What is the current water temperature in Marugame?

As of now, in Marugame, the water temperature is 25.55°C. It's safe to say that the water is comfortably warm for various water-related activities.

Japan > Marugame

Water temperature in Marugame

Detailed information about the current water temperature in Marugame. 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.

78.0

°F

October 15, 21:47

Trend:

decreasing

Yesterday:

78.4°F

Tomorrow:

77.9°F

Sunrise:

06:10

Sunset:

17:32

Day Length:

11 h. 22 min.

Marugame in October

Minimum:

50.3°F

Average:

53.7°F

Maximum:

57.7°F

Sea water temperature in Marugame today

As of now, in Marugame, the water temperature is 78.0°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 2.7°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 stay about the same.

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 78.4°F on 2024, while the historical minimum was 72.3°F on 2015.

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 77.1°F, the minimum temperature may reach 76.2°F, and the maximum might stay at 77.9°F.

Daily water temperature in Marugame

Date	Current Year actual* / forecast**	last year	10 years average
Oct 1	80.4°F	81.9°F	78.7°F
Oct 2	80.5°F	82.6°F	78.7°F
Oct 3	80.2°F	82.1°F	78.5°F
Oct 4	79.8°F	81.6°F	78.4°F
Oct 5	80.2°F	81.0°F	78.2°F
Oct 6	80.0°F	80.6°F	77.8°F
Oct 7	80.3°F	79.6°F	77.6°F
Oct 8	79.6°F	79.1°F	77.2°F
Oct 9	80.0°F	78.9°F	77.0°F
Oct 10	79.3°F	78.4°F	76.7°F
Oct 11	79.1°F	78.5°F	76.6°F
Oct 12	78.9°F	79.6°F	76.4°F
Oct 13	79.0°F	79.5°F	76.1°F
Oct 14	78.4°F	79.0°F	75.8°F
Oct 15	78.0°F	78.4°F	75.3°F
Oct 16	77.9°F	78.2°F	75.2°F
Oct 17	77.6°F	78.0°F	74.9°F
Oct 18	77.4°F	78.0°F	74.7°F
Oct 19	77.1°F	77.9°F	74.4°F
Oct 20	76.9°F	77.3°F	74.2°F
Oct 21	76.5°F	76.8°F	73.8°F
Oct 22	76.2°F	76.6°F	73.5°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 Marugame by month

In Marugame, the months July through October offer comfortable swimming conditions, which amounts to 113 swimming days.

The warmest water in Marugame was recorded on September 2, 2025, reaching a 87.0°F. While the coldest temperature occurred on February 16, 2018, dipping to 45.3°F. The average readings by season are 54.6°F in Winter, 57.6°F in Spring, 76.2°F in Summer, and 74.3°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Takamatsu	78.5°F	16mi
Kurashiki	79.0°F	21mi
Okayama	77.8°F	27mi
Fukuyama	78.2°F	27mi
Niihama	79.4°F	35mi
Saijō	78.0°F	43mi
Tokushima	77.4°F	47mi
Himeji	77.5°F	64mi

* current water temperature in this city

** straight line distance from Marugame