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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 Thursday 07 May 2026 BSTForecast update in hr min s Forecast update imminent
Today's The Knap sea temperature is
12.1° C
(Which is 1.2°C warmer than normal for this time of year)| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (08 May) | - | - |
| Afternoon (08 May) | - | - |
| Evening (08 May) | 0.5ft (0.1m) | 14s |
Table - waves today at The Knap. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 5mm), mostly falling on Thu night. Very mild (max 17°C on Sat afternoon, min 8°C on Sat night). Winds increasing (calm on Thu night, strong winds from the NE by Sun morning). | ||||||||||||||||||||||||
Thu 7 | Friday 8 | Saturday 9 | Sun 10 | |||||||||||||||||||||
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 14 | W 13 | W 13 | W 13 | W 13 | W 12 | W 12 | W 12 | W 12 | — | NE 3 | NE 4 | NE 4 | NE 4 | NE 4 | |
0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 4 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-off | glassy | cross | cross-off | cross-off | cross-off | cross-on | cross-on | cross-on | cross | 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 | |
High Tide | 11:09PM9.47m | 11:32AM8.89m | 11:57PM8.94m | 12:28PM8.39m | 00:58AM8.53m | |||||||||||||||||||
Low Tide | 4:51PM2.87m | 5:20AM3.11m | 5:38PM3.43m | 6:14AM3.60m | 6:37PM3.90m | 7:23AM3.92m | ||||||||||||||||||
 |  |  |  |  | | | |  |  | | | | | | | | | | | | | | | |
 | — | — | — | — | 5:33 | — | — | — | — | — | — | — | 5:31 | — | — | — | — | — | — | — | 5:30 | — | — | — |
 | — | 8:44 | — | — | — | — | — | — | — | 8:45 | — | — | — | — | — | — | — | 8:47 | — | — | — | — | — | 8:49 |
1 | — | — | — | 2 | 1 | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 13 | 11 | 11 | 10 | 9 | 9 | 10 | 14 | 16 | 15 | 13 | 12 | 11 | 10 | 12 | 15 | 17 | 16 | 14 | 10 | 8 | 8 | 9 | 10 |
10 | 9 | 10 | 8 | 7 | 6 | 6 | 11 | 13 | 13 | 11 | 10 | 8 | 6 | 8 | 11 | 12 | 12 | 9 | 3 | 0 | 0 | 1 | 2 | |
Swell 1 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | W 14 | W 13 | W 13 | W 13 | W 13 | W 12 | W 12 | W 12 | W 12 | — | — | — | — | — | — |
 kJ | — | — | — | — | — | — | — | — | — | 4 | 4 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | — | — | — | — | — | — |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | NE 3 | NE 4 | NE 4 | NE 4 | NE 4 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 3 | 5 | 4 | 4 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 479 | 474 | 463 | 447 | 374 | 205 | 154 | 154 | 154 | 145 | 145 | 106 | 105 | 106 | 105 | 106 | 145 | 137 | 359 | 452 | 447 | 393 | 421 | 319 |
Best forecast wave conditions in Wales - South East | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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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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