Marathon Surf Break
Lat Long: 48.73° N 86.55° W

Marathon Surf Guide

Weather Forecast for Marathon

Issued: 7 pm 08 Jun 2026 (local time)

Forecast update in  hr  min

Today's Marathon sea temperature is
2.5° C

Normal for this time of year

Marathon surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.

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*:
Point3inconsistent
2.5°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.

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)
Map placeholder
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:
Todays Surf Summary
Monday, 8 June 2026, 21:55 Local Time
MonTuesday 09
11PM2AM5AM8AM
Wave (m)
Period (s) - - - -
Wind (km/h)
5
5
5
5
Wind State cross-
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Marathon Sea Temperature

The Marathon water temperature (2.5 °C) is close to freezing. Although it will be cloudy today, air temperatures will be relatively mild, feeling more like (13.0 °C). Surfers will need a great quality winter wetsuit, a neoprene hood, gloves and neoprene boots.

Today, many surfers would wear a winter wetsuit, a neoprene hood, gloves and boots.
Current Temp*: 2.5°C*ocean temperature recorded from satellite
water-temp
Global-Atlantic Sea TemperatureView Sea Temp Map

Swell History at Marathon

Surf stats for Marathon, see the swell variation by month or season on the history page here.

Marathon Location Map
Average Swell
View Swell Statistics

Wind History at Marathon

Wind stats for Marathon, see the variation in direction and stength by month or season on the history page here.

Marathon Location Map
Average Wind
View Wind Statistics

Other Nearby Breaks Closest To:

Discover surf breaks near Marathon. Click below to view there surf guides.

Wave Buoys Nearest To Marathon:

Nearest locationNearest