Johnson Key Water Temperature

(Today) 2022

30.3°C / 86.5°F

Current weather

29°C / 84°F
(overcast clouds)

Partly cloudy

Wind

15 mph

Humidity

69%


The measurements for the water temperature in Johnson Key, 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.

Monthly average water temp

Monthly average max / min water temperatures

The graph below shows the range of monthly Johnson Key water temperature derived from many years of historical sea surface temperature data.

Johnson Key average maximum / minimum water temperatures
Maximum and minimum monthly sea temperatures in Johnson Key
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 21.8 21.4 21.9 24.3 25.1 27.4 28.4 29.4 28.8 26.3 24.2 23.4
Max °C 24.8 25.1 26.5 27.8 29.4 29.9 31 31.3 30.5 30.2 28 26
Min °F 72.4 72 73.3 77.1 78.9 82.3 84.2 85.6 84.5 80.9 77.1 75.2
Max °F 75.4 75.7 77.9 80.6 83.2 84.8 86.8 87.5 86.2 84.8 80.9 77.8

The warmest water temperature is in August with an average around 86.5°F / 30.3°C. The coldest month is February with an average water temperature of 73.8°F / 23.2°C.


7 day tide forecast for Johnson Key

SatSunMonTueWedThuFri
  • Low 2:03am
    (-0.07m)
  • High 6:48am
    (0.45m)
  • Low 12:56pm
    (0.17m)
  • High 5:48pm
    (0.8m)
  • Low 2:38am
    (-0.04m)
  • High 7:26am
    (0.48m)
  • Low 1:42pm
    (0.18m)
  • High 6:29pm
    (0.77m)
  • Low 3:13am
    (-0.01m)
  • High 8:03am
    (0.51m)
  • Low 2:36pm
    (0.19m)
  • High 7:15pm
    (0.72m)
  • Low 3:49am
    (0.02m)
  • High 8:41am
    (0.55m)
  • Low 3:39pm
    (0.18m)
  • High 8:08pm
    (0.65m)
  • Low 4:26am
    (0.06m)
  • High 9:18am
    (0.6m)
  • Low 4:52pm
    (0.15m)
  • High 9:12pm
    (0.58m)
  • Low 5:06am
    (0.1m)
  • High 9:56am
    (0.65m)
  • Low 6:07pm
    (0.1m)
  • High 10:31pm
    (0.51m)
  • Low 5:49am
    (0.13m)
  • High 10:38am
    (0.71m)
  • Low 7:18pm
    (0.03m)
7 day tide times for Johnson Key

*These tide times are estimates based on the nearest accurate location (Flamingo, Florida 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.