Castlerock surf forecast from 6 Oct 2026:
- Best quality surf: Thursday 8 Oct, 10AM (local time) - 5ft (1.5m), 11s period, NW swell with cross-offshore winds.
- Most powerful swell: Saturday 10 Oct, 10AM (local time) - 11ft (3.5m), 13s period, NW swell with 4,549 kJ wave energy.
- Next surfable swell (1★+): Tuesday 6 Oct, 10PM (local time) - 4ft (1.2m), 10s period with NW swell.
Best Forecast Surf Conditions for Castlerock this week:
The surf forecast for Castlerock over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Oct 06) at 10PM. The primary swell is predicted to be 1.2m and 10s period. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Castlerock in the next 16 days are 3.5m 13s and forecast to arrive on Saturday (Oct 10) at 10AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.1m 5s period and expected on Monday (Oct 12) at 4PM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 10PM (Tue 6th Oct) | 4ft (1.2m) 10s |
| Best Surf | 10AM (Thu 8th Oct) | 5ft (1.5m) 11s |
| Most Powerful | 10AM (Sat 10th Oct) | 11ft (3.5m) 13s |
Table - best surf conditions forecast for Castlerock 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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