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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 12 pm Friday 29 May 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
14.9° C
(Which is 2.9°C warmer than normal for this time of year)How big are the waves at Llantwit Major today (29 May):
- Morning surf: Morning surf (29 May, local time) - 1.5ft (0.4m), 5s period with W swell.
- Afternoon surf: Afternoon surf (29 May, local time) - 1.5ft (0.5m), 6s period with W swell.
- Evening surf: Evening surf (29 May, local time) - 1.5ft (0.5m), 6s period with W swell.
The current surf forecast for Llantwit Major at 8PM is: 0.5m 6s primary swell from a West direction and 0.2m 12s secondary swell from a West-southwest direction (forecast issued at 12:00pm May 29). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (29 May) | 1.5ft (0.4m) | 5s |
| Afternoon (29 May) | 1.5ft (0.5m) | 6s |
| Evening (29 May) | 1.5ft (0.5m) | 6s |
Table - waves today at Llantwit Major. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastSome drizzle, heaviest during Sun night. Very mild (max 16°C on Sat afternoon, min 12°C on Fri night). Wind will be generally light. | ||||||||||||||||||||||||
Fri 29 | Saturday 30 | Sunday 31 | Mon 1 | |||||||||||||||||||||
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 5 | W 6 | W 6 | W 6 | WSW 11 | W 6 | WSW 11 | W 9 | W 9 | W 8 | W 8 | WSW 13 | WSW 12 | WSW 12 | WSW 12 | WSW 11 | W 11 | W 12 | WSW 12 | W 11 | W 11 | W 11 | WSW 11 | WSW 11 | |
8 | 15 | 15 | 15 | 25 | 30 | 37 | 83 | 56 | 35 | 33 | 58 | 198 | 232 | 224 | 205 | 251 | 274 | 228 | 319 | 260 | 256 | 205 | 202 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | cross-on | |
High Tide | 6:31PM8.32m | 6:50AM8.37m | 7:08PM8.54m | 7:27AM8.51m | 7:44PM8.67m | |||||||||||||||||||
Low Tide | 12:17PM1.84m | 00:37AM1.76m | 12:53PM1.68m | 1:13AM1.58m | 1:28PM1.57m | 1:48AM1.49m | ||||||||||||||||||
 |  |  | |  | | | | | | | |  | | | | | | | |  | | |  | |
 | 5:05 | — | — | — | — | — | 5:05 | — | — | — | — | — | — | — | 5:03 | — | — | — | — | — | — | — | 5:03 | — |
 | — | — | — | 9:16 | — | — | — | — | — | — | — | 9:17 | — | — | — | — | — | — | — | 9:19 | — | — | — | 9:20 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | |
Temp °C | 13 | 15 | 15 | 14 | 13 | 13 | 12 | 12 | 14 | 15 | 16 | 15 | 14 | 13 | 14 | 13 | 14 | 15 | 15 | 14 | 13 | 13 | 13 | 13 |
10 | 12 | 11 | 11 | 10 | 11 | 10 | 11 | 12 | 12 | 13 | 12 | 12 | 11 | 12 | 10 | 10 | 11 | 11 | 11 | 11 | 12 | 12 | 12 | |
Swell 1 Height (m) Direction Period (s) | W 5 | SW 13 | WSW 12 | W 6 | W 6 | W 6 | W 7 | W 9 | W 9 | W 8 | W 8 | W 8 | WSW 12 | WSW 12 | WSW 12 | WSW 11 | W 11 | — | WSW 12 | — | W 11 | W 11 | WSW 11 | WSW 11 |
 kJ | 8 | 7 | 15 | 15 | 16 | 30 | 34 | 83 | 56 | 35 | 33 | 31 | 198 | 232 | 224 | 205 | 251 | — | 228 | — | 260 | 256 | 205 | 202 |
Swell 2 Height (m) Direction Period (s) | W 8 | W 8 | W 8 | WSW 12 | WSW 11 | WSW 11 | WSW 11 | W 16 | W 16 | WSW 10 | WSW 10 | WSW 13 | WSW 12 | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 1 | 1 | 1 | 14 | 25 | 23 | 37 | 5 | 5 | 10 | 10 | 58 | 50 | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | W 15 | — | — | W 16 | W 16 | W 16 | W 16 | — | — | W 15 | WSW 14 | W 10 | W 10 | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 4 | — | — | 5 | 5 | 5 | 5 | — | — | 4 | 19 | 8 | 7 | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | W 6 | W 6 | — | — | — | — | — | — | — | — | WNW 2 | — | — | — | — | — | W 12 | W 4 | W 11 | — | — | — | — |
| kJ | — | 15 | 15 | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | 274 | 10 | 319 | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 191 | 177 | 142 | 58 | 40 | 32 | 15 | 9 | 39 | 133 | 133 | 74 | 28 | 90 | 110 | 40 | 134 | 134 | 134 | 184 | 74 | 74 | 28 | 21 |
Best forecast wave conditions in Wales - South East | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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