Key Biscayne Water Temperature

(Today) 2023

26.1°C / 78.9°F

The water will feel hot. Water temperature similar to a heated indoor swimming pool.

Current weather

18°C / 64°F
(scattered clouds)
Partly cloudy
Wind
6 mph
Humidity
88%

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.

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
Maximum and minimum monthly sea temperatures in Key Biscayne
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
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

TueWedThuFriSatSunMon
  • Low 3:08am
    (-0.02m)
  • High 9:26am
    (0.8m)
  • Low 3:35pm
    (0.11m)
  • High 9:30pm
    (0.73m)
  • Low 3:54am
    (0m)
  • High 10:10am
    (0.77m)
  • Low 4:21pm
    (0.13m)
  • High 10:15pm
    (0.7m)
  • Low 4:40am
    (0.03m)
  • High 10:54am
    (0.74m)
  • Low 5:06pm
    (0.15m)
  • High 11:00pm
    (0.67m)
  • Low 5:26am
    (0.06m)
  • High 11:39am
    (0.7m)
  • Low 5:53pm
    (0.17m)
  • High 11:47pm
    (0.64m)
  • Low 6:13am
    (0.1m)
  • High 12:24pm
    (0.67m)
  • Low 6:42pm
    (0.18m)
  • High 12:37am
    (0.61m)
  • Low 7:02am
    (0.13m)
  • High 1:12pm
    (0.64m)
  • Low 7:32pm
    (0.18m)
  • High 1:31am
    (0.59m)
  • Low 7:53am
    (0.15m)
  • High 2:01pm
    (0.62m)
  • Low 8:22pm
    (0.18m)
7 day tide times for Key Biscayne

*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.