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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 6 am Friday 17 Apr 2026 BSTForecast 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
10.6° C
(Which is slightly warmer than usual)How big are the waves at Llantwit Major today?
The current surf forecast for Llantwit Major at 10AM is: 1.0m 12s primary swell from a West direction and 0.5m 3s secondary swell from a South-southwest direction (forecast issued at 06:00am April 17). The wind direction is predicted to be onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Apr) | 3.5ft (1.0m) | 12s |
| Afternoon (17 Apr) | 5ft (1.5m) | 12s |
| Evening (17 Apr) | 4.5ft (1.3m) | 12s |
Table - waves today at Llantwit Major. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 17 | Saturday 18 | Sunday 19 | Mon 20 | |||||||||||||||||||||
| 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 | 4 PM | 7 PM | 10 PM | 1 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 13 | 12 | 12 | 12 | 11 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 424 | 413 | 294 | 497 | 522 | 478 | 486 | 411 | 364 | 345 | 338 | 382 | 375 | 313 | 254 | 202 | 161 | 122 | 90 | 70 | 71 | 50 | 49 | 49 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | on | on | cross- on | on | on | on | cross- on | cross- on | cross- on | cross- on | cross- on | cross | cross- off | cross- off | cross- off | off | cross- off | cross | cross- on | glass | cross- off | off |
High Tide / height (m) | 7:18AM 9.94 | 7:39PM 10.02 | 7:58AM 10.30 | 8:19PM 10.28 | 8:40AM 10.35 | 9:00PM 10.23 | ||||||||||||||||||
Low Tide / height (m) | 1:06AM 0.53 | 1:26PM 0.19 | 1:43AM 0.13 | 2:03PM -0.02 | 2:21AM -0.02 | 2:41PM 0.04 | ||||||||||||||||||
Friday 17 | Saturday 18 | Sunday 19 | Mon 20 | |||||||||||||||||||||
| Sunrise | - | 6:15 | - | - | - | - | - | - | - | 6:13 | - | - | - | - | - | - | - | 6:11 | - | - | - | - | - | - |
| Sunset | - | - | - | - | - | 8:12 | - | - | - | - | - | - | - | 8:14 | - | - | - | - | - | - | - | 8:15 | - | - |
 |  | |  |  | |  |  | |  |  | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | 1 | 1 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 10 | 11 | 13 | 12 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 10 | 11 | 11 | 9 | 9 | 8 | 7 | 9 | 11 | 11 | 11 | 11 | 8 |
| Feels °C (?) | 6 | 7 | 8 | 7 | 6 | 6 | 6 | 4 | 4 | 4 | 4 | 5 | 6 | 6 | 5 | 6 | 5 | 4 | 6 | 8 | 8 | 9 | 8 | 3 |
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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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