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Fukuyama

Water Temperature in the Seto Inland Sea in Fukuyama, Japan: Current, Historical Data and Forecast

On this page, you will find comprehensive information about the sea temperature in Fukuyama in Japan, including current readings, historical data and trends, monthly averages, as well as weather forecasts and upcoming temperature predictions. We find every spot where you can swim and tell you what the water temperature is there today and throughout the year.

Current Water Temperature in Fukuyama

12.2°C

TODAY

11.8°C

YESTERDAY

10.6°C

A WEEK AGO

Analysis, Historical Data, and Forecast of Water Temperature

Today sea water temperature in the Seto Inland Sea in Fukuyama is 12.2°C. The water is significantly warmer, and swimming becomes possible for most people. However, caution may still be required for prolonged stays in the water, as extended exposure can cause discomfort. This is a suitable temperature range for short swims and for those accustomed to cooler water. For more comfortable swimming, it is recommended to use proper gear.

It is important to note that these swimming tips and recommendations apply only in good weather. When the air temperature is below 68°F (20°C), and sometimes even below 77°F (25°C), swimming can be unpleasant even with relatively high water temperatures.

Water Temperature Chart for Seto Inland Sea in Fukuyama Over the Last 30 Days

The water temperature in Fukuyama today is lower than both a week ago and a month ago. Today's sea temperature is generally in line with historical values for this day.

According to our forecast, the sea temperature in Fukuyama will remain nearly unchanged in the coming days, its value will be 12.9°C.

Actual nearshore water temperatures may fluctuate by several degrees from the reported values, especially following heavy rainfall or extended periods of strong winds. Certain wind patterns can cause colder, deeper waters to rise and replace the sun-warmed surface water, leading to noticeable variations.

Our forecast is based on a proprietary mathematical model that considers real-time water temperature changes, historical trends, key weather patterns, wind strength and direction, and air temperature specific to each region. Additionally, we incorporate data from other resorts across Japan to enhance accuracy.

Water temperature data for Fukuyama and nearby towns and resorts is gathered from various sources, including buoys and satellite sea and ocean surface maps provided by the NOAA agency. We also incorporate data from local authorities in each specific location worldwide to ensure more accurate temperature readings.

Table of Daily Sea Temperature Data

Date	Current	Average	Forecast
Mar 23	10.6°C	13.0°C
Mar 24	10.8°C	12.3°C
Mar 25	11.1°C	12.5°C
Mar 26	10.7°C	13.0°C
Mar 27	12.0°C	12.8°C
Mar 28	11.4°C	13.0°C
Mar 29	11.8°C	13.3°C
Mar 30	11.7°C	13.5°C
Mar 31		12.5°C	12.2°C
Apr 1		13.5°C	12.3°C
Apr 2		13.5°C	12.4°C
Apr 3		13.8°C	12.5°C
Apr 4		13.3°C	12.6°C
Apr 5		13.3°C	12.7°C
Apr 6		13.5°C	12.8°C
Apr 7		13.8°C	12.9°C

* Current - Actual water temperature value

** Average - Average water temperature on this day in recent years

*** Forecast - Our water temperature forecast

Sea Temperature in Fukuyama Throughout the Year

Throughout the year, the sea temperature in Fukuyama exceeds 77°F (25°C) for 76 days, exceeds 72°F (22°C) for 137 days, and exceeds 64°F (18°C) for 185 days.

Below is the annual chart of sea temperature changes in the Seto Inland Sea in Fukuyama.

January

Minimum	Average	Maximum
11°C	13.5°C	16°C

February

Minimum	Average	Maximum
9°C	12°C	15°C

March

Minimum	Average	Maximum
9°C	12°C	15°C

April

Minimum	Average	Maximum
11°C	14°C	17°C

May

Minimum	Average	Maximum
14°C	17.5°C	21°C

June

Minimum	Average	Maximum
17°C	21°C	25°C

July

Minimum	Average	Maximum
21°C	24.5°C	28°C

August

Minimum	Average	Maximum
25°C	28°C	31°C

September

Minimum	Average	Maximum
24°C	27.5°C	31°C

October

Minimum	Average	Maximum
21°C	24.5°C	28°C

November

Minimum	Average	Maximum
17°C	20.5°C	24°C

December

Minimum	Average	Maximum
13°C	16.5°C	20°C

Monthly Water Temperature Histogram for Seto Inland Sea in Fukuyama

You can explore detailed data on how the water temperature in Fukuyama varies each month:

