Sea Temperature

Bay Saint Louis Sea Temperature

(Today) Dec 2019

14.8°C / 58.6°F

Current weather

5°C / 41°F
(clear sky)

Partly cloudy

8 mph



The measurements for the water temperature in Bay Saint Louis, Mississippi 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 Bay Saint Louis water temperature derived from many years of historical sea surface temperature data.

Maximum and minimum monthly sea temperatures in Bay Saint Louis
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 10.5 10.1 12.2 17.7 20.5 26.2 27.8 28.3 25.7 21.4 16.4 13.1
Max °C 15.8 17.5 21 24.3 28.1 29.5 30.9 31.5 29.8 27.2 22.6 17.4
Min °F 53 53.1 57.5 66.5 71.9 80.4 83.2 84.2 79.9 72.8 64 57.3
Max °F 58.3 60.5 66.3 73.1 79.5 83.7 86.3 87.4 84 78.6 70.2 61.6

7 day tide forecast for Bay Saint Louis

  • Low 10:17am
  • High 11:27pm
  • Low 11:05am
  • High 12:05am
  • Low 11:54am
  • High 12:44am
  • Low 12:42pm
  • High 1:20am
  • Low 1:26pm
  • High 1:48am
  • Low 1:59pm
  • High 1:54am
  • Low 2:11pm
7 day tide times for Bay Saint Louis

*These tide times are estimates based on the nearest port (Bay St. Louis, Mississippi) 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 December sea temperatures

  • Max: 17.4°C / 63.2°F
  • Avg: 15.2°C / 59.4°F
  • Min: 13.1°C / 55.5°F
Bay Saint Louis average sea temperature chart

These average ocean temperatures for Bay Saint Louis are calculated from several years of archived data.

Map showing location of Bay Saint Louis (30.308810, -89.330050)

Locations nearby


Whilst sea temperatures for Bay Saint Louis 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 Bay Saint Louis

Bay Saint Louis average sea temperature chart