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

77.7

°F

July 15, 14:56

Trend:

increasing

Yesterday:

77.6°F

Tomorrow:

78.1°F

Sunrise:

05:03

Sunset:

19:18

Day Length:

14 h. 15 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 77.7°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 0.8°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 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 78.3°F on 2017, while the historical minimum was 75.6°F on 2019.

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 78.3°F, with minimum temperature starting at 77.9°F, while the maximum might reach 79.3°F.

Daily water temperature in Marugame

Date Current Year

actual* / forecast**

last year 10 years average
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 74.7°F
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 77.7°F 76.1°F 76.9°F
Jul 16 78.1°F 78.0°F 77.3°F
Jul 17 77.9°F 77.5°F 77.1°F
Jul 18 77.9°F 77.5°F 77.1°F
Jul 19 77.9°F 77.0°F 77.1°F
Jul 20 78.4°F 79.0°F 77.6°F
Jul 21 78.4°F 78.6°F 77.7°F
Jul 22 79.3°F 80.1°F 78.6°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 76.9°F 16mi
Kurashiki 78.6°F 21mi
Okayama 78.7°F 27mi
Fukuyama 80.6°F 27mi
Niihama 83.5°F 35mi
Saijō 80.7°F 43mi
Tokushima 79.2°F 47mi
Himeji 80.5°F 64mi

* current water temperature in this city

** straight line distance from Marugame