At this moment warmest sea in Canada was observed in the following locations: Niagara-on-the-Lake, Windsor, Kingston.
You can find the full list of Canada marine locations in the table below. It shows current sea temperature values and averages for current and upcoming months.
| Place name | Current sea temp |
September 2025 | October 2025 |
|---|---|---|---|
| Niagara-on-the-Lake | 72.3°F | 67.8°F | 63.2°F |
| Windsor | 72.3°F | 68.5°F | 61.7°F |
| Kingston | 70.9°F | 67.2°F | 61.4°F |
| Niagara Falls | 69.3°F | 66.4°F | 62.4°F |
| Barrie | 68.7°F | 66.4°F | 61.7°F |
| Hamilton | 68.2°F | 66.3°F | 63.0°F |
| Montreal | 67.5°F | 66.7°F | 58.1°F |
| Toronto | 67.1°F | 65.1°F | 62.7°F |
| Quebec | 67.1°F | 65.9°F | 58.6°F |
| Oshawa | 66.9°F | 65.2°F | 62.2°F |
| Mississauga | 65.7°F | 65.6°F | 62.8°F |
| Gimli | 65.1°F | 63.6°F | 53.6°F |
| Winnipeg | 64.9°F | 64.2°F | 53.7°F |
| Halifax | 62.8°F | 65.2°F | 58.6°F |
| Summerside | 62.6°F | 66.2°F | 56.7°F |
| Sydney | 62.4°F | 64.8°F | 57.5°F |
| Charlottetown | 62.4°F | 65.8°F | 57.5°F |
| Lunenburg | 61.9°F | 65.4°F | 58.9°F |
| Moncton | 61.2°F | 62.1°F | 55.8°F |
| Thunder Bay | 60.6°F | 59.9°F | 54.5°F |
| Prince Edward Island | 60.4°F | 65.0°F | 57.0°F |
| Nanaimo | 60.3°F | 61.8°F | 53.3°F |
| Surrey | 60.3°F | 62.4°F | 53.5°F |
| Vancouver | 58.5°F | 61.7°F | 52.5°F |
| North Vancouver | 58.5°F | 61.9°F | 52.6°F |
| Bonavista | 58.5°F | 55.7°F | 50.6°F |
| Les Iles-de-la-Madeleine | 58.3°F | 63.3°F | 54.7°F |
| Tofino | 57.9°F | 58.3°F | 53.5°F |
| St. John's | 57.4°F | 56.1°F | 50.2°F |
| Saint Andrews | 56.7°F | 58.2°F | 54.8°F |
| Trinity | 56.3°F | 55.5°F | 49.3°F |
| Saint John | 56.1°F | 58.5°F | 54.9°F |
| Corner Brook | 54.9°F | 61.5°F | 54.0°F |
| Rocky Harbour | 52.5°F | 60.8°F | 53.6°F |
| Yellowknife | 52.2°F | 57.4°F | 47.6°F |
| Victoria | 52.2°F | 53.0°F | 50.8°F |
| Twillingate Island | 50.9°F | 56.9°F | 48.0°F |
Charts below show average sea water temperature for Canada resorts with the warmest sea.
You can also check other months of the year to see sea temperature of Canada resorts at that time.
Places in Canada:
Name
°F
