What is the current water temperature in Marugame?

Q: What is the current water temperature in Marugame?

As of now, in Marugame, the water temperature is 22.69°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 > 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.

72.8

°F

July 5, 04:40

Trend:

increasing

Yesterday:

72.8°F

Tomorrow:

73.3°F

Sunrise:

04:58

Sunset:

19:21

Day Length:

14 h. 23 min.

Marugame in July

Minimum:

51.7°F

Average:

54.3°F

Maximum:

57.9°F

Sea water temperature in Marugame today

As of now, in Marugame, the water temperature is 72.8°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 2.1°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

The water temperature today is above average for the last two weeks, showing a small increase in temperature. It is also close to the historical minimum temperature for this date. The maximum temperature recorded for this date was 76.6°F on 2022, while the historical minimum was 72.6°F on 2019.

latest data

last year

The water temperature over the last two weeks displayed soome variability. While the two week average stayed close to the historical average, there were some days when the temperature was close to the histoorical minimum and others when it was close to the historical maximum. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 73.9°F, with minimum temperature starting at 73.3°F, while the maximum might reach 74.4°F.

Daily water temperature in Marugame

Date	Current Year actual* / forecast**	last year	10 years average
Jun 21	70.4°F	70.7°F	70.9°F
Jun 22	72.0°F	71.4°F	71.1°F
Jun 23	72.3°F	71.7°F	71.3°F
Jun 24	71.9°F	71.8°F	71.6°F
Jun 25	71.4°F	72.0°F	71.8°F
Jun 26	72.6°F	72.6°F	72.2°F
Jun 27	71.7°F	73.9°F	72.4°F
Jun 28	72.7°F	72.1°F	72.4°F
Jun 29	71.0°F	73.1°F	72.8°F
Jun 30	73.7°F	72.8°F	73.1°F
Jul 1	72.7°F	73.9°F	73.4°F
Jul 2	73.0°F	73.5°F	73.8°F
Jul 3	72.7°F	73.9°F	74.1°F
Jul 4	72.8°F	76.0°F	74.8°F
Jul 5	72.8°F	75.3°F	74.9°F
Jul 6	73.3°F	76.6°F	75.4°F
Jul 7	73.5°F	77.0°F	75.6°F
Jul 8	73.8°F	78.3°F	75.9°F
Jul 9	73.8°F	78.0°F	75.8°F
Jul 10	74.2°F	78.8°F	76.3°F
Jul 11	74.2°F	78.4°F	76.3°F
Jul 12	74.4°F	78.8°F	76.4°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 Marugame by month

In Marugame, the months July through October offer comfortable swimming conditions, which amounts to 116 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 54.2°F in Winter, 57.5°F in Spring, 76.4°F in Summer, and 74.6°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Takamatsu	71.9°F	16mi
Kurashiki	73.1°F	21mi
Okayama	73.5°F	27mi
Fukuyama	73.1°F	27mi
Niihama	71.6°F	35mi
Saijō	71.7°F	43mi
Tokushima	73.1°F	47mi
Himeji	73.8°F	64mi

* current water temperature in this city

** straight line distance from Marugame