Surf Forecasts:
Llantwit Major surf forecast from 15 Jul 2026:
- Most powerful swell: Monday 20 Jul, 10PM (local time) - 1.5ft (0.5m), 4s period, WNW swell with 11 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 0.5m 4s and forecast to arrive on Monday (Jul 20) at 10PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 3s period and expected on Wednesday (Jul 15) at 10PM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 10PM (Mon 20th Jul) | 1.5ft (0.5m) 4s |
Table - best surf conditions forecast for Llantwit Major over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let's chew the fat on what's coming up for the next couple of weeks.
Truth be told, this forecast is a tough pill to swallow. For the first two weeks, we're looking at a proper flat spell. The swell is tiny, barely a bump for days on end. We're talking wave heights of just 0.3 to 0.7 feet, with no real punch behind them. The combined wave energy is mostly in the single digits or low teens (3 to 14), which is just pathetic. The wind is all over the shop, but most of the time it's cross-on or cross-off, which doesn't help when there's nothing to work with.
It's not until the very end of the run, around Wednesday the 30th of July, that we finally see a flicker of life. Even then, the models are calling it "poor surf conditions," so don't get your hopes up too high. From the 15th all the way through to the 29th, it's basically a whitewash for any decent paddle.
The only wave in the picture is Llantwit Major. This is a point break, fairly exposed to the southwest, which is the direction we need. It's a fairly consistent spot, but it's been a barren run. The water temp is a notable 67°F right now, which is about 8°F warmer than usual for this time of year – that's very unusual for the area, so at least the swim will be nice.
Now, about that late pulse. On the morning of Wednesday the 30th of July, we see a bit of a lift. We get a 3-foot swell from the west, with a period of 6 seconds. That's a short-period, local windswell, so it'll be a bit lumpy. The wind is cross-on from the west at 9 mph, which will put some chop on it. The combined energy jumps to 78, which is at least in the moderate range. It's not great, but it's the best we've seen in two weeks.
On Thursday the 31st of July, the afternoon looks a touch bigger again, with a 4-foot west swell, still a short 6-second period. The wind picks up though, to a moderate cross-on from the WNW at 16 mph, making it choppy. The energy is 99, still moderate. This is the only window where you might find a semi-rideable wave, but it's strictly for the die-hards. It's not a standout, just the only option.
Overall, this is a tough one to call. The surf is poor for the entire 16-day outlook. The only real chance is that late July pulse. It's not a beginner's wave at 3 to 4 feet, and with the onshore wind, it'll be a battle. Keep an eye on it, but I wouldn't be making any plans.
Rusty.
Short Range ForecastMostly dry. Warm (max 29°C on Wed afternoon, min 16°C on Wed night). Winds decreasing (fresh winds from the ENE on Wed morning, calm by Fri night). | Days 4-6 Weather SummaryMostly dry. Warm (max 24°C on Sat afternoon, min 14°C on Sat night). Wind will be generally light. | ||||||||||||||||||||
Wednesday 15 | Thursday 16 | Friday 17 | Saturday 18 | Sunday 19 | Monday 20 | Tuesday 21 | |||||||||||||||
AM | 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 10 | W 9 | W 9 | W 10 | W 8 | W 9 | W 8 | W 8 | WNW 3 | W 8 | W 8 | NW 4 | WNW 4 | W 7 | W 10 | W 9 | W 11 | WNW 4 | W 10 | W 10 | W 10 |
Wave Graph  | |||||||||||||||||||||
 kJ | 8 | 6 | 6 | 2 | 6 | 6 | 5 | 1 | 2 | 1 | 1 | 5 | 2 | 1 | 2 | 2 | 2 | 8 | 2 | 2 | 8 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | glassy | off | glassy | cross-on | glassy | cross-off | cross-on | cross-off | cross-off | cross-on | glassy | cross-on | cross-on | off | cross-off | cross-on | off |
High Tide | 8:22PM9.99m | 8:47AM9.71m | 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 | ||||||||
Low Tide | 2:12PM0.65m | 2:42AM0.38m | 2:59PM0.50m | 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 | ||||||||
 | |  | | | |  | | | | |  | | | | | | | | | | |
 | 5:13 | — | — | 5:15 | — | — | 5:16 | — | — | 5:16 | — | — | 5:18 | — | — | 5:20 | — | — | 5:20 | — | — |
 | — | — | 9:23 | — | — | 9:22 | — | — | 9:22 | — | — | 9:21 | — | — | 9:20 | — | — | 9:19 | — | — | 9:17 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 23 | 29 | 25 | 26 | 29 | 26 | 24 | 25 | 23 | 22 | 24 | 23 | 22 | 22 | 20 | 21 | 22 | 20 | 23 | 24 | 23 |
Feels °C | 19 | 26 | 20 | 24 | 27 | 24 | 21 | 21 | 21 | 19 | 21 | 19 | 20 | 19 | 17 | 17 | 17 | 18 | 21 | 21 | 20 |
Swell 1 Height (m) Direction Period (s) | W 10 | W 9 | W 9 | W 8 | W 8 | W 9 | W 8 | W 8 | WNW 3 | — | W 8 | NW 4 | WNW 4 | W 7 | — | — | W 8 | WNW 4 | NW 4 | W 10 | W 10 |
| kJ | 8 | 6 | 6 | 1 | 6 | 6 | 5 | 1 | 2 | — | 1 | 5 | 2 | 1 | — | — | 1 | 8 | 1 | 2 | 8 |
Swell 2 Height (m) Direction Period (s) | — | — | — | W 10 | — | — | NW 4 | — | W 8 | W 8 | — | W 8 | W 8 | NW 4 | W 7 | W 9 | W 11 | W 8 | W 10 | W 7 | — |
| kJ | — | — | — | 2 | — | — | 1 | — | 1 | 1 | — | 1 | 1 | 1 | 1 | 2 | 2 | 1 | 2 | 1 | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 10 | — | — | W 11 | W 8 | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | — | — | 2 | 1 | — | — |
Wind waves Height (m) Direction Period (s) | ENE 3 | NE 3 | NE 3 | — | — | — | — | — | — | — | — | — | — | — | WNW 3 | — | WNW 4 | — | — | — | — |
| kJ | 4 | 3 | 2 | — | — | — | — | — | — | — | — | — | — | — | 1 | — | 2 | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 381 | 111 | 127 | 344 | 261 | 94 | 211 | 1436 | 397 | 426 | 426 | 100 | 134 | 211 | 331 | 426 | 452 | 94 | 143 | 148 | 143 |
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