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Yokosuka
Water Temperature in the Pacific Ocean in Yokosuka, Japan: Current, Historical Data and Forecast
On this page, you will find comprehensive information about the sea temperature in Yokosuka 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 Yokosuka
57°F
TODAY
57°F
YESTERDAY
58°F
A WEEK AGO
Analysis, Historical Data, and Forecast of Water Temperature
Today sea water temperature in the Pacific Ocean in Yokosuka is 14.1°F. 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 Yokosuka Over the Last 30 Days
The water temperature in Yokosuka 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 Yokosuka will remain nearly unchanged in the coming days, its value will be 58°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 Yokosuka 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 | 58°F | 60°F | |
| Mar 21 | 58°F | 60°F | |
| Mar 22 | 59°F | 59°F | |
| Mar 23 | 58°F | 60°F | |
| Mar 24 | 57°F | 60°F | |
| Mar 25 | 57°F | 59°F | |
| Mar 26 | 57°F | 60°F | |
| Mar 27 | 57°F | 59°F | |
| Mar 28 | 60°F | 57°F | |
| Mar 29 | 60°F | 57°F | |
| Mar 30 | 60°F | 58°F | |
| Mar 31 | 61°F | 58°F | |
| Apr 1 | 57°F | 58°F | |
| Apr 2 | 58°F | 58°F | |
| Apr 3 | 58°F | 58°F | |
| Apr 4 | 58°F | 58°F |
Sea Temperature in Yokosuka Throughout the Year
Throughout the year, the sea temperature in Yokosuka exceeds 77°F (25°C) for 70 days, exceeds 72°F (22°C) for 129 days, and exceeds 64°F (18°C) for 206 days.
Below is the annual chart of sea temperature changes in the Pacific Ocean in Yokosuka.
January
| Minimum | Average | Maximum |
|---|---|---|
| 46°F | 56°F | 66°F |
February
| Minimum | Average | Maximum |
|---|---|---|
| 46°F | 55°F | 64°F |
March
| Minimum | Average | Maximum |
|---|---|---|
| 45°F | 54°F | 63°F |
April
| Minimum | Average | Maximum |
|---|---|---|
| 50°F | 58°F | 66°F |
May
| Minimum | Average | Maximum |
|---|---|---|
| 54°F | 62°F | 70°F |
June
| Minimum | Average | Maximum |
|---|---|---|
| 59°F | 67°F | 75°F |
July
| Minimum | Average | Maximum |
|---|---|---|
| 66°F | 73°F | 81°F |
August
| Minimum | Average | Maximum |
|---|---|---|
| 70°F | 77°F | 84°F |
September
| Minimum | Average | Maximum |
|---|---|---|
| 66°F | 76°F | 86°F |
October
| Minimum | Average | Maximum |
|---|---|---|
| 61°F | 70°F | 79°F |
November
| Minimum | Average | Maximum |
|---|---|---|
| 55°F | 65°F | 75°F |
December
| Minimum | Average | Maximum |
|---|---|---|
| 48°F | 59°F | 70°F |
Monthly Water Temperature Histogram for Pacific Ocean in Yokosuka
You can explore detailed data on how the water temperature in Yokosuka varies each month:
What Beaches Are There In and Around Yokosuka?
Beach Volleyball Court
Beach Volleyball Court is a 3-stars sandy beach, is located directly in Yokosuka. There is parking. There are restrooms. There are cafés.
Ashina Fishing Port
Ashina Fishing Port is a 3-stars sandy beach, is located directly in Yokosuka. There is parking. There are restrooms. Ashina Fishing Port is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Sarushima Beach
Sarushima Beach is a 3-stars sandy beach, located in a 2 km (1 miles) radius of Yokosuka. There are lifeguards on the beach. There is parking. There are restrooms.
Hatayamazaki Beach
Hatayamazaki Beach is a 3-stars sandy beach, located in a 6 km (4 miles) radius of Yokosuka. There is parking. There are restrooms. There are cafés.
Hashirimizu Beach
Hashirimizu Beach is a 3-stars sandy beach, located in a 6 km (4 miles) radius of Yokosuka. There is parking. There are restrooms. There are cafés. Hashirimizu Beach is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish. Snorkeling is possible.
Umi-No-Koen
Umi-No-Koen is a 5-stars sandy beach, located in a 7 km (4 miles) radius of Yokosuka. There are lifeguards on the beach. There is parking. There are restrooms. There are cafés. Umi-No-Koen is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish. It is suitable for surfing. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Uminokoen Beach
Uminokoen Beach is a 4-stars pebble beach, located in a 7 km (4 miles) radius of Yokosuka. There are lifeguards on the beach. There is parking. There are restrooms. There are cafés. Uminokoen Beach is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish. Snorkeling is possible.
Marine Park
Marine Park is a 3-stars pebble beach, located in a 7 km (4 miles) radius of Yokosuka. There is parking. There are restrooms. There are cafés. Marine Park is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish. Snorkeling is possible.
