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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 am Friday 15 May 2026 BSTForecast update in hr min s Forecast update imminent
Today's The Knap sea temperature is
12.5° C
(Which is 1.2°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 1PM is: 0.3m 4s primary swell from a West-northwest direction (forecast issued at 06:00am May 15). The wind direction is predicted to be cross-offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 May) | 0.5ft (0.2m) | 6s |
| Afternoon (15 May) | - | - |
| Evening (15 May) | - | - |
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 8mm), mostly falling on Sun night. Very mild (max 12°C on Sat afternoon, min 7°C on Fri night). Winds decreasing (fresh winds from the NW on Fri afternoon, light winds from the SW by Fri night). | ||||||||||||||||||||||||
Friday 15 | Saturday 16 | Sunday 17 | Mon 18 | |||||||||||||||||||||
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 | 4 PM | 7 PM | 10 PM | 1 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
WNW 6 | W 6 | W 6 | WNW 4 | WNW 4 | W 9 | WNW 5 | WNW 5 | WNW 5 | W 8 | W 8 | W 7 | W 5 | W 5 | W 5 | W 5 | W 5 | W 5 | W 7 | W 6 | W 12 | W 12 | W 12 | W 7 | |
7 | 6 | 3 | 2 | 0 | 2 | 0 | 5 | 2 | 1 | 1 | 1 | 2 | 2 | 2 | 5 | 5 | 5 | 8 | 7 | 12 | 11 | 11 | 22 | |
Wind (km/h) | ||||||||||||||||||||||||
off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | on | on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | |
High Tide | 6:15AM10.79m | 6:39PM11.01m | 6:59AM11.37m | 7:23PM11.57m | 7:44AM11.73m | 8:06PM11.90m | ||||||||||||||||||
Low Tide | 12:27PM1.55m | 00:47AM1.41m | 1:09PM1.06m | 1:30AM0.96m | 1:51PM0.78m | |||||||||||||||||||
 |  |  | | | | | |  |  | | | | |  |  | | | | | | | | | |
 | 5:22 | — | — | — | — | — | — | — | 5:20 | — | — | — | — | — | — | — | 5:18 | — | — | — | — | — | — | 5:18 |
 | — | — | — | — | — | 8:57 | — | — | — | — | — | — | — | 8:58 | — | — | — | — | — | — | — | 9:00 | — | 9:00 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | 1 | 3 | |
Temp °C | 7 | 7 | 10 | 10 | 11 | 11 | 8 | 7 | 7 | 8 | 10 | 11 | 11 | 12 | 10 | 10 | 9 | 9 | 10 | 11 | 11 | 11 | 9 | 9 |
3 | 3 | 4 | 3 | 3 | 4 | 3 | 3 | 4 | 5 | 7 | 8 | 8 | 8 | 7 | 6 | 5 | 5 | 6 | 5 | 4 | 5 | 3 | 3 | |
Swell 1 Height (m) Direction Period (s) | WNW 6 | W 6 | W 6 | — | — | W 9 | — | WNW 5 | WNW 5 | — | — | — | W 7 | W 7 | W 5 | — | W 5 | W 5 | W 7 | W 12 | W 12 | W 12 | W 12 | W 7 |
 kJ | 7 | 6 | 3 | — | — | 2 | — | 5 | 2 | — | — | — | 1 | 1 | 2 | — | 5 | 5 | 8 | 3 | 12 | 11 | 11 | 22 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | W 9 | W 9 | W 8 | W 8 | W 7 | — | — | W 7 | — | W 13 | W 7 | W 14 | — | — | — | — | W 12 |
| kJ | — | — | — | — | — | — | — | 2 | 1 | 1 | 1 | 1 | — | — | 1 | — | 3 | 1 | 4 | — | — | — | — | 3 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 13 | W 12 | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 | 3 | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | WNW 4 | WNW 4 | WNW 5 | WNW 5 | — | — | — | — | — | W 5 | W 5 | — | W 5 | — | — | — | W 6 | W 6 | W 6 | WSW 5 | — |
| kJ | — | — | — | 2 | 8 | 9 | 9 | — | — | — | — | — | 2 | 2 | — | 5 | — | — | — | 7 | 7 | 10 | 9 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 318 | 360 | 396 | 369 | 409 | 321 | 320 | 320 | 301 | 202 | 301 | 320 | 202 | 325 | 344 | 344 | 53 | 53 | 325 | 325 | 344 | 351 | 325 | 301 |
Best forecast wave conditions in Wales - South East | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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