Grim Ness surf forecast from 11 Jul 2026:
- Most powerful swell: Friday 17 Jul, 1AM (local time) - 3ft (0.9m), 4s period, SE swell with 28 kJ wave energy.
Best Forecast Surf Conditions for Grim Ness this week:
The most powerful waves expected at Grim Ness in the next 16 days are 0.9m 4s and forecast to arrive on Friday (Jul 17) at 1AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 4s period and expected on Saturday (Jul 18) at 4PM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 1AM (Fri 17th Jul) | 3ft (0.9m) 4s |
Table - best surf conditions forecast for Grim Ness 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)