Kannonzaki Beach
Kannonzaki Beach is a 2-stars sandy beach, located in a 7 km (4 miles) radius of Yokosuka. There is parking. There are cafés.
Saitabama
Saitabama is a 3-stars sandy beach, located in a 8 km (5 miles) radius of Yokosuka. There is parking. There are restrooms. There are cafés. Saitabama is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish. Snorkeling is possible.
Kuruwa Beach
Kuruwa Beach is a 2-stars sandy beach, located in a 8 km (5 miles) radius of Yokosuka. There is parking. Kuruwa Beach is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish.
Shonan Sunny Side Marina
Shonan Sunny Side Marina is a 3-stars sandy beach, located in a 8 km (5 miles) radius of Yokosuka. There is parking. There are restrooms. There are cafés. Shonan Sunny Side Marina is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish. Snorkeling is possible.
Akiya Coast
Akiya Coast is a 2-stars sandy beach, located in a 8 km (5 miles) radius of Yokosuka. There is parking. There are cafés. Akiya Coast is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish.
Tateishi In Akiya
Tateishi In Akiya is a 2-stars sandy beach, located in a 8 km (5 miles) radius of Yokosuka. There is parking. There are cafés. Tateishi In Akiya is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish.
Kurihama Beach
Kurihama Beach is a 2-stars sandy beach, located in a 8 km (5 miles) radius of Yokosuka. There is parking. There are cafés.
Sekine Beach
Sekine Beach is a 3-stars sandy beach, located in a 8 km (5 miles) radius of Yokosuka. There is parking. There are restrooms. There are cafés. Sekine Beach is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish.
Glass Beach
Glass Beach is a 3-stars pebble beach, located in a 8 km (5 miles) radius of Yokosuka. There is parking. There are restrooms. There are cafés. Glass Beach is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish. Snorkeling is possible.
Isshiki Beach
Isshiki Beach is a 4-stars sandy beach, located in a 8 km (5 miles) radius of Yokosuka. There are lifeguards on the beach. There is parking. There are cafés. Snorkeling is possible. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Coast Park
Coast Park is a 3-stars sandy beach, located in a 8 km (5 miles) radius of Yokosuka. There is parking. There are restrooms. There are cafés. Coast Park is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish.
Tatarahama Beach
Tatarahama Beach is a 3-stars sandy beach, located in a 8 km (5 miles) radius of Yokosuka. There is parking. There are restrooms. There are cafés. Tatarahama Beach is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish. Snorkeling is possible.
Yokosuka Weather
MARCH 28
45°F / 55°F
overcast clouds: 85-100%humidity: 83% | wind: 4 mph
MARCH 29
41°F / 52°F
overcast clouds: 85-100%humidity: 77% | wind: 2 mph
MARCH 30
39°F / 50°F
light rainhumidity: 71% | wind: 2 mph
MARCH 31
48°F / 48°F
overcast clouds: 85-100%humidity: 72% | wind: 2 mph
Sea Temperature in the Pacific Ocean in Yokosuka: General Trends and Swimming Opportunities
Kanagawa Prefecture, located in the coastal region of Japan, has a humid subtropical climate. It experiences warm, humid summers and mild to cool winters, with significant rainfall throughout the year, especially during the late summer.
Yokosuka is located in Asia in the Northern Hemisphere at a latitude of 35 degrees, along the shores of the Pacific Ocean. Yokosuka lies within the Kanagawa Prefecture in Japan.
The average annual daytime air temperature in Yokosuka 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, Yokosuka 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 Yokosuka is 18°C (64°F). In March, the water reaches its lowest point of the year at 7°C (45°F), while in September, it peaks at 30°C (86°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 30°C (86°F) on some days.
Geographical Location of Yokosuka
Frequently Asked Questions About Yokosuka and its Water Temperatures
What is the current sea temperature in Yokosuka?
The water temperature today in the Pacific Ocean in Yokosuka is 57°F (13.9°C).
In which months is the water temperature in Yokosuka comfortable for swimming?
The water temperature in the Pacific Ocean in Yokosuka is comfortable for swimming and beach vacations in August.
What is the water temperature in Yokosuka during the winter?
The water temperature in the Pacific Ocean in Yokosuka during the winter ranges from 8°C to 21°C (46°F to 70°F).
What is the water temperature in Yokosuka during the spring?
The water temperature in the Pacific Ocean in Yokosuka during the spring ranges from 7°C to 21°C (45°F to 70°F).
What is the water temperature in Yokosuka during the summer?
The water temperature in the Pacific Ocean in Yokosuka during the summer ranges from 15°C to 29°C (59°F to 84°F).
What is the water temperature in Yokosuka during the fall?
The water temperature in the Pacific Ocean in Yokosuka during the fall ranges from 13°C to 30°C (55°F to 86°F).
Is it possible to swim in the sea in Yokosuka at any time of the year?
The Pacific Ocean in Yokosuka 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).
What sea temperatures can I expect in Yokosuka in the next month?
In April, the water temperature in the Pacific Ocean in Yokosuka will range between 50°F (10°C) and 66°F (19°C)