World sea water temperatures

Water temperature in Murray Key (FL) in October

Is it warm enough to swim in Murray Key in October? Average water temperature in Murray Key in October is 82.4°F and therefore suitable for comfortable swimming. The warmest sea in Murray Key in October is 87.6°F, and the coldest is 76.6°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Murray Key

Changes water temperature in Murray Key in October 2025, 2024

To get an accurate forecast for the water temperature in Murray 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 Murray 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 185.6°F87.4°F81.7°F87.4°F
October 285.5°F87.6°F82.2°F87.6°F
October 386°F87.4°F82.8°F87.4°F
October 483.7°F87.1°F81°F87.1°F
October 584.9°F86.9°F81°F86.9°F
October 684.6°F85.8°F81°F86°F
October 785.3°F85.5°F81.1°F87.6°F
October 885.5°F85.1°F80.6°F86.7°F
October 984.7°F84.7°F80.2°F86°F
October 10 82.2°F80.6°F85.8°F
October 11 83.1°F81.1°F86.5°F
October 12 82.6°F81°F86.7°F
October 13 82.6°F80.8°F85.6°F
October 14 82.2°F80.6°F86.2°F
October 15 82.9°F80.1°F85.6°F
Day 2025 2024 Min Max
October 16 82.8°F79.9°F84.7°F
October 17 82.2°F79.7°F84.4°F
October 18 81.9°F79.7°F84.6°F
October 19 81.7°F78.3°F84°F
October 20 80.2°F78.8°F85.1°F
October 21 81°F77.9°F85.1°F
October 22 80.2°F78.1°F86.2°F
October 23 79.9°F76.6°F85.6°F
October 24 81.3°F78.1°F85.1°F
October 25 81°F78.3°F83.7°F
October 26 80.2°F78.1°F84.4°F
October 27 80.6°F77.9°F83.1°F
October 28 80.2°F77.9°F83.7°F
October 29 78.3°F77.7°F84°F
October 30 79°F77.9°F84.2°F
October 31 78.6°F77.5°F85.1°F
Murray Key water temp chart in October

Average water temperature in Murray Key in October over a decade

20152016201720182019
82°F81.3°F82.8°F82.9°F83.7°F
20202021202220232024
84°F82.9°F81.7°F82.6°F82.6°F

Murray Key sea state in October

Chart comparing the height of waves in Murray 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 Murray Key in October

Murray 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
Flamingo82.4°F77.4°F87.8°F
Islamorada83.1°F78.1°F86.5°F
Grassy Key83.3°F78.6°F86.4°F
Cocoa Plum Beach83.1°F78.6°F86.9°F
Marathon Key82.9°F78.4°F87.1°F
Sombrero Beach83.3°F78.6°F86.7°F
Blackwater Sound82.8°F77°F87.3°F
Pennekamp83.3°F77.7°F86.4°F
Manatee Bay82.8°F77.5°F87.1°F
Bahia Honda83.3°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 Murray 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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