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

81.9

°F

August 4, 14:57

Trend:

stable

Yesterday:

81.9°F

Tomorrow:

82.1°F

Sunrise:

05:17

Sunset:

19:04

Day Length:

13 h. 47 min.

Marugame in August

Minimum:

51.0°F

Average:

53.7°F

Maximum:

57.7°F

Sea water temperature in Marugame today

As of now, in Marugame, the water temperature is 81.9°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 0.6°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 slightly lower than the average registered over the last two weeks, indicating a slight cooling 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 82.7°F on 2024, while the historical minimum was 78.9°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 82.3°F, with minimum temperature starting at 82.0°F, while the maximum might reach 82.6°F.

Daily water temperature in Marugame

Date Current Year

actual* / forecast**

last year 10 years average
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 79.3°F
Jul 25 84.2°F 80.5°F 79.7°F
Jul 26 83.7°F 81.0°F 79.7°F
Jul 27 83.5°F 82.1°F 79.8°F
Jul 28 84.0°F 81.5°F 80.1°F
Jul 29 83.3°F 80.9°F 80.2°F
Jul 30 83.9°F 81.4°F 80.5°F
Jul 31 83.1°F 82.9°F 80.8°F
Aug 1 82.4°F 81.8°F 80.7°F
Aug 2 82.1°F 81.8°F 80.8°F
Aug 3 81.9°F 84.5°F 81.3°F
Aug 4 81.9°F 82.3°F 81.3°F
Aug 5 82.1°F 84.2°F 81.5°F
Aug 6 82.2°F 83.8°F 81.6°F
Aug 7 82.5°F 84.0°F 81.8°F
Aug 8 82.6°F 83.1°F 82.0°F
Aug 9 82.5°F 83.0°F 81.9°F
Aug 10 82.0°F 82.5°F 81.4°F
Aug 11 82.3°F 82.8°F 81.6°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 82.2°F 16mi
Kurashiki 84.7°F 21mi
Okayama 84.3°F 27mi
Fukuyama 83.2°F 27mi
Niihama 87.8°F 35mi
Saijō 85.2°F 43mi
Tokushima 84.3°F 47mi
Himeji 84.5°F 64mi

* current water temperature in this city

** straight line distance from Marugame