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Water temperature in Key Colony Beach (FL) in March

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Is it warm enough to swim in Key Colony Beach in March? Average water temperature in Key Colony Beach in March is 76.5°F and therefore suitable for comfortable swimming. The warmest sea in Key Colony Beach in March is 80.4°F, and the coldest is 71.2°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Key Colony Beach

Changes water temperature in Key Colony Beach in March 2025, 2024

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

You can choose any other years:

Year 1:   Year 2:


Day 2025 2024 Min Max
March 175.6°F73.8°F72.9°F79.2°F
March 275.7°F74.3°F72.3°F79°F
March 375.7°F74.1°F72.3°F79.3°F
March 475.6°F74.8°F72.5°F79.3°F
March 575.9°F76.3°F71.8°F79°F
March 675.6°F76.8°F72°F79°F
March 776.1°F77.2°F71.6°F78.4°F
March 875.7°F77.2°F71.2°F78.8°F
March 975.9°F77.2°F72°F79°F
March 1076.3°F77.9°F71.8°F78.6°F
March 1175°F76.5°F72°F79.7°F
March 1274.8°F77.2°F72.7°F79.5°F
March 1375.2°F77.5°F73°F78.1°F
March 1476.6°F77.5°F72.7°F78.1°F
March 1576.5°F77.5°F73°F78.8°F
Day 2025 2024 Min Max
March 1677°F77.9°F73°F78.6°F
March 1775.7°F77.5°F73°F78.3°F
March 1875.2°F79.5°F73.2°F79.5°F
March 1975.6°F79.2°F73.2°F79.2°F
March 2076.8°F80.1°F73.2°F80.1°F
March 2177°F79.3°F73.4°F79.3°F
March 2276.5°F79°F73.8°F79°F
March 2376.5°F77°F73.6°F79°F
March 2475.9°F77.5°F74.3°F80.4°F
March 2575.2°F78.1°F74.1°F80.2°F
March 2676.6°F77°F73.6°F79.5°F
March 2777°F77°F72.9°F79.5°F
March 2876.6°F76.5°F72.5°F79°F
March 2977.4°F76.6°F72°F79.5°F
March 3078.1°F76.3°F72.1°F79.2°F
March 3179°F76.3°F73.4°F80.2°F
Key Colony Beach water temp chart in March

Average water temperature in Key Colony Beach in March over a decade

20162017201820192020
76.6°F76.5°F76.3°F78.1°F77.2°F
20212022202320242025
76.8°F78.3°F77.9°F77.2°F76.3°F

Key Colony Beach sea state in March

Chart comparing the height of waves in Key Colony Beach in March 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 Key Colony Beach in March

Key Colony Beach 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 March?

Want to know where the water temperature in March 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 March. In addition, the maximum and minimum water temperatures for that month, recorded over the last decade, are shown

AvrMinMax
Sombrero Beach76.3°F71.1°F80.6°F
Cocoa Plum Beach76.1°F70.9°F80.8°F
Grassy Key76.3°F71.1°F80.6°F
Little Torch Key76.3°F70.7°F80.4°F
Looe Key76.6°F71.8°F80.4°F
Florida Keys76.1°F70.5°F80.4°F
Summerland Key76.1°F70.5°F80.4°F
Murray Key75.6°F68.9°F82.8°F
Cudjoe Key76.1°F70.3°F80.8°F
Islamorada76.3°F71.4°F80.1°F

Key Colony Beach photo gallery

  • Key Colony Beach

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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 Key Colony Beach 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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