All data are in degrees Fahrenheit

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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

64.0

°F

April 22, 12:37

Trend:

stable

Yesterday:

63.7°F

Tomorrow:

64.0°F

Sunrise:

05:01

Sunset:

18:19

Day Length:

13 h. 18 min.

Yokosuka in April

Minimum:

56.8°F

Average:

60.3°F

Maximum:

62.7°F

Sea water temperature in Yokosuka today

As of now, in Yokosuka, the water temperature is 64.0°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 2.3°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 water temperature is notably higher than the average recorded over the past two weeks, indicating a significant warming trend. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 62.8°F on 2022, while the historical minimum was 59.1°F on 2017.

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. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 64.2°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
Apr 8 59.4°F 56.8°F 59.0°F
Apr 9 58.1°F 57.8°F 59.0°F
Apr 10 58.9°F 58.8°F 59.4°F
Apr 11 60.1°F 59.1°F 59.6°F
Apr 12 60.2°F 59.4°F 60.0°F
Apr 13 60.7°F 59.5°F 59.8°F
Apr 14 60.3°F 59.8°F 59.7°F
Apr 15 60.3°F 59.5°F 60.0°F
Apr 16 60.6°F 59.9°F 60.3°F
Apr 17 60.3°F 59.3°F 60.5°F
Apr 18 60.9°F 59.4°F 61.0°F
Apr 19 61.6°F 59.1°F 61.1°F
Apr 20 62.0°F 60.6°F 61.1°F
Apr 21 63.7°F 61.3°F 61.4°F
Apr 22 64.0°F 61.2°F 61.7°F
Apr 23 64.0°F 61.3°F 61.7°F
Apr 24 63.8°F 61.4°F 61.5°F
Apr 25 63.8°F 61.5°F 61.5°F
Apr 26 64.4°F 61.9°F 62.1°F
Apr 27 64.5°F 62.2°F 62.2°F
Apr 28 64.3°F 63.7°F 62.1°F
Apr 29 64.5°F 62.3°F 62.2°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 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 March 2, 2026, dipping to 51.8°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 63.4°F 9mi
Yokohama 63.4°F 10mi
Fujisawa 65.4°F 12mi
Kimitsu 62.7°F 12mi
Kisarazu 62.5°F 16mi
Kawasaki 64.2°F 17mi
Tokyo 65.2°F 28mi
Ichihara 62.8°F 28mi
Odawara 63.8°F 29mi
Chiba 63.8°F 33mi

* current water temperature in this city

** straight line distance from Yokosuka