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.
Official Forecast
Environment Canada · Lake Superior
Lac Supérieur Est
Tonight and Friday.
Wind northwest 10 knots becoming light this evening then becoming southeast 10 Friday morning. Wind increasing to southeast 15 Friday afternoon then diminishing to light Friday evening.
Showers Friday afternoon and evening with a risk of thunderstorms. Smoke. Visibility as low as 1 mile in smoke.
Lac Supérieur Ouest
Tonight and Friday.
Wind light becoming southeast 15 knots Friday morning.
Showers Friday with a risk of thunderstorms. Smoke. Visibility as low as 1 mile in smoke.
Extended Outlook
Saturday
Wind light becoming northwest 15 knots in the morning then diminishing to light late in the day.
Sunday
Wind light becoming south 15 knots late in the day.
Monday
Wind southwest 20 knots.
Not for navigation. Verify official charts and local conditions.