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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 Sunday 24 May 2026 BSTForecast update in hr min s Forecast update imminent
Today's The Knap sea temperature is
13.4° C
(Which is 1.6°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 2AM is: 0.2m 9s primary swell from a West direction (forecast issued at 06:00pm May 24). The wind direction is predicted to be glassy.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (25 May) | 0.5ft (0.2m) | 9s |
| Afternoon (25 May) | 0.5ft (0.2m) | 9s |
| Evening (25 May) | 0.5ft (0.2m) | 9s |
Table - waves today at The Knap. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastSome drizzle, heaviest during Tue afternoon. Warm (max 28°C on Tue afternoon, min 15°C on Tue night). Wind will be generally light. | ||||||||||||||||||||||||
Sun 24 | Monday 25 | Tuesday 26 | Wed 27 | |||||||||||||||||||||
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 9 | W 9 | W 9 | W 9 | W 9 | W 9 | W 9 | W 9 | W 9 | W 9 | W 9 | W 9 | W 12 | W 12 | W 12 | W 12 | W 12 | W 12 | W 12 | W 11 | W 11 | W 11 | W 11 | W 11 | |
6 | 6 | 7 | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 10 | 9 | 9 | 9 | 2 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | glassy | glassy | glassy | cross-off | cross-off | cross-off | cross | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross | cross-on | cross-on | cross-on | glassy | cross-off | cross-off | cross-off | cross-off | |
High Tide | 2:00PM8.80m | 2:32AM9.12m | 3:13PM8.74m | 3:43AM9.14m | 4:19PM8.97m | 4:44AM9.36m | ||||||||||||||||||
Low Tide | 8:06PM3.60m | 8:55AM3.41m | 9:22PM3.63m | 10:04AM3.31m | 10:27PM3.42m | 11:00AM3.05m | ||||||||||||||||||
 | |  | | | | | | | | | | | | | | |  | | |  |  | | | |
 | — | — | — | — | 5:09 | — | — | — | — | — | — | — | 5:07 | — | — | — | — | — | — | — | 5:07 | — | — | — |
 | — | 9:09 | — | — | — | — | — | — | — | 9:10 | — | — | — | — | — | — | — | 9:12 | — | — | — | — | — | 9:13 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | |
Temp °C | 23 | 23 | 23 | 22 | 21 | 21 | 21 | 24 | 27 | 25 | 24 | 22 | 21 | 20 | 22 | 25 | 28 | 27 | 25 | 23 | 18 | 15 | 15 | 20 |
23 | 24 | 24 | 23 | 21 | 20 | 20 | 25 | 27 | 25 | 25 | 22 | 21 | 20 | 23 | 26 | 30 | 29 | 27 | 25 | 18 | 12 | 12 | 18 | |
Swell 1 Height (m) Direction Period (s) | W 9 | W 9 | W 9 | W 9 | W 9 | W 9 | W 9 | W 9 | W 9 | W 9 | W 9 | W 9 | W 12 | W 12 | W 12 | W 12 | W 12 | W 12 | W 12 | W 11 | W 11 | W 11 | W 11 | W 11 |
 kJ | 6 | 6 | 7 | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 10 | 9 | 9 | 9 | 2 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | W 14 | W 14 | W 13 | W 13 | W 13 | W 12 | W 12 | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | 4 | 4 | 3 | 3 | 3 | 3 | 3 | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 33 | 32 | 14 | 14 | 14 | 14 | 14 | 14 | 68 | 32 | 33 | 14 | 14 | 67 | 67 | 67 | 33 | 33 | 33 | 33 | 33 | 33 | 75 | 96 |
Best forecast wave conditions in Wales - South East | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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Ocean Swells (m)- Wind Speed (km/h)
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