World sea water temperatures

Coronado (CA) water temp

This data the coastal Coronado ocean water temperature today, tomorrow and the upcoming days. Besides, you can also get information about the weather and surf forecast, as well as the data on sunrise / sunset and moonrise / moonset at a given point on any given day.

Current ocean temperature in Coronado

Water temperature in Coronado today is 68.5°F. Based on our historical data over a period of ten years, the warmest water in this day in Coronado was recorded in 2022 and was 73.2°F, and the coldest was recorded in 2020 at 63.7°F. Sea water temperature in Coronado is expected to drop to 68°F in the next 10 days. September average water temperature in Coronado is 68.2°F, the minimum temperature is 62.2°F, and the maximum is 75.2°F.

The swimming season in Coronado lasts from June to October. During those months, Coronado water temperature does not drop below 68°F and therefore suitable for comfortable swimming. The average water temperature in Coronado in winter reaches 59.2°F, in spring 60.8°F, in summer the average temperature rises to 67.6°F, and in autumn it is 65.5°F.

Coronado water temperature now


September 5, 2025
today temp
68.5°F
September 4, 2025
yesterday temp
68.2°F


The ocean salinity in Coronado is 32.38‰, and the average salinity of the World Ocean is 35‰.

Surf Forecast in Coronado for today

Another important indicators for a comfortable holiday on the beach are the presence and height of the waves, as well as the speed and direction of the wind. Please find below data on the swell size for Coronado. We calculate the swell size based on the mean wave height (trough to crest) of each third highest wave. For more information on surf forecasts for the next ten days, please visit sea state forecast Coronado. Data in table shown for September 5, 2025, time in GMT 0 format (you can change the time zone on the sea state forecast page)

0-3 h3-6 h6-9 h9-12 h
2' 11"2' 11"2' 11"2' 11"
0.88 m0.89 m0.88 m0.88 m
12-15 h15-18 h18-21 h21-24 h
2' 11"2' 11"3' 0"3' 2"
0.88 m0.88 m0.91 m0.96 m

Surf report in Coronado

Coronado wave height and direction

Coronado weather forecast

Coronado wind speed and direction

Current temperature and weather

Data in a table show Coronado temperature today (September 5, 2025). For more information and forecast for a few days, go to the weather forecast Coronado.

0-3 h3-6 h6-9 h9-12 h
69.8°F68.9°F68.4°F70.9°F
12-15 h15-18 h18-21 h21-24 h
76.3°F78.3°F73.6°F70.9°F

You may also be interested in other sections of our site for Coronado: Sunrise and Sunset, Tides

Coronado water temperature by month

These figures shows the average, minimum and maximum monthly sea temperature in Coronado. In addition to the table values, the graph below displays of changes average surface temperature during the year. Values are calculated based on the data over the past 10 years. Using them, you can check the water temperature in Coronado on any day of this period that interests you. Click on the month link and you will see a table for each day, or alternatively you can view the temperature curve of the month and select 2 different years you want to compare, either in a table or as a curve

MonthAvrMinMax
January58.6°F54.7°F61.9°Fcold
Ocean water temperature in Coronado in January
February58.6°F54.9°F62.6°Fcold
Ocean water temperature in Coronado in February
March59.4°F55.6°F65.3°Fcold
Ocean water temperature in Coronado in March
April60.3°F55.4°F65.5°Fcold
Ocean water temperature in Coronado in April
May63°F57.4°F67.6°Fcold
Ocean water temperature in Coronado in May
June65.5°F59.9°F71.1°Fcold
Ocean water temperature in Coronado in June
July68°F60.3°F74.1°Fwarm
Ocean water temperature in Coronado in July
August69.3°F60.6°F75.7°Fwarm
Ocean water temperature in Coronado in August
September68.2°F62.2°F75.2°Fwarm
Ocean water temperature in Coronado in September
October65.8°F60.1°F73.2°Fcold
Ocean water temperature in Coronado in October
November62.4°F55.8°F69.8°Fcold
Ocean water temperature in Coronado in November
December60.1°F55.4°F65.1°Fcold
Ocean water temperature in Coronado in December

Chart monthly average water temperature in Coronado

Water temperature in Coronado

Where is the warmest sea water in the world?

If you want to plan a vacation on the beach and enjoy the warm sea, choose the day of the year, region and the minimum comfortable sea/ocean temperature that interests you. As a result, you will get a list of countries and cities in which the average sea temperature or maximum temperature on this day over the past 10 years exceeds your chosen value

Region
Date (day and month)
Water temperature: min 60°F
 Average temperature  Maximum temperature

Best places and resort to visit in California

The most popular beaches and cities in California with sea temperature today, weather, air temperature and sea state (wave height)

WaterWeatherWave
Santa Monica72°F77°F2' 8"
La Jolla Cove73.2°F77°F3' 6"
Lake Tahoe66.7°F75.2°F0' 2"
Los Angeles66.6°F66.2°F4' 3"
Point Loma68.7°F75.2°F2' 11"
Chula Vista68.5°F69.8°F3' 6"
Ocean Beach San Diego69.6°F75.2°F2' 11"
Mission Beach70°F75.2°F3' 6"
Mission Bay70°F75.2°F3' 6"

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Other names for Coronado

Coronado Island, Coronado Beach, Coronado Bay, Coronado Cays, Coronado Shores

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[1] - The "Blue Flag" is awarded to beaches which fulfill a number of criteria, including: the quality of the bathing water, which must be in accordance with the relevant European Union Directive environmental education and information and beach area management and safety.

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Our report for Coronado is compiled using satellite data together with in-situ observations to get the most reliable daily data of sea surface temperatures, surf forecasts, current temperatures and weather forecasts.

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