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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 11 May 2026 BSTForecast update in hr min s Forecast update imminent
Today's The Knap sea temperature is
12.4° 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: 0.2m 4s primary swell from a West-northwest direction (forecast issued at 06:00pm May 11). The wind direction is predicted to be glassy.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 May) | - | - |
| Afternoon (12 May) | 1ft (0.3m) | 4s |
| Evening (12 May) | 1ft (0.3m) | 4s |
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 2mm), mostly falling on Mon afternoon. Very mild (max 13°C on Tue afternoon, min 7°C on Mon night). Winds increasing (calm on Mon night, strong winds from the WNW by Wed morning). | ||||||||||||||||||||||||
Mon 11 | Tuesday 12 | Wednesday 13 | Thu 14 | |||||||||||||||||||||
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 4 | WNW 4 | WNW 4 | WNW 4 | WNW 4 | — | — | WNW 3 | WNW 4 | WNW 4 | WNW 4 | W 4 | W 5 | W 6 | WNW 6 | WNW 7 | WNW 7 | W 7 | W 7 | W 7 | W 7 | WNW 7 | WNW 7 | WNW 7 | |
0 | 0 | 2 | 2 | 2 | 0 | 0 | 0 | 3 | 4 | 4 | 3 | 12 | 24 | 55 | 84 | 89 | 54 | 39 | 38 | 38 | 40 | 56 | 53 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | glassy | cross | cross-off | cross | cross | cross | cross | cross | cross-on | cross | cross | cross | cross | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | |
High Tide | 3:00PM8.24m | 3:32AM8.72m | 4:10PM8.76m | 4:35AM9.33m | 5:06PM9.49m | 5:28AM10.07m | ||||||||||||||||||
Low Tide | 9:12PM3.93m | 9:55AM3.50m | 10:20PM3.42m | 10:53AM2.88m | 11:15PM2.74m | 11:43AM2.19m | ||||||||||||||||||
 |  |  |  |  |  | | |  | | | | | | | | | | | | | | |  | |
 | — | — | — | — | 5:26 | — | — | — | — | — | — | — | 5:24 | — | — | — | — | — | — | — | 5:24 | — | — | — |
 | — | 8:51 | — | — | — | — | — | — | — | 8:52 | — | — | — | — | — | — | — | 8:53 | — | — | — | — | — | 8:54 |
1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | |
Temp °C | 11 | 12 | 11 | 9 | 7 | 8 | 11 | 12 | 13 | 13 | 11 | 9 | 9 | 10 | 10 | 11 | 12 | 11 | 9 | 9 | 9 | 9 | 10 | 11 |
8 | 10 | 9 | 6 | 3 | 4 | 6 | 6 | 7 | 8 | 6 | 3 | 1 | 1 | 0 | 2 | 3 | 4 | 2 | 1 | 1 | 1 | 2 | 3 | |
Swell 1 Height (m) Direction Period (s) | — | — | WNW 4 | WNW 4 | WNW 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
 kJ | — | — | 2 | 2 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | WNW 4 | WNW 4 | — | — | — | — | — | WNW 3 | WNW 4 | WNW 4 | WNW 4 | W 4 | W 5 | W 6 | WNW 6 | WNW 7 | WNW 7 | W 7 | W 7 | W 7 | W 7 | WNW 7 | WNW 7 | WNW 7 |
| kJ | 1 | 2 | — | — | — | — | — | 1 | 3 | 4 | 4 | 3 | 12 | 24 | 55 | 84 | 89 | 54 | 39 | 38 | 38 | 40 | 56 | 53 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 398 | 422 | 366 | 252 | 222 | 285 | 225 | 370 | 372 | 417 | 370 | 325 | 374 | 375 | 802 | 798 | 755 | 755 | 409 | 409 | 409 | 874 | 882 | 369 |
Best forecast wave conditions in Wales - South East | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our The Knap surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
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