World sea water temperatures

Water temperature in Hercules (CA) in October

Is it warm enough to swim in Hercules in October? Average water temperature in Hercules in October is 60.6°F and therefore is not suitable for comfortable swimming. The warmest sea in Hercules in October is 68.2°F, and the coldest is 54.3°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Hercules

Changes water temperature in Hercules in October 2024, 2023

To get an accurate forecast for the water temperature in Hercules for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Hercules, 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 166°F66.9°F56.8°F67.8°F
October 266.9°F66.7°F56.5°F67.1°F
October 366.6°F66.4°F55.8°F66.7°F
October 466.4°F66.6°F55.4°F67.1°F
October 566.4°F64.8°F55.6°F67.1°F
October 666.6°F66°F55.8°F66.6°F
October 766.9°F68.2°F55.9°F68.2°F
October 866.9°F66.9°F56.3°F66.9°F
October 966.9°F65.5°F55.8°F66.9°F
October 1065.8°F65.7°F55.2°F65.8°F
October 1166.4°F65.3°F55.2°F66.4°F
October 1264.8°F64.9°F55.4°F65.3°F
October 1366°F65.1°F55.6°F66°F
October 1465.3°F64.2°F55.8°F66.2°F
October 1565.8°F66°F55.9°F66.6°F
Day 2024 2023 Min Max
October 1665.5°F65.7°F55.9°F66.2°F
October 1765.8°F64.6°F56.3°F65.8°F
October 1864.6°F64.9°F56.3°F65.3°F
October 1964.6°F65.7°F56.3°F65.8°F
October 2063.9°F65.1°F56.3°F65.1°F
October 2163.7°F64°F56.3°F65.5°F
October 2263.5°F64.4°F56.3°F65.8°F
October 2364.4°F64.8°F56.3°F65.3°F
October 2463.7°F64.8°F56.1°F65.3°F
October 2564.2°F63.7°F56.1°F64.8°F
October 2662.6°F63.5°F56.1°F63.5°F
October 2762.4°F63.1°F55.8°F63.1°F
October 2861.7°F62.4°F54.3°F62.6°F
October 2962.1°F62.8°F54.3°F63°F
October 3061.3°F61.3°F54.9°F63.3°F
October 3161.2°F60.8°F54.3°F63°F
Hercules water temp chart in October

Average water temperature in Hercules in October over a decade

20152016201720182019
61.7°F58.6°F61.5°F63.5°F61.9°F
20202021202220232024
65.1°F62.4°F64.4°F64.8°F64.8°F

Hercules sea state in October

Chart comparing the height of waves in Hercules 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 Hercules in October

Hercules 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
San Diego66.9°F62.1°F73.8°F
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
Pinole60.6°F54.3°F68.2°F
Rodeo60.6°F54.3°F68.2°F
Montalvin60.6°F54.3°F68.7°F
San Pablo Bay60.6°F54.3°F68.7°F
China Camp60.4°F54.3°F69.1°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 Hercules 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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