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

61.6

°F

December 22, 14:41

Trend:

decreasing

Yesterday:

61.7°F

Tomorrow:

61.3°F

Sunrise:

06:47

Sunset:

16:33

Day Length:

9 h. 46 min.

Yokosuka in December

Minimum:

55.9°F

Average:

58.0°F

Maximum:

60.0°F

Sea water temperature in Yokosuka today

As of now, in Yokosuka, the water temperature is 61.6°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 about the same as 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 considerably lower than the average registered over the last two weeks, indicating a slight cooling 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 64.1°F on 2015, while the historical minimum was 57.6°F on 2021.

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 maximum recorded over the past years. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 61.2°F, the minimum temperature may reach 60.8°F, and the maximum might stay at 61.3°F.

Daily water temperature in Yokosuka

Date Current Year

actual* / forecast**

last year 10 years average
Dec 8 64.8°F 61.8°F 63.4°F
Dec 9 65.4°F 61.8°F 63.2°F
Dec 10 64.8°F 62.9°F 63.0°F
Dec 11 63.6°F 61.4°F 62.9°F
Dec 12 62.5°F 61.6°F 63.0°F
Dec 13 62.9°F 61.9°F 62.8°F
Dec 14 62.3°F 62.9°F 62.3°F
Dec 15 63.5°F 63.0°F 62.7°F
Dec 16 62.4°F 63.8°F 62.6°F
Dec 17 61.2°F 62.9°F 62.3°F
Dec 18 63.2°F 62.5°F 62.3°F
Dec 19 62.5°F 62.5°F 62.1°F
Dec 20 62.4°F 62.2°F 61.9°F
Dec 21 61.7°F 60.2°F 61.6°F
Dec 22 61.6°F 60.8°F 61.5°F
Dec 23 61.3°F 60.3°F 61.2°F
Dec 24 61.3°F 60.2°F 61.1°F
Dec 25 61.3°F 60.5°F 61.2°F
Dec 26 61.2°F 60.9°F 61.1°F
Dec 27 61.3°F 58.9°F 61.2°F
Dec 28 61.0°F 59.1°F 60.9°F
Dec 29 60.8°F 59.6°F 60.7°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 99 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 59.5°F in Winter, 61.0°F in Spring, 75.8°F in Summer, and 72.4°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Futtsu 60.6°F 9mi
Yokohama 59.4°F 10mi
Fujisawa 64.3°F 12mi
Kimitsu 59.9°F 12mi
Kisarazu 60.0°F 16mi
Kawasaki 58.3°F 17mi
Tokyo 57.4°F 28mi
Ichihara 57.2°F 28mi
Odawara 64.3°F 29mi
Chiba 56.7°F 33mi

* current water temperature in this city

** straight line distance from Yokosuka