What is the current water temperature in Osaka?

Q: What is the current water temperature in Osaka?

As of now, in Osaka, the water temperature is 19.95°C. Swimming in water of this temperature is seen as relatively warm and enjoyable for some individuals, although many might find it slightly too cool.

Japan > Osaka

Water temperature in Osaka

Detailed information about the current water temperature in Osaka. 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.

67.9

°F

November 13, 09:01

Trend:

decreasing

Yesterday:

68.2°F

Tomorrow:

67.7°F

Sunrise:

06:29

Sunset:

16:55

Day Length:

10 h. 26 min.

Osaka in November

Minimum:

49.6°F

Average:

54.8°F

Maximum:

59.6°F

Sea water temperature in Osaka today

As of now, in Osaka, the water temperature is 67.9°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 0.4°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 fall a bit.

Recent sea temperature and forecast

Today's water temperature is slightly 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 68.5°F on 2023, while the historical minimum was 66.0°F on 2022.

latest data

last year

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. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 67.3°F, the minimum temperature may reach 66.8°F, and the maximum might stay at 67.8°F.

Daily water temperature in Osaka

Date	Current Year actual* / forecast**	last year	10 years average
Oct 30	70.1°F	72.7°F	70.4°F
Oct 31	70.1°F	72.4°F	70.3°F
Nov 1	70.3°F	72.3°F	70.1°F
Nov 2	69.0°F	72.0°F	69.8°F
Nov 3	68.5°F	72.4°F	69.6°F
Nov 4	68.3°F	71.3°F	69.5°F
Nov 5	68.1°F	70.8°F	69.3°F
Nov 6	68.0°F	71.3°F	69.3°F
Nov 7	67.1°F	71.1°F	69.0°F
Nov 8	67.2°F	71.1°F	68.8°F
Nov 9	67.4°F	70.8°F	68.5°F
Nov 10	67.4°F	70.4°F	68.1°F
Nov 11	68.2°F	70.3°F	68.0°F
Nov 12	68.2°F	70.1°F	67.7°F
Nov 13	67.9°F	69.8°F	67.5°F
Nov 14	67.7°F	69.7°F	67.3°F
Nov 15	67.8°F	68.7°F	67.4°F
Nov 16	67.4°F	68.5°F	67.0°F
Nov 17	67.2°F	68.6°F	66.8°F
Nov 18	67.1°F	68.8°F	66.7°F
Nov 19	67.0°F	68.5°F	66.6°F
Nov 20	66.8°F	68.1°F	66.4°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 Osaka by month

In Osaka, the months July through October offer comfortable swimming conditions, which amounts to 116 swimming days.

The warmest water in Osaka was recorded on September 1, 2025, reaching a 87.0°F. While the coldest temperature occurred on February 15, 2025, dipping to 42.4°F. The average readings by season are 55.3°F in Winter, 58.9°F in Spring, 78.1°F in Summer, and 73.5°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Amagasaki	67.8°F	5mi
Sakai	68.0°F	8mi
Nishinomiya-hama	68.0°F	10mi
Kobe	68.5°F	18mi
Kyoto	63.1°F	27mi
Ōtsu	63.1°F	30mi
Himeji	68.3°F	46mi
Maizuru	67.6°F	53mi
Tokushima	70.0°F	69mi

* current water temperature in this city

** straight line distance from Osaka