Sea Temperature

Key West Sea Temperature

(Today) Oct 2017

28.9°C / 84°F

Current weather

(light rain)
28°C / 82°F

Partly cloudy
Wind

10 mph

Humidity

78%


The measurements for the sea temperature in Key West, Florida are provided by the daily satellite readings provided by the NOAA. The temperatures given are the surface temperature (SST) which is most relevant to recreational users.

Monthly average max / min water temperatures

The graph below shows the range of monthly water temperatures over several years.

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

MonTueWedThuFriSatSun
  • Low 06:06am
    (0.29m)
  • High 12:13pm
    (1.77m)
  • Low 05:37pm
    (0.82m)
  • High 11:36pm
    (2.31m)
  • Low 06:50am
    (0.37m)
  • High 12:55pm
    (1.66m)
  • Low 06:10pm
    (0.88m)
  • High 12:15am
    (2.23m)
  • Low 07:38am
    (0.47m)
  • High 01:43pm
    (1.57m)
  • Low 06:48pm
    (0.95m)
  • High 01:01am
    (2.13m)
  • Low 08:36am
    (0.55m)
  • High 02:43pm
    (1.51m)
  • Low 07:38pm
    (1.01m)
  • High 01:56am
    (2.03m)
  • Low 09:42am
    (0.60m)
  • High 03:55pm
    (1.50m)
  • Low 08:53pm
    (1.04m)
  • High 03:04am
    (1.96m)
  • Low 10:48am
    (0.62m)
  • High 05:06pm
    (1.56m)
  • Low 10:23pm
    (1.01m)
  • High 04:23am
    (1.92m)
  • Low 11:43am
    (0.60m)
  • High 06:00pm
    (1.66m)
  • Low 11:38pm
    (0.90m)

*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 October sea temperatures

  • Max: 26.3°C / 79.3°F
  • Avg: 28.2°C / 82.8°F
  • Min: 30.2°C / 86.3°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