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 18.45°C. Swimming in water of this temperature is generally concidered to be cool, and most people won't really enjoy it.

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.

65.2

°F

May 3, 18:13

Trend:

increasing

Yesterday:

63.8°F

Tomorrow:

65.5°F

Sunrise:

04:49

Sunset:

18:28

Day Length:

13 h. 39 min.

Yokosuka in May

Minimum:

56.1°F

Average:

59.6°F

Maximum:

62.4°F

Sea water temperature in Yokosuka today

As of now, in Yokosuka, the water temperature is 65.2°F. Swimming in water of this temperature is generally concidered to be cool, and most people won't really enjoy it. Today's reading is 1.9°F higher 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 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 65.0°F on 2022, while the historical minimum was 61.6°F on 2017.

latest data

last year

Over the last two weeks, the water temperature has stayed slightly above than historical averages for those days. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 65.8°F, with minimum temperature starting at 65.5°F, while the maximum might reach 66.0°F.

Daily water temperature in Yokosuka

Date	Current Year actual* / forecast**	last year	10 years average
Apr 19	61.6°F	59.1°F	61.1°F
Apr 20	62.0°F	60.6°F	61.1°F
Apr 21	63.7°F	61.3°F	61.7°F
Apr 22	61.9°F	61.2°F	61.7°F
Apr 23	62.5°F	61.3°F	61.8°F
Apr 24	63.0°F	61.4°F	61.7°F
Apr 25	63.3°F	61.5°F	61.6°F
Apr 26	63.3°F	61.9°F	62.2°F
Apr 27	63.5°F	62.2°F	62.3°F
Apr 28	63.4°F	63.7°F	62.2°F
Apr 29	63.4°F	62.3°F	62.3°F
Apr 30	63.9°F	61.9°F	62.2°F
May 1	64.3°F	61.5°F	62.7°F
May 2	63.8°F	62.0°F	62.9°F
May 3	65.2°F	62.9°F	63.4°F
May 4	65.5°F	63.9°F	63.6°F
May 5	65.5°F	63.0°F	63.7°F
May 6	65.9°F	63.2°F	64.1°F
May 7	66.0°F	63.2°F	64.2°F
May 8	65.9°F	63.9°F	64.1°F
May 9	65.9°F	64.2°F	64.0°F
May 10	65.9°F	64.2°F	64.0°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	66.1°F	9mi
Yokohama	66.3°F	10mi
Fujisawa	66.5°F	12mi
Kimitsu	65.9°F	12mi
Kisarazu	65.8°F	16mi
Kawasaki	67.4°F	17mi
Tokyo	67.9°F	28mi
Ichihara	64.9°F	28mi
Odawara	66.3°F	29mi
Chiba	66.3°F	33mi

* current water temperature in this city

** straight line distance from Yokosuka