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Surf Forecasts:

Marathon surfForecast / Lake Superior / Canada

information circle48hr Weather and Surf, issued 7 pm Wednesday 17 Sep 2025 EDT
Forecast update in hr  min  s Forecast update imminent
Marathon surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Marathon sea temperature is
12.6° C
 (Which is slightly warmer than usual)
Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Wednesday
17
Thursday
18
Friday
19
Saturday
20
5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)————————————————————————
Period(s) (?)------------------------
Wave
Graph
(?)Metric surfscale
Energy kJ (?)000000000000000000000000
Wind
(km/h)
10
W
15
N
15
NNE
20
NNE
20
NNE
20
NNE
20
NE
10
NNE
15
NE
15
NE
10
NE
10
NE
10
NE
10
NE
15
ENE
5
E
5
E
5
E
10
E
15
E
10
E
10
E
15
SSE
15
SSE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on		offoffoffoffoffoffoffoffcross-
off		offcross-
off		cross-
off		cross-
off		cross-
off		cross-
off		glassglasscross-
off		cross-
off		cross-
off		cross-
off		cross-
on		cross-
on
High Tide
/ height (m)
n/a
n/a
n/a
n/a
n/a
n/a
n/a
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n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
Low Tide
/ height (m)
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
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n/a
n/a
n/a
n/a
n/a
Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sunrise-----7:26-------7:26-------7:28--
Sunset7:54-------7:52-------7:51-------
part cloud
clear
clear
part cloud
cloud
cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
Rain (mm)
------------------------
Temp. °C20191615131214182015121098131718141110991416
Feels °C (?)2117141298101516129765915161286661012
  • 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

Eyeball surf reportRecent Eyeball Surf Reports for Lake Superior

  1. weather stationWind Update The wind is still cross-off at Marathon (light winds from the ENE at Pukaskwa(Aut)-Ont 23 km from Marathon). not gfswave

    1 hour 21 minutes ago Marathon
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23 km away, 1 h 21 min ago

11 km/h
ENE
14.3
12.6
Air / Water (°C)
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FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Marathon surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.

View detailed surf forecast for Marathon at:
surf-forecast.com

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