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Katsuura

Katsuura

© Takashi Seki

Water Temperature in the Pacific Ocean in Katsuura, Japan: Current, Historical Data and Forecast

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

14.8°C

TODAY

14.6°C

YESTERDAY

14.4°C

A WEEK AGO

Analysis, Historical Data, and Forecast of Water Temperature

Today sea water temperature in the Pacific Ocean in Katsuura is 14.8°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 Katsuura Over the Last 30 Days

The water temperature in Katsuura 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 Katsuura will remain nearly unchanged in the coming days, its value will be 13.9°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 Katsuura 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
Feb 1614.4°C13.3°C
Feb 1714.2°C13.8°C
Feb 1814.2°C12.8°C
Feb 1914.6°C12.8°C
Feb 2015.2°C13.5°C
Feb 2114.4°C13.3°C
Feb 2214.6°C14.5°C
Feb 2314.8°C12.8°C
Feb 2414.0°C14.7°C
Feb 2514.0°C14.6°C
Feb 2612.8°C14.3°C
Feb 2713.0°C14.1°C
Feb 2813.8°C14.1°C
Mar 113.3°C14.0°C
Mar 213.3°C13.9°C
Mar 314.0°C13.9°C
* Current - Actual water temperature value
** Average - Average water temperature on this day in recent years
*** Forecast - Our water temperature forecast

Sea Temperature in Katsuura Throughout the Year

Throughout the year, the sea temperature in Katsuura exceeds 77°F (25°C) for 65 days, exceeds 72°F (22°C) for 132 days, and exceeds 64°F (18°C) for 213 days.

Below is the annual chart of sea temperature changes in the Pacific Ocean in Katsuura.

January

MinimumAverageMaximum
8°C13°C18°C

February

MinimumAverageMaximum
8°C13°C18°C

March

MinimumAverageMaximum
7°C12.5°C18°C

April

MinimumAverageMaximum
10°C14.5°C19°C

May

MinimumAverageMaximum
12°C16.5°C21°C

June

MinimumAverageMaximum
15°C19.5°C24°C

July

MinimumAverageMaximum
19°C23°C27°C

August

MinimumAverageMaximum
21°C25°C29°C

September

MinimumAverageMaximum
19°C24°C29°C

October

MinimumAverageMaximum
16°C21.5°C27°C

November

MinimumAverageMaximum
13°C19°C25°C

December

MinimumAverageMaximum
9°C15°C21°C

Monthly Water Temperature Histogram for Pacific Ocean in Katsuura

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

What Beaches Are There In and Around Katsuura?

Onaura

Onaura is a 1-stars sandy beach, is located directly in Katsuura.

Link to the location of the beach

Ubara Swimming Beach

Ubara Swimming Beach is a 1-stars sandy beach, located in a 2 km (1 miles) radius of Katsuura.

Link to the location of the beach

Katsuura Central Beach

Katsuura Central Beach is a 2-stars sandy beach, located in a 3 km (2 miles) radius of Katsuura. It is suitable for surfing.

Link to the location of the beach

Moriya Beach

Moriya Beach is a 1-stars sandy beach, located in a 4 km (2 miles) radius of Katsuura.

Link to the location of the beach

Toyohama Beach

Toyohama Beach is a 2-stars sandy beach, located in a 4 km (2 miles) radius of Katsuura. Snorkeling is possible.

Link to the location of the beach

Hebara Beach

Hebara Beach is a 2-stars sandy beach, located in a 5 km (3 miles) radius of Katsuura. It is suitable for surfing.

Link to the location of the beach

Okitsu Beach

Okitsu Beach is a 2-stars sandy beach, located in a 5 km (3 miles) radius of Katsuura. It has been awarded the prestigious Blue Flag, ensuring high environmental and quality standards.

Link to the location of the beach

Ekaterina Beach

Ekaterina Beach is a 1-stars sandy beach, located in a 6 km (4 miles) radius of Katsuura.

