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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 12 am Saturday 16 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 8AM is: 0.1m 8s primary swell from a West direction (forecast issued at 12:00am May 16). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 May) | 0.5ft (0.1m) | 9s |
| Afternoon (16 May) | 0.5ft (0.2m) | 5s |
| Evening (16 May) | 1ft (0.3m) | 5s |
Table - waves today at The Knap. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 13mm), heaviest on Sun night. Very mild (max 12°C on Sat afternoon, min 7°C on Fri night). Winds increasing (light winds from the WSW on Fri night, fresh winds from the WSW by Sun afternoon). | ||||||||||||||||||||||||
Saturday 16 | Sunday 17 | Monday 18 | ||||||||||||||||||||||
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 | 4 PM | 7 PM | 10 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
WNW 5 | W 9 | W 8 | W 5 | W 5 | W 5 | W 5 | W 5 | W 5 | W 6 | W 7 | W 7 | W 7 | W 6 | W 12 | W 6 | W 6 | W 7 | W 7 | W 7 | W 7 | W 7 | WSW 7 | W 7 | |
5 | 2 | 1 | 2 | 2 | 2 | 2 | 4 | 5 | 10 | 14 | 14 | 14 | 12 | 11 | 11 | 12 | 22 | 24 | 24 | 15 | 15 | 16 | 9 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | cross-on | |
High Tide | 6:59AM11.37m | 7:23PM11.57m | 7:44AM11.73m | 8:06PM11.90m | 8:28AM11.82m | 8:50PM11.95m | ||||||||||||||||||
Low Tide | 00:47AM1.41m | 1:09PM1.06m | 1:30AM0.96m | 1:51PM0.78m | 2:14AM0.74m | 2:33PM0.75m | ||||||||||||||||||
 |  |  |  | | | |  | |  | | | |  | | |  | |  | | | | | | |
 | — | 5:20 | — | — | — | — | — | — | — | 5:18 | — | — | — | — | — | — | — | 5:18 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 8:58 | — | — | — | — | — | — | — | 9:00 | — | — | — | — | — | — | — | 9:00 | — |
— | — | — | — | — | — | — | 1 | — | — | — | — | — | 1 | — | — | 1 | 3 | 1 | 2 | 1 | 1 | 2 | 3 | |
Temp °C | 7 | 8 | 9 | 10 | 11 | 12 | 11 | 11 | 10 | 8 | 8 | 10 | 12 | 12 | 11 | 9 | 9 | 9 | 9 | 9 | 11 | 12 | 11 | 11 |
3 | 6 | 6 | 7 | 8 | 8 | 8 | 6 | 6 | 4 | 4 | 5 | 6 | 5 | 5 | 4 | 3 | 3 | 3 | 5 | 6 | 9 | 8 | 7 | |
Swell 1 Height (m) Direction Period (s) | WNW 5 | W 4 | — | W 8 | W 5 | W 7 | W 7 | W 8 | — | W 6 | W 7 | W 7 | W 12 | — | W 12 | W 6 | W 6 | W 11 | W 7 | W 7 | W 7 | W 7 | WSW 7 | W 7 |
 kJ | 5 | 2 | — | 1 | 2 | 1 | 1 | 1 | — | 10 | 14 | 14 | 3 | — | 11 | 9 | 12 | 3 | 24 | 24 | 15 | 15 | 16 | 9 |
Swell 2 Height (m) Direction Period (s) | W 9 | W 9 | W 8 | — | W 7 | — | — | — | — | W 13 | W 13 | W 14 | — | — | — | W 12 | W 11 | — | W 11 | W 11 | — | — | — | W 10 |
| kJ | 2 | 1 | 1 | — | 1 | — | — | — | — | 3 | 3 | 4 | — | — | — | 11 | 10 | — | 3 | 2 | — | — | — | 2 |
Swell 3 Height (m) Direction Period (s) | — | — | W 5 | — | — | — | — | — | — | — | — | W 12 | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | 1 | — | — | — | — | — | — | — | — | 3 | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | W 5 | — | W 5 | W 5 | W 5 | W 5 | — | — | — | W 7 | W 6 | W 6 | — | — | W 7 | — | — | — | — | — | — |
| kJ | — | — | — | 2 | — | 2 | 2 | 4 | 5 | — | — | — | 14 | 12 | 10 | — | — | 22 | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 320 | 301 | 301 | 301 | 320 | 320 | 323 | 320 | 344 | 136 | 53 | 235 | 325 | 344 | 313 | 301 | 301 | 116 | 61 | 85 | 145 | 143 | 85 | 143 |
Best forecast wave conditions in Wales - South East | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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