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

69.4

°F

June 20, 17:12

Trend:

increasing

Yesterday:

69.1°F

Tomorrow:

69.5°F

Sunrise:

04:53

Sunset:

19:20

Day Length:

14 h. 27 min.

Marugame in June

Minimum:

51.1°F

Average:

54.4°F

Maximum:

57.9°F

Sea water temperature in Marugame today

As of now, in Marugame, the water temperature is 69.4°F. Swimming in water of this temperature is seen as relatively warm and enjoyable for some individuals, although many might find it slightly too cool. Today's reading is 1.5°F lower than the average recorded on this particular day in recent years. Since yesterday, there was a slight increase in temperature. This indicates a warming trend over the past day. According to the forecast, we expect the temperature to stay about the same.

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 is also close to the historical minimum temperature for this date. The maximum temperature recorded for this date was 72.2°F on 2016, while the historical minimum was 69.7°F on 2019.

Over the past two weeks, the water temperature has closely aligned with historical averages for those days. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 70.1°F, with minimum temperature starting at 69.5°F, while the maximum might reach 71.0°F.

Daily water temperature in Marugame

Date Current Year

actual* / forecast**

last year 10 years average
Jun 6 70.2°F 66.4°F 67.8°F
Jun 7 70.3°F 66.8°F 68.1°F
Jun 8 69.3°F 67.1°F 67.8°F
Jun 9 69.4°F 67.4°F 68.1°F
Jun 10 70.1°F 67.6°F 68.5°F
Jun 11 68.7°F 67.7°F 68.5°F
Jun 12 68.5°F 67.9°F 68.8°F
Jun 13 68.8°F 68.1°F 68.8°F
Jun 14 68.7°F 68.2°F 68.9°F
Jun 15 69.7°F 68.4°F 69.5°F
Jun 16 69.7°F 68.8°F 69.9°F
Jun 17 70.8°F 70.4°F 70.6°F
Jun 18 70.9°F 71.1°F 70.9°F
Jun 19 69.1°F 70.9°F 70.6°F
Jun 20 69.4°F 71.1°F 70.9°F
Jun 21 69.5°F 70.7°F 71.0°F
Jun 22 69.5°F 71.4°F 71.0°F
Jun 23 69.7°F 71.7°F 71.2°F
Jun 24 70.1°F 71.8°F 71.5°F
Jun 25 70.4°F 72.0°F 71.9°F
Jun 26 70.7°F 72.6°F 72.1°F
Jun 27 71.0°F 73.9°F 72.5°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 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 69.5°F 16mi
Kurashiki 69.3°F 21mi
Okayama 70.3°F 27mi
Fukuyama 71.7°F 27mi
Niihama 73.9°F 35mi
Saijō 72.5°F 43mi
Tokushima 71.0°F 47mi
Himeji 72.9°F 64mi

* current water temperature in this city

** straight line distance from Marugame