Link to the location of the beach

Onjukumachihama Beach

Onjukumachihama Beach is a 1-stars sandy beach, located in a 7 km (4 miles) radius of Katsuura.

Link to the location of the beach

Onjukumachi Iwawada Beach Resort

Onjukumachi Iwawada Beach Resort is a 1-stars sandy beach, located in a 7 km (4 miles) radius of Katsuura.

Link to the location of the beach

Onjuku Beach

Onjuku Beach is a 1-stars sandy beach, located in a 7 km (4 miles) radius of Katsuura.

Link to the location of the beach

Onjukucho Central Beach Resort

Onjukucho Central Beach Resort is a 1-stars sandy beach, located in a 7 km (4 miles) radius of Katsuura.

Link to the location of the beach

Ohazuki Coast

Ohazuki Coast is a 1-stars sandy beach, located in a 8 km (5 miles) radius of Katsuura.

Link to the location of the beach

Iwawada Coast

Iwawada Coast is a 1-stars sandy beach, located in a 8 km (5 miles) radius of Katsuura.

Link to the location of the beach

Tajiri Coast

Tajiri Coast is a 1-stars sandy beach, located in a 9 km (6 miles) radius of Katsuura.

Link to the location of the beach

Obentenjima

Obentenjima is a 1-stars sandy beach, located in a 9 km (6 miles) radius of Katsuura.

Link to the location of the beach

Utsuwa Quay

Utsuwa Quay is a 1-stars sandy beach, located in a 10 km (6 miles) radius of Katsuura.

Link to the location of the beach

Katsuura Weather

FEBRUARY 24

0°C / 11°C
clear sky

humidity: 51% | wind: 5 km/h

FEBRUARY 25

6°C / 15°C
clear sky

humidity: 47% | wind: 4 km/h

FEBRUARY 26

5°C / 15°C
scattered clouds: 25-50%

humidity: 53% | wind: 2 km/h

FEBRUARY 27

6°C / 13°C
clear sky

humidity: 55% | wind: 1 km/h

Sea Temperature in the Pacific Ocean in Katsuura: General Trends and Swimming Opportunities

Original name
勝浦市
The Local Time
18:03
Time Zone
UTC+9
Sunrise
06:17
Sunset
17:29
Length of the day
11 h 11 m

Chiba Prefecture, Japan, situated along the coast, experiences a humid subtropical climate, marked by mild temperatures throughout the year with hot, humid summers and cool to moderate winters. Precipitation is somewhat heavy, with the highest levels during the summer months due to the East Asian monsoon.

Katsuura is located in Asia in the Northern Hemisphere at a latitude of 35 degrees, along the shores of the Pacific Ocean. Katsuura lies within the Chiba Prefecture in Japan.

The average annual daytime air temperature in Katsuura 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, Katsuura 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 Katsuura 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 Katsuura

Frequently Asked Questions About Katsuura and its Water Temperatures

What is the current sea temperature in Katsuura?

The water temperature today in the Pacific Ocean in Katsuura is 59°F (14.8°C).

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

The water temperature in the Pacific Ocean in Katsuura is comfortable for swimming and beach vacations in August.

What is the water temperature in Katsuura during the winter?

The water temperature in the Pacific Ocean in Katsuura during the winter ranges from 8°C to 21°C (46°F to 70°F).

What is the water temperature in Katsuura during the spring?

The water temperature in the Pacific Ocean in Katsuura during the spring ranges from 7°C to 21°C (45°F to 70°F).

What is the water temperature in Katsuura during the summer?

The water temperature in the Pacific Ocean in Katsuura during the summer ranges from 15°C to 29°C (59°F to 84°F).

What is the water temperature in Katsuura during the fall?

The water temperature in the Pacific Ocean in Katsuura during the fall ranges from 13°C to 29°C (55°F to 84°F).

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

The Pacific Ocean in Katsuura 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 Katsuura in the next month?

In March, the water temperature in the Pacific Ocean in Katsuura will range between 45°F (7°C) and 64°F (18°C)