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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 12 am Saturday 18 Apr 2026 BSTForecast update in hr min s Forecast update imminent
Today's The Knap sea temperature is
10.8° C
(Which is 1.0°C warmer than normal for this time of year)How big are the waves at The Knap today?
The current surf forecast for The Knap at 9AM is: 0.5m 11s primary swell from a West direction (forecast issued at 12:00am April 18). The wind direction is predicted to be cross-shore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Apr) | 1.5ft (0.5m) | 11s |
| Afternoon (18 Apr) | 1.5ft (0.5m) | 11s |
| Evening (18 Apr) | 1.5ft (0.5m) | 10s |
Table - waves today at The Knap. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 18 | Sunday 19 | Monday 20 | ||||||||||||||||||||||
| 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 (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 9 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 71 | 70 | 64 | 61 | 59 | 56 | 55 | 54 | 34 | 32 | 31 | 17 | 16 | 16 | 8 | 8 | 8 | 8 | 7 | 7 | 2 | 2 | 2 | 2 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | cross | cross | cross | cross- off | cross | cross- off | cross- off | off | cross- off | cross- off | glass | cross- on | glass | glass | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 7:49PM 11.82 | 8:08AM 12.14 | 8:28PM 12.15 | 8:47AM 12.24 | 9:07PM 12.15 | 9:28AM 11.99 | ||||||||||||||||||
Low Tide / height (m) | 1:56AM 0.63 | 2:16PM 0.42 | 2:34AM 0.41 | 2:53PM 0.39 | 3:12AM 0.50 | 3:31PM 0.68 | ||||||||||||||||||
Saturday 18 | Sunday 19 | Monday 20 | ||||||||||||||||||||||
| Sunrise | - | - | - | 6:11 | - | - | - | - | - | - | - | 6:09 | - | - | - | - | - | - | - | 6:07 | - | - | - | - |
| Sunset | - | - | - | - | - | - | - | 8:13 | - | - | - | - | - | - | - | 8:15 | - | - | - | - | - | - | - | 8:16 |
 |  | |  |  | | | | | | | | | | |  | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 10 | 9 | 9 | 9 | 10 | 10 | 11 | 12 | 10 | 9 | 9 | 7 | 8 | 11 | 12 | 12 | 12 | 9 | 7 | 6 | 7 | 10 | 11 | 11 |
| Feels °C (?) | 6 | 5 | 5 | 4 | 5 | 4 | 6 | 7 | 6 | 6 | 6 | 4 | 5 | 9 | 9 | 10 | 10 | 5 | 3 | 2 | 3 | 7 | 7 | 9 |
- Map Icons:
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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 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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