Grand Marias surf forecast from 27 Oct 2026:
- Most powerful swell: Thursday 29 Oct, 8PM (local time) - 5ft (1.5m), 6s period, WNW swell with 169 kJ wave energy.
Best Forecast Surf Conditions for Grand Marias this week:
The most powerful waves expected at Grand Marias in the next 16 days are 1.5m 6s and forecast to arrive on Thursday (Oct 29) at 8PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.6m 6s period and expected on Tuesday (Oct 27) at 8PM.
| Wave Type | Time (EDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 8PM (Thu 29th Oct) | 5ft (1.5m) 6s |
Table - best surf conditions forecast for Grand Marias 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