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

80.0

°F

August 30, 04:08

Trend:

decreasing

Yesterday:

80.1°F

Tomorrow:

79.8°F

Sunrise:

05:12

Sunset:

18:12

Day Length:

13 h. 0 min.

Yokosuka in September

Minimum:

57.3°F

Average:

59.2°F

Maximum:

61.2°F

Sea water temperature in Yokosuka today

As of now, in Yokosuka, the water temperature is 80.0°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 0.6°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 fall a bit.

Recent sea temperature and forecast

Today's water temperature is slightly 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 83.0°F on 2020, while the historical minimum was 77.8°F on 2015.

Over the past two weeks, the water temperature has closely aligned with historical averages for those days. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 79.2°F, the minimum temperature may reach 78.8°F, and the maximum might stay at 79.8°F.

Daily water temperature in Yokosuka

Date Current Year

actual* / forecast**

last year 10 years average
Aug 16 80.4°F 83.5°F 80.7°F
Aug 17 80.2°F 83.6°F 80.6°F
Aug 18 80.7°F 83.3°F 79.9°F
Aug 19 81.4°F 83.1°F 80.1°F
Aug 20 80.2°F 83.0°F 80.3°F
Aug 21 80.7°F 84.0°F 80.4°F
Aug 22 81.2°F 83.6°F 80.7°F
Aug 23 81.1°F 83.3°F 80.6°F
Aug 24 80.7°F 81.2°F 80.0°F
Aug 25 81.3°F 81.5°F 80.3°F
Aug 26 81.3°F 81.9°F 80.5°F
Aug 27 80.5°F 82.7°F 80.9°F
Aug 28 80.9°F 82.2°F 80.8°F
Aug 29 80.1°F 81.9°F 80.7°F
Aug 30 80.0°F 81.8°F 80.6°F
Aug 31 79.8°F 81.3°F 80.3°F
Sep 1 79.4°F 80.9°F 80.0°F
Sep 2 79.4°F 82.1°F 80.0°F
Sep 3 79.3°F 81.9°F 79.9°F
Sep 4 78.8°F 81.0°F 79.4°F
Sep 5 79.0°F 80.1°F 79.6°F
Sep 6 79.0°F 81.2°F 79.5°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 81.4°F 9mi
Yokohama 82.4°F 10mi
Fujisawa 81.4°F 12mi
Kimitsu 82.4°F 12mi
Kisarazu 83.0°F 16mi
Kawasaki 83.2°F 17mi
Tokyo 83.9°F 28mi
Ichihara 87.1°F 28mi
Odawara 81.1°F 29mi
Chiba 87.3°F 33mi

* current water temperature in this city

** straight line distance from Yokosuka