- Forecast
- Maps
- Live
- Weather State
- Spot Information
Castlerock Surf Forecast
/ Londonderry (4 surf breaks) /
Surf Forecasts:
Castlerock surfForecast / Londonderry / Ireland
48hr Weather and Surf, issued 5 pm Wednesday 05 Nov 2025 GMT
How big are the waves at Castlerock today?
The current surf forecast for Castlerock at 11PM is: 0.9m 14s primary swell from a West-northwest direction and 0.3m 6s secondary swell from a North-northwest direction (forecast issued at 05:00pm November 05). The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (05 Nov) | - | - |
| Afternoon (05 Nov) | 3.5ft (1.1m) | 14s |
| Evening (05 Nov) | 3.5ft (1.0m) | 14s |
Table - waves today at Castlerock. (Swell directed towards the surf break)
Wednesday 05 | Thursday 06 | Friday 07 | Saturday 08 | |||||||||||||||||||||
| 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 14 | 13 | 14 | 14 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 11 | 11 | 10 | 10 | 10 | 19 | 18 | 17 | 16 | 16 | 16 | 17 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 418 | 352 | 390 | 323 | 257 | 249 | 164 | 142 | 98 | 94 | 94 | 79 | 71 | 45 | 20 | 20 | 19 | 14 | 51 | 97 | 214 | 310 | 521 | 671 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | glass | cross- off | cross- off | cross- off | cross- off | cross- off | off | off | cross- off | off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off |
High Tide / height (m) | 5:34PM 2.01 | 5:55AM 1.86 | 6:16PM 1.95 | 6:35AM 1.90 | 6:58PM 1.81 | 7:18AM 1.87 | ||||||||||||||||||
Low Tide / height (m) | 11:57PM -0.00 | 12:08PM -0.01 | 12:33AM 0.04 | 12:56PM 0.02 | 1:11AM 0.12 | |||||||||||||||||||
Wednesday 05 | Thursday 06 | Friday 07 | Saturday 08 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | 7:39 | - | - | - | - | - | - | - | 7:41 | - | - | - | - | - | - | - | 7:43 | - |
| Sunset | 4:42 | - | - | - | - | - | - | - | 4:39 | - | - | - | - | - | - | - | 4:37 | - | - | - | - | - | - | - |
 |  |  | | | |  | |  | | | | | | | | | |  | |  | | |  | |
Rain (mm) | 5 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 3 | 2 | - |
| Temp. °C | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 15 | 14 | 12 | 12 | 12 | 12 | 12 | 13 | 13 | 12 | 11 | 11 | 11 | 11 | 10 | 11 |
| Feels °C (?) | 13 | 14 | 13 | 13 | 13 | 13 | 13 | 12 | 13 | 11 | 9 | 9 | 8 | 8 | 8 | 9 | 10 | 9 | 9 | 9 | 10 | 7 | 7 | 8 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Castlerock surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Nearest