Surf Forecasts:
How big are the waves at The Knap today (12 Aug):
- Morning surf: Morning surf (12 Aug, local time) - 0.5ft (0.1m), 10s period with W swell.
- Afternoon surf: Afternoon surf (12 Aug, local time) - 0.5ft (0.2m), 10s period with W swell.
- Evening surf: Evening surf (12 Aug, local time) - 0.5ft (0.2m), 9s period with W swell.
The current surf forecast for The Knap at 6AM is: 0.1m 11s primary swell from a West direction and 0.1m 7s secondary swell from a West direction (forecast issued at 12:00am August 12). The wind direction is predicted to be cross-offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Aug) | 0.5ft (0.1m) | 10s |
| Afternoon (12 Aug) | 0.5ft (0.2m) | 10s |
| Evening (12 Aug) | 0.5ft (0.2m) | 9s |
Table - waves today at The Knap. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 33°C on Wed afternoon, min 17°C on Tue night). Winds increasing (calm on Wed night, fresh winds from the W by Thu afternoon). | ||||||||||||||||||||||||
Wednesday 12 | Thursday 13 | Friday 14 | ||||||||||||||||||||||
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 | |
Swell Height Map |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | W 12 | W 11 | W 11 | W 10 | W 10 | W 10 | W 9 | W 9 | W 9 | W 9 | W 9 | W 11 | W 11 | W 10 | W 10 | W 10 | W 10 | W 10 | W 9 | W 9 | W 9 | W 9 | W 9 | W 8 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 3 | 2 | 2 | 2 | 8 | 7 | 7 | 6 | 6 | 6 | 7 | 9 | 9 | 18 | 31 | 8 | 8 | 7 | 7 | 15 | 6 | 6 | 6 | 6 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-off | cross-off | cross-off | cross-off | cross-on | on | cross | glassy | glassy | glassy | glassy | cross-on | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross-off |
High Tide | 7:08AM10.63m | 7:31PM11.34m | 7:55AM11.24m | 8:15PM11.88m | 8:37AM11.62m | 8:56PM12.15m | ||||||||||||||||||
Low Tide | 1:04AM1.92m | 1:22PM1.72m | 1:50AM1.26m | 2:05PM1.16m | 2:31AM0.81m | 2:45PM0.82m | ||||||||||||||||||
 | |  | | | | | | | | | |  | | |  | | | | | | |  | | |
 | — | 5:52 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:56 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 8:42 | — | — | — | — | — | — | — | 8:39 | — | — | — | — | — | — | — | 8:37 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 19 | 17 | 17 | 21 | 28 | 33 | 32 | 28 | 25 | 23 | 22 | 25 | 28 | 27 | 23 | 20 | 19 | 18 | 17 | 20 | 23 | 22 | 22 | 20 |
Feels °C | 16 | 14 | 14 | 18 | 26 | 30 | 29 | 27 | 25 | 23 | 21 | 24 | 25 | 22 | 19 | 18 | 18 | 17 | 16 | 18 | 20 | 19 | 20 | 19 |
Swell 1 Height (m) Direction Period (s) | W 12 | W 11 | W 11 | W 10 | W 10 | W 10 | W 9 | W 9 | W 9 | W 9 | W 9 | W 11 | W 11 | — | — | W 10 | W 10 | W 10 | W 9 | — | W 9 | W 9 | W 9 | W 8 |
| kJ | 3 | 2 | 2 | 2 | 8 | 7 | 7 | 6 | 6 | 6 | 7 | 9 | 9 | — | — | 8 | 8 | 7 | 7 | — | 6 | 6 | 6 | 6 |
Swell 2 Height (m) Direction Period (s) | W 8 | W 7 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | W 10 | W 10 | W 4 | W 4 | W 4 | — | W 9 | W 3 | W 3 | W 3 | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | 18 | 31 | 3 | 1 | 1 | — | 15 | 1 | 1 | 1 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 72 | 68 | 68 | 68 | 68 | 74 | 71 | 53 | 32 | 22 | 22 | 14 | 115 | 353 | 353 | 53 | 53 | 53 | 56 | 53 | 95 | 78 | 71 | 53 |
Best forecast wave conditions in Wales - South East | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Latest Updates
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.
Nearest