What is the current water temperature in Marugame?

Q: What is the current water temperature in Marugame?

As of now, in Marugame, the water temperature is 16.68°C. Swimming in water of this temperature is generally concidered to be cool, and most people won't really enjoy it.

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.

62.0

°F

May 8, 22:38

Trend:

increasing

Yesterday:

60.6°F

Tomorrow:

62.2°F

Sunrise:

05:09

Sunset:

18:54

Day Length:

13 h. 45 min.

Marugame in May

Minimum:

50.5°F

Average:

54.4°F

Maximum:

58.1°F

Sea water temperature in Marugame today

As of now, in Marugame, the water temperature is 62.0°F. Swimming in water of this temperature is generally concidered to be cool, and most people won't really enjoy it. Today's reading is 0.2°F higher than the average recorded on this particular day in recent years. Since yesterday, there was a noticeable 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

The water temperature today is above average for the last two weeks, showing a small increase in temperature. 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 63.4°F on 2018, while the historical minimum was 60.7°F on 2025.

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 62.4°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
Apr 24	61.3°F	58.4°F	59.1°F
Apr 25	61.9°F	59.4°F	59.5°F
Apr 26	61.2°F	57.3°F	59.2°F
Apr 27	61.0°F	57.5°F	59.3°F
Apr 28	60.3°F	58.0°F	59.4°F
Apr 29	61.3°F	57.7°F	59.5°F
Apr 30	61.4°F	59.3°F	59.9°F
May 1	62.3°F	58.6°F	59.9°F
May 2	63.0°F	59.1°F	60.0°F
May 3	62.1°F	59.8°F	60.2°F
May 4	62.1°F	58.9°F	60.4°F
May 5	63.0°F	60.5°F	60.5°F
May 6	63.4°F	60.8°F	61.3°F
May 7	60.6°F	60.5°F	61.4°F
May 8	62.0°F	60.7°F	61.8°F
May 9	62.2°F	61.0°F	62.0°F
May 10	62.2°F	61.0°F	61.9°F
May 11	61.9°F	60.7°F	61.7°F
May 12	62.6°F	61.4°F	62.3°F
May 13	62.5°F	60.4°F	62.3°F
May 14	62.6°F	60.2°F	62.4°F
May 15	62.9°F	59.6°F	62.7°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, 57.4°F in Spring, 76.3°F in Summer, and 74.6°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Takamatsu	59.7°F	16mi
Kurashiki	66.0°F	21mi
Okayama	63.3°F	27mi
Fukuyama	64.0°F	27mi
Niihama	63.1°F	35mi
Saijō	62.5°F	43mi
Tokushima	63.2°F	47mi
Himeji	62.7°F	64mi

* current water temperature in this city

** straight line distance from Marugame