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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 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 11PM is: 0.3m 5s primary swell from a West direction (forecast issued at 06:00pm May 16). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 May) | - | - |
| 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 25mm), heaviest during Sun night. Very mild (max 14°C on Tue morning, min 8°C on Sat night). Winds increasing (light winds from the W on Sun night, fresh winds from the WSW by Tue morning). | ||||||||||||||||||||||||
Sat 16 | Sunday 17 | Monday 18 | Tue 19 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
W 5 | W 5 | W 5 | W 5 | W 6 | W 7 | W 7 | W 7 | W 6 | W 12 | W 12 | W 6 | W 7 | W 7 | W 7 | W 7 | W 7 | W 6 | W 6 | W 6 | W 6 | SW 7 | WSW 7 | W 8 | |
2 | 2 | 4 | 5 | 6 | 14 | 14 | 14 | 19 | 11 | 11 | 12 | 21 | 23 | 26 | 24 | 23 | 13 | 7 | 7 | 3 | 12 | 21 | 29 | |
Wind (km/h) | ||||||||||||||||||||||||
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 | cross-on | cross-on | on | cross-on | cross-on | on | cross-on | cross-on | cross-on | |
High Tide | 7:23PM11.57m | 7:44AM11.73m | 8:06PM11.90m | 8:28AM11.82m | 8:50PM11.95m | 9:13AM11.62m | ||||||||||||||||||
Low Tide | 1:09PM1.06m | 1:30AM0.96m | 1:51PM0.78m | 2:14AM0.74m | 2:33PM0.75m | 2:58AM0.79m | ||||||||||||||||||
 |  |  |  | | | | | | | |  | | | | |  | | | | | | | | |
 | — | — | — | — | 5:18 | — | — | — | — | — | — | — | 5:18 | — | — | — | — | — | — | — | 5:16 | — | — | — |
 | — | 8:58 | — | — | — | — | — | — | — | 9:00 | — | — | — | — | — | — | — | 9:00 | — | — | — | — | — | 9:02 |
1 | — | 1 | — | — | — | — | — | — | — | — | 1 | 4 | 2 | 1 | 1 | 1 | 1 | 1 | 4 | 4 | 1 | 1 | 1 | |
Temp °C | 11 | 11 | 10 | 10 | 9 | 8 | 11 | 12 | 12 | 10 | 9 | 9 | 9 | 9 | 10 | 12 | 13 | 12 | 11 | 11 | 13 | 13 | 14 | 14 |
7 | 7 | 5 | 6 | 5 | 4 | 6 | 6 | 5 | 4 | 4 | 4 | 5 | 6 | 6 | 7 | 9 | 9 | 6 | 5 | 9 | 9 | 8 | 7 | |
Swell 1 Height (m) Direction Period (s) | W 7 | W 9 | — | — | W 6 | W 7 | W 7 | — | — | W 12 | W 12 | W 6 | W 11 | W 7 | W 11 | W 11 | W 7 | W 6 | W 6 | W 6 | W 6 | — | — | — |
 kJ | 1 | 1 | — | — | 6 | 14 | 14 | — | — | 11 | 11 | 12 | 3 | 23 | 2 | 2 | 23 | 13 | 7 | 7 | 3 | — | — | — |
Swell 2 Height (m) Direction Period (s) | — | W 7 | — | — | W 13 | W 13 | W 14 | — | — | — | W 9 | W 11 | — | W 11 | — | — | — | W 10 | W 10 | W 10 | — | — | — | — |
| kJ | — | 1 | — | — | 3 | 3 | 4 | — | — | — | 1 | 10 | — | 3 | — | — | — | 2 | 2 | 2 | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | W 12 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | W 5 | W 5 | W 5 | W 5 | — | — | — | W 7 | W 6 | W 6 | W 6 | — | W 7 | — | W 7 | W 7 | — | — | — | S 3 | S 3 | SW 7 | WSW 7 | W 8 |
| kJ | 2 | 2 | 4 | 5 | — | — | — | 14 | 19 | 11 | 10 | — | 21 | — | 26 | 24 | — | — | — | 1 | 1 | 12 | 21 | 29 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 333 | 325 | 301 | 344 | 136 | 53 | 325 | 325 | 344 | 344 | 221 | 344 | 53 | 53 | 115 | 145 | 153 | 286 | 228 | 421 | 480 | 301 | 512 | 518 |
Best forecast wave conditions in Wales - South East | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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