World sea water temperatures

Water temperature in Marco Island (FL) in August

Is it warm enough to swim in Marco Island in August? Average water temperature in Marco Island in August is 87.1°F and therefore suitable for comfortable swimming. The warmest sea in Marco Island in August is 90.7°F, and the coldest is 83.8°F. Average high air temperature in Marco Island in August is 90°F, and average low temperature is 75°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Marco Island

Changes water temperature in Marco Island in August 2025, 2024

To get an accurate forecast for the water temperature in Marco Island for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Marco Island, 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 189.1°F88.3°F86.2°F89.1°F
August 289.8°F88.3°F85.1°F89.8°F
August 389.6°F88.2°F85.1°F89.6°F
August 490.1°F88°F86°F90.1°F
August 589.8°F88°F86°F89.8°F
August 689.2°F86.7°F85.8°F89.2°F
August 789.1°F86.2°F85.6°F89.2°F
August 888.7°F86.4°F85.8°F89.8°F
August 988.7°F87.1°F85.5°F89.8°F
August 1088.7°F86.4°F85.3°F90°F
August 1186.9°F86.5°F85.6°F89.6°F
August 1287.3°F87.4°F85.5°F89.8°F
August 1386.9°F88.5°F85.6°F90.7°F
August 1487.1°F88.2°F86°F90.1°F
August 1587.4°F88.3°F86.5°F89.2°F
Day 2025 2024 Min Max
August 1688.2°F87.6°F86.2°F89.1°F
August 1789.1°F87.4°F86.2°F89.1°F
August 1889.2°F86.9°F86°F89.2°F
August 1989.2°F86.7°F85.8°F89.2°F
August 2089.6°F86.9°F85.8°F89.6°F
August 2189.2°F86.5°F84.4°F89.2°F
August 2289.2°F86.4°F84.2°F89.2°F
August 2389.4°F85.8°F84.4°F89.4°F
August 2489.2°F85.6°F84.7°F89.2°F
August 2588.9°F86°F85.6°F89.2°F
August 2688.7°F86.2°F85.5°F88.7°F
August 2788.3°F86.9°F84.9°F88.3°F
August 2888.2°F87.1°F83.8°F88.2°F
August 2988.7°F86.7°F83.8°F88.7°F
August 3088.9°F86.2°F83.8°F88.9°F
August 3188.7°F86.2°F84.2°F88.7°F
Marco Island water temp chart in August

Average water temperature in Marco Island in August over a decade

20162017201820192020
86.7°F87.4°F86.4°F86.7°F87.3°F
20212022202320242025
87.1°F86.9°F88.2°F87.1°F89.4°F

Marco Island sea state in August

Chart comparing the height of waves in Marco Island 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 Marco Island in August

Weather and climate in Marco Island in August

This data display average monthly climate indicators in Marco Island in August based on our historical weather readings over a period of ten years. In addition to temperature, we include data on the number of rainy and sunny days so you can have all the information about your destination before your trip

  • Average HIGH temperature90°F
  • Average LOW temperature75°F
  • Average rainfall days16 days
  • Average rainfall203mm/8''
  • Average daylight13h
  • Average sunshine9h
  • Average UV index11

Marco Island 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

Temperature in neighboring cities

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

AvrMinMax
Tigertail Beach87.1°F83.8°F90.7°F
Goodland87.1°F83.8°F90.5°F
Keewaydin87.1°F83.8°F90.1°F
Lowdermilk Beach87.1°F83.8°F90°F
Park Shore86.9°F83.8°F90.1°F
Moorings86.9°F83.8°F90.1°F
Clam Pass Beach86.9°F83.8°F90.1°F
Everglades City87.1°F83.8°F90.5°F
North Naples86.9°F83.8°F90°F
Vanderbilt Beach86.9°F83.8°F90°F

Marco Island photo gallery

  • Marco Island

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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 Marco Island 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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