Surf Forecasts:
Larmor Plage surf forecast from 11 Sep 2026:
- Best quality surf: Monday 14 Sep, 2AM (local time) - 3.5ft (1.0m), 10s period, W swell with cross-offshore winds.
- Most powerful swell: Wednesday 16 Sep, 8PM (local time) - 5ft (1.6m), 10s period, WNW swell with 454 kJ wave energy.
- Next surfable swell (1★+): Friday 11 Sep, 11PM (local time) - 3.5ft (1.1m), 9s period with W swell.
Best Forecast Surf Conditions for Larmor Plage this week:
The surf forecast for Larmor Plage over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Sep 11) at 11PM. The primary swell is predicted to be 1.1m and 9s period. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Larmor Plage in the next 16 days are 1.6m 10s and forecast to arrive on Wednesday (Sep 16) at 8PM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.6m 5s period and expected on Tuesday (Sep 15) at 5PM.
| Wave Type | Time (CEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 11PM (Fri 11th Sep) | 3.5ft (1.1m) 9s |
| Best Surf | 2AM (Mon 14th Sep) | 3.5ft (1.0m) 10s |
| Most Powerful | 8PM (Wed 16th Sep) | 5ft (1.6m) 10s |
Table - best surf conditions forecast for Larmor Plage over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let’s have a look at what Larmor Plage has in store for us over the next couple of weeks. Gotta be straight with you – the start looks pretty bleak. There’s a big gap of nothing much worth paddling out for, and we’re waiting nearly a full week and a half before things finally shape up.
The first real glimmer of hope doesn’t show until around mid-month, but even then it's only just surfable. The real standout window arrives later in the period. From the morning of Tuesday the 22nd, things finally click. We get a clean cross-offshore breeze and a solid 3.3ft swell from the west, but the real story is the period. That groundswell hits a long 17 seconds, and the combined wave energy jumps to a strong 643. That’s proper energy, and it’ll feel powerful on the sets. The afternoon cleans up even more with lighter winds and a still-long 15-second period, which is perfect for lining up nice walls.
Because this break is a beginner spot and inconsistent, this long-period groundswell at Larmor Plage could be a bit tricky. The longer period means better shape, but at a beach break it can make the waves jack up and close out a bit. Still, that morning session on Tuesday the 22nd is the pick of the entire forecast. The only other spot that gets close is Thursday the 24th, with a bigger 5.2ft swell from the WNW, but the wind swings cross-shore with a chop so it won’t be as clean. That swell also has moderate energy (715-718), so it’s got grunt, but the breeze messes with the surface.
Crowds can be an issue here sometimes, so for the Tuesday morning window, get in early if you can. Water temps are about average for the time of year.
So, if you can wait, hold out for Tuesday the 22nd of September. That’s your day.
