Search for cities, countries, lakes and rivers
Okinawa
Water Temperature in the East China Sea in Okinawa, Japan: Current, Historical Data and Forecast
On this page, you will find comprehensive information about the sea temperature in Okinawa 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 Okinawa
70°F
TODAY
71°F
YESTERDAY
71°F
A WEEK AGO
Analysis, Historical Data, and Forecast of Water Temperature
Today sea water temperature in the East China Sea in Okinawa is 21.6°F. The water is warm and pleasant for swimming, and in this range, one can stay in the water for extended periods without the risk of hypothermia. This is the ideal temperature for relaxation, swimming, and water sports. Families with children, as well as outdoor enthusiasts, will enjoy swimming and time spent in the water. For most people, this is the optimal temperature for a comfortable beach experience.
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 East China Sea in Okinawa Over the Last 30 Days
The water temperature in Okinawa 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 Okinawa will remain nearly unchanged in the coming days, its value will be 70°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 Okinawa 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 20 | 71°F | 71°F | |
| Mar 21 | 71°F | 73°F | |
| Mar 22 | 71°F | 69°F | |
| Mar 23 | 71°F | 70°F | |
| Mar 24 | 70°F | 70°F | |
| Mar 25 | 71°F | 70°F | |
| Mar 26 | 71°F | 69°F | |
| Mar 27 | 70°F | 69°F | |
| Mar 28 | 70°F | 70°F | |
| Mar 29 | 68°F | 69°F | |
| Mar 30 | 69°F | 69°F | |
| Mar 31 | 69°F | 69°F | |
| Apr 1 | 69°F | 69°F | |
| Apr 2 | 70°F | 69°F | |
| Apr 3 | 71°F | 70°F | |
| Apr 4 | 69°F | 70°F |
Sea Temperature in Okinawa Throughout the Year
Throughout the year, the sea temperature in Okinawa is always above 64°F (18°C), the sea temperature exceeds 72°F (22°C) for 278 days, and exceeds 77°F (25°C) for 196 days.
Below is the annual chart of sea temperature changes in the East China Sea in Okinawa.
January
| Minimum | Average | Maximum |
|---|---|---|
| 64°F | 70°F | 75°F |
February
| Minimum | Average | Maximum |
|---|---|---|
| 64°F | 69°F | 73°F |
March
| Minimum | Average | Maximum |
|---|---|---|
| 59°F | 67°F | 75°F |
April
| Minimum | Average | Maximum |
|---|---|---|
| 63°F | 71°F | 79°F |
May
| Minimum | Average | Maximum |
|---|---|---|
| 70°F | 76°F | 82°F |
June
| Minimum | Average | Maximum |
|---|---|---|
| 73°F | 80°F | 86°F |
July
| Minimum | Average | Maximum |
|---|---|---|
| 77°F | 82°F | 88°F |
August
| Minimum | Average | Maximum |
|---|---|---|
| 79°F | 83°F | 88°F |
September
| Minimum | Average | Maximum |
|---|---|---|
| 77°F | 82°F | 88°F |
October
| Minimum | Average | Maximum |
|---|---|---|
| 75°F | 81°F | 86°F |
November
| Minimum | Average | Maximum |
|---|---|---|
| 70°F | 77°F | 84°F |
December
| Minimum | Average | Maximum |
|---|---|---|
| 72°F | 75°F | 79°F |
Monthly Water Temperature Histogram for East China Sea in Okinawa
You can explore detailed data on how the water temperature in Okinawa varies each month:
What Beaches Are There In and Around Okinawa?
Naha Beach
Naha Beach is a 3-stars sandy beach, is located directly in Okinawa. There are restrooms. There are cafés. Snorkeling is possible.
Naminoue Beach
Naminoue Beach is a 5-stars sandy beach, is located directly in Okinawa. There are lifeguards on the beach. There is parking. There are restrooms. There are cafés. Snorkeling is possible. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Senaga Nishi Beach
Senaga Nishi Beach is a 2-stars sandy beach, located in a 6 km (4 miles) radius of Okinawa. There is parking.
Chara Sun Beach
Chara Sun Beach is a 4-stars sandy beach, located in a 7 km (4 miles) radius of Okinawa. It has been awarded the prestigious Blue Flag, ensuring high environmental and quality standards. There are lifeguards on the beach. There is parking. There are cafés. Chara Sun Beach is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish.
