Sea Temperature

Key West Sea Temperature

(Today) Apr 2018

26.1°C / 79°F

Current weather

(clear sky)
26°C / 80°F

Partly cloudy
Wind

9 mph

Humidity

69%


The measurements for the water temperature in Key West, 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 max / min water temperatures

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

Maximum and minimum monthly sea temperatures in Key West
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 19.8 19.5 20.3 23.5 24.8 27.1 28.3 29.3 28.7 26.3 23.8 22.2
Max °C 23.8 24.1 25.6 27.3 29.3 29.9 31.1 31.7 30.8 30.2 27.9 25
Min °F 69.2 68.9 70.6 75.8 78.4 81.9 84.1 85.7 84.5 80.9 76.4 73.1
Max °F 73.2 73.5 75.9 79.6 82.9 84.7 86.9 88.1 86.6 84.8 80.5 75.9

7 day tide forecast for Key West

WedThuFriSatSunMonTue
  • Low 12:19am
    (-0.01m)
  • High 06:55am
    (1.37m)
  • Low 12:26pm
    (0.31m)
  • High 06:48pm
    (1.64m)
  • Low 01:09am
    (0.03m)
  • High 07:36am
    (1.55m)
  • Low 01:29pm
    (0.12m)
  • High 07:52pm
    (1.63m)
  • Low 01:51am
    (0.07m)
  • High 08:13am
    (1.71m)
  • Low 02:23pm
    (-0.05m)
  • High 08:46pm
    (1.61m)
  • Low 02:30am
    (0.11m)
  • High 08:46am
    (1.85m)
  • Low 03:12pm
    (-0.18m)
  • High 09:33pm
    (1.56m)
  • Low 03:06am
    (0.17m)
  • High 09:18am
    (1.96m)
  • Low 03:56pm
    (-0.27m)
  • High 10:16pm
    (1.50m)
  • Low 03:41am
    (0.22m)
  • High 09:48am
    (2.01m)
  • Low 04:38pm
    (-0.31m)
  • High 10:57pm
    (1.42m)
  • Low 04:15am
    (0.29m)
  • High 10:18am
    (2.03m)
  • Low 05:19pm
    (-0.30m)
  • High 11:35pm
    (1.34m)

*These tide times are estimates based on the nearest port (Key West, south side) and may differ by up to half and hour depending on distance. Please note, the tide times given are not suitable for navigational purposes.

Average April sea temperatures

  • Max: 27.3°C / 81.1°F
  • Avg: 25.4°C / 77.7°F
  • Min: 23.5°C / 74.3°F
Key West average sea temperature chart

These average ocean temperatures for Key West are calculated from several years of archived data.

Map showing location of Key West (24.555700, -81.782590)

Locations nearby

Variations

Whilst sea temperatures for Key West are as accurate as current data allows, there may be slight local and regional variations depending on conditions. Time of day and wind direction may have a temporary local effect as can water flows from neraby rivers.

Alternate names for Key West
EYW, Ki-Uehst, Ки-Уэст

Key West average sea temperature chart