Search for cities, countries, lakes and rivers
San Diego
Water Temperature in the Pacific Ocean in San Diego, California: Current, Historical Data and Forecast
On this page, you will find comprehensive information about the sea temperature in San Diego 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 San Diego
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 San Diego 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 San Diego Over the Last 30 Days
The water temperature in San Diego 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 San Diego will remain nearly unchanged in the coming days, its value will be 59°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 United States to enhance accuracy.
Water temperature data for San Diego 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 16 | 58°F | 60°F | |
Mar 17 | 57°F | 60°F | |
Mar 18 | 57°F | 60°F | |
Mar 19 | 58°F | 60°F | |
Mar 20 | 57°F | 59°F | |
Mar 21 | 57°F | 60°F | |
Mar 22 | 57°F | 60°F | |
Mar 23 | 57°F | 60°F | |
Mar 24 | 61°F | 58°F | |
Mar 25 | 61°F | 58°F | |
Mar 26 | 60°F | 58°F | |
Mar 27 | 61°F | 58°F | |
Mar 28 | 60°F | 59°F | |
Mar 29 | 60°F | 59°F | |
Mar 30 | 60°F | 59°F | |
Mar 31 | 60°F | 59°F |
Sea Temperature in San Diego Throughout the Year
Throughout the year, the sea temperature in San Diego exceeds 77°F (25°C) for 0 days, exceeds 72°F (22°C) for 1 days, and exceeds 64°F (18°C) for 154 days.
Below is the annual chart of sea temperature changes in the Pacific Ocean in San Diego.

January
Minimum | Average | Maximum |
---|---|---|
55°F | 59°F | 63°F |
February
Minimum | Average | Maximum |
---|---|---|
55°F | 58°F | 61°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 |
---|---|---|
57°F | 63°F | 68°F |
June
Minimum | Average | Maximum |
---|---|---|
59°F | 64°F | 70°F |
July
Minimum | Average | Maximum |
---|---|---|
63°F | 69°F | 75°F |
August
Minimum | Average | Maximum |
---|---|---|
63°F | 69°F | 75°F |
September
Minimum | Average | Maximum |
---|---|---|
63°F | 69°F | 75°F |
October
Minimum | Average | Maximum |
---|---|---|
61°F | 66°F | 72°F |
November
Minimum | Average | Maximum |
---|---|---|
57°F | 63°F | 68°F |
December
Minimum | Average | Maximum |
---|---|---|
57°F | 61°F | 64°F |
Monthly Water Temperature Histogram for Pacific Ocean in San Diego
You can explore detailed data on how the water temperature in San Diego varies each month:
What Beaches Are There In and Around San Diego?
Centennial Park Beach
Centennial Park Beach is a 4-stars sandy beach, is located directly in San Diego. There is parking. There are restrooms. There are cafés. Centennial Park Beach 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.
Bird Rock Beach
Bird Rock Beach is a 3-stars sandy beach, is located directly in San Diego. There is parking. There are cafés. Bird Rock Beach is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish. It is suitable for surfing.
Mission Bay
Mission Bay is a 5-stars sandy beach, is located directly in San Diego. There are lifeguards on the beach. There is parking. There are restrooms. There are cafés. Snorkeling is possible. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Coronado Tidelands Park
Coronado Tidelands Park is a 4-stars sandy beach, located in a 2 km (1 miles) radius of San Diego. There is parking. There are restrooms. There are cafés. Snorkeling is possible. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Coronado Beach
Coronado Beach is a 4-stars sandy beach, located in a 3 km (2 miles) radius of San Diego. There are lifeguards on the beach. There is parking. There are restrooms. There are cafés. 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.
Coronado Shores Beach
Coronado Shores Beach is a 4-stars sandy beach, located in a 4 km (2 miles) radius of San Diego. 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.
Glorietta Bay Park Beach
Glorietta Bay Park Beach is a 5-stars sandy beach, located in a 4 km (2 miles) radius of San Diego. There are lifeguards on the beach. There is parking. There are restrooms. There are cafés. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Coronado Dog Beach
Coronado Dog Beach is a 3-stars sandy beach, located in a 4 km (2 miles) radius of San Diego. There are lifeguards on the beach. There is parking. There are cafés. 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.
Spanish Landing Park Beach
Spanish Landing Park Beach is a 4-stars sandy beach, located in a 4 km (2 miles) radius of San Diego. There is parking. There are restrooms. There are cafés. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Gator Beach At Naval Amphibious Base Coronado
Gator Beach At Naval Amphibious Base Coronado is a 4-stars sandy beach, located in a 4 km (2 miles) radius of San Diego. 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.
