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Ontonagon Surf Forecast
/ Lake Superior (10 breaks) / Michigan (11 breaks) /
Surf Forecasts:
Ontonagon surfForecast / Lake Superior / USA
48hr Weather and Surf, issued 1 am Sunday 12 Apr 2026 EDTForecast 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
1.4° C
(Which is normal for this time of year)| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Apr) | - | - |
| Afternoon (12 Apr) | 0.5ft (0.2m) | 5s |
| Evening (12 Apr) | 0.5ft (0.2m) | 8s |
Table - waves today at Ontonagon. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sunday 12 | Monday 13 | Tuesday 14 | ||||||||||||||||||||||
| 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |  |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | — | — | ||||||||||||||||||||||
| Period(s) (?) | 4 | 4 | 5 | 5 | 5 | 4 | 5 | 6 | 8 | 8 | 4 | 4 | 3 | 3 | - | - | 3 | 4 | 4 | 5 | 5 | 5 | 5 | 5 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 3 | 10 | 10 | 5 | 5 | 1 | 1 | 0 | 0 | 3 | 13 | 24 | 36 | 45 | 42 | 34 | 31 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | cross- off | cross- off | off | off | off | off | cross- off | cross- off | cross- off | cross | cross | cross- on | cross- on | on | cross | cross- off | cross- on | cross- on | cross | cross | on | on | cross- on |
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 | 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 | n/a n/a | n/a n/a | n/a n/a |
Sunday 12 | Monday 13 | Tuesday 14 | ||||||||||||||||||||||
| Sunrise | - | - | - | 7:15 | - | - | - | - | - | - | - | 7:13 | - | - | - | - | - | - | - | 7:11 | - | - | - | - |
| Sunset | - | - | - | - | - | - | - | 8:40 | - | - | - | - | - | - | - | 8:42 | - | - | - | - | - | - | - | 8:43 |
 |  |  |  | | | |  |  |  | |  | | | | | | | | | | | | | |
Rain (mm) | 7 | 13 | 1 | 1 | 1 | 1 | 4 | - | - | - | - | - | - | - | - | - | 21 | 4 | - | - | - | - | - | - |
| Temp. °C | 6 | 6 | 6 | 8 | 9 | 13 | 15 | 17 | 15 | 8 | 6 | 5 | 5 | 6 | 7 | 6 | 7 | 7 | 6 | 5 | 7 | 6 | 3 | 2 |
| Feels °C (?) | 2 | -1 | 1 | 4 | 5 | 9 | 13 | 14 | 11 | 3 | 2 | 1 | 2 | 3 | 4 | 1 | 1 | 4 | 2 | 0 | 5 | 3 | -2 | -3 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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.
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