Surf Forecasts:
How big are the waves at The Knap today (18 Oct):
- Morning surf: Morning surf (18 Oct, local time) - 0.5ft (0.2m), 11s period with W swell.
- Afternoon surf: Afternoon surf (18 Oct, local time) - 0.5ft (0.1m), 10s period with W swell.
- Evening surf: Evening surf (18 Oct, local time) - 0.5ft (0.1m), 10s period with W swell.
The current surf forecast for The Knap at 8PM is: 0.1m 10s primary swell from a West direction (forecast issued at 12:00pm October 18). An open ocean swell of 0.2m 3s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Oct) | 0.5ft (0.2m) | 11s |
| Afternoon (18 Oct) | 0.5ft (0.1m) | 10s |
| Evening (18 Oct) | 0.5ft (0.1m) | 10s |
Table - waves today at The Knap. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 24mm), heaviest during Tue night. Very mild (max 14°C on Mon afternoon, min 8°C on Sun night). Winds increasing (light winds from the ESE on Mon night, strong winds from the WNW by Tue night). | |||||||||||||||||||||
Sun 18 | Monday 19 | Tuesday 20 | |||||||||||||||||||
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 11 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 18 | W 16 | W 16 | W 15 | W 14 | W 13 | W 13 | W 13 | W 13 | W 12 | W 12 | W 12 | W 12 |
Wave Graph  | |||||||||||||||||||||
 kJ | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 6 | 5 | 5 | 4 | 16 | 14 | 14 | 13 | 12 | 11 | 3 | 3 | 3 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross-off | off | off | off | off | off | cross-off | cross-off | cross | cross | cross | cross | off | off | cross-off | cross-off | cross | cross | cross-on | cross-on |
High Tide | 12:00PM8.53m | 00:33AM7.92m | 1:11PM7.95m | 2:05AM7.54m | 2:52PM7.85m | ||||||||||||||||
Low Tide | 6:15PM3.99m | 6:43AM4.34m | 7:39PM4.45m | 8:20AM4.62m | 9:21PM4.35m | ||||||||||||||||
 |  | |  | |  |  | |  | |  | | | | | |  | | | | | |
 | 7:41 | — | — | — | — | — | — | 7:41 | — | — | — | — | — | — | — | 7:43 | — | — | — | — | — |
 | — | — | 6:14 | — | — | — | — | — | — | — | 6:12 | — | — | — | — | — | — | — | 6:09 | — | — |
mm | — | — | — | — | — | — | 2 | 1 | 1 | — | — | — | — | — | 1 | 4 | 3 | 2 | — | — | — |
Temp °C | 10 | 12 | 13 | 12 | 10 | 9 | 8 | 9 | 10 | 13 | 14 | 13 | 11 | 9 | 9 | 9 | 9 | 10 | 12 | 11 | 10 |
Feels °C | 4 | 6 | 6 | 6 | 4 | 3 | 2 | 4 | 4 | 6 | 7 | 9 | 8 | 6 | 6 | 6 | 7 | 8 | 8 | 8 | 6 |
Swell 1 Height (m) Direction Period (s) | W 11 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 16 | W 15 | W 14 | W 13 | W 13 | W 13 | W 13 | W 12 | W 12 | W 9 | W 9 |
| kJ | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 5 | 4 | 16 | 14 | 14 | 13 | 12 | 11 | 3 | 2 | 2 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | W 16 | W 10 | W 12 | — | — | — | — | — | — | W 9 | W 12 | W 12 |
| kJ | — | — | — | — | — | — | — | — | — | 5 | 2 | 3 | — | — | — | — | — | — | 2 | 3 | 3 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | W 18 | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | 6 | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NNE 3 | NNE 3 | NNE 3 | NNE 3 | NNE 3 | NNE 3 | NNE 3 | NNE 3 | — | ESE 3 | ESE 3 | — | — | — | — | — | — | — | — | — | — |
| kJ | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 1 | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 65 | 125 | 209 | 208 | 204 | 204 | 204 | 74 | 72 | 131 | 139 | 68 | 14 | 14 | 14 | 14 | 35 | 53 | 153 | 128 | 229 |
Best forecast wave conditions in Wales - South East | |||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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