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Castlerock Surf Forecast
/ Londonderry (4 surf breaks) /
Surf Forecasts:
Castlerock surfForecast / Londonderry / Ireland
48hr Weather and Surf, issued 6 am Tuesday 14 Oct 2025 BST
How big are the waves at Castlerock today?
The current surf forecast for Castlerock at 1PM is: 0.4m 11s primary swell from a Northwest direction and 0.2m 14s secondary swell from a West-northwest direction (forecast issued at 06:00am October 14). The wind direction is predicted to be glassy.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 Oct) | 1.5ft (0.4m) | 11s |
| Afternoon (14 Oct) | 1.5ft (0.4m) | 10s |
| Evening (14 Oct) | 0.5ft (0.2m) | 13s |
Table - waves today at Castlerock. (Swell directed towards the surf break)
Tuesday 14 | Wednesday 15 | Thursday 16 | Fri 17 | |||||||||||||||||||||
| 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 12 | 11 | 11 | 11 | 10 | 13 | 12 | 12 | 12 | 11 | 11 | 11 | 16 | 14 | 14 | 13 | 12 | 12 | 11 | 11 | 10 | 10 | 10 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 53 | 31 | 30 | 29 | 26 | 17 | 15 | 14 | 11 | 9 | 9 | 9 | 5 | 8 | 7 | 17 | 14 | 14 | 10 | 9 | 2 | 2 | 2 | 2 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | glass | glass | glass | on | on | on | on | on | glass | glass | glass | on | glass | glass | glass | glass | glass | glass | glass | glass | glass | glass | cross- off |
High Tide / height (m) | 1:06PM 1.35 | 2:25AM 1.02 | 3:05PM 1.44 | 3:49AM 1.12 | 4:08PM 1.58 | |||||||||||||||||||
Low Tide / height (m) | 6:13AM 0.64 | 8:30PM 0.62 | 8:10AM 0.63 | 10:02PM 0.52 | 9:35AM 0.52 | 10:54PM 0.40 | ||||||||||||||||||
Tuesday 14 | Wednesday 15 | Thursday 16 | Fri 17 | |||||||||||||||||||||
| Sunrise | - | - | 7:52 | - | - | - | - | - | - | - | 7:54 | - | - | - | - | - | - | - | 7:56 | - | - | - | - | - |
| Sunset | - | - | - | - | 6:30 | - | - | - | - | - | - | - | 6:29 | - | - | - | - | - | - | - | 6:25 | - | - | - |
 | |  | | | | | | | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 9 | 9 | 8 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 11 | 12 | 12 | 11 | 11 |
| Feels °C (?) | 8 | 8 | 7 | 9 | 8 | 9 | 8 | 8 | 9 | 8 | 8 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 11 | 11 | 11 | 10 | 10 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Recent Eyeball Surf Reports for Londonderry
Continuing clean conditions at Castlerock (calm at Magilligan Number 2 11 km from Castlerock). 0.5m 11s groundswell from the NW with a 0.4m 14s groundswell, also from the NW. 2 swells combining to make bigger set waves.
Actual: 56 min ago
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