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

75.3

°F

July 9, 09:23

Trend:

stable

Yesterday:

75.4°F

Tomorrow:

75.8°F

Sunrise:

05:00

Sunset:

19:20

Day Length:

14 h. 20 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 75.3°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 0.5°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

Today's water temperature is notably higher than the average recorded over the past two weeks, indicating a significant warming trend. It also aligns closely with the historical average temperature for this date, indicating a typical climate pattern. The maximum temperature recorded for this date was 78.0°F on 2025, while the historical minimum was 73.2°F on 2023.

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 minimum recorded over the past years. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 76.1°F, with minimum temperature starting at 75.8°F, while the maximum might reach 76.8°F.

Daily water temperature in Marugame

Date Current Year

actual* / forecast**

last year 10 years average
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 74.7°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 75.9°F
Jul 9 75.3°F 78.0°F 75.8°F
Jul 10 75.8°F 78.8°F 76.3°F
Jul 11 75.8°F 78.4°F 76.3°F
Jul 12 75.9°F 78.8°F 76.4°F
Jul 13 75.9°F 77.7°F 76.4°F
Jul 14 76.4°F 78.2°F 76.9°F
Jul 15 76.4°F 76.1°F 76.9°F
Jul 16 76.8°F 78.0°F 77.3°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 74.3°F 16mi
Kurashiki 73.7°F 21mi
Okayama 74.8°F 27mi
Fukuyama 74.0°F 27mi
Niihama 73.0°F 35mi
Saijō 71.9°F 43mi
Tokushima 74.7°F 47mi
Himeji 74.2°F 64mi

* current water temperature in this city

** straight line distance from Marugame