Ontonagon surf forecast from 13 Oct 2026:
- Most powerful swell: Friday 16 Oct, 8AM (local time) - 10ft (3.0m), 7s period, NW swell with 952 kJ wave energy.
Best Forecast Surf Conditions for Ontonagon this week:
The most powerful waves expected at Ontonagon in the next 16 days are 3.0m 7s and forecast to arrive on Friday (Oct 16) at 8AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 3.0m 8s period and expected on Sunday (Oct 18) at 8AM.
| Wave Type | Time (EDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 8AM (Fri 16th Oct) | 10ft (3.0m) 7s |
Table - best surf conditions forecast for Ontonagon over the next 16 days.
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Nearest