World sea water temperatures

Water temperature in Big Coppitt Key (FL) in October

Is it warm enough to swim in Big Coppitt Key in October? Average water temperature in Big Coppitt Key in October is 82.9°F and therefore suitable for comfortable swimming. The warmest sea in Big Coppitt Key in October is 87.1°F, and the coldest is 78.3°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Big Coppitt Key

Changes water temperature in Big Coppitt Key in October 2025, 2024

To get an accurate forecast for the water temperature in Big Coppitt Key for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Big Coppitt Key, 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 2025 2024 Min Max
October 186.2°F86°F82.8°F86.2°F
October 286.5°F86.9°F82.8°F86.9°F
October 385.8°F87.1°F82.9°F87.1°F
October 485.5°F86.7°F82.4°F86.7°F
October 585.1°F86.5°F82.8°F86.5°F
October 685.8°F86°F82.4°F86°F
October 785.5°F85.6°F82.4°F85.8°F
October 885.3°F84.7°F82.2°F86.2°F
October 985.3°F84.7°F81.9°F86°F
October 10 83.8°F82°F85.8°F
October 11 83.3°F82.4°F86.4°F
October 12 83.1°F82°F86.2°F
October 13 82.9°F81.7°F86.2°F
October 14 82.2°F81.5°F86.2°F
October 15 82.8°F81°F86°F
Day 2025 2024 Min Max
October 16 82.9°F81°F85.6°F
October 17 82.8°F81°F85.1°F
October 18 82.6°F81°F84.2°F
October 19 81.7°F80.8°F84°F
October 20 81°F80.2°F85.1°F
October 21 80.8°F80.1°F84.9°F
October 22 80.6°F79°F85.6°F
October 23 80.1°F79°F85.1°F
October 24 80.4°F78.3°F84.7°F
October 25 81.3°F79.5°F84.4°F
October 26 81°F79.3°F84°F
October 27 81.1°F79.3°F83.5°F
October 28 80.8°F79.5°F83.7°F
October 29 80.4°F78.8°F84.4°F
October 30 79.7°F78.3°F83.8°F
October 31 80.2°F78.3°F84.4°F
Big Coppitt Key water temp chart in October

Average water temperature in Big Coppitt Key in October over a decade

20152016201720182019
82.6°F82.8°F83.1°F83.5°F83.8°F
20202021202220232024
83.8°F83.7°F82°F83.3°F82.9°F

Big Coppitt Key sea state in October

Chart comparing the height of waves in Big Coppitt Key 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 Big Coppitt Key in October

Big Coppitt Key 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

Temperature in neighboring cities

The nearest locations with the average water temperature in October. In addition, the maximum and minimum water temperatures for that month, recorded over the last decade, are shown

AvrMinMax
Geiger Beach83.3°F78.8°F86.7°F
Stock Island83.1°F78.3°F87.1°F
Fort Zachary Taylor83.3°F78.6°F86.9°F
Smathers Beach83.3°F78.6°F86.9°F
Sugarloaf Key83.1°F78.6°F86.7°F
Summerland Key83.1°F78.8°F86.5°F
Ramrod Key83.1°F78.8°F86.5°F
Little Torch Key83.1°F78.8°F86.5°F
Looe Key83.5°F79.2°F86.5°F
Big Pine Key83.1°F78.8°F86.5°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 Big Coppitt Key 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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