Surf Forecasts:
How big are the waves at The Knap today (21 Aug):
- Morning surf: Morning surf (21 Aug, local time) - 0.5ft (0.2m), 6s period with W swell.
- Afternoon surf: Afternoon surf (21 Aug, local time) - 0.5ft (0.2m), 7s period with W swell.
- Evening surf: Evening surf (21 Aug, local time) - 0.5ft (0.2m), 6s period with W swell.
The current surf forecast for The Knap at 2PM is: 0.2m 8s primary swell from a West direction (forecast issued at 06:00am August 21). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Aug) | 0.5ft (0.2m) | 6s |
| Afternoon (21 Aug) | 0.5ft (0.2m) | 7s |
| Evening (21 Aug) | 0.5ft (0.2m) | 6s |
Table - waves today at The Knap. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 2mm), mostly falling on Fri morning. Warm (max 22°C on Sun afternoon, min 12°C on Fri night). Wind will be generally light. | |||||||||||||||||||||||
Friday 21 | Saturday 22 | Sunday 23 | |||||||||||||||||||||
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 9 | W 6 | W 6 | W 8 | W 7 | W 6 | W 6 | W 5 | W 5 | W 8 | W 8 | W 10 | W 9 | W 9 | W 9 | W 9 | W 9 | W 9 | W 9 | W 9 | W 9 | W 8 | W 8 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 6 | 3 | 3 | 6 | 4 | 3 | 2 | 2 | 2 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | glassy | cross-on | cross-on | cross | off | off | cross-off | cross-off | cross-off | glassy | cross-on | cross-off | cross-off | off | off | cross-off | cross-off | glassy | glassy | glassy | cross-on |
High Tide | 1:25PM8.30m | 1:59AM7.94m | 2:47PM7.84m | 3:36AM7.65m | 4:22PM7.94m | ||||||||||||||||||
Low Tide | 6:57AM3.70m | 7:29PM4.09m | 8:04AM4.30m | 8:53PM4.52m | 9:38AM4.51m | ||||||||||||||||||
 |  | |  |  |  |  |  | | | | | | | | | | | | | | | | |
 | 6:07 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — |
 | — | — | — | — | — | 8:23 | — | — | — | — | — | — | — | 8:22 | — | — | — | — | — | — | — | 8:20 | — |
mm | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 13 | 13 | 15 | 16 | 17 | 18 | 17 | 14 | 13 | 12 | 14 | 17 | 19 | 19 | 18 | 15 | 13 | 13 | 15 | 19 | 22 | 22 | 19 |
Feels °C | 12 | 11 | 14 | 15 | 15 | 15 | 15 | 9 | 10 | 9 | 11 | 15 | 15 | 15 | 16 | 12 | 10 | 10 | 13 | 17 | 20 | 19 | 17 |
Swell 1 Height (m) Direction Period (s) | W 6 | W 6 | W 6 | W 8 | W 7 | W 6 | W 6 | W 5 | W 5 | — | W 8 | W 10 | W 9 | W 9 | W 9 | W 9 | W 9 | W 9 | W 9 | W 9 | W 9 | W 8 | W 8 |
| kJ | 6 | 3 | 3 | 6 | 4 | 3 | 2 | 2 | 2 | — | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 |
Swell 2 Height (m) Direction Period (s) | W 9 | W 9 | W 9 | — | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 6 | 2 | 2 | — | 1 | 1 | 1 | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 14 | 22 | 53 | 71 | 369 | 32 | 74 | 204 | 96 | 72 | 65 | 72 | 220 | 360 | 159 | 73 | 72 | 105 | 108 | 185 | 170 | 154 | 73 |
Best forecast wave conditions in Wales - South East | |||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||||
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