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Fukuoka

Water Temperature in the Sea of Japan in Fukuoka, Japan: Current, Historical Data and Forecast

On this page, you will find comprehensive information about the sea temperature in Fukuoka 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 Fukuoka

65°F

TODAY

64°F

YESTERDAY

64°F

A WEEK AGO

All water temperature data is now available in our official mobile apps — for iOS and Android.

Analysis, Historical Data, and Forecast of Water Temperature

Today sea water temperature in the Sea of Japan in Fukuoka is 17.6°F. This is already quite warm water, which is ideal for most people. Swimming becomes comfortable, and prolonged stays in the water do not cause discomfort. This temperature is perfect for family trips and for those who prefer warmer water. It is also comfortable for water sports such as surfing or swimming.

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 Sea of Japan in Fukuoka Over the Last 30 Days

The water temperature in Fukuoka 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 Fukuoka will remain nearly unchanged in the coming days, its value will be 66°F.

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 Fukuoka 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

DateCurrentAverageForecast
May 2464°F65°F
May 2564°F66°F
May 2664°F65°F
May 2765°F66°F
May 2864°F66°F
May 2965°F67°F
May 3064°F68°F
May 3165°F68°F
Jun 165°F65°F
Jun 266°F65°F
Jun 367°F65°F
Jun 466°F65°F
Jun 566°F65°F
Jun 667°F66°F
Jun 767°F66°F
Jun 868°F66°F
* Current - Actual water temperature value
** Average - Average water temperature on this day in recent years
*** Forecast - Our water temperature forecast

Sea Temperature in Fukuoka Throughout the Year

Throughout the year, the sea temperature in Fukuoka exceeds 77°F (25°C) for 66 days, exceeds 72°F (22°C) for 127 days, and exceeds 64°F (18°C) for 199 days.

Below is the annual chart of sea temperature changes in the Sea of Japan in Fukuoka.

January

MinimumAverageMaximum
48°F55°F61°F

February

MinimumAverageMaximum
45°F53°F61°F

March

MinimumAverageMaximum
45°F53°F61°F

April

MinimumAverageMaximum
48°F56°F64°F

May

MinimumAverageMaximum
52°F61°F70°F

June

MinimumAverageMaximum
59°F67°F75°F

July

MinimumAverageMaximum
66°F75°F84°F

August

MinimumAverageMaximum
75°F81°F86°F

September

MinimumAverageMaximum
72°F78°F84°F

October

MinimumAverageMaximum
70°F75°F81°F

November

MinimumAverageMaximum
59°F66°F73°F

December

MinimumAverageMaximum
48°F58°F68°F

Monthly Water Temperature Histogram for Sea of Japan in Fukuoka

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

What Beaches Are There In and Around Fukuoka?

Momochi Seaside Park

Momochi Seaside Park is a 1-stars sandy beach, located in a 5 km (3 miles) radius of Fukuoka.

Saitozakiminami Park

Saitozakiminami Park is a 1-stars sandy beach, located in a 7 km (4 miles) radius of Fukuoka.

Genkoborui Iki-no-Matsubara Area

Genkoborui Iki-no-Matsubara Area is a 2-stars sandy beach, located in a 8 km (5 miles) radius of Fukuoka. Snorkeling is possible.

Nokonoshima Camp Mura Beach Resort

Nokonoshima Camp Mura Beach Resort is a 1-stars sandy beach, located in a 10 km (6 miles) radius of Fukuoka.

Fukuoka Weather

JUNE 1

63°F / 66°F
overcast clouds: 85-100%

humidity: 72% | wind: 1 mph

JUNE 2

61°F / 66°F
moderate rain

humidity: 91% | wind: 1 mph

JUNE 3

63°F / 72°F
scattered clouds: 25-50%

humidity: 70% | wind: 2 mph

Sea Temperature in the Sea of Japan in Fukuoka: General Trends and Swimming Opportunities

Original name
福岡市
The Local Time
10:38 AM
Time Zone
UTC+9
Sunrise
05:09 AM
Sunset
07:22 PM
Length of the day
14 h 13 m

Fukuoka Prefecture, located in the coastal area of Japan, has a humid subtropical climate, featuring mild winters and hot, humid summers. Its proximity to the sea moderates its climate, making it relatively temperate with considerable rainfall throughout the year.

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

The average annual daytime air temperature in Fukuoka is 21°C (70°F), with the average nighttime temperature being 13°C (55°F). The highest average daily temperature occurs in August, reaching 32°C (89°F), while the lowest is in January at 10°C (49°F). As for nighttime temperatures, the minimum average temperature of 3°C (38°F) is recorded in January, and the maximum is in August, reaching 24°C (76°F).

According to historical data, Fukuoka experiences 133 rainy days per year, which accounts for 36 percent of all days in the year. On average, there are 11 rainy days each month. The wettest month is July, with 15 rainy days and 287 mm (11.3 inches) of precipitation, while the driest month is October, which typically has 8 rainy days and only 85 mm (3.3 inches) of precipitation.

The average annual water temperature in Sea of Japan in Fukuoka is 18°C (64°F). In February, the water reaches its lowest point of the year at 7°C (45°F), while in August, it peaks at 30°C (86°F). The months suitable for comfortable beach vacations and swimming in the Sea of Japan are August, September, and October. During this period, the water temperature stays above 20°C (68°F) and can reach up to 30°C (86°F) on some days.

Geographical Location of Fukuoka

Frequently Asked Questions About Fukuoka and its Water Temperatures

What is the current sea temperature in Fukuoka?

The water temperature today in the Sea of Japan in Fukuoka is 65°F (18.5°C).

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

The water temperature in the Sea of Japan in Fukuoka is comfortable for swimming and beach vacations in August, September, and October.

What is the water temperature in Fukuoka during the winter?

The water temperature in the Sea of Japan in Fukuoka during the winter ranges from 7°C to 20°C (45°F to 68°F).

What is the water temperature in Fukuoka during the spring?

The water temperature in the Sea of Japan in Fukuoka during the spring ranges from 7°C to 21°C (45°F to 70°F).

What is the water temperature in Fukuoka during the summer?

The water temperature in the Sea of Japan in Fukuoka during the summer ranges from 15°C to 30°C (59°F to 86°F).

What is the water temperature in Fukuoka during the fall?

The water temperature in the Sea of Japan in Fukuoka during the fall ranges from 15°C to 29°C (59°F to 84°F).

Is it possible to swim in the sea in Fukuoka at any time of the year?

The Sea of Japan in Fukuoka is quite cool, and swimming is only possible in May, June, July, August, September, October, and November when the water temperature reaches 21°C (70°F).

Is Fukuoka a popular tourist destination for beach vacations?

Fukuoka has a moderate level of popularity for beach vacations; while it does receive some visitors, it is not among the top seaside destinations, as other locations may offer more favorable conditions.

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

In June, the water temperature in the Sea of Japan in Fukuoka will range between 59°F (15°C) and 75°F (24°C)