Lake Superior Water Temperature

(Today) Aug 2025

15.2°C / 59.3°F

The water will feel medium. The water will feel a bit chilly in just bathers / swimming costume. If you plan on wearing a wetsuit 4/3mm should be thick enough.

Current weather

15°C / 59°F
(clear sky)
Partly cloudy
Wind
6 mph
Humidity
77%

Water temps is based on average surface temperatures measured throughout Lake Superior.

Map showing Lake Superior locations. Click on pins to view water temperature.

6 locations listed in Lake Superior.