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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 6 pm Wednesday 29 Apr 2026 BSTForecast update in hr min s Forecast update imminent
Today's The Knap sea temperature is
12.2° C
(Which is 1.8°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 10PM is: 0.2m 12s primary swell from a West direction (forecast issued at 06:00pm April 29). An open ocean swell of 0.3m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (29 Apr) | - | - |
| Afternoon (29 Apr) | 0.5ft (0.2m) | 12s |
| Evening (29 Apr) | 0.5ft (0.2m) | 12s |
Table - waves today at The Knap. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Very mild (max 16°C on Wed afternoon, min 9°C on Wed night). Winds decreasing (fresh winds from the ENE on Wed afternoon, calm by Fri morning). | ||||||||||||||||||||||||
Wed 29 | Thursday 30 | Friday 1 | Sat 2 | |||||||||||||||||||||
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 | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
W 12 | W 12 | W 12 | W 12 | W 11 | W 11 | W 11 | W 11 | W 11 | W 11 | W 11 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 11 | W 11 | W 11 | W 10 | W 10 | W 10 | W 10 | |
11 | 11 | 11 | 11 | 10 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | glassy | cross | cross | cross | cross-on | on | glassy | cross-on | cross-on | |
High Tide | 6:33PM10.28m | 6:50AM10.67m | 7:10PM10.73m | 7:26AM10.96m | 7:44PM11.02m | 7:59AM11.08m | ||||||||||||||||||
Low Tide | 00:42AM2.15m | 1:01PM1.80m | 1:15AM1.76m | 1:31PM1.52m | 1:46AM1.50m | |||||||||||||||||||
 |  |  | | |  | | | | | | |  | | | | | | |  | | | | | |
 | — | — | — | — | 5:48 | — | — | — | — | — | — | — | 5:46 | — | — | — | — | — | — | — | 5:43 | — | — | — |
 | — | 8:30 | — | — | — | — | — | — | — | 8:32 | — | — | — | — | — | — | — | 8:35 | — | — | — | — | — | 8:36 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 16 | 14 | 11 | 10 | 9 | 9 | 12 | 16 | 16 | 14 | 13 | 11 | 9 | 9 | 12 | 14 | 15 | 14 | 12 | 11 | 10 | 10 | 12 | 14 |
8 | 6 | 3 | 2 | 1 | 2 | 5 | 9 | 10 | 9 | 9 | 7 | 5 | 5 | 9 | 14 | 14 | 11 | 9 | 10 | 8 | 8 | 10 | 12 | |
Swell 1 Height (m) Direction Period (s) | W 12 | W 12 | W 12 | W 12 | W 11 | W 11 | W 11 | W 11 | W 11 | W 11 | W 11 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 11 | W 11 | W 11 | W 10 | W 10 | W 10 | W 7 |
 kJ | 11 | 11 | 11 | 11 | 10 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 10 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | ENE 4 | ENE 3 | ENE 3 | ENE 3 | ENE 3 | E 3 | E 3 | ESE 3 | ESE 3 | ESE 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 2 | 2 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 365 | 352 | 359 | 334 | 311 | 295 | 300 | 252 | 219 | 69 | 68 | 72 | 72 | 72 | 72 | 73 | 202 | 165 | 69 | 137 | 137 | 69 | 137 | 161 |
Best forecast wave conditions in Wales - South East | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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