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

78.0

°F

October 15, 21:47

Trend:

decreasing

Yesterday:

78.4°F

Tomorrow:

77.9°F

Sunrise:

06:10

Sunset:

17:32

Day Length:

11 h. 22 min.

Marugame in October

Minimum:

50.3°F

Average:

53.7°F

Maximum:

57.7°F

Sea water temperature in Marugame today

As of now, in Marugame, the water temperature is 78.0°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 2.7°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 stay about the same.

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 maximum temperature for this date. The maximum temperature recorded for this date was 78.4°F on 2024, while the historical minimum was 72.3°F on 2015.

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 shows a gradual cooling trend. The average temperature is expected to be 77.1°F, the minimum temperature may reach 76.2°F, and the maximum might stay at 77.9°F.

Daily water temperature in Marugame

Date Current Year

actual* / forecast**

last year 10 years average
Oct 1 80.4°F 81.9°F 78.7°F
Oct 2 80.5°F 82.6°F 78.7°F
Oct 3 80.2°F 82.1°F 78.5°F
Oct 4 79.8°F 81.6°F 78.4°F
Oct 5 80.2°F 81.0°F 78.2°F
Oct 6 80.0°F 80.6°F 77.8°F
Oct 7 80.3°F 79.6°F 77.6°F
Oct 8 79.6°F 79.1°F 77.2°F
Oct 9 80.0°F 78.9°F 77.0°F
Oct 10 79.3°F 78.4°F 76.7°F
Oct 11 79.1°F 78.5°F 76.6°F
Oct 12 78.9°F 79.6°F 76.4°F
Oct 13 79.0°F 79.5°F 76.1°F
Oct 14 78.4°F 79.0°F 75.8°F
Oct 15 78.0°F 78.4°F 75.3°F
Oct 16 77.9°F 78.2°F 75.2°F
Oct 17 77.6°F 78.0°F 74.9°F
Oct 18 77.4°F 78.0°F 74.7°F
Oct 19 77.1°F 77.9°F 74.4°F
Oct 20 76.9°F 77.3°F 74.2°F
Oct 21 76.5°F 76.8°F 73.8°F
Oct 22 76.2°F 76.6°F 73.5°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 113 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 54.6°F in Winter, 57.6°F in Spring, 76.2°F in Summer, and 74.3°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Takamatsu 78.5°F 16mi
Kurashiki 79.0°F 21mi
Okayama 77.8°F 27mi
Fukuyama 78.2°F 27mi
Niihama 79.4°F 35mi
Saijō 78.0°F 43mi
Tokushima 77.4°F 47mi
Himeji 77.5°F 64mi

* current water temperature in this city

** straight line distance from Marugame