Sea Temperature

Toronto Sea Temperature

(Today) Dec 2017

6.1°C / 43°F

Current weather

(light shower snow)
-11°C / 13°F

Partly cloudy

5 mph



The measurements for the sea temperature in Toronto, Ontario 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 Toronto
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 1.9 0.5 0.5 1.6 2.4 8.3 17.5 20 17.4 9.2 5.9 2.9
Max °C 3.6 3.8 3.4 5.5 9.2 21.1 25.4 24.7 22.8 19 11.5 7
Min °F 36.1 34.2 34 36.4 39 52.1 66.6 69.8 65.5 52.5 44.9 38.8
Max °F 37.8 37.5 36.9 40.3 45.8 64.9 74.5 74.5 70.9 62.3 50.5 42.9

7 day tide forecast for Toronto

  • High 02:42am
  • Low 09:13am
  • High 03:13pm
  • Low 09:48pm
  • High 03:32am
  • Low 10:00am
  • High 03:58pm
  • Low 10:36pm
  • High 04:17am
  • Low 10:45am
  • High 04:41pm
  • Low 11:22pm
  • High 05:00am
  • Low 11:30am
  • High 05:21pm
  • Low 12:06am
  • High 05:40am
  • Low 12:13pm
  • High 05:59pm
  • Low 12:49am
  • High 06:19am
  • Low 12:56pm
  • High 06:37pm
  • Low 01:32am
  • High 06:57am
  • Low 01:39pm
  • High 07:14pm

*These tide times are estimates based on the nearest port (Troy, Hudson River) 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: 2.9°C / 37.1°F
  • Avg: 4.9°C / 40.8°F
  • Min: 7°C / 44.5°F
Toronto average sea temperature chart

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

Map showing location of Toronto (43.700110, -79.416300)

Locations nearby


Whilst sea temperatures for Toronto 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 Toronto
Gorad Taronta, Torontas, Toronto, Torontu, Torontum, Torontó, YTO, duo lun duo, roranro, taranto, taronto, tearanrea, tho rxn to, tolonto, toramto, toranto, toronto, twrntw, twrwntw, Τορόντο, Горад Таронта, Торонто, טאראנטא, טורונטו, تورنتو, تورونتو, ٹورانٹو, ٹورنٹو, टोरण्टो, टोराँटो, টরোন্টো, ਟਾਰਾਂਟੋ, ரொறன்ரோ, టొరంటో, ടൊറാന്റോ, โทรอนโต, ტორონტო, トロント, 多伦多, 토론토

Toronto average sea temperature chart