Ostional surf forecast from 31 Aug 2026:
- Best quality surf: Thursday 3 Sep, 9PM (local time) - 4ft (1.2m), 18s period, SW swell with offshore winds.
- Most powerful swell: Friday 4 Sep, 12PM (local time) - 5ft (1.6m), 17s period, SW swell with 1,555 kJ wave energy.
- Next surfable swell (1★+): Monday 31 Aug, 9PM (local time) - 3.5ft (1.1m), 13s 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 Monday (Aug 31) at 9PM. The primary swell is predicted to be 1.1m and 13s period. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Ostional in the next 16 days are 1.6m 17s and forecast to arrive on Friday (Sep 04) at 12PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 6s period and expected on Tuesday (Sep 01) at 9PM.
| Wave Type | Time (CST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 9PM (Mon 31st Aug) | 3.5ft (1.1m) 13s |
| Best Surf | 9PM (Thu 3rd Sep) | 4ft (1.2m) 18s |
| Most Powerful | 12PM (Fri 4th Sep) | 5ft (1.6m) 17s |
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)
