Ontonagon surf forecast from 11 Jul 2026:
- Most powerful swell: Tuesday 14 Jul, 11PM (local time) - 3ft (0.9m), 5s period, W swell with 38 kJ wave energy.
Best Forecast Surf Conditions for Ontonagon this week:
The most powerful waves expected at Ontonagon in the next 16 days are 0.9m 5s and forecast to arrive on Tuesday (Jul 14) at 11PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.7m 6s period and expected on Monday (Jul 13) at 8PM.
| Wave Type | Time (EDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 11PM (Tue 14th Jul) | 3ft (0.9m) 5s |
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