Surf Forecasts:
La Guillotine surf forecast from 19 Aug 2026:
- Most powerful swell: Monday 24 Aug, 8PM (local time) - 5ft (1.6m), 6s period, SSE swell with 197 kJ wave energy.
Best Forecast Surf Conditions for La Guillotine this week:
The most powerful waves expected at La Guillotine in the next 16 days are 1.6m 6s and forecast to arrive on Monday (Aug 24) at 8PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.6m 4s period and expected on Tuesday (Aug 25) at 2AM.
| Wave Type | Time (CEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 8PM (Mon 24th Aug) | 5ft (1.6m) 6s |
Table - best surf conditions forecast for La Guillotine over the next 16 days.
The Lowdown
Alright, I’m looking at what we’ve got here for the next couple of weeks, and I’ll be straight with you – it’s a rough stretch. The forecast ahead is pretty much a blank page for surf, but I’ll walk you through the whole thing.
We’re talking about La Guillotine, a sandbar setup that’s advanced-level and inconsistent. It’s fairly exposed to the swell, and the optimum direction is from the south. The water temperature here is sitting at 82°F, which is a solid 8°F warmer than usual for this time of year – that’s way off the charts, so you’ll be feeling that bathwater warmth if you do get in.
Right now, and for the next few days, there’s just nothing happening. The first entry on Wednesday 19 August shows zero swell energy (0) and “poor surf conditions” – that’s the story all the way through. From Wednesday 19 through to Sunday 24 August, we’ve got a big gap of dead flat ocean. Swell heights are either zero or barely a ripple, with periods as short as 3-5 seconds, meaning any tiny bump is just wind chop, not real surf. The combined energy values are all in the single digits – weak as weak can be. Winds are mostly cross-off or cross-on, but with no swell, it doesn’t matter.
The only glimmer of anything comes on Tuesday 25 August afternoon when the wind goes glassy and we see a tiny 0.3 ft bump from the south with a 6-second period – but the energy is still only 1. That’s not surfable, just a ripple. Same story through the end of August and into September: all zeros, no swell, poor conditions. The longest stretch of flatness is from 31 August right through to 3 September, with nothing at all.
So, I’ll say it plain: there’s no good surf options in this 16-day window. La Guillotine is already an inconsistent spot, and this run of flatness is a proper blank. But don’t lose hope – this kind of dead spell can change quickly, and forecasts shift. Right now though, leave the board at home.
Rusty.
Short Range ForecastLight rain (total 4mm), mostly falling on Thu night. Warm (max 31°C on Wed afternoon, min 21°C on Thu night). Wind will be generally light. | Days 4-6 Weather SummaryLight rain (total 2mm), mostly falling on Mon night. Warm (max 26°C on Sat afternoon, min 21°C on Sat morning). Winds increasing (calm on Sat night, fresh winds from the SSE by Mon night). | ||||||||||||||||||||
Wednesday 19 | Thursday 20 | Friday 21 | Saturday 22 | Sunday 23 | Monday 24 | Tuesday 25 | |||||||||||||||
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) | — | — | SSE 4 | SSE 4 | SSW 5 | SSE 5 | S 5 | S 5 | S 6 | S 6 | S 6 | S 6 | — | — | SE 4 | ESE 4 | SE 5 | S 6 | S 6 | S 6 | SSW 3 |
Wave Graph  | |||||||||||||||||||||
