All data are in degrees Fahrenheit

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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.
Sea temperature in Marugame now

82.8

°F

July 25, 04:12

Trend:

increasing

Yesterday:

82.5°F

Tomorrow:

82.8°F

Sunrise:

05:10

Sunset:

19:12

Day Length:

14 h. 2 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 82.8°F. Swimming in water of this temperature is considered highly warm and would be enjoyable for everyone. At this temperature, you can comfortably engage in water-based activities for extended periods without experiencing discomfort. Today's reading is 3.5°F higher than the average recorded on this particular day in recent years. Since yesterday, there was a slight increase in temperature. This indicates a warming trend over the past day. According to the forecast, we expect the temperature to stay about the same.

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 81.5°F on 2024, while the historical minimum was 77.5°F on 2020.

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 suggests a gradual increase. The average temperature is expected to rise up to 83.5°F, with minimum temperature starting at 82.8°F, while the maximum might reach 84.1°F.

Daily water temperature in Marugame

Date Current Year

actual* / forecast**

last year 10 years average
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 77.5°F
Jul 20 79.6°F 79.0°F 77.8°F
Jul 21 80.9°F 78.6°F 78.0°F
Jul 22 80.7°F 80.1°F 78.8°F
Jul 23 80.9°F 79.6°F 78.9°F
Jul 24 82.5°F 80.0°F 79.0°F
Jul 25 82.8°F 80.5°F 79.3°F
Jul 26 82.8°F 81.0°F 79.3°F
Jul 27 83.0°F 82.1°F 79.4°F
Jul 28 83.2°F 81.5°F 79.7°F
Jul 29 83.4°F 80.9°F 79.9°F
Jul 30 83.8°F 81.4°F 80.2°F
Jul 31 84.1°F 82.9°F 80.6°F
Aug 1 84.1°F 81.8°F 80.5°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 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 80.1°F 16mi
Kurashiki 83.8°F 21mi
Okayama 84.5°F 27mi
Fukuyama 82.9°F 27mi
Niihama 86.5°F 35mi
Saijō 86.6°F 43mi
Tokushima 83.1°F 47mi
Himeji 85.8°F 64mi

* current water temperature in this city

** straight line distance from Marugame