This data the coastal San Elijo State Beach 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.
Water temperature in San Elijo State Beach today is 66.7°F. Based on our historical data over a period of ten years, the warmest water in this day in San Elijo State Beach was recorded in 2015 and was 72.1°F, and the coldest was recorded in 2011 at 63.1°F. Sea water temperature in San Elijo State Beach is expected to rise to 66.9°F in the next 10 days. October average water temperature in San Elijo State Beach is 67.3°F, the minimum temperature is 60.6°F, and the maximum is 73.8°F.
The swimming season in San Elijo State Beach lasts from June to October. During those months, San Elijo State Beach water temperature does not drop below 68°F and therefore suitable for comfortable swimming. The average water temperature in San Elijo State Beach in winter reaches 59.5°F, in spring 61.5°F, in summer the average temperature rises to 69.3°F, and in autumn it is 66.9°F.
October 9, 2025 |
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today temp |
66.7°F |
October 8, 2025 |
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yesterday temp |
68°F |
The ocean salinity in San Elijo State Beach is 32.84‰, and the average salinity of the World Ocean is 35‰.
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 San Elijo State Beach. 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 San Elijo State Beach. Data in table shown for October 9, 2025, time in GMT 0 format (you can change the time zone on the sea state forecast page)
0-3 h | 3-6 h | 6-9 h | 9-12 h |
---|---|---|---|
2' 4" | 2' 4" | 2' 4" | 2' 3" |
0.71 m | 0.72 m | 0.71 m | 0.68 m |
12-15 h | 15-18 h | 18-21 h | 21-24 h |
---|---|---|---|
2' 2" | 2' 3" | 2' 4" | 2' 6" |
0.66 m | 0.68 m | 0.71 m | 0.75 m |
Data in a table show San Elijo State Beach temperature today (October 9, 2025). For more information and forecast for a few days, go to the weather forecast San Elijo State Beach.
0-3 h | 3-6 h | 6-9 h | 9-12 h |
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61.7°F | 59.5°F | 59.2°F | 66.4°F |
12-15 h | 15-18 h | 18-21 h | 21-24 h |
---|---|---|---|
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69.1°F | 69.6°F | 68.9°F | 67.6°F |
You may also be interested in other sections of our site for San Elijo State Beach: Sunrise and Sunset, Tides
These figures shows the average, minimum and maximum monthly sea temperature in San Elijo State Beach. 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 San Elijo State Beach 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