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The Knap Surf Forecast
/ Wales – South East (14 surf breaks) /
Surf Forecasts:
The Knap surfForecast / Wales – South East / UK
48hr Weather and Surf, issued 6 pm Thursday 23 Oct 2025 BST
How big are the waves at The Knap today?
The current surf forecast for The Knap at 8PM is: 0.8m 8s primary swell from a West direction (forecast issued at 06:00pm October 23). The wind direction is predicted to be cross-shore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 Oct) | - | - |
| Afternoon (23 Oct) | 3ft (0.9m) | 6s |
| Evening (23 Oct) | 2.5ft (0.8m) | 8s |
Table - waves today at The Knap. (Swell directed towards the surf break)
Thursday 23 | Friday 24 | Saturday 25 | Sunday 26 | |||||||||||||||||||||
| 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 | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 7 | 8 | 8 | 8 | 8 | 7 | 8 | 9 | 9 | 10 | 10 | 9 | 9 | 9 | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 6 | 7 | 6 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 64 | 95 | 74 | 55 | 71 | 54 | 86 | 153 | 212 | 194 | 121 | 83 | 56 | 54 | 41 | 27 | 0 | 0 | 25 | 22 | 22 | 20 | 26 | 31 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross | cross | cross | cross | cross | cross- on | cross- on | cross- on | cross- on | cross- off | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross | cross- off | cross- off | cross | cross |
High Tide / height (m) | 8:43PM 11.18 | 8:58AM 11.13 | 9:13PM 10.90 | 9:28AM 10.82 | 9:44PM 10.45 | 10:00AM 10.36 | ||||||||||||||||||
Low Tide / height (m) | 2:29PM 1.21 | 2:43AM 1.22 | 2:59PM 1.36 | 3:13AM 1.48 | 3:31PM 1.70 | 3:45AM 1.93 | ||||||||||||||||||
Thursday 23 | Friday 24 | Saturday 25 | Sunday 26 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | 7:50 | - | - | - | - | - | - | - | 7:52 | - | - | - | - | - | - | - | 7:54 | - |
| Sunset | 6:04 | - | - | - | - | - | - | - | 6:01 | - | - | - | - | - | - | - | 6:00 | - | - | - | - | - | - | - |
 |  |  | |  | |  | | |  | |  | | |  |  | | | | | | |  | | |
Rain (mm) | 3 | - | - | - | 1 | 1 | 1 | 1 | 1 | 2 | 1 | - | - | 1 | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 10 | 10 | 9 | 9 | 9 | 10 | 11 | 12 | 12 | 11 | 10 | 9 | 9 | 10 | 10 | 11 | 10 | 9 | 9 | 10 | 9 | 9 | 10 | 10 |
| Feels °C (?) | 1 | 1 | 1 | 2 | 2 | 2 | 3 | 3 | 3 | 4 | 5 | 5 | 5 | 4 | 3 | 4 | 2 | 2 | 2 | 2 | 3 | 2 | 3 | 4 |
- 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 Wales - South East
Still cross-shore at The Knap (moderate winds from the WNW at Cardiff-Wales Airport 4 km from The Knap). A 1.6m windswell from the WNW
2 h 2 min ago
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 The Knap 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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