Naval Air Station North Island - Breakers Beach
Naval Air Station North Island - Breakers Beach is a 4-stars sandy beach, located in a 5 km (3 miles) radius of San Diego. There are lifeguards on the beach. There are restrooms. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Shelter Island Shoreline Park
Shelter Island Shoreline Park is a 3-stars sandy beach, located in a 6 km (4 miles) radius of San Diego. There is parking. There are restrooms. Shelter Island Shoreline Park 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.
Kellogg Beach
Kellogg Beach is a 3-stars sandy beach, located in a 7 km (4 miles) radius of San Diego. There is parking. Kellogg Beach 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.
Cabrillo National Monument Beach
Cabrillo National Monument Beach is a 3-stars sandy beach, located in a 8 km (5 miles) radius of San Diego. There is parking. There are restrooms. Cabrillo National Monument Beach 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.
Crown Cove
Crown Cove is a 5-stars sandy beach, located in a 8 km (5 miles) radius of San Diego. There are lifeguards on the beach. There is parking. There are restrooms. There are cafés. Snorkeling is possible. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Fiesta Island Beach
Fiesta Island Beach is a 3-stars sandy beach, located in a 8 km (5 miles) radius of San Diego. There are lifeguards on the beach. There is parking. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Mission Bay
Mission Bay is a 4-stars sandy beach, located in a 8 km (5 miles) radius of San Diego. There is parking. There are restrooms. There are cafés. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Ocean Beach Park
Ocean Beach Park is a 5-stars sandy beach, located in a 9 km (6 miles) radius of San Diego. There are lifeguards on the beach. There is parking. There are restrooms. There are cafés. Ocean Beach Park 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.
Sweetwater Marsh
Sweetwater Marsh is a 2-stars sandy beach, located in a 9 km (6 miles) radius of San Diego. There is parking. There are restrooms.
Sunset Cliffs Natural Park
Sunset Cliffs Natural Park is a 3-stars sandy beach, located in a 9 km (6 miles) radius of San Diego. There is parking. There are cafés. 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.
San Diego Weather
MARCH 24
63°F / 73°F
clear skyhumidity: 59% | wind: 1 mph
MARCH 25
61°F / 72°F
overcast clouds: 85-100%humidity: 65% | wind: 1 mph
MARCH 26
59°F / 68°F
overcast clouds: 85-100%humidity: 69% | wind: 1 mph
MARCH 27
63°F / 68°F
scattered clouds: 25-50%humidity: 64% | wind: 2 mph



Sea Temperature in the Pacific Ocean in San Diego: General Trends and Swimming Opportunities
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.
San Diego is located in North America in the Northern Hemisphere at a latitude of 33 degrees, along the shores of the Pacific Ocean. San Diego lies within the California in United States.
The average annual daytime air temperature in San Diego is 72°F (22°C), with the average nighttime temperature being 55°F (13°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 48°F (9°C) is recorded in December, and the maximum is in August, reaching 65°F (18°C).
According to historical data, San Diego 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 (60 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 San Diego 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 San Diego, the water temperature in the Pacific Ocean never consistently reaches a comfortable level for swimming in any month.
Geographical Location of San Diego
Nearby Cities
Frequently Asked Questions About San Diego and its Water Temperatures
What is the current sea temperature in San Diego?
The water temperature today in the Pacific Ocean in San Diego is 57°F (14.1°C).
In which months is the water temperature in San Diego comfortable for swimming?
It cannot be guaranteed that the water temperature in San Diego will be comfortable for swimming in any month of the year.
What is the water temperature in San Diego during the winter?
The water temperature in the Pacific Ocean in San Diego during the winter ranges from 55°F to 64°F (13°C to 18°C).
What is the water temperature in San Diego during the spring?
The water temperature in the Pacific Ocean in San Diego during the spring ranges from 54°F to 68°F (12°C to 20°C).
What is the water temperature in San Diego during the summer?
The water temperature in the Pacific Ocean in San Diego during the summer ranges from 59°F to 75°F (15°C to 24°C).
What is the water temperature in San Diego during the fall?
The water temperature in the Pacific Ocean in San Diego during the fall ranges from 57°F to 75°F (14°C to 24°C).
Is it possible to swim in the sea in San Diego at any time of the year?
The Pacific Ocean in San Diego 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 San Diego a popular tourist destination for beach vacations?
San Diego is a highly popular tourist destination for beach vacations, attracting large numbers of visitors every year due to its beautiful coastline, warm waters, and excellent resort facilities.
What sea temperatures can I expect in San Diego in the next month?
In April, the water temperature in the Pacific Ocean in San Diego will range between 55°F (13°C) and 66°F (19°C)