Surf Forecasts:
Llantwit Major surf forecast from 16 Jul 2026:
- Most powerful swell: Wednesday 22 Jul, 7PM (local time) - 2.5ft (0.7m), 4s period, NW swell with 19 kJ wave energy.
Best Forecast Surf Conditions for Llantwit Major this week:
The most powerful waves expected at Llantwit Major in the next 16 days are 0.7m 4s and forecast to arrive on Wednesday (Jul 22) at 7PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.6m 3s period and expected on Sunday (Jul 19) at 1AM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 7PM (Wed 22nd Jul) | 2.5ft (0.7m) 4s |
Table - best surf conditions forecast for Llantwit Major over the next 16 days.
The Lowdown
Right, I’ve been looking at the charts for Llantwit Major and it’s a tough one to call. The whole 16-day window is looking pretty flat and underwhelming, so don’t get your hopes up for anything epic. We’re looking at a long stretch of small, weak swell and mostly onshore winds, so it’s not going to be a classic summer run.
The water is something to mention though, it’s sitting at 68°F and that’s a whopping 8°F warmer than usual for this time of year. That’s seriously unusual, so you’ll be in for a warm one if you do get in, but the surf won't be the reason you're out there.
We start off on Thursday, 16th July, with a tiny 0.3ft swell from the west. The morning is clean with a light cross-off wind, but it's just too small to do anything with. The afternoon goes glassy, but it’s still only 0.7ft. This pattern pretty much repeats all the way through to the middle of the month. You’ll see a few mornings with glassy conditions, like Friday 17th morning and Saturday 18th morning, but the swell is just a whisper with combined energy readings in the single digits (2 to 6). It’s a real bummer.
The wind turns more onshore through the afternoons, making it choppy and messy. There’s a slight uptick in energy around the 22nd of July, with a 2ft swell from the NW and a period of 4 seconds. That’s a short, weak windswell, and the cross-shore wind won’t help. The combined energy is only 22, so still weak.
The last few days of July offer a little more hope, but it’s still small. Monday the 27th morning has a clean 2ft from the west, with a light cross-off. The combined energy is 39, still weak. The best of a bad bunch looks like Thursday the 30th morning, with a 3ft west swell and a period of 7 seconds, giving a combined energy of 74. That’s the highest we’ll see, but it’s still weak energy and the wind is onshore. It’s really not worth paddling out for.
Honestly, there are no standouts here. The swell is too small, the periods are short, and the wind is rarely in our favour. It’s a classic case of a flat spell. If you’re desperate for a paddle, maybe the glassy mornings on the 20th or 23rd for a little float, but don’t expect any waves.
Rusty.
Short Range ForecastMostly dry. Warm (max 27°C on Thu afternoon, min 12°C on Sat night). Winds increasing (calm on Fri morning, fresh winds from the NE by Sat night). | Days 5-7 Weather SummaryMostly dry. Warm (max 23°C on Mon afternoon, min 14°C on Sun night). Mainly fresh winds. | |||||||||||||||||||
Thu 16 | Friday 17 | Saturday 18 | Sunday 19 | Monday 20 | Tuesday 21 | Wednesday 22 | ||||||||||||||
PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | |||||||||||||
Wave Height (m) Direction Period (s) | W 8 | W 9 | W 8 | W 8 | NW 4 | WNW 4 | NW 3 | NW 4 | W 8 | W 7 | NW 4 | W 9 | W 11 | WNW 4 | W 11 | W 10 | W 10 | W 10 | NW 4 | NW 5 |
Wave Graph  | ||||||||||||||||||||
 kJ | 6 | 6 | 5 | 1 | 3 | 1 | 2 | 5 | 1 | 1 | 3 | 2 | 2 | 8 | 2 | 2 | 8 | 7 | 12 | 11 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | cross-off | glassy | cross-on | glassy | glassy | cross-on | cross-off | off | cross-on | cross-off | glassy | cross-on | off | cross-off | cross-on | cross | cross | cross | cross-off |
High Tide | 9:08PM10.09m | 9:32AM9.63m | 9:53PM9.94m | 10:16AM9.34m | 10:37PM9.54m | 11:00AM8.88m | 11:20PM8.96m | 11:44AM8.32m | 00:05AM8.28m | 12:30PM7.73m | 00:54AM7.60m | 1:22PM7.18m | 1:51AM7.01m | |||||||
Low Tide | 3:28AM0.33m | 3:43PM0.55m | 4:11AM0.50m | 4:25PM0.78m | 4:53AM0.86m | 5:06PM1.17m | 5:34AM1.34m | 5:48PM1.67m | 6:16AM1.89m | 6:34PM2.20m | 7:02AM2.43m | 7:25PM2.69m | ||||||||
 |  | |  |  | | | | | | | | | | | |  | | | | |
 | — | — | 5:16 | — | — | 5:16 | — | — | 5:18 | — | — | 5:20 | — | — | 5:20 | — | — | 5:22 | — | — |
 | — | 9:22 | — | — | 9:22 | — | — | 9:21 | — | — | 9:20 | — | — | 9:19 | — | — | 9:17 | — | — | 9:15 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 25 | 24 | 25 | 23 | 21 | 24 | 19 | 20 | 22 | 20 | 20 | 23 | 21 | 20 | 23 | 20 | 21 | 20 | 16 |
Feels °C | 26 | 24 | 21 | 25 | 22 | 18 | 21 | 13 | 16 | 18 | 18 | 17 | 19 | 20 | 18 | 19 | 17 | 15 | 13 | 12 |
Swell 1 Height (m) Direction Period (s) | W 8 | W 9 | W 8 | W 8 | NW 4 | WNW 4 | W 8 | NW 4 | W 8 | W 7 | NW 4 | NW 4 | W 8 | WNW 4 | W 11 | W 10 | WNW 4 | W 10 | W 10 | NW 5 |
| kJ | 6 | 6 | 5 | 1 | 3 | 1 | 1 | 5 | 1 | 1 | 3 | 1 | 1 | 8 | 2 | 2 | 3 | 7 | 7 | 11 |
Swell 2 Height (m) Direction Period (s) | — | — | NW 4 | — | W 8 | W 8 | — | W 8 | NW 4 | — | W 7 | W 9 | W 11 | W 11 | NW 4 | W 8 | W 10 | W 10 | — | W 9 |
| kJ | — | — | 1 | — | 1 | 1 | — | 1 | 1 | — | 1 | 2 | 2 | 2 | 1 | 1 | 8 | 2 | — | 2 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | W 8 | W 8 | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | NW 2 | — | — | NW 3 | E 3 | ENE 2 | — | — | — | NW 4 | — | — | — | — | NW 4 | NW 4 | NNE 3 |
| kJ | — | — | — | 1 | — | — | 2 | 7 | 1 | — | — | — | 1 | — | — | — | — | 1 | 12 | 1 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 263 | 261 | 59 | 355 | 427 | 460 | 370 | 356 | 426 | 196 | 331 | 367 | 356 | 94 | 143 | 196 | 353 | 885 | 295 | |
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.
Information about the Llantwit Major Surf forecast
The above surf forecast table for Llantwit Major provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Llantwit Major can be found by selecting the local surf guide option on the grey menu. Our Llantwit Major surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Llantwit Major) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).
Further information to help with frequently asked questions about our surf forecast for Llantwit Major may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.
Llantwit Major is 8 km (5 miles) from the city of Nash Point. If you plan a holiday in Wales - South East, look for hotels and other accommodation in Nash Point. Nash Point has rooms for a wide range of budgets as well as car hire and transport links.
Nearest