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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 14 May 2026 BSTForecast update in hr min s Forecast update imminent
Today's The Knap sea temperature is
12.6° C
(Which is 1.4°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: 0.4m 6s primary swell from a West-northwest direction (forecast issued at 06:00pm May 14). The wind direction is predicted to be cross-offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 May) | - | - |
| Afternoon (15 May) | 1.5ft (0.5m) | 7s |
| Evening (15 May) | 1.5ft (0.4m) | 6s |
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 4mm), mostly falling on Thu afternoon. Very mild (max 12°C on Sat morning, min 6°C on Thu night). Mainly fresh winds. | ||||||||||||||||||||||||
Thu 14 | Friday 15 | Saturday 16 | Sun 17 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
WNW 7 | WNW 6 | WNW 6 | WNW 6 | WNW 6 | WNW 6 | W 6 | W 7 | WNW 4 | WNW 5 | WNW 5 | WNW 5 | WNW 5 | W 8 | W 8 | W 5 | W 7 | W 7 | W 5 | W 5 | W 5 | W 6 | W 6 | W 6 | |
26 | 24 | 14 | 13 | 7 | 7 | 3 | 1 | 0 | 0 | 0 | 5 | 2 | 1 | 1 | 2 | 4 | 4 | 2 | 5 | 5 | 6 | 7 | 7 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross | cross-off | cross-off | cross-off | cross | cross-on | cross-on | cross-on | cross | cross-on | cross-on | cross | cross | cross | cross | cross | |
High Tide | 5:54PM10.28m | 6:15AM10.79m | 6:39PM11.01m | 6:59AM11.37m | 7:23PM11.57m | 7:44AM11.73m | ||||||||||||||||||
Low Tide | 00:03AM2.03m | 12:27PM1.55m | 00:47AM1.41m | 1:09PM1.06m | 1:30AM0.96m | |||||||||||||||||||
 | |  | |  |  | |  | | | | | | |  | | |  | |  | | | | | |
 | — | — | — | — | 5:22 | — | — | — | — | — | — | — | 5:20 | — | — | — | — | — | — | — | 5:18 | — | — | — |
 | — | 8:54 | — | — | — | — | — | — | — | 8:57 | — | — | — | — | — | — | — | 8:58 | — | — | — | — | — | 9:00 |
2 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | |
Temp °C | 11 | 11 | 8 | 7 | 6 | 7 | 10 | 10 | 11 | 11 | 7 | 6 | 7 | 8 | 10 | 12 | 11 | 12 | 11 | 10 | 9 | 9 | 11 | 11 |
4 | 5 | 4 | 3 | 2 | 4 | 6 | 3 | 3 | 4 | 1 | 1 | 4 | 5 | 5 | 8 | 6 | 8 | 7 | 6 | 6 | 6 | 7 | 5 | |
Swell 1 Height (m) Direction Period (s) | — | WNW 6 | WNW 6 | WNW 6 | WNW 6 | WNW 6 | W 6 | W 7 | — | — | — | WNW 5 | WNW 5 | — | W 8 | W 7 | — | W 7 | W 7 | — | W 5 | W 6 | W 6 | W 12 |
 kJ | — | 24 | 14 | 13 | 7 | 7 | 3 | 1 | — | — | — | 5 | 2 | — | 1 | 1 | — | 4 | 1 | — | 5 | 6 | 7 | 3 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | W 9 | W 9 | W 8 | — | — | — | — | W 8 | — | W 13 | W 13 | W 14 | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | 2 | 1 | 1 | — | — | — | — | 1 | — | 3 | 3 | 4 | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 12 | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 | — |
Wind waves Height (m) Direction Period (s) | WNW 7 | — | — | — | — | — | — | WNW 6 | WNW 4 | WNW 5 | WNW 5 | — | — | — | W 5 | W 5 | W 7 | — | W 5 | W 5 | — | — | — | W 6 |
| kJ | 26 | — | — | — | — | — | — | 3 | 8 | 9 | 9 | — | — | — | 1 | 2 | 4 | — | 2 | 5 | — | — | — | 7 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 977 | 132 | 14 | 216 | 360 | 207 | 369 | 409 | 369 | 225 | 320 | 165 | 202 | 202 | 320 | 323 | 301 | 301 | 301 | 53 | 53 | 53 | 325 | |
Best forecast wave conditions in Wales - South East | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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