Key Biscayne Water Temperature
(Today) 2024
The water will feel unpleasantly warm (stifling). May be a little too warm for any kind of activity, particularly if sunny.
*Live data from Virginia Key, FL: 31.3°C / 88.3°F
Current weather
(overcast clouds)
![Partly cloudy](/images/weather/partly_cloudy.png)
The measurements for the water temperature in Key Biscayne, Florida are provided by the daily satellite readings provided by the NOAA. The temperatures given are the sea surface temperature (SST) which is most relevant to recreational users.
*Live data may vary from satellite readings for a number of reasons. These include local factors, depth of smapling and time of day.
Water temp by month
Monthly average max / min water temperatures
The graph below shows the range of monthly Key Biscayne water temperature derived from many years of historical sea surface temperature data.
![Key Biscayne average maximum / minimum water temperatures](/public/charts/key-biscayne-us-water-temp.png)
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
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Min °C | 20.5 | 20 | 20.7 | 23.5 | 24.8 | 27.3 | 28.5 | 29.5 | 28.9 | 26.3 | 23.7 | 22.6 |
Max °C | 24 | 24.2 | 25.8 | 27.3 | 29.4 | 29.7 | 30.7 | 31.4 | 30.5 | 30.1 | 27.8 | 24.9 |
Min °F | 70.3 | 69.7 | 71.3 | 75.8 | 78.5 | 82.1 | 84.2 | 85.8 | 84.7 | 80.9 | 76.3 | 73.6 |
Max °F | 73.8 | 73.9 | 76.4 | 79.6 | 83.1 | 84.5 | 86.4 | 87.7 | 86.3 | 84.7 | 80.4 | 75.9 |
The warmest water temperature is in August with an average around 86.7°F / 30.4°C. The coldest month is February with an average water temperature of 71.8°F / 22.1°C.
7 day tide forecast for Key Biscayne
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*These tide times are estimates based on the nearest accurate location (Key Biscayne Yacht Club, Biscayne Bay, Florida) and may differ by up to half an hour depending on distance. Please note, the tide times given are not suitable for navigational purposes.