São Luís Sea Temperature

(Today) Sep 2020

27.8°C / 82.0°F

Current weather

28°C / 82°F
(broken clouds)

Partly cloudy

13 mph



The measurements for the water temperature in São Luís, Maranhão 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 São Luís water temperature derived from many years of historical sea surface temperature data.

São Luís average maximum / minimum water temperatures
Maximum and minimum monthly sea temperatures in São Luís
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 28 27.9 27.9 28.1 27.8 27.8 27.3 26.8 26.6 26.6 27.1 27
Max °C 29 29.5 29.7 29.2 29.4 28.7 28.6 28.7 27.8 28.2 28.3 28.8
Min °F 82.8 82.9 82.9 83 82.7 82.4 81.6 81 80.4 80.5 81.3 81.3
Max °F 83.8 84.5 84.7 84.1 84.3 83.3 82.9 82.9 81.6 82.1 82.5 83.1

7 day tide forecast for São Luís

  • High 1:04am
  • Low 7:36am
  • High 2:06pm
  • Low 8:10pm
  • High 2:31am
  • Low 9:05am
  • High 3:36pm
  • Low 9:41pm
  • High 3:58am
  • Low 10:22am
  • High 4:46pm
  • Low 10:50pm
  • High 5:03am
  • Low 11:18am
  • High 5:36pm
  • Low 11:39pm
  • High 5:51am
  • Low 12:01pm
  • High 6:15pm
  • Low 12:19am
  • High 6:30am
  • Low 12:37pm
  • High 6:48pm
  • Low 12:53am
  • High 7:04am
  • Low 1:09pm
  • High 7:19pm
7 day tide times for São Luís

*These tide times are estimates based on the nearest port (São Luís, Brazil) 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 September sea temperatures

  • Max: 27.8°C / 82°F
  • Avg: 27.2°C / 81°F
  • Min: 26.6°C / 79.9°F
São Luís average water temp

These average ocean temperatures for São Luís are calculated from several years of archived data.

Map showing location of São Luís (-2.529720, -44.302780)

Locations nearby


Whilst sea temperatures for São Luís 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 São Luís
Maranhao, Maranhão, San-Luis, Sao Luis, Sao Luis do Maranhao, Sao Luiz, Sao Luiz de Maranhao, Sao Luiz do Maranhao, São Luis, São Luiz, São Luiz de Maranhão, São Luiz do Maranhão, São Luís, São Luís do Maranhão, Сан-Луис, סאו לואיס