Ostional surf forecast from 22 Aug 2026:
- Best quality surf: Friday 28 Aug, 6AM (local time) - 2.5ft (0.7m), 16s period, SW swell with offshore winds.
- Most powerful swell: Saturday 29 Aug, 3PM (local time) - 4.5ft (1.3m), 16s period, SW swell with 909 kJ wave energy.
- Next surfable swell (1★+): Friday 28 Aug, 6AM (local time) - 2.5ft (0.7m), 16s period with SW swell.
Best Forecast Surf Conditions for Ostional this week:
The surf forecast for Ostional over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Aug 28) at 6AM. The primary swell is predicted to be 0.7m and 16s period with a secondary swell of 0.9m and 7s. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Ostional in the next 16 days are 1.3m 16s and forecast to arrive on Saturday (Aug 29) at 3PM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.0m 4s period and expected on Sunday (Aug 23) at 3PM.
| Wave Type | Time (CST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 6AM (Fri 28th Aug) | 2.5ft (0.7m) 16s |
| Best Surf | 6AM (Fri 28th Aug) | 2.5ft (0.7m) 16s |
| Most Powerful | 3PM (Sat 29th Aug) | 4.5ft (1.3m) 16s |
Table - best surf conditions forecast for Ostional 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