All data are in degrees Fahrenheit

en
Japan > Yokosuka

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

56.9

°F

January 31, 08:30

Trend:

decreasing

Yesterday:

57.0°F

Tomorrow:

56.9°F

Sunrise:

06:42

Sunset:

17:08

Day Length:

10 h. 26 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 56.9°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 1.2°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 considerably lower than the average registered over the last two weeks, indicating a slight cooling trend. It is also close to the historical minimum temperature for this date. The maximum temperature recorded for this date was 61.4°F on 2021, while the historical minimum was 56.0°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. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 56.8°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Yokosuka

Date Current Year

actual* / forecast**

 last year 10 years average
Jan 17 60.2°F 59.4°F 59.2°F
Jan 18 59.8°F 60.5°F 59.2°F
Jan 19 59.3°F 61.6°F 59.0°F
Jan 20 59.1°F 61.9°F 58.7°F
Jan 21 60.0°F 61.4°F 58.6°F
Jan 22 57.7°F 60.8°F 58.4°F
Jan 23 58.7°F 61.0°F 58.5°F
Jan 24 59.1°F 63.2°F 58.7°F
Jan 25 59.2°F 62.5°F 58.7°F
Jan 26 57.2°F 61.2°F 58.4°F
Jan 27 58.1°F 59.1°F 58.2°F
Jan 28 59.5°F 58.9°F 58.1°F
Jan 29 56.5°F 58.3°F 58.2°F
Jan 30 57.0°F 58.0°F 58.2°F
Jan 31 56.9°F 58.5°F 58.1°F
Feb 1 56.9°F 58.0°F 58.0°F
Feb 2 56.5°F 57.8°F 57.7°F
Feb 3 56.7°F 57.7°F 57.9°F
Feb 4 56.7°F 57.9°F 57.9°F
Feb 5 56.8°F 58.3°F 58.0°F
Feb 6 56.9°F 58.4°F 58.1°F
Feb 7 57.1°F 58.7°F 58.3°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

January

February

March

April

May

June

July

August

September

October

November

December

In Yokosuka, the months July through September offer comfortable swimming conditions, which amounts to 100 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, 75.9°F in Summer, and 72.6°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Futtsu 55.4°F 9mi
Yokohama 55.0°F 10mi
Fujisawa 60.2°F 12mi
Kimitsu 54.3°F 12mi
Kisarazu 54.2°F 16mi
Kawasaki 53.8°F 17mi
Tokyo 52.5°F 28mi
Ichihara 52.7°F 28mi
Odawara 59.6°F 29mi
Chiba 52.0°F 33mi

* current water temperature in this city

** straight line distance from Yokosuka