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Water temperature in Sea Ranch (CA) in August

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Is it warm enough to swim in Sea Ranch in August? Average water temperature in Sea Ranch in August is 54.1°F and therefore is not suitable for comfortable swimming. The warmest sea in Sea Ranch in August is 60.1°F, and the coldest is 48.6°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Sea Ranch

Changes water temperature in Sea Ranch in August 2025, 2024

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

You can choose any other years:

Year 1:   Year 2:


Day 2025 2024 Min Max
August 152°F50.9°F48.6°F57°F
August 250.9°F52.3°F50.4°F57.7°F
August 350.4°F54.3°F50.4°F59°F
August 449.8°F52.9°F49.8°F59.4°F
August 550.4°F50.5°F50.4°F60.1°F
August 649.8°F51.4°F49.8°F59.9°F
August 749.5°F51.4°F49.5°F59.5°F
August 849.5°F51.6°F49.3°F59.2°F
August 950.5°F51.4°F50°F58.6°F
August 1052°F51.6°F50.9°F58.6°F
August 1153.1°F52.2°F52°F58.5°F
August 1251.4°F50°F50°F59°F
August 1351.8°F50°F50°F59.5°F
August 1452.5°F49.8°F49.8°F60.1°F
August 1554.1°F50.5°F50.5°F59.2°F
Day 2025 2024 Min Max
August 1653.4°F49.3°F49.3°F58.6°F
August 1752.3°F48.7°F48.7°F58.1°F
August 1850.9°F51.1°F50.9°F58.1°F
August 1951.3°F51.6°F51.3°F58.6°F
August 2052.5°F51.8°F50.9°F58.8°F
August 2152.3°F50.5°F49.5°F58.8°F
August 2251.1°F50.4°F50.4°F59.2°F
August 2352.3°F49.8°F49.8°F59.5°F
August 2452.3°F50.2°F48.6°F59.5°F
August 2553.2°F51.6°F49.3°F59°F
August 2653.4°F51.8°F50.5°F59.2°F
August 2754.7°F52.9°F51.8°F59.9°F
August 2855.4°F52.7°F51.1°F59.7°F
August 2955.6°F53.2°F51.1°F59.4°F
August 3055.4°F53.2°F51.3°F60.1°F
August 3155.6°F55°F52.2°F60.1°F
Sea Ranch water temp chart in August

Average water temperature in Sea Ranch in August over a decade

20162017201820192020
55°F55.9°F53.8°F53.1°F52.7°F
20212022202320242025
53.2°F53.8°F53.6°F51.4°F50.4°F

Sea Ranch sea state in August

Chart comparing the height of waves in Sea Ranch in August 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 Sea Ranch in August

Sea Ranch 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 August?

Want to know where the water temperature in August 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 August

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

AvrMinMax
San Diego69.8°F62.6°F76.6°F
Santa Monica68.4°F60.8°F74.7°F
La Jolla Cove70.9°F63.5°F77.7°F
Lake Tahoe68°F63.9°F72°F
Los Angeles67.8°F62.2°F72.9°F
Gualala54.1°F48.9°F60.3°F
Timber Cove54.5°F47.8°F60.8°F
Jenner54.9°F48°F61.3°F
Sonoma Coast54.9°F47.8°F61.9°F
Salmon Creek55.2°F47.8°F62.1°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 Sea Ranch 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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