Surf Forecasts:
How big are the waves at The Knap today (30 Aug):
- Morning surf: Morning surf (30 Aug, local time) - 1.5ft (0.4m), 9s period with W swell.
- Afternoon surf: Afternoon surf (30 Aug, local time) - 1.5ft (0.4m), 9s period with WSW swell.
- Evening surf: Evening surf (30 Aug, local time) - 1.5ft (0.5m), 8s period with W swell.
The current surf forecast for The Knap at 5PM is: 0.4m 9s primary swell from a West-southwest direction (forecast issued at 12:00pm August 30). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Aug) | 1.5ft (0.4m) | 9s |
| Afternoon (30 Aug) | 1.5ft (0.4m) | 9s |
| Evening (30 Aug) | 1.5ft (0.5m) | 8s |
Table - waves today at The Knap. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 16mm), heaviest on Sun afternoon. Warm (max 21°C on Sun morning, min 15°C on Sun night). Mainly fresh winds. | |||||||||||||||||||||
Sun 30 | Monday 31 | Tuesday 1 | |||||||||||||||||||
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 9 | W 9 | WSW 9 | W 8 | W 8 | W 9 | W 9 | W 9 | W 9 | W 9 | W 10 | W 9 | W 10 | W 10 | W 10 | W 9 | W 9 | W 9 | W 9 | W 9 | W 8 |
Wave Graph  | |||||||||||||||||||||
 kJ | 24 | 14 | 30 | 35 | 35 | 39 | 57 | 79 | 81 | 61 | 89 | 62 | 45 | 29 | 29 | 15 | 14 | 14 | 14 | 13 | 12 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | cross-on | cross-on | on | cross-on | cross | cross | cross | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross-on |
High Tide | 8:58AM11.48m | 9:14PM11.84m | 9:32AM11.57m | 9:48PM11.78m | 10:06AM11.41m | ||||||||||||||||
Low Tide | 3:04PM0.87m | 3:23AM0.79m | 3:35PM0.86m | 3:54AM0.90m | 4:08PM1.07m | ||||||||||||||||
 |  | | |  | |  |  | | |  | |  | | | | | | | | | |
 | 6:20 | — | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — |
 | — | — | — | 8:05 | — | — | — | — | — | — | — | 8:01 | — | — | — | — | — | — | — | 8:00 | — |
mm | — | 1 | 5 | 5 | 3 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 19 | 21 | 17 | 17 | 15 | 16 | 15 | 15 | 15 | 16 | 16 | 16 | 15 | 15 | 15 | 15 | 16 | 18 | 18 | 17 | 16 |
Feels °C | 16 | 17 | 14 | 14 | 11 | 11 | 10 | 10 | 11 | 10 | 11 | 12 | 12 | 12 | 13 | 13 | 13 | 15 | 13 | 14 | 14 |
Swell 1 Height (m) Direction Period (s) | W 9 | W 9 | — | — | — | — | — | — | — | — | — | — | W 10 | W 10 | W 10 | W 9 | W 9 | — | — | — | W 8 |
| kJ | 24 | 14 | — | — | — | — | — | — | — | — | — | — | 45 | 29 | 29 | 15 | 14 | — | — | — | 12 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | WSW 9 | W 8 | W 8 | W 9 | W 9 | W 9 | W 9 | W 9 | W 10 | W 9 | — | — | — | — | — | W 9 | W 9 | W 9 | — |
| kJ | — | — | 30 | 35 | 35 | 39 | 57 | 79 | 81 | 61 | 89 | 62 | — | — | — | — | — | 14 | 14 | 13 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 228 | 474 | 210 | 229 | 117 | 103 | 662 | 796 | 353 | 78 | 103 | 135 | 124 | 85 | 85 | 53 | 128 | 202 | 202 | 208 | 139 |
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)
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