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

82.3

°F

September 9, 19:57

Trend:

stable

Yesterday:

82.9°F

Tomorrow:

82.4°F

Sunrise:

05:43

Sunset:

18:21

Day Length:

12 h. 38 min.

Marugame in September

Minimum:

51.0°F

Average:

53.6°F

Maximum:

57.9°F

Sea water temperature in Marugame today

As of now, in Marugame, the water temperature is 82.3°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 0.4°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 also aligns closely with the historical average temperature for this date, indicating a typical climate pattern. The maximum temperature recorded for this date was 83.9°F on 2024, while the historical minimum was 79.6°F on 2016.

Over the last two weeks, the water temperature has stayed slightly above than historical averages for those days. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 82.3°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Marugame

Date Current Year

actual* / forecast**

last year 10 years average
Aug 26 85.6°F 83.7°F 83.2°F
Aug 27 86.2°F 84.6°F 83.3°F
Aug 28 85.3°F 84.6°F 83.3°F
Aug 29 84.8°F 84.4°F 83.0°F
Aug 30 83.9°F 85.7°F 83.2°F
Aug 31 85.8°F 86.2°F 83.2°F
Sep 1 85.6°F 85.7°F 83.2°F
Sep 2 85.6°F 87.0°F 83.0°F
Sep 3 85.0°F 86.3°F 82.8°F
Sep 4 84.9°F 86.3°F 82.8°F
Sep 5 84.3°F 85.7°F 82.6°F
Sep 6 83.8°F 84.9°F 82.5°F
Sep 7 83.2°F 84.3°F 82.3°F
Sep 8 82.9°F 83.8°F 82.0°F
Sep 9 82.3°F 83.6°F 81.8°F
Sep 10 82.4°F 83.8°F 81.9°F
Sep 11 82.5°F 83.4°F 82.1°F
Sep 12 82.4°F 83.2°F 82.0°F
Sep 13 82.4°F 83.0°F 82.0°F
Sep 14 82.3°F 83.8°F 81.9°F
Sep 15 81.9°F 83.3°F 81.4°F
Sep 16 81.9°F 84.0°F 81.5°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 82.0°F 16mi
Kurashiki 82.2°F 21mi
Okayama 82.1°F 27mi
Fukuyama 82.7°F 27mi
Niihama 83.1°F 35mi
Saijō 82.7°F 43mi
Tokushima 80.7°F 47mi
Himeji 81.7°F 64mi

* current water temperature in this city

** straight line distance from Marugame