Sea Temperature

Porto Alegre Sea Temperature

(Today) Jan 2019

25°C / 77°F

Current weather

22°C / 72°F
(light rain)

Partly cloudy

5 mph



The measurements for the water temperature in Porto Alegre, Rio Grande do Sul 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 Porto Alegre water temperature derived from many years of historical sea surface temperature data.

Maximum and minimum monthly sea temperatures in Porto Alegre
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 22.9 23.3 21.8 20.8 19.1 16.3 13 13.8 14.7 17.2 19.1 20.9
Max °C 26.4 25.7 26.4 24.5 21.5 21.1 18.8 17.8 18 20.6 21.7 24.3
Min °F 74.6 74.9 73.1 70.9 67.3 63.3 57.7 58.4 59.7 64.3 67.4 71
Max °F 78.1 77.3 77.7 74.6 69.7 68.1 63.5 62.4 63 67.7 70 74.4

7 day tide forecast for Porto Alegre

  • High 02:44am
  • Low 07:21am
  • High 02:50pm
  • Low 07:26pm
  • High 03:49am
  • Low 08:15am
  • High 03:41pm
  • Low 08:16pm
  • High 04:52am
  • Low 08:55am
  • High 04:34pm
  • Low 08:55pm
  • High 05:33am
  • Low 09:29am
  • High 05:15pm
  • Low 09:31pm
  • High 06:06am
  • Low 10:03am
  • High 05:48pm
  • Low 10:08pm
  • High 06:39am
  • Low 10:39am
  • High 06:20pm
  • Low 10:51pm
  • High 07:14am
  • Low 11:29am
  • High 06:54pm
  • Low 11:52pm

*These tide times are estimates based on the nearest port (Laguna, 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 January sea temperatures

  • Max: 26.4°C / 79.4°F
  • Avg: 24.6°C / 76.3°F
  • Min: 22.9°C / 73.1°F
Porto Alegre average sea temperature chart

These average ocean temperatures for Porto Alegre are calculated from several years of archived data.

Map showing location of Porto Alegre (-30.033060, -51.230000)

Locations nearby


Whilst sea temperatures for Porto Alegre 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 Porto Alegre
POA, Porto Alegre, Porto de Sao Francisco dos Casaes, Porto-Alegro, Portu-Alegre, Portu-Alegri, Portus Alacer in Brasilia, Puerto Alegre, Pôrto de São Francisco dos Casaes, a lei ge li gang, Порто Алегре, Порту-Алегре, Порту-Алегри, פורטו אלגרה, ポルト・アレグレ, 阿雷格里港

Porto Alegre average sea temperature chart