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

63.8

°F

May 9, 02:43

Trend:

decreasing

Yesterday:

63.9°F

Tomorrow:

63.8°F

Sunrise:

04:43

Sunset:

18:33

Day Length:

13 h. 50 min.

Yokosuka in May

Minimum:

56.1°F

Average:

59.8°F

Maximum:

62.4°F

Sea water temperature in Yokosuka today

As of now, in Yokosuka, the water temperature is 63.8°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 0.3°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 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 66.0°F on 2024, while the historical minimum was 62.7°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 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 64.1°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 25 61.5°F 61.6°F 61.4°F
Apr 26 61.9°F 65.2°F 62.0°F
Apr 27 62.2°F 64.6°F 62.2°F
Apr 28 63.7°F 62.9°F 62.0°F
Apr 29 62.3°F 62.6°F 62.2°F
Apr 30 61.9°F 63.0°F 62.0°F
May 1 61.5°F 66.1°F 62.5°F
May 2 62.0°F 64.0°F 62.9°F
May 3 62.9°F 64.3°F 63.5°F
May 4 63.9°F 64.8°F 63.8°F
May 5 63.0°F 65.9°F 63.7°F
May 6 63.2°F 65.7°F 64.0°F
May 7 63.2°F 65.8°F 64.2°F
May 8 63.9°F 65.9°F 64.1°F
May 9 63.8°F 66.0°F 64.1°F
May 10 63.8°F 64.4°F 64.1°F
May 11 64.0°F 64.7°F 64.3°F
May 12 63.8°F 64.4°F 64.1°F
May 13 63.9°F 64.5°F 64.1°F
May 14 64.1°F 64.7°F 64.4°F
May 15 64.5°F 64.5°F 64.7°F
May 16 64.6°F 65.0°F 64.8°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 64.0°F 9mi
Yokohama 65.0°F 10mi
Fujisawa 64.5°F 12mi
Kimitsu 64.5°F 12mi
Kisarazu 64.5°F 16mi
Kawasaki 65.5°F 17mi
Tokyo 65.8°F 28mi
Ichihara 65.4°F 28mi
Odawara 65.1°F 29mi
Chiba 65.4°F 33mi

* current water temperature in this city

** straight line distance from Yokosuka