What is the current water temperature in Marugame?

As of now, in Marugame, the water temperature is 27.51°C. It's safe to say that the water is comfortably warm for various water-related activities.

Japan > Marugame

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.

81.5

°F

August 15, 22:57

Trend:

increasing

Yesterday:

80.8°F

Tomorrow:

81.7°F

Sunrise:

05:25

Sunset:

18:53

Day Length:

13 h. 28 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 81.5°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 0.9°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 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 also aligns closely with the historical average temperature for this date, indicating a typical climate pattern. The maximum temperature recorded for this date was 84.1°F on 2022, while the historical minimum was 80.3°F on 2019.

latest data

last year

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. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 81.6°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 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	81.9°F
Aug 15	81.5°F	83.7°F	82.4°F
Aug 16	81.7°F	83.3°F	82.6°F
Aug 17	81.7°F	83.4°F	82.6°F
Aug 18	81.4°F	83.7°F	82.3°F
Aug 19	81.4°F	83.9°F	82.3°F
Aug 20	81.4°F	83.7°F	82.2°F
Aug 21	81.7°F	84.0°F	82.6°F
Aug 22	81.9°F	84.5°F	82.8°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	80.6°F	16mi
Kurashiki	83.5°F	21mi
Okayama	82.3°F	27mi
Fukuyama	83.1°F	27mi
Niihama	82.4°F	35mi
Saijō	81.4°F	43mi
Tokushima	80.5°F	47mi
Himeji	83.4°F	64mi

* current water temperature in this city

** straight line distance from Marugame