Toyosaki Seaside Park
Toyosaki Seaside Park is a 4-stars sandy beach, located in a 7 km (4 miles) radius of Okinawa. There is parking. There are restrooms. There are cafés. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Itoman Bibi Beach
Itoman Bibi Beach is a 3-stars sandy beach, located in a 9 km (6 miles) radius of Okinawa. There is parking. There are restrooms. Itoman Bibi Beach is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish. Snorkeling is possible.
Tropical Beach
Tropical Beach is a 5-stars sandy beach, located in a 9 km (6 miles) radius of Okinawa. There are lifeguards on the beach. There is parking. There are restrooms. Tropical Beach is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish. Snorkeling is possible. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Nishihara Kira Kira Beach
Nishihara Kira Kira Beach is a 1-stars sandy beach, located in a 9 km (6 miles) radius of Okinawa.
Okinawa Weather
MARCH 28
59°F / 64°F
light rainhumidity: 73% | wind: 5 mph
MARCH 29
59°F / 63°F
light rainhumidity: 80% | wind: 6 mph
MARCH 30
61°F / 68°F
moderate rainhumidity: 85% | wind: 6 mph
MARCH 31
70°F / 70°F
moderate rainhumidity: 91% | wind: 9 mph
Sea Temperature in the East China Sea in Okinawa: General Trends and Swimming Opportunities
Okinawa Prefecture, Japan, in the coastal area, experiences a subtropical climate, characterized by high humidity and mild temperatures year-round. This weather features warm winters and hot summers with a high rainfall, especially during the typhoon season from June to October.
Okinawa is located in Asia in the Northern Hemisphere at a latitude of 26 degrees, along the shores of the East China Sea. Okinawa lies within the Okinawa Prefecture in Japan.
The average annual daytime air temperature in Okinawa is 26°C (79°F), with the average nighttime temperature being 20°C (68°F). The highest average daily temperature occurs in July, reaching 32°C (89°F), while the lowest is in January at 20°C (68°F). As for nighttime temperatures, the minimum average temperature of 14°C (57°F) is recorded in January, and the maximum is in July, reaching 26°C (79°F).
According to historical data, Okinawa experiences 148 rainy days per year, which accounts for 41 percent of all days in the year. On average, there are 12 rainy days each month. The wettest month is August, with 14 rainy days and 220 mm (8.7 inches) of precipitation, while the driest month is July, which typically has 11 rainy days and only 137 mm (5.4 inches) of precipitation.
The average annual water temperature in East China Sea in Okinawa is 25°C (77°F). In March, the water reaches its lowest point of the year at 15°C (59°F), while in July, it peaks at 31°C (88°F). The months suitable for comfortable beach vacations and swimming in the East China Sea are May, June, July, August, September, October, November, and December. 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 Okinawa
Frequently Asked Questions About Okinawa and its Water Temperatures
What is the current sea temperature in Okinawa?
The water temperature today in the East China Sea in Okinawa is 70°F (21°C).
In which months is the water temperature in Okinawa comfortable for swimming?
The water temperature in the East China Sea in Okinawa is comfortable for swimming and beach vacations in May, June, July, August, September, October, November, and December.
What is the water temperature in Okinawa during the winter?
The water temperature in the East China Sea in Okinawa during the winter ranges from 18°C to 26°C (64°F to 79°F).
What is the water temperature in Okinawa during the spring?
The water temperature in the East China Sea in Okinawa during the spring ranges from 15°C to 28°C (59°F to 82°F).
What is the water temperature in Okinawa during the summer?
The water temperature in the East China Sea in Okinawa during the summer ranges from 23°C to 31°C (73°F to 88°F).
What is the water temperature in Okinawa during the fall?
The water temperature in the East China Sea in Okinawa during the fall ranges from 21°C to 31°C (70°F to 88°F).
Is it possible to swim in the sea in Okinawa year-round?
No, it is not possible to swim in the East China Sea in Okinawa year-round, the months suitable for comfortable swimming are May, June, July, August, September, October, November, and December.
Is Okinawa a popular tourist destination for beach vacations?
Okinawa a fairly popular beach destination, offering good conditions for swimming and relaxation, with a steady flow of tourists, especially during peak seasons.
What sea temperatures can I expect in Okinawa in the next month?
In April, the water temperature in the East China Sea in Okinawa will range between 63°F (17°C) and 79°F (26°C)