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Surf Forecasts:
The Knap surfForecast / Wales – South East / UK
48hr Weather and Surf, issued 5 am Tuesday 09 Dec 2025 GMTForecast update in hr min s Forecast update imminent
Today's The Knap sea temperature is
9.4° C
(Which is 2.2°C colder than average for this time of year)Updates in hr min s Forecast update imminent
Tuesday 09 | Wednesday 10 | Thursday 11 | Fri 12 | |||||||||||||||||||||
| 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 16 | 16 | 16 | 15 | 15 | 15 | 15 | 14 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 15 | 14 | 14 | 13 | 13 | 12 | 13 | 14 | 14 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 267 | 201 | 193 | 186 | 377 | 405 | 376 | 341 | 239 | 178 | 165 | 146 | 139 | 46 | 26 | 45 | 104 | 134 | 87 | 84 | 83 | 119 | 210 | 147 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | on | on | on | on | cross- on | cross- on | on | on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | on | on | cross- on | on | on | cross- on | cross- on | cross- on | cross- on |
High Tide / height (m) | 9:31AM 11.06 | 9:58PM 10.26 | 10:21AM 10.43 | 10:50PM 9.59 | 11:15AM 9.77 | 11:48PM 9.00 | ||||||||||||||||||
Low Tide / height (m) | 3:10AM 1.66 | 3:41PM 1.80 | 3:58AM 2.23 | 4:32PM 2.39 | 4:50AM 2.83 | 5:28PM 2.96 | ||||||||||||||||||
Tuesday 09 | Wednesday 10 | Thursday 11 | Fri 12 | |||||||||||||||||||||
| Sunrise | - | - | 8:04 | - | - | - | - | - | - | - | 8:06 | - | - | - | - | - | - | - | 8:07 | - | - | - | - | - |
| Sunset | - | - | - | - | 4:05 | - | - | - | - | - | - | - | 4:04 | - | - | - | - | - | - | - | 4:04 | - | - | - |
 | |  | |  |  |  |  | | |  |  | | | | | | | | | | | | | |
Rain (mm) | 8 | 6 | 1 | 2 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 12 | 14 | 14 | 15 | 14 | 11 | 11 | 11 | 10 | 10 | 10 | 11 | 11 | 10 | 9 | 8 | 8 | 8 | 9 | 11 | 11 | 11 | 12 | 11 |
| Feels °C (?) | 2 | 6 | 6 | 6 | 5 | 3 | 4 | 6 | 5 | 5 | 4 | 4 | 5 | 5 | 5 | 5 | 5 | 4 | 5 | 5 | 6 | 6 | 7 | 6 |
- Map Icons:
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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