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Oceanside

Water Temperature in the Pacific Ocean in Oceanside, California: Current, Historical Data and Forecast

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

21.8°C

TODAY

20.9°C

YESTERDAY

21.4°C

A WEEK AGO

All water temperature data is now available in our official mobile apps — for iOS and Android.

Analysis, Historical Data, and Forecast of Water Temperature

Today sea water temperature in the Pacific Ocean in Oceanside is 21.8°C. 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 Pacific Ocean in Oceanside Over the Last 30 Days

The water temperature in Oceanside 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 Oceanside will remain nearly unchanged in the coming days, its value will be 20.9°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 United States to enhance accuracy.

Water temperature data for Oceanside 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
Sep 421.4°C20.5°C
Sep 521.7°C20.3°C
Sep 621.1°C19.8°C
Sep 720.7°C20.5°C
Sep 820.8°C20.3°C
Sep 921.0°C20.0°C
Sep 1020.9°C20.5°C
Sep 1121.4°C21.5°C
Sep 1221.5°C21.8°C
Sep 1319.8°C21.5°C
Sep 1420.3°C21.3°C
Sep 1521.0°C21.3°C
Sep 1621.3°C21.3°C
Sep 1720.8°C21.2°C
Sep 1819.8°C21.0°C
Sep 1920.5°C20.9°C
* Current - Actual water temperature value
** Average - Average water temperature on this day in recent years
*** Forecast - Our water temperature forecast

Sea Temperature in Oceanside Throughout the Year

Throughout the year, the sea temperature in Oceanside exceeds 77°F (25°C) for 0 days, exceeds 72°F (22°C) for 1 days, and exceeds 64°F (18°C) for 147 days.

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

January

MinimumAverageMaximum
13°C15°C17°C

February

MinimumAverageMaximum
13°C14.5°C16°C

March

MinimumAverageMaximum
12°C14.5°C17°C

April

MinimumAverageMaximum
12°C15.5°C19°C

May

MinimumAverageMaximum
14°C17°C20°C

June

MinimumAverageMaximum
15°C18°C21°C

July

MinimumAverageMaximum
17°C20.5°C24°C

August

MinimumAverageMaximum
17°C20.5°C24°C

September

MinimumAverageMaximum
17°C20.5°C24°C

October

MinimumAverageMaximum
16°C19°C22°C

November

MinimumAverageMaximum
14°C17°C20°C

December

MinimumAverageMaximum
14°C16°C18°C

Monthly Water Temperature Histogram for Pacific Ocean in Oceanside

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

What Beaches Are There In and Around Oceanside?

Oceanside Pier View South Beach

Oceanside Pier View South Beach is a 5-stars sandy beach, is located directly in Oceanside. There are lifeguards on the beach. There is parking. There are restrooms. There are cafés. Oceanside Pier View South Beach 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.

Wisconsin Street Beach

Wisconsin Street Beach is a 5-stars sandy beach, is located directly in Oceanside. There are lifeguards on the beach. There is parking. There are restrooms. There are cafés. It is suitable for surfing. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.

Oceanside Pier View North Beach

Oceanside Pier View North Beach is a 5-stars sandy beach, is located directly in Oceanside. There are lifeguards on the beach. There is parking. There are restrooms. There are cafés. Oceanside Pier View North Beach 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.

Breakwater Way Beach

Breakwater Way Beach is a 5-stars sandy beach, is located directly in Oceanside. There are lifeguards on the beach. There is parking. There are restrooms. There are cafés. It is suitable for surfing. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.

Tyson Street Beach

Tyson Street Beach is a 5-stars sandy beach, is located directly in Oceanside. There are lifeguards on the beach. There is parking. There are restrooms. There are cafés. It is suitable for surfing. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.

Oceanside Boulevard Beach

Oceanside Boulevard Beach is a 4-stars sandy beach, located in a 2 km (1 miles) radius of Oceanside. There are lifeguards on the beach. There is parking. There are cafés. It is suitable for surfing. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.

Buccaneer Beach

Buccaneer Beach is a 5-stars sandy beach, located in a 2 km (1 miles) radius of Oceanside. There are lifeguards on the beach. There is parking. There are restrooms. There are cafés. It is suitable for surfing. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.

Oceanside Harbor Beach

Oceanside Harbor Beach is a 4-stars sandy beach, located in a 2 km (1 miles) radius of Oceanside. There are lifeguards on the beach. There is parking. There are restrooms. There are cafés. Oceanside Harbor Beach is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish. It is suitable for surfing. There is a shark hazard on the beach. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.

St. Malo Beach

St. Malo Beach is a 3-stars sandy beach, located in a 3 km (2 miles) radius of Oceanside. There is parking. There are cafés. It is suitable for surfing. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.

South Oceanside Beach

South Oceanside Beach is a 5-stars sandy beach, located in a 3 km (2 miles) radius of Oceanside. There are lifeguards on the beach. There is parking. There are cafés. South Oceanside Beach is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish. Snorkeling is possible. It is suitable for surfing. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.

Camp Pendleton – San Onofre Beach - United States: Info

Camp Pendleton – San Onofre Beach - United States: Info is a 3-stars sandy beach, located in a 4 km (2 miles) radius of Oceanside. There is parking. There are restrooms. It is suitable for surfing. There is a shark hazard on the beach. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.

