Marathon Public Launch
Lake Superior · ramp
Marathon Public Launch
Lake Superior · ramp
24-Hour Wave Forecast
Safety context
Conditions can differ at the ramp and on your route. Check official warnings, local notices, visibility and your boat's operating limits. You are responsible for the launch decision.
Cold water can affect breathing and muscle control immediately. Wear a properly fitted Canadian-approved lifejacket or PFD.
Official Forecast
Environment Canada · Lake Superior
Today Tonight and Thursday.
Wind southeast 10 knots veering to south 10 near midnight then backing to southeast 10 Thursday afternoon. Wind increasing to south 15 Thursday evening.
Extended Outlook
Friday
Wind south 15 knots diminishing to light in the morning.
Saturday
Wind light.
Sunday
Wind south 15 knots diminishing to light.
Not for navigation. Verify official charts and local conditions.