Ballycastle surf forecast from 23 Aug 2026:
- Best quality surf: Monday 24 Aug, 7AM (local time) - 3.5ft (1.1m), 12s period, NW swell with offshore winds.
- Most powerful swell: Sunday 30 Aug, 1AM (local time) - 5ft (1.5m), 9s period, NW swell with 343 kJ wave energy.
- Next surfable swell (1★+): Monday 24 Aug, 1AM (local time) - 2ft (0.6m), 11s period with NW swell.
Best Forecast Surf Conditions for Ballycastle this week:
The surf forecast for Ballycastle over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Aug 24) at 1AM. The primary swell is predicted to be 0.6m and 11s period with a secondary swell of 0.5m and 7s. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Ballycastle in the next 16 days are 1.5m 9s and forecast to arrive on Sunday (Aug 30) at 1AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 4s period and expected on Wednesday (Aug 26) at 1AM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 1AM (Mon 24th Aug) | 2ft (0.6m) 11s |
| Best Surf | 7AM (Mon 24th Aug) | 3.5ft (1.1m) 12s |
| Most Powerful | 1AM (Sun 30th Aug) | 5ft (1.5m) 9s |
Table - best surf conditions forecast for Ballycastle 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)
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