Fukuyama Weather

MARCH 31

5°C / 14°C

overcast clouds: 85-100%

humidity: 55% | wind: 2 km/h

APRIL 1

8°C / 16°C

scattered clouds: 25-50%

humidity: 62% | wind: 2 km/h

APRIL 2

7°C / 17°C

clear sky

humidity: 54% | wind: 2 km/h

APRIL 3

7°C / 7°C

overcast clouds: 85-100%

humidity: 75% | wind: 2 km/h

Sea Temperature in the Seto Inland Sea in Fukuyama: General Trends and Swimming Opportunities

Original name

福山市

The Local Time

20:15

Time Zone

UTC+9

Sunrise

05:56

Sunset

18:25

Length of the day

12 h 28 m

The coastal area of Hiroshima Prefecture, Japan, experiences a humid subtropical climate with hot and humid summers, and cool to mild winters. The region is subject to significant rainfall throughout the year, with the highest precipitation occurring around August.

Fukuyama is located in Asia in the Northern Hemisphere at a latitude of 34 degrees, along the shores of the Seto Inland Sea. Fukuyama lies within the Hiroshima Prefecture in Japan.

The average annual daytime air temperature in Fukuyama is 20°C (68°F), with the average nighttime temperature being 12°C (54°F). The highest average daily temperature occurs in August, reaching 32°C (90°F), while the lowest is in January at 9°C (48°F). As for nighttime temperatures, the minimum average temperature of 1°C (34°F) is recorded in January, and the maximum is in August, reaching 23°C (74°F).

According to historical data, Fukuyama experiences 137 rainy days per year, which accounts for 38 percent of all days in the year. On average, there are 11 rainy days each month. The wettest month is July, with 14 rainy days and 265 mm (10.4 inches) of precipitation, while the driest month is November, which typically has 9 rainy days and only 87 mm (3.4 inches) of precipitation.

The average annual water temperature in Seto Inland Sea in Fukuyama is 19°C (66°F). In February, the water reaches its lowest point of the year at 9°C (48°F), while in August, it peaks at 31°C (88°F). The months suitable for comfortable beach vacations and swimming in the Seto Inland Sea are July, August, September, and October. During this period, the water temperature stays above 20°C (68°F) and can reach up to 31°C (88°F) on some days.

Geographical Location of Fukuyama

Nearby Cities

Frequently Asked Questions About Fukuyama and its Water Temperatures

What is the current sea temperature in Fukuyama?

The water temperature today in the Seto Inland Sea in Fukuyama is 54°F (12.2°C).

In which months is the water temperature in Fukuyama comfortable for swimming?

The water temperature in the Seto Inland Sea in Fukuyama is comfortable for swimming and beach vacations in July, August, September, and October.

What is the water temperature in Fukuyama during the winter?

The water temperature in the Seto Inland Sea in Fukuyama during the winter ranges from 9°C to 20°C (48°F to 68°F).

What is the water temperature in Fukuyama during the spring?

The water temperature in the Seto Inland Sea in Fukuyama during the spring ranges from 9°C to 21°C (48°F to 70°F).

What is the water temperature in Fukuyama during the summer?

The water temperature in the Seto Inland Sea in Fukuyama during the summer ranges from 17°C to 31°C (63°F to 88°F).

What is the water temperature in Fukuyama during the fall?

The water temperature in the Seto Inland Sea in Fukuyama during the fall ranges from 17°C to 31°C (63°F to 88°F).

Is it possible to swim in the sea in Fukuyama year-round?

No, it is not possible to swim in the Seto Inland Sea in Fukuyama year-round, the months suitable for comfortable swimming are July, August, September, and October.

What sea temperatures can I expect in Fukuyama in the next month?

In April, the water temperature in the Seto Inland Sea in Fukuyama will range between 52°F (11°C) and 63°F (17°C)