Surf Forecasts:
Llantwit Major surf forecast from 8 Aug 2026:
- Best quality surf: Thursday 13 Aug, 7AM (local time) - 2ft (0.6m), 11s period, W swell with cross-offshore winds.
- Most powerful swell: Thursday 13 Aug, 7PM (local time) - 2.5ft (0.8m), 10s period, W swell with 125 kJ wave energy.
- Next surfable swell (1★+): Thursday 13 Aug, 7AM (local time) - 2ft (0.6m), 11s period with W swell.
Best Forecast Surf Conditions for Llantwit Major this week:
The surf forecast for Llantwit Major over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Aug 13) at 7AM. The primary swell is predicted to be 0.6m and 11s period. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Llantwit Major in the next 16 days are 0.8m 10s and forecast to arrive on Thursday (Aug 13) at 7PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.3m 2s period and expected on Saturday (Aug 15) at 4PM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 7AM (Thu 13th Aug) | 2ft (0.6m) 11s |
| Best Surf | 7AM (Thu 13th Aug) | 2ft (0.6m) 11s |
| Most Powerful | 7PM (Thu 13th Aug) | 2.5ft (0.8m) 10s |
Table - best surf conditions forecast for Llantwit Major over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let’s have a look at what’s cookin’ for the next couple of weeks.
Honestly, it’s a bit of a tough stretch ahead. Right now, there’s just nothing doing on the surf front. The beginning of the 16-day window is completely flat. We’ve got a long gap of several days with no real surf to speak of. The first faint glimmer of something rideable doesn’t show up until Thursday, 13 August, and even then, it’s small.
The water temperature is sitting at 69°, which is a solid 8° warmer than usual for this time of year. That’s *very* unusual, and honestly, it feels like a warm bath out there.
The only break on the radar is Llantwit Major (point). It’s a point set-up that’s fairly exposed to the SW, which is its optimum swell direction. The first real chance of a wave comes on Thursday morning, 13 August. We’re looking at a tiny 2ft swell from the W, with a period of 11 seconds – that’s a decent bit of groundswell energy, but the wave height is just sad. The combined energy is 85 (moderate energy), but it’s so small. The wind is light and offshore from the E, so it’ll be *clean* – glassy and inviting. It’s a surfable wave, but very ordinary. If you’re desperate for a paddle, that’s your window, but don’t expect to get your hair wet.
After that, it’s back to choppy, wind-blown junk for days. The wind just keeps swinging onshore, and the swell stays tiny.
There is a little bump in energy around Saturday, 22 August and Sunday, 23 August. The combined energy jumps to 127 and 165 (moderate to strong energy), and the swell height finally nudges up to 3ft – 3ft from the W. But the wind is a mess. On the 22nd, it’s a strong cross-onshore from the W at 25 mph, making it a total write-off. On the 23rd, the wind is cross-shore from the NW at 19 mph, so it’s lumpy and cross-chop. The period drops to 8-7 seconds, so it’s short-period wind swell. This setup looks more interesting for kite surfing than paddle surfing, to be honest.
The only standout, if you can call it that, is that Thursday morning, 13 August. It’s the cleanest window we get, with a light offshore and a tiny, clean wave. It’s not a classic, but it’s the best on offer. The rest of the run is a write-off. Don’t hold your breath.
Rusty.
Short Range ForecastMostly dry. Warm (max 23°C on Sat afternoon, min 14°C on Mon night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 31°C on Wed afternoon, min 15°C on Tue night). Wind will be generally light. | ||||||||||||||||||||
Saturday 8 | Sunday 9 | Monday 10 | Tuesday 11 | Wednesday 12 | Thursday 13 | Friday 14 | |||||||||||||||
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 9 | W 9 | W 9 | W 8 | W 8 | WNW 3 | W 4 | W 5 | W 5 | W 10 | W 10 | W 11 | WSW 10 | WSW 10 | W 9 | W 11 | W 10 | W 10 | W 9 | W 9 | W 8 |
Wave Graph  | |||||||||||||||||||||
 kJ | 2 | 2 | 2 | 1 | 1 | 2 | 1 | 5 | 4 | 2 | 2 | 10 | 34 | 31 | 41 | 85 | 75 | 70 | 59 | 39 | 33 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | glassy | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-off | cross-off | cross | cross-off | cross-off | cross-on | glassy | cross-off | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 3:06PM7.31m | 3:49AM7.39m | 4:28PM7.62m | 5:05AM7.83m | 5:37PM8.28m | 6:07AM8.48m | 6:33PM9.03m | 7:00AM9.11m | 7:22PM9.68m | 7:46AM9.59m | 8:07PM10.11m | 8:29AM9.85m | 8:49PM10.26m | ||||||||
Low Tide | 9:07PM2.63m | 9:54AM2.59m | 10:43PM2.36m | 11:21AM2.18m | 00:00AM1.76m | 12:27PM1.56m | 00:59AM1.09m | 1:18PM0.96m | 1:46AM0.55m | 2:02PM0.52m | 2:28AM0.21m | 2:41PM0.28m | 3:06AM0.13m | ||||||||
 |  |  |  | | | | | | | | | | | | | |  | | | | |
 | 5:47 | — | — | 5:48 | — | — | 5:50 | — | — | 5:52 | — | — | 5:54 | — | — | 5:54 | — | — | 5:56 | — | — |
 | — | 8:50 | — | — | 8:47 | — | — | 8:45 | — | — | 8:45 | — | — | 8:43 | — | — | 8:40 | — | — | 8:38 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 21 | 23 | 19 | 20 | 20 | 17 | 21 | 23 | 21 | 25 | 28 | 23 | 28 | 31 | 25 | 26 | 25 | 19 | 21 | 21 | 18 |
Feels °C | 20 | 21 | 17 | 17 | 15 | 15 | 17 | 18 | 18 | 23 | 24 | 20 | 23 | 25 | 22 | 23 | 20 | 17 | 19 | 19 | 17 |
Swell 1 Height (m) Direction Period (s) | W 9 | W 9 | W 9 | W 8 | W 8 | W 8 | W 4 | W 5 | W 5 | W 8 | W 7 | W 11 | WSW 10 | WSW 10 | W 9 | W 11 | W 10 | W 10 | W 9 | W 9 | W 8 |
| kJ | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 5 | 4 | 1 | 1 | 10 | 34 | 31 | 41 | 85 | 75 | 70 | 59 | 39 | 33 |
Swell 2 Height (m) Direction Period (s) | — | — | — | W 7 | — | W 6 | W 8 | W 8 | W 8 | — | W 10 | W 7 | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | 1 | — | 1 | 1 | 1 | 1 | — | 2 | 1 | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | W 7 | — | W 6 | W 10 | — | W 9 | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | 1 | — | 1 | 2 | — | 2 | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | WNW 2 | WNW 3 | — | — | — | — | SE 2 | — | — | SE 2 | — | — | WNW 2 | WNW 4 | — | WNW 2 | — |
| kJ | — | — | — | — | 1 | 2 | — | — | — | — | 1 | — | — | 1 | — | — | 1 | 4 | — | 1 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 324 | 196 | 196 | 462 | 348 | 214 | 194 | 349 | 196 | 393 | 315 | 59 | 55 | 57 | 19 | 0 | 214 | 39 | 40 | 300 | 51 |
Best forecast wave conditions in Wales - South East | |||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||
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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.
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