All data are in degrees Fahrenheit

en

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

71.4

°F

June 25, 20:23

Trend:

stable

Yesterday:

71.9°F

Tomorrow:

71.6°F

Sunrise:

04:54

Sunset:

19:21

Day Length:

14 h. 27 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 71.4°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 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 is also close to the historical minimum temperature for this date. The maximum temperature recorded for this date was 74.2°F on 2022, while the historical minimum was 71.0°F on 2021.

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 72.4°F, with minimum temperature starting at 71.6°F, while the maximum might reach 73.3°F.

Daily water temperature in Marugame

Date Current Year

actual* / forecast**

last year 10 years average
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 70.8°F
Jun 21 70.4°F 70.7°F 70.9°F
Jun 22 72.0°F 71.4°F 71.1°F
Jun 23 72.3°F 71.7°F 71.3°F
Jun 24 71.9°F 71.8°F 71.6°F
Jun 25 71.4°F 72.0°F 71.9°F
Jun 26 71.6°F 72.6°F 72.1°F
Jun 27 72.0°F 73.9°F 72.5°F
Jun 28 71.8°F 72.1°F 72.3°F
Jun 29 72.5°F 73.1°F 73.0°F
Jun 30 72.6°F 72.8°F 73.1°F
Jul 1 73.0°F 73.9°F 73.5°F
Jul 2 73.3°F 73.5°F 73.9°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 70.9°F 16mi
Kurashiki 71.4°F 21mi
Okayama 71.7°F 27mi
Fukuyama 71.7°F 27mi
Niihama 71.9°F 35mi
Saijō 71.2°F 43mi
Tokushima 70.7°F 47mi
Himeji 72.2°F 64mi

* current water temperature in this city

** straight line distance from Marugame