Marathon Surf Break

Lat Long: 48.73° N 86.55° W

Issued: 7 pm 09 Jun 2026 (local time)

Forecast update in  hr  min

Today's Marathon sea temperature is
3.2° 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.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Moderate rain (total 17mm), heaviest on Wed night. Warm (max 20°C on Wed afternoon, min 7°C on Fri morning). Wind will be generally light.

Days 5-7 Weather Summary

Light rain (total 5mm), mostly falling on Fri night. Very mild (max 12°C on Sun afternoon, min 6°C on Sun night). Wind will be generally light.

Wednesday
10
Thursday
11
Friday
12
Saturday
13
Sunday
14
Monday
15
Tue
16
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
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
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
Wave Graph
Metric surfscale
Energy kJ
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Wind (km/h)
0
NE
10
SSE
5
S
15
SSW
15
S
15
SSE
5
W
10
S
10
SSW
5
SSE
20
W
20
W
15
W
20
WNW
20
NW
5
WNW
10
WSW
10
WSW
0
WSW
10
SSW
10
SW
Wind State
glassy
cross-on
on
on
cross-on
cross-on
cross
on
on
cross-on
cross-on
cross-on
cross
cross
cross-off
cross
cross-on
cross-on
glassy
on
on
High Tide
Low Tide
part cloud
part cloud
part cloud
rain showers
cloud
part cloud
mod rain
cloud
rain showers
light rain
light rain
cloud
cloud
light rain
rain showers
clear
part cloud
part cloud
cloud
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:43
5:43
5:43
5:41
5:41
5:41
5:41
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:46
9:46
9:47
9:49
9:49
9:50
9:50
9:51
 mm
7
8
2
2
1
1
1
Temp °C
14
18
20
18
9
12
11
7
8
9
9
9
8
9
12
11
9
10
9
11
11
Feels °C
14
18
19
18
7
9
10
4
5
7
4
4
3
4
7
7
6
7
8
8
7
Swell 1
Height (m)
Direction
Period (s)
Energy kJ
Swell 2
Height (m)
Direction
Period (s)
Energy kJ
Swell 3
Height (m)
Direction
Period (s)
Energy kJ
Wind waves
Height (m)
Direction
Period (s)
Energy kJ
Nearest Offshore or Glassy
Rating
(10 max)
1
1
3
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
Distance (km)
1371
1744
3102
1461
1360
1350
1350
1403
2725
1397
1424
1396
1424
1744
1371
1377
1382
1744
1382
1350
1356
Best forecast wave conditions in Lake Superior - Canada
Rating
(10 max)
Best forecast wave conditions in Canada
Rating
(10 max)
1
3
1
1
4
1
1
4
1
1
3
1
1
2
2
1
3
2
1
1
Header Global
Rating
(10 max)
5
5
7
8
6
6
5
7
7
6
5
4
5
5
6
4
4
7
9
7
4
  • 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
How to use the Wavefinder
submit an eyeball surf report

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.


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 16 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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