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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 Monday 27 Apr 2026 BSTForecast update in hr min s Forecast update imminent
Today's The Knap sea temperature is
11.8° C
(Which is 1.5°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 12AM is: 0.1m 8s primary swell from a West direction (forecast issued at 06:00pm April 27). The wind direction is predicted to be offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (28 Apr) | 0.5ft (0.1m) | 10s |
| Afternoon (28 Apr) | 0.5ft (0.1m) | 14s |
| Evening (28 Apr) | 0.5ft (0.1m) | 13s |
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 17°C on Mon afternoon, min 6°C on Tue night). Winds increasing (light winds from the NNE on Mon afternoon, strong winds from the ENE by Wed afternoon). | ||||||||||||||||||||||||
Mon 27 | Tuesday 28 | Wednesday 29 | Thu 30 | |||||||||||||||||||||
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 8 | W 8 | W 8 | W 8 | W 8 | W 11 | W 10 | W 15 | W 14 | W 14 | W 13 | W 13 | W 13 | W 12 | W 12 | W 12 | W 12 | W 12 | W 12 | W 12 | W 11 | W 11 | W 11 | W 11 | |
1 | 1 | 1 | 1 | 1 | 2 | 2 | 4 | 4 | 4 | 3 | 3 | 12 | 12 | 11 | 12 | 11 | 11 | 11 | 11 | 2 | 2 | 2 | 2 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | off | off | cross-off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | |
High Tide | 5:00PM9.09m | 5:23AM9.68m | 5:51PM9.72m | 6:10AM10.23m | 6:33PM10.28m | 6:50AM10.67m | ||||||||||||||||||
Low Tide | 11:17PM3.23m | 11:47AM2.70m | 00:04AM2.66m | 12:27PM2.21m | 00:42AM2.15m | |||||||||||||||||||
 | |  |  | | | | |  | | | | |  | | | | | | | | | | | |
 | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:50 | — | — | — | — | — | — | — | 5:48 | — | — | — |
 | — | 8:28 | — | — | — | — | — | — | — | 8:30 | — | — | — | — | — | — | — | 8:30 | — | — | — | — | — | 8:32 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 17 | 15 | 13 | 11 | 9 | 7 | 9 | 10 | 13 | 12 | 9 | 7 | 6 | 6 | 10 | 14 | 16 | 13 | 12 | 11 | 10 | 9 | 11 | 14 |
15 | 13 | 8 | 7 | 4 | 0 | 3 | 3 | 7 | 5 | 1 | -2 | -3 | -3 | 1 | 5 | 8 | 5 | 3 | 2 | 2 | 1 | 4 | 7 | |
Swell 1 Height (m) Direction Period (s) | W 8 | W 8 | W 8 | W 8 | — | W 8 | W 8 | W 8 | W 14 | W 14 | W 13 | W 13 | W 13 | W 12 | W 12 | W 12 | W 12 | W 12 | W 12 | W 12 | W 11 | W 11 | W 11 | W 11 |
 kJ | 1 | 1 | 1 | 1 | — | 1 | 1 | 1 | 4 | 4 | 3 | 3 | 12 | 12 | 11 | 12 | 11 | 11 | 11 | 11 | 2 | 2 | 2 | 2 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | W 8 | — | W 10 | W 15 | W 7 | W 7 | W 7 | W 7 | W 9 | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | 1 | — | 2 | 4 | 1 | 1 | 1 | 1 | 2 | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | W 11 | — | W 10 | W 10 | W 9 | W 9 | W 9 | W 7 | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | 2 | — | 2 | 2 | 2 | 2 | 2 | 1 | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | NNE 3 | NNE 3 | NE 3 | NE 3 | NE 3 | NE 3 | NE 4 | NE 4 | NE 4 | NE 4 | ENE 4 | ENE 4 | ENE 4 | ENE 4 | ENE 4 | E 3 | E 3 | E 3 | ESE 3 |
| kJ | — | — | — | — | — | 1 | 1 | 2 | 2 | 2 | 2 | 3 | 4 | 5 | 4 | 5 | 5 | 3 | 2 | 2 | 2 | 2 | 2 | 2 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 187 | 387 | 352 | 67 | 73 | 125 | 361 | 394 | 135 | 55 | 125 | 358 | 358 | 358 | 365 | 318 | 365 | 334 | 334 | 327 | 300 | 295 | 295 | 219 |
Best forecast wave conditions in Wales - South East | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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