 kJ | 0 | 0 | 6 | 3 | 5 | 10 | 4 | 2 | 6 | 2 | 1 | 1 | 0 | 0 | 3 | 7 | 45 | 22 | 3 | 3 | 4 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | on | cross-off | cross-off | cross-on | cross-off | cross | cross-off | cross-off | cross-off | cross-on | glassy | cross-off | cross-on | cross | cross-off | cross-on | cross-off | cross-off | on | glassy |
High Tide | 2:20PM0.18m | 1:34AM0.16m | 3:47PM0.18m | 2:16AM0.14m | 5:27PM0.18m | 6:38PM0.20m | 5:39AM0.13m | 7:27PM0.21m | 6:40AM0.14m | 8:06PM0.23m | 7:24AM0.15m | 8:38PM0.24m | |||||||||
Low Tide | 8:12PM0.11m | 8:19AM0.07m | 10:08PM0.13m | 9:21AM0.08m | 00:38AM0.12m | 10:46AM0.07m | 1:40AM0.11m | 11:55AM0.06m | 2:13AM0.11m | 12:48PM0.05m | 2:40AM0.10m | 1:31PM0.04m | 3:06AM0.09m | ||||||||
 | |  |  |  |  |  | | | | |  | | | | | |  | | |  | |
 | 6:54 | — | — | 6:56 | — | — | 6:56 | — | — | 6:58 | — | — | 6:58 | — | — | 7:00 | — | — | 7:01 | — | — |
 | — | 8:44 | — | — | 8:42 | — | — | 8:39 | — | — | 8:38 | — | — | 8:37 | — | — | 8:35 | — | — | 8:34 | — |
mm | — | — | — | — | — | 3 | 1 | — | — | — | — | — | — | — | — | — | — | 2 | — | — | — |
Temp °C | 29 | 31 | 28 | 26 | 29 | 27 | 24 | 28 | 26 | 25 | 26 | 25 | 24 | 25 | 25 | 25 | 25 | 26 | 23 | 26 | 25 |
Feels °C | 29 | 28 | 32 | 25 | 27 | 27 | 22 | 26 | 21 | 24 | 24 | 23 | 21 | 23 | 25 | 26 | 25 | 24 | 22 | 25 | 23 |
Swell 1 Height (m) Direction Period (s) | — | — | SSE 4 | SSE 4 | — | SSE 5 | S 5 | S 5 | S 6 | S 6 | S 5 | — | — | — | — | S 3 | — | S 6 | ESE 5 | S 6 | S 3 |
| kJ | — | — | 6 | 3 | — | 10 | 4 | 2 | 6 | 2 | 1 | — | — | — | — | 1 | — | 22 | 3 | 3 | 2 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | S 6 | — | SE 5 | SE 5 | — | S 6 | — | — | — | — | — | — | ESE 6 | S 6 | SE 5 | S 6 |
| kJ | — | — | — | — | — | 1 | — | 1 | 1 | — | 1 | — | — | — | — | — | — | 20 | 3 | 1 | 1 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | SE 4 | — | — | S 6 | — | — | — | — | — | SE 5 | SE 5 | — | — |
| kJ | — | — | — | — | — | — | — | — | 1 | — | — | 1 | — | — | — | — | — | 4 | 1 | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | NW 2 | SSW 5 | NW 2 | NW 3 | WNW 3 | NW 2 | NW 2 | SE 4 | — | — | — | SE 4 | ESE 4 | SE 5 | NW 4 | NNW 3 | — | SSW 3 |
| kJ | — | — | — | 1 | 5 | 1 | 2 | 1 | 1 | 1 | 1 | — | — | — | 3 | 7 | 45 | 10 | 1 | — | 4 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 228 | 547 | 189 | 189 | 421 | 156 | 169 | 237 | 179 | 200 | 394 | 394 | 394 | 606 | 394 | 397 | 396 | 48 | 187 | 301 | 306 |
Best forecast wave conditions in Languedoc-Roussillon | |||||||||||||||||||||
Best forecast wave conditions in France | |||||||||||||||||||||
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Information about the La Guillotine Surf forecast
The above surf forecast table for La Guillotine provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at La Guillotine can be found by selecting the local surf guide option on the grey menu. Our La Guillotine 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 (La Guillotine) 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 La Guillotine 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.
La Guillotine is 4 km (2 miles) from the city of Agde. If you plan a holiday in Languedoc-Roussillon, look for hotels and other accommodation in Agde. Agde has rooms for a wide range of budgets as well as car hire and transport links.
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