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Llantwit Major Surf Forecast
/ Wales – South East (14 surf breaks) /
Surf Forecasts:
Llantwit Major surfForecast / Wales – South East / UK
48hr Weather and Surf, issued 11 pm Wednesday 21 Jan 2026 GMTForecast update in hr min s Forecast update imminent
Llantwit Major surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Llantwit Major sea temperature is
7.0° C
(Which is 2.6°C colder than average for this time of year)How big are the waves at Llantwit Major today?
The current surf forecast for Llantwit Major at 3AM is: 0.5m 16s primary swell from a West-southwest direction and 0.7m 12s secondary swell from a West-southwest direction, 0.4m 4s secondary swell from a Southeast direction (forecast issued at 11:00pm January 21). The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (22 Jan) | 5ft (1.6m) | 17s |
| Afternoon (22 Jan) | 6ft (1.8m) | 15s |
| Evening (22 Jan) | 5.5ft (1.7m) | 14s |
Table - waves today at Llantwit Major. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 22 | Friday 23 | Saturday 24 | ||||||||||||||||||||||
| 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 | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |  |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 12 | 12 | 12 | 17 | 17 | 16 | 15 | 14 | 14 | 14 | 13 | 13 | 13 | 18 | 17 | 16 | 16 | 16 | 15 | 15 | 15 | 15 | 15 | 17 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 157 | 147 | 147 | 935 | 1484 | 1375 | 1404 | 1240 | 1162 | 899 | 609 | 350 | 277 | 273 | 1346 | 1223 | 1165 | 1107 | 1028 | 975 | 1028 | 923 | 886 | 1611 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross | cross- off | cross- off | cross- off | cross | cross | on | on | cross- off | cross- off | cross- off | cross- on | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross- on |
High Tide / height (m) | 8:30PM 9.15 | 8:47AM 9.49 | 9:07PM 9.13 | 9:25AM 9.39 | 9:45PM 8.96 | 10:05AM 9.12 | ||||||||||||||||||
Low Tide / height (m) | 2:34AM 0.88 | 2:56PM 0.82 | 3:06AM 0.91 | 3:29PM 0.91 | 3:41AM 1.07 | 4:06PM 1.13 | ||||||||||||||||||
Thursday 22 | Friday 23 | Saturday 24 | ||||||||||||||||||||||
| Sunrise | - | - | - | - | 8:04 | - | - | - | - | - | - | - | 8:03 | - | - | - | - | - | - | - | 8:03 | - | - | - |
| Sunset | - | - | - | - | - | - | 4:45 | - | - | - | - | - | - | - | 4:46 | - | - | - | - | - | - | - | 4:47 | - |
 |  | |  |  |  |  | |  | | | | | | | | | | | | | |  | | |
Rain (mm) | 3 | - | - | 1 | - | - | 1 | 2 | - | - | - | 2 | 5 | - | 1 | 2 | 3 | 1 | - | - | - | 1 | 6 | 2 |
| Temp. °C | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 7 | 7 | 6 | 7 | 7 | 6 | 7 | 7 | 6 | 7 | 7 | 7 | 7 | 7 | 8 | 7 | 7 |
| Feels °C (?) | 5 | 5 | 6 | 5 | 5 | 5 | 6 | 2 | 2 | 1 | 0 | -1 | -1 | -3 | -4 | -6 | -4 | -5 | -4 | -4 | -3 | -1 | -1 | 3 |
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