What is the current water temperature in Yokosuka?

As of now, in Yokosuka, the water temperature is 27.77°C. It's safe to say that the water is comfortably warm for various water-related activities.

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.

82.0

°F

August 1, 01:23

Trend:

increasing

Yesterday:

81.7°F

Tomorrow:

82.3°F

Sunrise:

04:49

Sunset:

18:45

Day Length:

13 h. 56 min.

Yokosuka in August

Minimum:

56.1°F

Average:

59.3°F

Maximum:

61.5°F

Sea water temperature in Yokosuka today

As of now, in Yokosuka, the water temperature is 82.0°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 2.0°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 83.2°F on 2024, while the historical minimum was 76.8°F on 2020.

latest data

last year

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 maximum recorded over the past years. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 82.7°F, with minimum temperature starting at 82.1°F, while the maximum might reach 83.0°F.

Daily water temperature in Yokosuka

Date	Current Year actual* / forecast**	last year	10 years average
Jul 18	78.8°F	79.6°F	77.4°F
Jul 19	78.8°F	78.7°F	77.6°F
Jul 20	78.2°F	79.5°F	77.8°F
Jul 21	80.5°F	80.0°F	78.3°F
Jul 22	80.7°F	80.1°F	78.5°F
Jul 23	81.6°F	80.1°F	78.6°F
Jul 24	82.6°F	80.5°F	78.9°F
Jul 25	81.2°F	81.1°F	79.1°F
Jul 26	82.3°F	81.7°F	79.6°F
Jul 27	81.9°F	82.1°F	79.7°F
Jul 28	81.1°F	81.0°F	79.5°F
Jul 29	81.4°F	80.8°F	79.4°F
Jul 30	81.9°F	82.0°F	79.7°F
Jul 31	81.7°F	81.9°F	79.7°F
Aug 1	82.0°F	81.3°F	80.0°F
Aug 2	82.3°F	82.7°F	80.3°F
Aug 3	82.1°F	80.9°F	80.2°F
Aug 4	82.7°F	81.7°F	80.7°F
Aug 5	82.7°F	80.1°F	80.7°F
Aug 6	82.7°F	81.2°F	80.7°F
Aug 7	83.0°F	83.0°F	81.1°F
Aug 8	83.0°F	81.9°F	81.1°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, 61.2°F in Spring, 76.2°F in Summer, and 72.7°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Futtsu	82.5°F	9mi
Yokohama	82.8°F	10mi
Fujisawa	81.2°F	12mi
Kimitsu	83.0°F	12mi
Kisarazu	82.8°F	16mi
Kawasaki	83.2°F	17mi
Tokyo	83.1°F	28mi
Ichihara	83.7°F	28mi
Odawara	80.9°F	29mi
Chiba	83.5°F	33mi

* current water temperature in this city

** straight line distance from Yokosuka