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

80.3

°F

July 14, 15:20

Trend:

increasing

Yesterday:

79.9°F

Tomorrow:

80.5°F

Sunrise:

04:37

Sunset:

18:57

Day Length:

14 h. 20 min.

Yokosuka in July

Minimum:

55.4°F

Average:

59.5°F

Maximum:

61.9°F

Sea water temperature in Yokosuka today

As of now, in Yokosuka, the water temperature is 80.3°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 4.3°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 rise a bit.

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 78.9°F on 2018, while the historical minimum was 71.5°F on 2019.

Observations from the last two weeks indicate that the water temperature was in proximity to the highest values recorded on those days in the past. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 81.3°F, with minimum temperature starting at 80.5°F, while the maximum might reach 82.2°F.

Daily water temperature in Yokosuka

Date Current Year

actual* / forecast**

last year 10 years average
Jun 30 77.4°F 74.2°F 73.4°F
Jul 1 77.5°F 74.3°F 73.7°F
Jul 2 77.7°F 74.6°F 74.0°F
Jul 3 76.6°F 74.8°F 74.0°F
Jul 4 75.6°F 76.6°F 74.6°F
Jul 5 77.3°F 79.5°F 75.1°F
Jul 6 78.1°F 80.6°F 75.6°F
Jul 7 79.4°F 80.2°F 75.5°F
Jul 8 81.8°F 79.6°F 75.8°F
Jul 9 81.0°F 79.3°F 75.8°F
Jul 10 80.5°F 79.8°F 75.3°F
Jul 11 80.3°F 79.5°F 75.9°F
Jul 12 80.1°F 79.2°F 76.2°F
Jul 13 79.9°F 79.1°F 75.6°F
Jul 14 80.3°F 78.8°F 75.9°F
Jul 15 80.5°F 79.3°F 76.2°F
Jul 16 80.9°F 79.1°F 76.5°F
Jul 17 81.0°F 79.0°F 76.7°F
Jul 18 81.1°F 78.7°F 76.8°F
Jul 19 81.5°F 79.4°F 77.1°F
Jul 20 81.9°F 80.7°F 77.5°F
Jul 21 82.2°F 80.8°F 77.8°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

In Yokosuka, the months July through September offer comfortable swimming conditions, which amounts to 102 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, 76.0°F in Summer, and 72.6°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Futtsu 81.2°F 9mi
Yokohama 80.8°F 10mi
Fujisawa 80.5°F 12mi
Kimitsu 81.7°F 12mi
Kisarazu 82.1°F 16mi
Kawasaki 81.4°F 17mi
Tokyo 81.8°F 28mi
Ichihara 83.4°F 28mi
Odawara 79.7°F 29mi
Chiba 83.2°F 33mi

* current water temperature in this city

** straight line distance from Yokosuka