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

53.0

°F

March 3, 18:27

Trend:

stable

Yesterday:

51.8°F

Tomorrow:

52.8°F

Sunrise:

06:10

Sunset:

17:38

Day Length:

11 h. 28 min.

Yokosuka in March

Minimum:

56.4°F

Average:

60.2°F

Maximum:

62.1°F

Sea water temperature in Yokosuka today

As of now, in Yokosuka, the water temperature is 53.0°F. Swimming in water of this temperature is considered as extremely cold, and there's a substantial risk of hypothermia if exposed for more than a brief duration. Today's reading is 4.5°F lower than the average recorded on this particular day in recent years. Since yesterday, there was a noticeable increase in temperature. This indicates a warming trend over the past day. According to the forecast, we expect the temperature to fall a bit.

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 is also close to the historical minimum temperature for this date. The maximum temperature recorded for this date was 60.5°F on 2024, while the historical minimum was 55.2°F on 2018.

Observations from the last two weeks indicate that the water temperature was in proximity to the lowest values recorded on those days in the past. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 52.8°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
Feb 17 55.8°F 60.1°F 57.9°F
Feb 18 56.2°F 59.7°F 57.9°F
Feb 19 58.4°F 58.8°F 57.9°F
Feb 20 57.5°F 58.4°F 57.6°F
Feb 21 58.2°F 57.9°F 57.6°F
Feb 22 54.2°F 58.7°F 57.1°F
Feb 23 56.0°F 59.9°F 57.0°F
Feb 24 54.8°F 57.7°F 56.5°F
Feb 25 54.8°F 57.2°F 56.5°F
Feb 26 55.4°F 55.4°F 56.6°F
Feb 27 54.5°F 55.4°F 56.7°F
Feb 28 54.9°F 57.2°F 56.9°F
Mar 1 51.8°F 56.4°F 56.2°F
Mar 2 51.8°F 54.9°F 56.4°F
Mar 3 53.0°F 55.7°F 57.5°F
Mar 4 52.8°F 56.2°F 57.4°F
Mar 5 52.9°F 56.7°F 57.4°F
Mar 6 52.9°F 57.1°F 57.5°F
Mar 7 52.6°F 54.2°F 57.1°F
Mar 8 52.4°F 55.1°F 57.0°F
Mar 9 52.9°F 57.2°F 57.5°F
Mar 10 53.1°F 58.0°F 57.6°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 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 53.0°F 9mi
Yokohama 54.2°F 10mi
Fujisawa 59.1°F 12mi
Kimitsu 53.6°F 12mi
Kisarazu 54.1°F 16mi
Kawasaki 54.4°F 17mi
Tokyo 54.4°F 28mi
Ichihara 54.6°F 28mi
Odawara 60.0°F 29mi
Chiba 55.1°F 33mi

* current water temperature in this city

** straight line distance from Yokosuka