- Forecast
- Maps
- Live
- Weather State
- Spot Information
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 pm Saturday 16 May 2026 BSTForecast update in hr min s Forecast update imminent
Today's The Knap sea temperature is
12.6° 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 6PM is: 0.2m 5s primary swell from a West direction and 0.1m 7s secondary swell from a West direction (forecast issued at 12:00pm May 16). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 May) | 0.5ft (0.2m) | 4s |
| 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 ForecastHeavy rain (total 22mm), heaviest during Mon night. Very mild (max 13°C on Mon afternoon, min 8°C on Sat night). Mainly fresh winds. | ||||||||||||||||||||||||
Sat 16 | Sunday 17 | Monday 18 | Tue 19 | |||||||||||||||||||||
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 | 4 AM | 7 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
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 | W 7 | W 7 | W 7 | W 6 | SW 7 | |
2 | 2 | 2 | 2 | 4 | 5 | 6 | 14 | 14 | 14 | 19 | 11 | 11 | 12 | 24 | 25 | 16 | 15 | 15 | 8 | 8 | 4 | 3 | 7 | |
Wind (km/h) | ||||||||||||||||||||||||
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 | cross-on | cross-on | on | on | cross-on | cross-on | cross-on | cross-on | |
High Tide | 7:23PM11.57m | 7:44AM11.73m | 8:06PM11.90m | 8:28AM11.82m | 8:50PM11.95m | |||||||||||||||||||
Low Tide | 1:09PM1.06m | 1:30AM0.96m | 1:51PM0.78m | 2:14AM0.74m | 2:33PM0.75m | 2:58AM0.79m | ||||||||||||||||||
 | | | |  |  |  | | | | |  | |  | |  |  | | | | | |  | | |
 | 5:20 | — | — | — | — | — | 5:18 | — | — | — | — | — | — | — | 5:18 | — | — | — | — | — | — | — | 5:16 | — |
 | — | — | — | 8:58 | — | — | — | — | — | — | — | 9:00 | — | — | — | — | — | — | — | 9:00 | — | — | — | 9:02 |
— | — | — | — | 1 | — | — | — | — | — | — | — | — | 2 | 2 | 3 | 1 | 1 | — | 1 | — | 3 | 6 | 2 | |
Temp °C | 10 | 11 | 11 | 11 | 10 | 10 | 9 | 8 | 11 | 12 | 11 | 10 | 9 | 9 | 9 | 9 | 11 | 12 | 13 | 13 | 11 | 11 | 12 | 13 |
6 | 7 | 7 | 7 | 5 | 6 | 5 | 4 | 7 | 6 | 4 | 4 | 4 | 4 | 5 | 6 | 8 | 9 | 10 | 10 | 7 | 6 | 7 | 9 | |
Swell 1 Height (m) Direction Period (s) | W 5 | W 5 | W 7 | W 7 | W 8 | W 5 | W 6 | W 7 | W 7 | — | — | W 12 | W 6 | W 6 | W 7 | W 7 | W 7 | W 7 | W 7 | W 7 | W 7 | W 7 | W 6 | — |
 kJ | 2 | 2 | 1 | 1 | 1 | 5 | 6 | 14 | 14 | — | — | 11 | 11 | 12 | 24 | 25 | 16 | 15 | 15 | 8 | 8 | 4 | 3 | — |
Swell 2 Height (m) Direction Period (s) | W 8 | W 7 | — | — | — | — | W 13 | W 13 | W 14 | — | — | W 9 | W 12 | W 11 | W 11 | W 11 | W 11 | W 11 | — | W 10 | W 10 | W 10 | — | — |
| kJ | 1 | 1 | — | — | — | — | 3 | 3 | 4 | — | — | 2 | 11 | 10 | 3 | 3 | 3 | 2 | — | 2 | 2 | 2 | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | W 12 | — | — | — | W 9 | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | 3 | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | W 5 | W 5 | W 5 | — | — | — | — | W 7 | W 6 | W 6 | — | — | — | — | — | — | — | — | — | S 3 | SSE 3 | SW 7 |
| kJ | — | — | 2 | 2 | 4 | — | — | — | — | 14 | 19 | 11 | — | — | — | — | — | — | — | — | — | 1 | 1 | 7 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 301 | 320 | 323 | 325 | 301 | 344 | 136 | 28 | 325 | 325 | 141 | 141 | 344 | 117 | 53 | 53 | 39 | 85 | 85 | 33 | 228 | 286 | 480 | 480 |
Best forecast wave conditions in Wales - South East | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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.
Nearest