Short Range ForecastMostly dry. Warm (max 22°C on Sun afternoon, min 16°C on Sat morning). Wind will be generally light. | Days 5-7 Weather SummaryMostly dry. Warm (max 24°C on Sun night, min 15°C on Tue night). Winds increasing (light winds from the SSW on Mon night, fresh winds from the WNW by Tue afternoon). | ||||||||||||||||||
Friday 11 | Saturday 12 | Sunday 13 | Monday 14 | Tuesday 15 | Wednesday 16 | ||||||||||||||
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 10 | W 9 | W 8 | W 8 | W 8 | WNW 10 | W 11 | W 11 | W 10 | W 10 | W 9 | W 9 | W 8 | WNW 5 | WNW 8 | W 10 | WNW 10 | WNW 11 |
Wave Graph  | |||||||||||||||||||
 kJ | 44 | 319 | 230 | 113 | 82 | 108 | 160 | 260 | 233 | 204 | 151 | 106 | 78 | 51 | 0 | 295 | 153 | 370 | 408 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross-on | cross-off | cross | cross-on | off | cross | cross | cross-off | cross | on | cross-on | cross | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 5:34AM4.17m | 5:48PM4.48m | 6:08AM4.24m | 6:23PM4.46m | 6:41AM4.22m | 6:56PM4.32m | 7:11AM4.11m | 7:27PM4.09m | 7:41AM3.93m | 7:57PM3.80m | 8:11AM3.70m | 8:29PM3.48m | |||||||
Low Tide | 11:18PM-0.06m | 11:31AM-0.02m | 11:56PM-0.15m | 12:09PM-0.08m | 00:33AM-0.11m | 12:47PM-0.03m | 1:08AM0.04m | 1:23PM0.14m | 1:43AM0.29m | 2:00PM0.40m | 2:18AM0.60m | 2:38PM0.71m | 2:55AM0.94m | ||||||
 |  | |  |  | | | | | | | | | | | | | |  | |
 | — | 7:43 | — | — | 7:45 | — | — | 7:47 | — | — | 7:48 | — | — | 7:48 | — | — | 7:50 | — | — |
 | 8:37 | — | 8:35 | — | — | 8:32 | — | — | 8:30 | — | — | 8:29 | — | — | 8:27 | — | — | 8:24 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 18 | 18 | 21 | 21 | 18 | 20 | 20 | 19 | 22 | 24 | 20 | 24 | 24 | 20 | 23 | 19 | 16 | 21 | 19 |
Feels °C | 17 | 17 | 19 | 19 | 18 | 19 | 17 | 17 | 19 | 22 | 20 | 23 | 24 | 20 | 18 | 14 | 13 | 16 | 14 |
Swell 1 Height (m) Direction Period (s) | WSW 8 | W 10 | W 9 | W 8 | W 8 | W 8 | WNW 10 | W 11 | W 11 | W 10 | W 10 | W 9 | W 9 | W 8 | — | W 10 | W 8 | — | WNW 11 |
| kJ | 21 | 319 | 230 | 113 | 82 | 108 | 160 | 260 | 233 | 204 | 151 | 106 | 78 | 51 | — | 78 | 153 | — | 408 |
Swell 2 Height (m) Direction Period (s) | WNW 11 | — | — | — | W 17 | W 15 | W 13 | — | — | NW 10 | WNW 10 | NW 10 | NW 9 | WNW 12 | — | — | W 10 | — | — |
| kJ | 39 | — | — | — | 5 | 39 | 81 | — | — | 102 | 68 | 4 | 3 | 27 | — | — | 151 | — | — |
Swell 3 Height (m) Direction Period (s) | WNW 11 | — | — | — | — | WNW 15 | — | — | — | — | — | ESE 3 | W 13 | — | — | — | — | — | — |
| kJ | 40 | — | — | — | — | 44 | — | — | — | — | — | 1 | 4 | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | W 8 | — | — | — | — | — | WNW 3 | — | W 2 | NW 3 | ESE 2 | — | — | SW 4 | WNW 5 | WNW 8 | — | WNW 10 | NNE 3 |
| kJ | 44 | — | — | — | — | — | 1 | — | 1 | 4 | 1 | — | — | 11 | 138 | 295 | — | 370 | 1 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 1 | 1 | 66 | 0 | 7 | 59 | 0 | 1 | 86 | 0 | 7 | 43 | 7 | 203 | 488 | 2 | 1 | 1 | 0 |
Best forecast wave conditions in Morbihan - Brittany | |||||||||||||||||||
Best forecast wave conditions in France | |||||||||||||||||||
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Information about the Larmor Plage Surf forecast
The above surf forecast table for Larmor Plage provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Larmor Plage can be found by selecting the local surf guide option on the grey menu. Our Larmor Plage 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 (Larmor Plage) 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 Larmor Plage 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.
Larmor Plage is 5 km (3 miles) from Lorient. If you plan a holiday in Morbihan - Brittany, look for hotels and other accommodation in Lorient. Lorient has rooms for a wide range of budgets as well as car hire and transport links.
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