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Saga
Water Temperature in the Seto Inland Sea in Saga, Japan: Current, Historical Data and Forecast
On this page, you will find comprehensive information about the sea temperature in Saga 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 Saga
71°F
TODAY
71°F
YESTERDAY
72°F
A WEEK AGO
Analysis, Historical Data, and Forecast of Water Temperature
Today sea water temperature in the Seto Inland Sea in Saga is 21.9°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 Seto Inland Sea in Saga Over the Last 30 Days
The water temperature in Saga 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 Saga will remain nearly unchanged in the coming days, its value will be 69°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 Saga 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 |
|---|---|---|---|
| Nov 7 | 72°F | 72°F | |
| Nov 8 | 73°F | 71°F | |
| Nov 9 | 72°F | 71°F | |
| Nov 10 | 71°F | 70°F | |
| Nov 11 | 71°F | 70°F | |
| Nov 12 | 70°F | 69°F | |
| Nov 13 | 71°F | 70°F | |
| Nov 14 | 71°F | 70°F | |
| Nov 15 | 69°F | 71°F | |
| Nov 16 | 69°F | 70°F | |
| Nov 17 | 69°F | 70°F | |
| Nov 18 | 69°F | 70°F | |
| Nov 19 | 70°F | 70°F | |
| Nov 20 | 69°F | 70°F | |
| Nov 21 | 68°F | 70°F | |
| Nov 22 | 68°F | 69°F |
Sea Temperature in Saga Throughout the Year
Throughout the year, the sea temperature in Saga exceeds 77°F (25°C) for 78 days, exceeds 72°F (22°C) for 138 days, and exceeds 64°F (18°C) for 210 days.
Below is the annual chart of sea temperature changes in the Seto Inland Sea in Saga.
January
| Minimum | Average | Maximum |
|---|---|---|
| 55°F | 61°F | 66°F |
February
| Minimum | Average | Maximum |
|---|---|---|
| 54°F | 58°F | 63°F |
March
| Minimum | Average | Maximum |
|---|---|---|
| 54°F | 58°F | 63°F |
April
| Minimum | Average | Maximum |
|---|---|---|
| 55°F | 61°F | 66°F |
May
| Minimum | Average | Maximum |
|---|---|---|
| 61°F | 67°F | 73°F |
June
| Minimum | Average | Maximum |
|---|---|---|
| 66°F | 73°F | 79°F |
July
| Minimum | Average | Maximum |
|---|---|---|
| 70°F | 76°F | 82°F |
August
| Minimum | Average | Maximum |
|---|---|---|
| 77°F | 82°F | 86°F |
September
| Minimum | Average | Maximum |
|---|---|---|
| 75°F | 81°F | 86°F |
October
| Minimum | Average | Maximum |
|---|---|---|
| 70°F | 75°F | 81°F |
November
| Minimum | Average | Maximum |
|---|---|---|
| 63°F | 69°F | 75°F |
December
| Minimum | Average | Maximum |
|---|---|---|
| 59°F | 64°F | 70°F |
Monthly Water Temperature Histogram for Seto Inland Sea in Saga
You can explore detailed data on how the water temperature in Saga varies each month:
Saga Weather
NOVEMBER 15
57°F / 68°F
clear skyhumidity: 48% | wind: 1 mph
NOVEMBER 16
54°F / 68°F
clear skyhumidity: 53% | wind: 2 mph
NOVEMBER 17
50°F / 54°F
overcast clouds: 85-100%humidity: 51% | wind: 2 mph
NOVEMBER 18
52°F / 52°F
broken clouds: 51-84%humidity: 55% | wind: 1 mph
Sea Temperature in the Seto Inland Sea in Saga: General Trends and Swimming Opportunities
Saga Prefecture, located along the coast in Japan, experiences a humid subtropical climate with mild, cool winters and warm, humid summers. While rainfall is common throughout the year, it is particularly heavy during the June to July rainy season and is typically accompanied by high humidity.
Saga is located in Asia in the Northern Hemisphere at a latitude of 33 degrees, along the shores of the Seto Inland Sea. Saga lies within the Saga Prefecture in Japan.
The average annual daytime air temperature in Saga 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, Saga 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 Seto Inland Sea in Saga is 20°C (68°F). In February, the water reaches its lowest point of the year at 12°C (54°F), while in August, it peaks at 30°C (86°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 30°C (86°F) on some days.
Geographical Location of Saga
Frequently Asked Questions About Saga and its Water Temperatures
What is the current sea temperature in Saga?
The water temperature today in the Seto Inland Sea in Saga is 71°F (21.5°C).
In which months is the water temperature in Saga comfortable for swimming?
The water temperature in the Seto Inland Sea in Saga is comfortable for swimming and beach vacations in July, August, September, and October.
What is the water temperature in Saga during the winter?
The water temperature in the Seto Inland Sea in Saga during the winter ranges from 12°C to 21°C (54°F to 70°F).
What is the water temperature in Saga during the spring?
The water temperature in the Seto Inland Sea in Saga during the spring ranges from 12°C to 23°C (54°F to 73°F).
What is the water temperature in Saga during the summer?
The water temperature in the Seto Inland Sea in Saga during the summer ranges from 19°C to 30°C (66°F to 86°F).
What is the water temperature in Saga during the fall?
The water temperature in the Seto Inland Sea in Saga during the fall ranges from 17°C to 30°C (63°F to 86°F).
Is it possible to swim in the sea in Saga year-round?
No, it is not possible to swim in the Seto Inland Sea in Saga year-round, the months suitable for comfortable swimming are July, August, September, and October.
What sea temperatures can I expect in Saga in the next month?
In December, the water temperature in the Seto Inland Sea in Saga will range between 59°F (15°C) and 70°F (21°C)