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

73.2

°F

October 11, 05:27

Trend:

decreasing

Yesterday:

73.8°F

Tomorrow:

73.1°F

Sunrise:

05:43

Sunset:

17:12

Day Length:

11 h. 29 min.

Yokosuka in October

Minimum:

57.0°F

Average:

58.8°F

Maximum:

61.1°F

Sea water temperature in Yokosuka today

As of now, in Yokosuka, the water temperature is 73.2°F. Swimming in water of this temperature is seen as relatively warm and enjoyable for some individuals, although many might find it slightly too cool. Today's reading is 0.5°F higher 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 also aligns closely with the historical average temperature for this date, indicating a typical climate pattern. The maximum temperature recorded for this date was 74.2°F on 2016, while the historical minimum was 71.0°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 72.9°F, the minimum temperature may reach 72.3°F, and the maximum might stay at 73.1°F.

Daily water temperature in Yokosuka

Date Current Year

actual* / forecast**

last year 10 years average
Sep 27 76.6°F 77.4°F 75.6°F
Sep 28 75.2°F 76.9°F 75.5°F
Sep 29 76.3°F 76.4°F 75.7°F
Sep 30 77.0°F 76.3°F 75.7°F
Oct 1 75.5°F 75.1°F 75.3°F
Oct 2 74.8°F 75.6°F 75.0°F
Oct 3 74.3°F 74.9°F 74.2°F
Oct 4 74.6°F 75.1°F 74.6°F
Oct 5 72.2°F 75.4°F 74.4°F
Oct 6 74.6°F 75.1°F 74.5°F
Oct 7 74.0°F 75.3°F 74.2°F
Oct 8 74.3°F 75.9°F 73.9°F
Oct 9 74.2°F 75.7°F 73.5°F
Oct 10 73.8°F 74.6°F 73.3°F
Oct 11 73.2°F 71.7°F 72.8°F
Oct 12 73.1°F 73.0°F 72.7°F
Oct 13 73.1°F 73.4°F 72.6°F
Oct 14 73.0°F 72.1°F 72.5°F
Oct 15 73.0°F 74.1°F 72.5°F
Oct 16 72.8°F 73.1°F 72.3°F
Oct 17 72.8°F 73.4°F 72.3°F
Oct 18 72.3°F 73.5°F 71.9°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 72.4°F 9mi
Yokohama 72.5°F 10mi
Fujisawa 76.6°F 12mi
Kimitsu 72.2°F 12mi
Kisarazu 72.2°F 16mi
Kawasaki 72.7°F 17mi
Tokyo 72.8°F 28mi
Ichihara 71.7°F 28mi
Odawara 77.3°F 29mi
Chiba 71.8°F 33mi

* current water temperature in this city

** straight line distance from Yokosuka