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Castlerock Surf Forecast
/ Londonderry (4 surf breaks) /
Castlerock surfForecast / Londonderry / Ireland
48hr Weather and Surf, issued 12 pm Monday 14 Jul 2025 BST
How big are the waves at Castlerock today?
The current surf forecast for Castlerock at 5PM is: 1ft 8s primary swell from a West-northwest direction (forecast issued at 12:00pm July 14). An open ocean swell of 1ft 4s is not directed at the surf break, a second open ocean swell of 1ft 3s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 Jul) | 1.5ft (0.4m) | 9s |
| Afternoon (14 Jul) | 0.5ft (0.2m) | 9s |
| Evening (14 Jul) | 0.5ft (0.2m) | 8s |
Table - waves today at Castlerock. (Swell directed towards the surf break)
Monday 14 | Tuesday 15 | Wednesday 16 | Thursday 17 | Friday 18 | Saturday 19 | Sunday 20 | Monday 21 | |||||||||||||||||||||||||||||||||||||||||||||||||||||
| 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 | 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 | 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 | |
Rating (10 max) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Swell Height Map |    |    |    |    |    |    |    |    | ||||||||||||||||||||||||||||||||||||||||||||||||||||
| Wave Height (ft) & direction (?) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Period(s) (?) | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 4 | 4 | 9 | 4 | 8 | 4 | 9 | 8 | 9 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 5 | 6 | 6 | 6 | 5 | 9 | 9 | 8 | 8 | 11 | 11 | 10 | 10 | 10 | 10 | 9 | 9 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Energy (?) | 33 | 17 | 7 | 7 | 7 | 6 | 8 | 10 | 20 | 22 | 12 | 19 | 12 | 11 | 11 | 10 | 4 | 6 | 5 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 4 | 3 | 3 | 4 | 5 | 5 | 5 | 5 | 5 | 7 | 5 | 9 | 15 | 15 | 16 | 21 | 28 | 106 | 154 | 149 | 143 | 106 | 65 | 64 | 37 | 33 | 32 | 31 |
Wind (mph) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | off | off | off | off | off | cross- off | cross | cross- on | on | on | cross- on | cross- on | cross | cross- off | cross- off | glass | cross- on | cross- on | cross | cross- off | off | cross- off | cross- off | off | off | cross- off | off | cross- on | glass | cross- off | off | cross- off | cross- off | on | on | on | glass | glass | glass | glass | glass | cross- on | cross- on | cross- on | cross | cross | cross- off | cross | cross- on | cross- on | cross | cross- off | cross- off | off | cross- off | cross- off | cross- off | cross- off | cross- on |
High Tide / height (ft) | 8:55AM 4.99 | 9:29PM 6.04 | 9:35AM 4.82 | 10:10PM 5.94 | 10:19AM 4.59 | 10:54PM 5.68 | 11:09AM 4.33 | 11:47PM 5.32 | 12:12PM 4.1 | 12:54AM 4.92 | 1:35PM 4.04 | 2:18AM 4.63 | 3:05PM 4.23 | 3:41AM 4.59 | 4:20PM 4.69 | |||||||||||||||||||||||||||||||||||||||||||||
Low Tide / height (ft) | 3:10PM 0.46 | 4:05AM 1.08 | 3:46PM 0.59 | 4:47AM 1.21 | 4:26PM 0.82 | 5:34AM 1.35 | 5:15PM 1.15 | 6:29AM 1.54 | 6:17PM 1.48 | 7:34AM 1.67 | 7:40PM 1.71 | 8:52AM 1.71 | 9:19PM 1.71 | 10:10AM 1.57 | ||||||||||||||||||||||||||||||||||||||||||||||
Monday 14 | Tuesday 15 | Wednesday 16 | Thursday 17 | Friday 18 | Saturday 19 | Sunday 20 | Monday 21 | |||||||||||||||||||||||||||||||||||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 5:05 | - | - | - | - | - | - | - | 5:07 | - | - | - | - | - | - | - | 5:09 | - | - | - | - | - | - | - | 5:09 | - | - | - | - | - | - | - | 5:11 | - | - | - | - | - | - | - | 5:13 | - | - | - | - | - | - | - | 5:15 | - | - | - | - |
| Sunset | - | - | - | 9:59 | - | - | - | - | - | - | - | 9:58 | - | - | - | - | - | - | - | 9:57 | - | - | - | - | - | - | - | 9:55 | - | - | - | - | - | - | - | 9:53 | - | - | - | - | - | - | - | 9:52 | - | - | - | - | - | - | - | 9:52 | - | - | - | - | - | - | - | 9:50 |
 |  | | |  | |  |  | | | |  | | | | | | | | |  | |  | | | | |  | | | |  | | | | | | |  | | | | | |  |  | | | | | | | | | | | | | | | |
Rain (in) | 0.0 | - | - | - | - | - | - | 0.1 | 0.2 | 0.0 | 0.0 | - | - | - | - | - | - | - | - | - | - | - | 0.0 | 0.1 | 0.0 | - | - | 0.1 | 0.1 | 0.0 | - | - | - | - | - | - | - | 0.0 | 0.0 | - | - | - | 0.0 | 0.1 | 0.4 | 0.4 | 0.3 | 0.1 | 0.0 | - | - | - | - | - | - | - | 0.1 | 0.1 | - | - |
| Temp. °F | 63 | 64 | 64 | 63 | 57 | 54 | 54 | 54 | 55 | 55 | 55 | 59 | 57 | 55 | 54 | 54 | 59 | 61 | 63 | 66 | 63 | 61 | 57 | 55 | 57 | 61 | 63 | 64 | 61 | 59 | 59 | 59 | 61 | 63 | 63 | 59 | 59 | 57 | 55 | 55 | 57 | 59 | 59 | 59 | 52 | 52 | 52 | 54 | 55 | 59 | 61 | 59 | 57 | 55 | 52 | 54 | 54 | 55 | 57 | 57 |
| Feels °F (?) | 57 | 55 | 55 | 57 | 52 | 48 | 48 | 46 | 48 | 48 | 50 | 54 | 54 | 52 | 50 | 52 | 59 | 59 | 59 | 64 | 61 | 57 | 54 | 50 | 54 | 59 | 61 | 63 | 61 | 59 | 57 | 55 | 57 | 61 | 59 | 57 | 57 | 57 | 55 | 55 | 57 | 59 | 57 | 55 | 43 | 46 | 43 | 46 | 46 | 50 | 52 | 50 | 50 | 50 | 46 | 48 | 48 | 52 | 55 | 52 |
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Live Wave Height (ft)
Live Wind Speed (mph)
Surf Rating (10 Max)
Ocean Swells (ft)- Wind Speed (mph)
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.
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