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 10.74°C. Swimming in water of this temperature is considered as extremely cold, and there's a substantial risk of hypothermia if exposed for more than a brief duration.

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.

51.3

°F

March 4, 19:21

Trend:

stable

Yesterday:

51.7°F

Tomorrow:

51.8°F

Sunrise:

06:31

Sunset:

18:03

Day Length:

11 h. 32 min.

Marugame in March

Minimum:

52.1°F

Average:

54.4°F

Maximum:

57.6°F

Sea water temperature in Marugame today

As of now, in Marugame, the water temperature is 51.3°F. Swimming in water of this temperature is considered as extremely cold, and there's a substantial risk of hypothermia if exposed for more than a brief duration. Today's reading is 0.6°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 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 58.4°F on 2016, while the historical minimum was 47.3°F on 2022.

latest data

last year

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 51.9°F, with minimum temperature starting at 51.5°F, while the maximum might reach 52.3°F.

Daily water temperature in Marugame

Date	Current Year actual* / forecast**	last year	10 years average
Feb 18	50.7°F	49.2°F	49.9°F
Feb 19	49.7°F	47.4°F	50.0°F
Feb 20	50.2°F	48.0°F	50.1°F
Feb 21	49.1°F	48.6°F	49.9°F
Feb 22	49.8°F	46.7°F	50.1°F
Feb 23	52.2°F	47.3°F	50.1°F
Feb 24	51.2°F	47.9°F	50.3°F
Feb 25	51.5°F	48.7°F	50.6°F
Feb 26	50.6°F	47.1°F	50.6°F
Feb 27	51.2°F	47.9°F	50.7°F
Feb 28	51.6°F	48.6°F	50.6°F
Mar 1	51.4°F	48.3°F	50.6°F
Mar 2	51.6°F	48.9°F	51.0°F
Mar 3	51.7°F	49.4°F	50.5°F
Mar 4	51.3°F	49.8°F	50.7°F
Mar 5	51.8°F	50.4°F	51.2°F
Mar 6	52.3°F	51.0°F	51.7°F
Mar 7	52.1°F	49.6°F	51.5°F
Mar 8	52.0°F	50.1°F	51.4°F
Mar 9	51.5°F	48.8°F	50.9°F
Mar 10	51.9°F	49.3°F	51.3°F
Mar 11	52.1°F	50.0°F	51.5°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, 57.3°F in Spring, 76.3°F in Summer, and 74.6°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Takamatsu	49.6°F	16mi
Kurashiki	52.2°F	21mi
Okayama	51.4°F	27mi
Fukuyama	51.7°F	27mi
Niihama	52.5°F	35mi
Saijō	53.3°F	43mi
Tokushima	51.6°F	47mi
Himeji	50.3°F	64mi

* current water temperature in this city

** straight line distance from Marugame