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Water Temperature in the Pacific Ocean in Tokyo, Japan: Current, Historical Data and Forecast
On this page, you will find comprehensive information about the sea temperature in Tokyo 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 Tokyo
14.2°C
TODAY
14.3°C
YESTERDAY
14.1°C
A WEEK AGO
Analysis, Historical Data, and Forecast of Water Temperature
Today sea water temperature in the Pacific Ocean in Tokyo is 14.2°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 Pacific Ocean in Tokyo Over the Last 30 Days
The water temperature in Tokyo 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 Tokyo will remain nearly unchanged in the coming days, its value will be 14.6°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 Tokyo 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 | 14.1°C | 15.0°C | |
| Mar 21 | 14.2°C | 14.8°C | |
| Mar 22 | 14.4°C | 14.5°C | |
| Mar 23 | 14.4°C | 14.8°C | |
| Mar 24 | 13.4°C | 15.0°C | |
| Mar 25 | 13.6°C | 14.8°C | |
| Mar 26 | 14.3°C | 15.0°C | |
| Mar 27 | 14.2°C | 15.0°C | |
| Mar 28 | 15.5°C | 14.3°C | |
| Mar 29 | 15.0°C | 14.4°C | |
| Mar 30 | 15.3°C | 14.5°C | |
| Mar 31 | 15.3°C | 14.6°C | |
| Apr 1 | 14.3°C | 14.6°C | |
| Apr 2 | 14.3°C | 14.6°C | |
| Apr 3 | 14.3°C | 14.6°C | |
| Apr 4 | 14.3°C | 14.6°C |
Sea Temperature in Tokyo Throughout the Year
Throughout the year, the sea temperature in Tokyo exceeds 77°F (25°C) for 54 days, exceeds 72°F (22°C) for 112 days, and exceeds 64°F (18°C) for 196 days.
Below is the annual chart of sea temperature changes in the Pacific Ocean in Tokyo.
January
| Minimum | Average | Maximum |
|---|---|---|
| 8°C | 13.5°C | 19°C |
February
| Minimum | Average | Maximum |
|---|---|---|
| 8°C | 13°C | 18°C |
March
| Minimum | Average | Maximum |
|---|---|---|
| 7°C | 12°C | 17°C |
April
| Minimum | Average | Maximum |
|---|---|---|
| 10°C | 14.5°C | 19°C |
May
| Minimum | Average | Maximum |
|---|---|---|
| 12°C | 16.5°C | 21°C |
June
| Minimum | Average | Maximum |
|---|---|---|
| 15°C | 19.5°C | 24°C |
July
| Minimum | Average | Maximum |
|---|---|---|
| 19°C | 23°C | 27°C |
August
| Minimum | Average | Maximum |
|---|---|---|
| 21°C | 25°C | 29°C |
September
| Minimum | Average | Maximum |
|---|---|---|
| 19°C | 24°C | 29°C |
October
| Minimum | Average | Maximum |
|---|---|---|
| 16°C | 21°C | 26°C |
November
| Minimum | Average | Maximum |
|---|---|---|
| 13°C | 18.5°C | 24°C |
December
| Minimum | Average | Maximum |
|---|---|---|
| 9°C | 15°C | 21°C |
Monthly Water Temperature Histogram for Pacific Ocean in Tokyo
You can explore detailed data on how the water temperature in Tokyo varies each month:
Tokyo Weather
MARCH 28
7°C / 11°C
light rainhumidity: 74% | wind: 6 km/h
MARCH 29
7°C / 11°C
overcast clouds: 85-100%humidity: 62% | wind: 4 km/h
MARCH 30
7°C / 12°C
overcast clouds: 85-100%humidity: 42% | wind: 4 km/h
Sea Temperature in the Pacific Ocean in Tokyo: General Trends and Swimming Opportunities
Tokyo Metropolis, situated in the coastal region of Japan, experiences a humid subtropical climate with hot, humid summers and generally mild winters with cool spells. It also receives regular rainfall, most heavily during the June to September monsoon season, with occasional typhoons.
Tokyo is located in Asia in the Northern Hemisphere at a latitude of 36 degrees, along the shores of the Pacific Ocean. Tokyo lies within the Tokyo Metropolis in Japan.
The average annual daytime air temperature in Tokyo 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 2°C (35°F) is recorded in January, and the maximum is in August, reaching 24°C (75°F).
According to historical data, Tokyo 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 157 mm (6.2 inches) of precipitation, while the driest month is November, which typically has 9 rainy days and only 86 mm (3.4 inches) of precipitation.
The average annual water temperature in Pacific Ocean in Tokyo is 18°C (64°F). In March, the water reaches its lowest point of the year at 7°C (45°F), while in August, it peaks at 29°C (84°F). The month suitable for comfortable beach vacations and swimming in the Pacific Ocean is August. During this month, the water temperature stays above 20°C (68°F) and can reach up to 29°C (84°F) on some days.
Geographical Location of Tokyo
Frequently Asked Questions About Tokyo and its Water Temperatures
What is the current sea temperature in Tokyo?
The water temperature today in the Pacific Ocean in Tokyo is 58°F (14.2°C).
In which months is the water temperature in Tokyo comfortable for swimming?
The water temperature in the Pacific Ocean in Tokyo is comfortable for swimming and beach vacations in August.
What is the water temperature in Tokyo during the winter?
The water temperature in the Pacific Ocean in Tokyo during the winter ranges from 8°C to 21°C (46°F to 70°F).
What is the water temperature in Tokyo during the spring?
The water temperature in the Pacific Ocean in Tokyo during the spring ranges from 7°C to 21°C (45°F to 70°F).
What is the water temperature in Tokyo during the summer?
The water temperature in the Pacific Ocean in Tokyo during the summer ranges from 15°C to 29°C (59°F to 84°F).
What is the water temperature in Tokyo during the fall?
The water temperature in the Pacific Ocean in Tokyo during the fall ranges from 13°C to 29°C (55°F to 84°F).
Is it possible to swim in the sea in Tokyo at any time of the year?
The Pacific Ocean in Tokyo is quite cool, and swimming is only possible in May, June, July, August, September, October, November, and December when the water temperature reaches 21°C (70°F).
Is Tokyo a popular tourist destination for beach vacations?
Tokyo 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 Tokyo in the next month?
In April, the water temperature in the Pacific Ocean in Tokyo will range between 50°F (10°C) and 66°F (19°C)