date, indicating a typical climate pattern. The maximum temperature recorded for this date was 63.2°F on 2024, while the historical minimum was 56.8°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 minimum recorded over the past years. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 58.0°F, the minimum temperature may reach 57.7°F, and the maximum might stay at 58.5°F.

Daily water temperature in Yokosuka

Date Current Year

actual* / forecast**

last year 10 years average
Jan 10 59.5°F 60.2°F 59.0°F
Jan 11 58.7°F 60.7°F 58.8°F
Jan 12 59.4°F 60.4°F 58.5°F
Jan 13 58.1°F 60.2°F 58.7°F
Jan 14 58.0°F 60.2°F 58.9°F
Jan 15 57.1°F 60.7°F 58.9°F
Jan 16 56.8°F 61.0°F 58.9°F
Jan 17 55.3°F 60.2°F 58.8°F
Jan 18 56.3°F 59.8°F 58.9°F
Jan 19 55.9°F 59.3°F 58.8°F
Jan 20 54.8°F 59.1°F 58.3°F
Jan 21 56.0°F 60.0°F 58.3°F
Jan 22 57.7°F 57.7°F 58.3°F
Jan 23 58.2°F 58.7°F 58.6°F
Jan 24 58.5°F 59.1°F 58.8°F
Jan 25 58.5°F 59.2°F 58.8°F
Jan 26 58.2°F 57.2°F 58.5°F
Jan 27 58.1°F 58.1°F 58.4°F
Jan 28 58.0°F 59.5°F 58.3°F
Jan 29 58.0°F 56.5°F 58.3°F
Jan 30 57.9°F 57.0°F 58.2°F
Jan 31 57.7°F 56.8°F 58.1°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 Yokosuka by month

In Yokosuka, the months July through September offer comfortable swimming conditions, which amounts to 104 swimming days.
The warmest water in Yokosuka was recorded on August 13, 2023, reaching a 84.7°F. While the coldest temperature occurred on February 18, 2018, dipping to 53.4°F. The average readings by season are 59.7°F in Winter, 61.1°F in Spring, 76.2°F in Summer, and 72.7°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Futtsu 56.1°F 9mi
Yokohama 54.0°F 10mi
Fujisawa 59.0°F 12mi
Kimitsu 53.7°F 12mi
Kisarazu 53.3°F 16mi
Kawasaki 51.2°F 17mi
Tokyo 49.8°F 28mi
Ichihara 52.7°F 28mi
Odawara 59.3°F 29mi
Chiba 52.7°F 33mi

* current water temperature in this city

** straight line distance from Yokosuka