Marathon surfForecast / Lake Superior / Canada

information circle12 Day Weather and Surf, issued 6 am Saturday 06 Dec 2025 EST
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
5.5° C
(Which is 1.4°C warmer than normal for this time of year)
Updates in  hr  min  s Forecast update imminent

Short Range Forecast A dusting of new snow. Temperatures will be below freezing (max -3°C on Mon morning, min -15°C on Sat night). Mainly fresh winds.

Days 3-6 Weather Summary Mostly dry. Temperatures will be well below freezing (max -7°C on Tue morning, min -15°C on Wed night). Wind will be generally light.

Saturday
06
Sunday
07
Monday
08
Tuesday
09
Wednesday
10
Thursday
11
Friday
12
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
Period(s) (?)---------------------
Wave
Graph
(?)Metric surfscale
Energy kJ (?)000000000000000000000
Wind
(km/h)
15
NNW
20
WNW
15
NW
10
NNW
15
NNW
10
NW
10
NW
35
SSW
10
NNE
20
NNE
15
NNE
25
NE
25
NNE
15
NNE
10
NE
10
NNE
10
NNE
10
NNE
15
NNE
20
NNE
25
N
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
crosscross-
off
cross-
off
cross-
off
cross-
off
cross-
off
onoffoffoffcross-
off
offoffoffoffoffoffoffoffcross-
off
High 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
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
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
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
Saturday
06
Sunday
07
Monday
08
Tuesday
09
Wednesday
10
Thursday
11
Friday
12
Sunrise8:22--8:23--8:25--8:26--8:26--8:27--8:29--
Sunset-4:50--4:50--4:50--4:50--4:49--4:49--4:49-
part cloud
part cloud
part cloud
part cloud
clear
part cloud
cloud
light snow
light snow
cloud
part cloud
part cloud
clear
clear
part cloud
cloud
cloud
cloud
cloud
cloud
part cloud
Rain (mm)
---------------------
Temp. °C-11-9-12-11-11-8-3-3-4-7-8-12-10-9-14-10-9-13-10-9-10
Feels °C (?)-17-16-19-19-18-14-12-12-8-14-14-19-18-15-19-15-14-19-17-16-18
  • 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

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Quick surf report for Marathon:

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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.


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Information about the Marathon Surf forecast

The above surf forecast table for Marathon provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Marathon can be found by selecting the local surf guide option on the grey menu. Our Marathon surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Marathon) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Marathon may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Are you planning a holiday in Lake Superior - Canada? If you are looking for accommodation near Marathon, camping, hotels and holiday cottages in Lake Superior - Canada, consider staying in Michipicoten Harbour which is 149 km (93 miles) away.

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