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

58.2

°F

February 21, 17:42

Trend:

stable

Yesterday:

57.5°F

Tomorrow:

58.1°F

Sunrise:

06:22

Sunset:

17:29

Day Length:

11 h. 7 min.

Yokosuka in February

Minimum:

57.2°F

Average:

60.3°F

Maximum:

62.4°F

Sea water temperature in Yokosuka today

As of now, in Yokosuka, the water temperature is 58.2°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 0.7°F higher 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 reading indicates a minor change compared to the average water temperature of the last two weeks, but the overall trend remains steady. 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 59.2°F on 2024, while the historical minimum was 55.1°F on 2018.

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 histoorical minimum and others when it was close to the historical maximum. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 57.7°F, the minimum temperature may reach 57.4°F, and the maximum might stay at 58.1°F.

Daily water temperature in Yokosuka

Date Current Year

actual* / forecast**

last year 10 years average
Feb 7 59.5°F 59.0°F 58.6°F
Feb 8 59.5°F 58.8°F 58.7°F
Feb 9 59.1°F 58.3°F 58.2°F
Feb 10 59.2°F 58.3°F 58.2°F
Feb 11 59.4°F 58.3°F 58.2°F
Feb 12 58.3°F 57.7°F 58.1°F
Feb 13 59.7°F 58.2°F 58.0°F
Feb 14 58.7°F 58.4°F 57.6°F
Feb 15 59.5°F 57.4°F 57.6°F
Feb 16 54.6°F 57.3°F 57.3°F
Feb 17 55.8°F 60.1°F 57.9°F
Feb 18 56.2°F 59.7°F 57.9°F
Feb 19 58.4°F 58.8°F 57.9°F
Feb 20 57.5°F 58.4°F 57.6°F
Feb 21 58.2°F 57.9°F 57.5°F
Feb 22 58.1°F 58.7°F 57.4°F
Feb 23 57.8°F 59.9°F 57.1°F
Feb 24 57.4°F 57.7°F 56.7°F
Feb 25 57.4°F 57.2°F 56.7°F
Feb 26 57.5°F 55.4°F 56.8°F
Feb 27 57.6°F 55.4°F 56.9°F
Feb 28 57.8°F 57.2°F 57.1°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 58.8°F 9mi
Yokohama 58.8°F 10mi
Fujisawa 58.3°F 12mi
Kimitsu 59.3°F 12mi
Kisarazu 58.9°F 16mi
Kawasaki 60.1°F 17mi
Tokyo 60.3°F 28mi
Ichihara 57.9°F 28mi
Odawara 58.5°F 29mi
Chiba 57.5°F 33mi

* current water temperature in this city

** straight line distance from Yokosuka