All data are in degrees Fahrenheit

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Water temperature in Fukuyama

Detailed information about the current water temperature in Fukuyama. 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 Fukuyama now

84.3

°F

September 7, 07:14

Trend:

decreasing

Yesterday:

84.4°F

Tomorrow:

84.2°F

Sunrise:

05:43

Sunset:

18:26

Day Length:

12 h. 43 min.

Fukuyama in September

Minimum:

51.8°F

Average:

54.0°F

Maximum:

56.8°F

Sea water temperature in Fukuyama today

As of now, in Fukuyama, the water temperature is 84.3°F. Swimming in water of this temperature is considered highly warm and would be enjoyable for everyone. At this temperature, you can comfortably engage in water-based activities for extended periods without experiencing discomfort. Today's reading is 1.6°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 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 is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 84.7°F on 2025, while the historical minimum was 79.9°F on 2016.

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 84.0°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Fukuyama

Date Current Year

actual* / forecast**

last year 10 years average
Aug 24 85.9°F 85.5°F 84.0°F
Aug 25 86.1°F 85.4°F 84.0°F
Aug 26 86.1°F 84.9°F 83.9°F
Aug 27 87.9°F 85.9°F 84.1°F
Aug 28 86.8°F 85.7°F 84.2°F
Aug 29 86.4°F 86.0°F 84.0°F
Aug 30 86.9°F 86.1°F 84.1°F
Aug 31 89.7°F 86.2°F 84.1°F
Sep 1 86.0°F 86.6°F 83.8°F
Sep 2 87.0°F 87.4°F 83.6°F
Sep 3 86.1°F 86.9°F 83.2°F
Sep 4 85.8°F 86.6°F 83.3°F
Sep 5 85.0°F 85.9°F 83.0°F
Sep 6 84.4°F 85.5°F 82.8°F
Sep 7 84.3°F 84.7°F 82.7°F
Sep 8 84.2°F 85.7°F 82.6°F
Sep 9 84.1°F 85.1°F 82.5°F
Sep 10 84.0°F 85.5°F 82.4°F
Sep 11 84.1°F 84.6°F 82.5°F
Sep 12 84.2°F 84.6°F 82.6°F
Sep 13 84.0°F 84.2°F 82.4°F
Sep 14 83.8°F 83.7°F 82.2°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 Fukuyama by month

In Fukuyama, the months July through October offer comfortable swimming conditions, which amounts to 116 swimming days.
The warmest water in Fukuyama was recorded on August 31, 2026, reaching a 89.7°F. While the coldest temperature occurred on March 4, 2022, dipping to 46.1°F. The average readings by season are 54.5°F in Winter, 58.2°F in Spring, 77.6°F in Summer, and 74.7°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Kurashiki 83.7°F 24mi
Marugame 83.7°F 27mi
Okayama 83.6°F 34mi
Niihama 84.8°F 36mi
Takamatsu 83.6°F 40mi
Saijō 84.4°F 41mi
Hiroshima 81.6°F 53mi
Matsuyama 78.5°F 56mi
Yonago 83.1°F 66mi

* current water temperature in this city

** straight line distance from Fukuyama