Del Mar Beach At Camp Pendleton

Del Mar Beach At Camp Pendleton is a 4-stars sandy beach, located in a 4 km (2 miles) radius of Oceanside. There is parking. There are restrooms. There are cafés. It is suitable for surfing. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.

Carlsbad City Beach

Carlsbad City Beach is a 3-stars sandy beach, located in a 5 km (3 miles) radius of Oceanside. There is parking. There are cafés. It is suitable for surfing. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.

Robert Frazee State Beach

Robert Frazee State Beach is a 5-stars sandy beach, located in a 5 km (3 miles) radius of Oceanside. There are lifeguards on the beach. There is parking. There are restrooms. There are cafés. It is suitable for surfing. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.

Turnarounds Beach

Turnarounds Beach is a 2-stars sandy beach, located in a 5 km (3 miles) radius of Oceanside. Snorkeling is possible.

Tamarack Surf Beach

Tamarack Surf Beach is a 5-stars sandy beach, located in a 6 km (4 miles) radius of Oceanside. There are lifeguards on the beach. There is parking. There are restrooms. There are cafés. Tamarack Surf Beach 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.

Carlsbad State Beach

Carlsbad State Beach is a 5-stars sandy beach, located in a 6 km (4 miles) radius of Oceanside. There are lifeguards on the beach. There is parking. There are restrooms. There are cafés. Carlsbad State Beach is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish. Snorkeling is possible. It is suitable for surfing. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.

Warm Water Jetty Beach

Warm Water Jetty Beach is a 4-stars sandy beach, located in a 7 km (4 miles) radius of Oceanside. There are lifeguards on the beach. There is parking. There are restrooms. There are cafés. Snorkeling is possible. It is suitable for surfing.

Terramar Beach

Terramar Beach is a 3-stars sandy beach, located in a 9 km (6 miles) radius of Oceanside. There is parking. There are cafés. It is suitable for surfing. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.

Oceanside Weather

SEPTEMBER 12

18°C / 22°C
few clouds: 11-25%

humidity: 78% | wind: 2 km/h

SEPTEMBER 13

19°C / 23°C
few clouds: 11-25%

humidity: 80% | wind: 2 km/h

SEPTEMBER 14

19°C / 23°C
few clouds: 11-25%

humidity: 78% | wind: 2 km/h

SEPTEMBER 15

20°C / 23°C
clear sky

humidity: 75% | wind: 2 km/h

California, United StatesCalifornia, United StatesCalifornia, United States

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

Original name
Oceanside
The Local Time
07:38
Time Zone
UTC-7
Sunrise
06:30
Sunset
19:01
Length of the day
12 h 30 m

The coastal region of California, United States, exhibits a Mediterranean climate characterized by mild, wet winters and warm, dry summers. Marked by moderate temperatures year-round, it experiences more fog and significantly cooler temperatures than the inland areas due to proximity to the Pacific Ocean.

Oceanside is located in North America in the Northern Hemisphere at a latitude of 33 degrees, along the shores of the Pacific Ocean. Oceanside lies within the California in United States.

The average annual daytime air temperature in Oceanside is 72°F (22°C), with the average nighttime temperature being 54°F (12°C). The highest average daily temperature occurs in August, reaching 79°F (26°C), while the lowest is in December at 66°F (19°C). As for nighttime temperatures, the minimum average temperature of 45°F (7°C) is recorded in January, and the maximum is in August, reaching 62°F (17°C).

According to historical data, Oceanside experiences 35 rainy days per year, which accounts for 10 percent of all days in the year. On average, there are 3 rainy days each month. The wettest month is February, with 6 rainy days and 2.4 inches (61 mm) of precipitation, while the driest month is July, which typically has 0 rainy days and only 0.0 inches (1 mm) of precipitation.

The average annual water temperature in Pacific Ocean in Oceanside is 63°F (17°C). In March, the water reaches its lowest point of the year at 54°F (12°C), while in July, it peaks at 75°F (24°C). In Oceanside, the water temperature in the Pacific Ocean never consistently reaches a comfortable level for swimming in any month.

Geographical Location of Oceanside

Frequently Asked Questions About Oceanside and its Water Temperatures

What is the current sea temperature in Oceanside?

The water temperature today in the Pacific Ocean in Oceanside is 71°F (21.8°C).

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

It cannot be guaranteed that the water temperature in Oceanside will be comfortable for swimming in any month of the year.

What is the water temperature in Oceanside during the winter?

The water temperature in the Pacific Ocean in Oceanside during the winter ranges from 55°F to 64°F (13°C to 18°C).

What is the water temperature in Oceanside during the spring?

The water temperature in the Pacific Ocean in Oceanside during the spring ranges from 54°F to 68°F (12°C to 20°C).

What is the water temperature in Oceanside during the summer?

The water temperature in the Pacific Ocean in Oceanside during the summer ranges from 59°F to 75°F (15°C to 24°C).

What is the water temperature in Oceanside during the fall?

The water temperature in the Pacific Ocean in Oceanside during the fall ranges from 57°F to 75°F (14°C to 24°C).

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

The Pacific Ocean in Oceanside is quite cool, and swimming is only possible in June, July, August, September, and October when the water temperature reaches 70°F (21°C).

Is Oceanside a popular tourist destination for beach vacations?

Oceanside 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 Oceanside in the next month?

In October, the water temperature in the Pacific Ocean in Oceanside will range between 61°F (16°C) and 72°F (22°C)