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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 pm Wednesday 27 May 2026 BSTForecast update in hr min s Forecast update imminent
Today's The Knap sea temperature is
14.2° C
(Which is 2.2°C warmer than normal for this time of year)How big are the waves at The Knap today (27 May):
- Morning surf: Morning surf (27 May, local time) - 0.5ft (0.2m), 11s period with W swell.
- Afternoon surf: Afternoon surf (27 May, local time) - 0.5ft (0.1m), 10s period with W swell.
- Evening surf: Evening surf (27 May, local time) - 0.5ft (0.1m), 10s period with W swell.
The current surf forecast for The Knap at 4PM is: 0.1m 10s primary swell from a West direction (forecast issued at 12:00pm May 27). The wind direction is predicted to be cross-offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (27 May) | 0.5ft (0.2m) | 11s |
| Afternoon (27 May) | 0.5ft (0.1m) | 10s |
| Evening (27 May) | 0.5ft (0.1m) | 10s |
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 Wed night. Warm (max 26°C on Wed afternoon, min 12°C on Fri night). Wind will be generally light. | ||||||||||||||||||||||||
Wed 27 | Thursday 28 | Friday 29 | Sat 30 | |||||||||||||||||||||
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 11 | W 11 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 9 | W 9 | W 9 | W 9 | W 5 | W 5 | W 8 | — | W 6 | W 6 | W 6 | W 6 | W 7 | W 7 | W 7 | |
9 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 0 | 2 | 6 | 6 | 6 | 8 | 8 | 4 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-on | on | cross-on | cross | cross | cross | cross | cross-on | cross | cross | cross | cross | cross | cross | glassy | |
High Tide | 5:13PM9.34m | 5:34AM9.66m | 5:59PM9.74m | 6:18AM9.94m | 6:40PM10.10m | 6:57AM10.17m | ||||||||||||||||||
Low Tide | 11:00AM3.05m | 11:20PM3.09m | 11:45AM2.74m | 00:05AM2.74m | 12:24PM2.44m | 00:44AM2.41m | ||||||||||||||||||
 | |  | |  |  |  | | |  | | |  |  | | | | | | | | | | | |
 | 5:07 | — | — | — | — | — | 5:05 | — | — | — | — | — | — | — | 5:05 | — | — | — | — | — | — | — | 5:03 | — |
 | — | — | — | 9:13 | — | — | — | — | — | — | — | 9:15 | — | — | — | — | — | — | — | 9:15 | — | — | — | 9:16 |
— | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 18 | 22 | 26 | 25 | 21 | 17 | 15 | 14 | 17 | 22 | 24 | 19 | 13 | 13 | 13 | 13 | 15 | 15 | 15 | 14 | 13 | 13 | 12 | 12 |
16 | 19 | 24 | 24 | 21 | 15 | 13 | 13 | 17 | 21 | 23 | 18 | 10 | 11 | 11 | 11 | 12 | 11 | 11 | 11 | 10 | 11 | 10 | 11 | |
Swell 1 Height (m) Direction Period (s) | W 11 | W 11 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 9 | W 9 | W 9 | W 9 | W 9 | W 5 | — | — | W 6 | W 13 | W 12 | W 6 | W 7 | W 7 | W 7 |
 kJ | 9 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | — | — | 2 | 3 | 3 | 6 | 8 | 8 | 4 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 9 | W 8 | — | — | — | — | W 12 | W 11 | W 11 | W 10 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 1 | — | — | — | — | 3 | 2 | 2 | 2 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | W 5 | — | — | — | — | W 6 | W 6 | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | — | — | — | — | 6 | 6 | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 73 | 217 | 68 | 69 | 72 | 72 | 72 | 105 | 181 | 219 | 202 | 353 | 181 | 352 | 132 | 202 | 202 | 352 | 153 | 132 | 53 | 28 | 28 | 22 |
Best forecast wave conditions in Wales - South East | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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