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

80.8

°F

August 14, 22:13

Trend:

stable

Yesterday:

82.8°F

Tomorrow:

81.1°F

Sunrise:

05:25

Sunset:

18:54

Day Length:

13 h. 29 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 80.8°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 1.3°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 considerably lower than the average registered over the last two weeks, indicating a slight cooling trend. It is also close to the historical minimum temperature for this date. The maximum temperature recorded for this date was 83.2°F on 2016, while the historical minimum was 80.3°F on 2019.

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 81.1°F, with minimum temperature starting at 81.0°F, while the maximum might reach 81.3°F.

Daily water temperature in Marugame

Date Current Year

actual* / forecast**

last year 10 years average
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 81.4°F
Aug 4 82.9°F 82.3°F 81.4°F
Aug 5 83.5°F 84.2°F 81.6°F
Aug 6 83.7°F 83.8°F 81.8°F
Aug 7 84.5°F 84.0°F 82.1°F
Aug 8 83.2°F 83.1°F 82.1°F
Aug 9 83.2°F 83.1°F 82.1°F
Aug 10 83.0°F 82.6°F 81.6°F
Aug 11 83.4°F 82.9°F 81.8°F
Aug 12 82.5°F 82.7°F 81.4°F
Aug 13 82.8°F 82.9°F 82.1°F
Aug 14 80.8°F 82.1°F 82.0°F
Aug 15 81.1°F 83.7°F 82.4°F
Aug 16 81.3°F 83.3°F 82.6°F
Aug 17 81.3°F 83.4°F 82.6°F
Aug 18 81.1°F 83.7°F 82.3°F
Aug 19 81.0°F 83.9°F 82.3°F
Aug 20 81.0°F 83.7°F 82.2°F
Aug 21 81.3°F 84.0°F 82.6°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 81.1°F 16mi
Kurashiki 86.3°F 21mi
Okayama 82.3°F 27mi
Fukuyama 83.0°F 27mi
Niihama 82.9°F 35mi
Saijō 83.0°F 43mi
Tokushima 80.5°F 47mi
Himeji 82.5°F 64mi

* current water temperature in this city

** straight line distance from Marugame