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
Lac Supérieur Est
Tonight and Thursday.
Wind light becoming southeast 10 knots near midnight. Wind southeast 10 Thursday.
Fog patches forming Thursday evening.
Lac Supérieur Ouest
Tonight and Thursday.
Wind southeast 10 knots becoming variable 10 Thursday evening.
Scattered showers overnight and Thursday morning with a risk of thunderstorms. Fog patches forming Thursday evening.
Extended Outlook
Friday
Wind light.
Saturday
Wind light.
Sunday
Wind light.
Not for navigation. Verify official charts and local conditions.