Marathon Surf Forecast and Surf Reports

(Lake Superior – Canada)

Forecast
- Hourly Forecast
- 16 Day Forecast
Maps
Live
Weather State
Spot Information

Marathon Surf Guide

Marathon in Lake Superior is a fairly exposed point break that has unreliable waves Ideal winds are from the north northeast. Short period wind swells are the rule and the optimum wave angle is from the south.. Rarely crowded here. Submerged rocks are a hazard.

Marathon Spot Info

Type:	Rating:	Reliability:	Todays Sea Temp*:
Point	3	inconsistent	1.6°C*ocean temperature recorded from satellite

Surfing Marathon:

The best conditions reported for surf at Marathon occur when a South swell combines with an offshore wind direction from the North-northeast.

Hourly Forecast

16 Day Forecast

Explore Marathon Location Map

Interactive Marathon surf break location map. View information about nearby surf breaks, their wave consistency and rating compared to other spots in the region. Current swell conditions from local buoys are shown along with live wind speed and direction from nearby weather stations. Click icons on the map for more detail. The nearest passenger airport to Marathon is Geraldton Greenstone Regional Airport (YGQ) in Canada, which is 120 km (75 miles) away (directly). The second closest airport to Marathon is Thunder Bay Airport (YQT), also in Canada, 208 km (129 miles) away.

Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)

Please note that some surf spot locations are approximate to protect their exact location while others are not shown at close zoom level.

Marathon Surf Forecasts:

Hourly Forecast

16 Day Forecast

Todays Surf Summary
Tuesday, 5 May 2026, 10:06 Local Time

m, °C	Tuesday 05
ft, °F	11AM	2PM	5PM	8PM
Wave (m)
Period (s)	-	-	-	-
Wind (km/h)
Wind State	cross	cross- on	cross- on	cross

Marathon Sea Temperature

Water temperature (1.6 °C) at Marathon is close to freezing. Despite the weak sunshine, the air will feel like -4.0 °C. Even if you wear a thick winter wetsuit, a neoprene hood, neoprene gloves and boots, it will still be difficult to stay in the sea for very long today.

Today, many surfers would wear a winter wetsuit, a neoprene hood, gloves and boots.