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Water temperature in San Onofre Beach (CA) in October

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Is it warm enough to swim in San Onofre Beach in October? Average water temperature in San Onofre Beach in October is 67.3°F and therefore is not suitable for comfortable swimming. The warmest sea in San Onofre Beach in October is 74.7°F, and the coldest is 62.1°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in San Onofre Beach

Changes water temperature in San Onofre Beach in October 2024, 2023

To get an accurate forecast for the water temperature in San Onofre Beach for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in San Onofre Beach, the selected years in the table also show the values of the maximum and minimum temperatures on each of the days of October.

You can choose any other years:

Year 1:   Year 2:


Day 2024 2023 Min Max
October 162.1°F68.2°F62.1°F74.7°F
October 262.4°F68°F62.4°F74.3°F
October 364.4°F67.6°F64.4°F73.6°F
October 465.1°F67.5°F63.9°F72.9°F
October 565.3°F67.6°F63.1°F72.1°F
October 663.5°F67.8°F62.6°F72.3°F
October 763.3°F68.5°F62.6°F72.3°F
October 862.6°F68°F62.6°F72.3°F
October 963°F67.5°F63°F72.9°F
October 1063.5°F67.1°F63°F73°F
October 1163.3°F67.3°F63.1°F73.4°F
October 1262.2°F67.3°F62.2°F73.4°F
October 1362.6°F67.5°F62.6°F73.8°F
October 1463°F66.9°F62.1°F73.8°F
October 1563.5°F66.6°F62.4°F73.4°F
Day 2024 2023 Min Max
October 1663.7°F66.7°F62.2°F73.6°F
October 1764°F67.3°F62.8°F73.2°F
October 1864.2°F67.1°F62.4°F73°F
October 1963.9°F66.9°F63.5°F73°F
October 2064°F65.8°F63.7°F72.9°F
October 2163.9°F65.1°F63.9°F73°F
October 2263.7°F64.8°F63.1°F72.9°F
October 2364°F65.5°F63.3°F72.3°F
October 2464.2°F65.7°F63.3°F72.3°F
October 2564.4°F66.2°F63.7°F72.1°F
October 2663.9°F66°F63.7°F72.1°F
October 2764°F65.8°F63.1°F71.6°F
October 2864.2°F65.5°F63.3°F71.2°F
October 2963.9°F65.5°F63.7°F70.5°F
October 3063.3°F64.6°F63.3°F70.3°F
October 3162.6°F64.9°F62.6°F70.5°F
San Onofre Beach water temp chart in October

Average water temperature in San Onofre Beach in October over a decade

20152016201720182019
72.7°F67.8°F69.3°F67.8°F67.3°F
20202021202220232024
69.6°F64.8°F68.7°F66.7°F63.7°F

San Onofre Beach sea state in October

Chart comparing the height of waves in San Onofre Beach in October over the past years. The red line indicates the height of the waves when swimming in the sea is prohibited. To view the current sea conditions, click on the graph.

Waves height in San Onofre Beach in October

San Onofre Beach water temperature during other months:

You can also view information about water temperature for other months by clicking on the month button below

Where is the warm sea water in October?

Want to know where the water temperature in October is good for swimming? Select the continent of interest, the day of the month and the required water temperature

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

Best Beach Resorts in California in October

Places with the warmest average sea water temperature in California in October. In addition, the maximum and minimum water temperatures for that month, recorded over the last decade, are shown

AvrMinMax
Santa Monica66.4°F60.3°F73.2°F
La Jolla Cove67.3°F63°F73.6°F
Lake Tahoe58.6°F53.2°F64.2°F
Los Angeles66.4°F61°F73.8°F
Trestles Beach67.3°F62.1°F74.7°F
T-Street Beach67.5°F62.2°F74.7°F
Baby Beach67.5°F63°F74.7°F
Capistrano Beach67.5°F63°F74.7°F
Doheny Beach67.5°F63°F74.7°F

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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 San Onofre Beach 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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