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Surf Forecasts:

Ontonagon surfForecast / Lake Superior / USA

information circle48hr Weather and Surf, issued 6 pm Saturday 15 Nov 2025 EST
Forecast update in hr  min  s Forecast update imminent
Ontonagon surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Ontonagon sea temperature is
8.1° C
 (Which is 3.1°C warmer than normal for this time of year)

How big are the waves at Ontonagon today?

The current surf forecast for Ontonagon at 11PM is: 1.6m 6s primary swell from a Northwest direction and 0.1m 7s secondary swell from a East direction (forecast issued at 06:00pm November 15). The wind direction is predicted to be cross-onshore.

Time (EST) & DateWave HeightWave Period
Morning (15 Nov)--
Afternoon (15 Nov)4ft (1.2m)5s
Evening (15 Nov)5.5ft (1.7m)6s

Table - waves today at Ontonagon. (Swell directed towards the surf break)

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Saturday
15
Sunday
16
Monday
17
Tuesday
18
4 PM7 PM10 PM1 AM4 AM7 AM10 AM1 PM4 PM7 PM10 PM1 AM4 AM7 AM10 AM1 PM4 PM7 PM10 PM1 AM4 AM7 AM10 AM1 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 (?)
1.3
WNW
1.6
NW
1.7
NW
1.6
NW
1.5
NW
1.4
NW
1.3
NW
1.3
NW
1.1
NW
1.1
NW
1.1
NW
0.9
NNW
0.9
NW
0.8
NNW
0.7
NNW
0.4
NNW
0.2
NNW
—
0.2
NNW
—————
Period(s) (?)55665555555444443-2-----
Wave
Graph
(?)Metric surfscale
Energy kJ (?)80140177144126106968059585134272214510100000
Wind
(km/h)
35
WNW
35
NW
35
NW
35
NW
35
NW
35
NW
30
NW
30
NW
30
NW
30
NW
25
NNW
25
NNW
20
NW
20
NW
20
NNW
15
NW
10
NW
0
WNW
5
ESE
10
SSE
5
SE
10
SE
10
SE
5
E
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		glassglassoffcross-
off		cross-
off		cross-
off		glass
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
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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
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
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n/a
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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
n/a
Saturday
15
Sunday
16
Monday
17
Tuesday
18
Sunrise------8:00-------8:02-------8:03-
Sunset5:22-------5:22-------5:21-------
clear
clear
cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
part cloud
part cloud
clear
clear
Rain (mm)
------------------------
Temp. °C865433334543223332110024
Feels °C (?)-1-3-5-5-6-6-6-6-4-3-4-4-5-4-3-2-2-1-3-3-4-4-20
  • 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

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 Ontonagon 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 Ontonagon at:
surf-forecast.com

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