What is the current water temperature in Marugame?

As of now, in Marugame, the water temperature is 27.09°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.

80.8

°F

July 19, 22:39

Trend:

increasing

Yesterday:

79.2°F

Tomorrow:

81.3°F

Sunrise:

05:06

Sunset:

19:16

Day Length:

14 h. 10 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 80.8°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 3.6°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 78.9°F on 2024, while the historical minimum was 75.1°F on 2020.

latest data

last year

Over the last two weeks, the water temperature has stayed slightly lower 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 82.2°F, with minimum temperature starting at 81.3°F, while the maximum might reach 82.9°F.

Daily water temperature in Marugame

Date	Current Year actual* / forecast**	last year	10 years average
Jul 5	73.7°F	75.3°F	74.8°F
Jul 6	74.0°F	76.6°F	75.2°F
Jul 7	74.5°F	77.0°F	75.5°F
Jul 8	75.4°F	78.3°F	75.8°F
Jul 9	74.7°F	78.0°F	75.7°F
Jul 10	75.0°F	78.8°F	76.2°F
Jul 11	75.0°F	78.4°F	76.2°F
Jul 12	75.1°F	78.8°F	76.3°F
Jul 13	75.5°F	77.7°F	76.3°F
Jul 14	77.6°F	78.2°F	76.9°F
Jul 15	76.7°F	76.1°F	76.9°F
Jul 16	79.1°F	78.0°F	77.5°F
Jul 17	80.4°F	77.5°F	77.5°F
Jul 18	79.2°F	77.5°F	77.3°F
Jul 19	80.8°F	77.0°F	77.1°F
Jul 20	81.3°F	79.0°F	77.6°F
Jul 21	81.3°F	78.6°F	77.7°F
Jul 22	82.2°F	80.1°F	78.6°F
Jul 23	82.3°F	79.6°F	78.7°F
Jul 24	82.6°F	80.0°F	79.0°F
Jul 25	82.9°F	80.5°F	79.3°F
Jul 26	82.9°F	81.0°F	79.3°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	78.5°F	16mi
Kurashiki	81.1°F	21mi
Okayama	81.6°F	27mi
Fukuyama	81.4°F	27mi
Niihama	85.7°F	35mi
Saijō	83.1°F	43mi
Tokushima	79.4°F	47mi
Himeji	81.3°F	64mi

* current water temperature in this city

** straight line distance from Marugame