- Forecast
- Maps
- Live
- Weather State
- Spot Information
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 pm Saturday 16 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
12.4° C
(Which is 1.0°C warmer than normal for this time of year)How big are the waves at Llantwit Major today?
The current surf forecast for Llantwit Major at 2AM is: 0.8m 6s primary swell from a West direction and 0.1m 13s secondary swell from a West direction, 0.6m 5s secondary swell from a West direction (forecast issued at 06:00pm May 16). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 May) | 3ft (0.9m) | 7s |
| Afternoon (17 May) | 3.5ft (1.0m) | 6s |
| Evening (17 May) | 3.5ft (1.0m) | 6s |
Table - waves today at Llantwit Major. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 27mm), heaviest during Sun night. Very mild (max 14°C on Tue morning, min 9°C on Sat night). Winds increasing (light winds from the W on Sun night, strong winds from the WSW by Tue morning). | ||||||||||||||||||||||||
Sat 16 | Sunday 17 | Monday 18 | Tue 19 | |||||||||||||||||||||
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 5 | W 5 | W 5 | W 5 | W 6 | W 7 | W 7 | W 7 | W 12 | W 12 | W 6 | W 6 | W 7 | W 7 | W 7 | W 7 | W 7 | W 6 | W 6 | W 6 | W 6 | WSW 7 | WSW 7 | WSW 7 | |
8 | 15 | 25 | 28 | 47 | 71 | 69 | 69 | 75 | 71 | 68 | 97 | 127 | 139 | 147 | 139 | 89 | 54 | 41 | 30 | 31 | 70 | 94 | 164 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | on | cross-on | cross-on | cross | cross | cross-on | cross-on | cross-on | cross-on | on | cross-on | cross-on | cross-on | cross-on | on | on | cross-on | cross-on | cross-on | cross-on | on | on | cross-on | |
High Tide | 7:13PM9.83m | 7:36AM10.00m | 7:58PM10.08m | 8:22AM10.05m | 8:44PM10.08m | 9:09AM9.83m | ||||||||||||||||||
Low Tide | 1:16AM0.37m | 1:39PM0.30m | 2:02AM0.23m | 2:23PM0.35m | 2:49AM0.31m | |||||||||||||||||||
 |  |  |  | | | |  | | |  | | | | | | | | | | |  | | | |
 | — | — | — | — | 5:20 | — | — | — | — | — | — | — | 5:18 | — | — | — | — | — | — | — | 5:16 | — | — | — |
 | — | 8:59 | — | — | — | — | — | — | — | 9:00 | — | — | — | — | — | — | — | 9:01 | — | — | — | — | — | 9:04 |
1 | — | 1 | — | — | — | — | — | — | — | 1 | 2 | 4 | 2 | 1 | 1 | 1 | 1 | 1 | 4 | 4 | 1 | 1 | 1 | |
Temp °C | 12 | 11 | 10 | 10 | 9 | 9 | 11 | 11 | 11 | 10 | 9 | 9 | 9 | 9 | 10 | 12 | 13 | 12 | 11 | 12 | 13 | 13 | 14 | 14 |
7 | 6 | 6 | 6 | 5 | 5 | 6 | 5 | 4 | 4 | 4 | 3 | 5 | 6 | 6 | 7 | 9 | 9 | 6 | 7 | 9 | 8 | 8 | 7 | |
Swell 1 Height (m) Direction Period (s) | W 7 | W 7 | W 5 | W 5 | W 6 | W 7 | W 12 | W 12 | W 12 | W 12 | W 6 | W 6 | W 7 | W 7 | W 11 | W 11 | W 7 | W 6 | W 6 | W 6 | W 6 | — | — | — |
 kJ | 4 | 4 | 25 | 28 | 47 | 71 | 11 | 47 | 73 | 71 | 68 | 97 | 127 | 139 | 37 | 21 | 89 | 54 | 41 | 30 | 31 | — | — | — |
Swell 2 Height (m) Direction Period (s) | W 9 | W 9 | W 14 | W 13 | W 13 | W 13 | W 14 | — | — | — | WSW 12 | WSW 11 | W 11 | W 11 | — | — | W 10 | W 10 | W 10 | W 10 | W 10 | — | — | — |
| kJ | 2 | 1 | 4 | 4 | 14 | 13 | 16 | — | — | — | 45 | 43 | 40 | 23 | — | — | 33 | 19 | 18 | 8 | 8 | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | W 15 | — | — | — | — | W 12 | — | — | — | W 9 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 4 | — | — | — | — | 3 | — | — | — | 6 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | W 5 | W 5 | — | — | — | — | W 7 | W 7 | W 6 | W 6 | — | — | — | — | W 7 | W 7 | — | — | — | SSE 3 | S 3 | WSW 7 | WSW 7 | WSW 7 |
| kJ | 8 | 15 | — | — | — | — | 69 | 69 | 75 | 53 | — | — | — | — | 147 | 139 | — | — | — | 1 | 5 | 70 | 94 | 164 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 345 | 336 | 300 | 349 | 133 | 39 | 336 | 336 | 353 | 353 | 235 | 353 | 40 | 39 | 101 | 132 | 142 | 286 | 237 | 425 | 470 | 300 | 501 | 510 |
Best forecast wave conditions in Wales - South East | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Llantwit Major surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Nearest