What is the current water temperature in Yokosuka?

Q: What is the current water temperature in Yokosuka?

As of now, in Yokosuka, the water temperature is 14.45°C. 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.

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.

58.0

°F

March 24, 23:40

Trend:

stable

Yesterday:

58.3°F

Tomorrow:

58.3°F

Sunrise:

05:41

Sunset:

17:56

Day Length:

12 h. 15 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 58.0°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 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 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 also aligns closely with the historical average temperature for this date, indicating a typical climate pattern. The maximum temperature recorded for this date was 63.0°F on 2023, while the historical minimum was 55.9°F on 2024.

latest data

last year

Over the last two weeks, the water temperature has stayed slightly lower than historical averages for those days. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 58.1°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
Mar 10	56.2°F	58.0°F	57.5°F
Mar 11	55.1°F	57.8°F	57.2°F
Mar 12	55.2°F	57.8°F	56.8°F
Mar 13	55.6°F	57.8°F	57.0°F
Mar 14	55.8°F	57.0°F	57.1°F
Mar 15	55.1°F	54.8°F	56.7°F
Mar 16	55.5°F	55.5°F	56.6°F
Mar 17	56.2°F	54.6°F	57.0°F
Mar 18	56.5°F	55.3°F	57.3°F
Mar 19	56.9°F	56.0°F	57.3°F
Mar 20	57.2°F	58.3°F	57.8°F
Mar 21	57.3°F	58.4°F	58.2°F
Mar 22	58.3°F	57.3°F	58.4°F
Mar 23	58.3°F	55.7°F	58.7°F
Mar 24	58.0°F	56.6°F	58.6°F
Mar 25	58.3°F	58.1°F	58.9°F
Mar 26	58.3°F	57.2°F	58.9°F
Mar 27	57.7°F	56.8°F	58.3°F
Mar 28	58.3°F	59.5°F	58.9°F
Mar 29	58.0°F	59.7°F	58.6°F
Mar 30	58.0°F	59.4°F	58.6°F
Mar 31	58.0°F	59.3°F	58.6°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	57.0°F	9mi
Yokohama	57.2°F	10mi
Fujisawa	59.1°F	12mi
Kimitsu	55.9°F	12mi
Kisarazu	55.8°F	16mi
Kawasaki	56.3°F	17mi
Tokyo	55.7°F	28mi
Ichihara	56.4°F	28mi
Odawara	58.9°F	29mi
Chiba	56.4°F	33mi

* current water temperature in this city

** straight line distance from Yokosuka