What is the current water temperature in Osaka?

As of now, in Osaka, the water temperature is 23.7°C. It's safe to say that the water is comfortably warm for various water-related activities.

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.

74.7

°F

October 29, 23:18

Trend:

decreasing

Yesterday:

74.8°F

Tomorrow:

74.3°F

Sunrise:

06:15

Sunset:

17:08

Day Length:

10 h. 53 min.

Osaka in November

Minimum:

49.6°F

Average:

54.4°F

Maximum:

59.6°F

Sea water temperature in Osaka today

As of now, in Osaka, the water temperature is 74.7°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 3.9°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 considerably lower than the average registered over the last two weeks, indicating a slight cooling trend. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 72.7°F on 2016, while the historical minimum was 68.4°F on 2020.

latest data

last year

Observations from the last two weeks indicate that the water temperature was in proximity to the highest 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 73.7°F, the minimum temperature may reach 73.2°F, and the maximum might stay at 74.3°F.

Daily water temperature in Osaka

Date	Current Year actual* / forecast**	last year	10 years average
Oct 15	76.7°F	75.4°F	74.2°F
Oct 16	76.4°F	76.3°F	74.1°F
Oct 17	76.5°F	75.8°F	73.9°F
Oct 18	76.4°F	75.0°F	73.9°F
Oct 19	76.6°F	74.6°F	73.6°F
Oct 20	76.9°F	74.2°F	73.5°F
Oct 21	77.1°F	73.9°F	73.2°F
Oct 22	77.6°F	73.5°F	72.8°F
Oct 23	77.2°F	74.0°F	72.6°F
Oct 24	76.9°F	72.6°F	72.4°F
Oct 25	77.2°F	72.1°F	72.1°F
Oct 26	76.7°F	71.9°F	71.9°F
Oct 27	76.2°F	72.1°F	71.5°F
Oct 28	74.8°F	71.3°F	70.9°F
Oct 29	74.7°F	70.1°F	70.8°F
Oct 30	74.3°F	70.1°F	70.5°F
Oct 31	74.1°F	70.1°F	70.3°F
Nov 1	74.0°F	70.3°F	70.1°F
Nov 2	73.7°F	69.0°F	69.9°F
Nov 3	73.5°F	68.5°F	69.6°F
Nov 4	73.5°F	68.3°F	69.6°F
Nov 5	73.2°F	68.1°F	69.4°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 118 swimming days.

The warmest water in Osaka was recorded on July 24, 2026, reaching a 87.2°F. While the coldest temperature occurred on February 15, 2025, dipping to 42.4°F. The average readings by season are 54.7°F in Winter, 58.7°F in Spring, 78.4°F in Summer, and 73.7°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Amagasaki	74.8°F	5mi
Sakai	74.5°F	8mi
Nishinomiya-hama	74.5°F	10mi
Kobe	74.2°F	18mi
Kyoto	69.5°F	27mi
Ōtsu	69.5°F	30mi
Himeji	74.6°F	46mi
Maizuru	73.2°F	53mi
Tokushima	74.7°F	69mi

* current water temperature in this city

** straight line distance from Osaka