Surf Forecasts:
Larmor Plage surf forecast from 5 Sep 2026:
- Best quality surf: Monday 7 Sep, 11PM (local time) - 5ft (1.6m), 12s period, W swell with cross-offshore winds.
- Most powerful swell: Monday 7 Sep, 5PM (local time) - 5.5ft (1.7m), 13s period, W swell with 946 kJ wave energy.
- Next surfable swell (1★+): Saturday 5 Sep, 11PM (local time) - 3.5ft (1.1m), 12s period with WNW 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 Saturday (Sep 05) at 11PM. The primary swell is predicted to be 1.1m and 12s period. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Larmor Plage in the next 16 days are 1.7m 13s and forecast to arrive on Monday (Sep 07) at 5PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 3s period and expected on Wednesday (Sep 09) at 5AM.
| Wave Type | Time (CEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 11PM (Sat 5th Sep) | 3.5ft (1.1m) 12s |
| Best Surf | 11PM (Mon 7th Sep) | 5ft (1.6m) 12s |
| Most Powerful | 5PM (Mon 7th Sep) | 5.5ft (1.7m) 13s |
Table - best surf conditions forecast for Larmor Plage over the next 16 days.
The Lowdown
Alright crew, Rusty here. Let’s chew the fat on Larmor Plage. It’s a slow burner for the next 16 days, and we’re sitting on a bit of a dry spell before anything worth paddling out for shows up. The first real chance doesn’t come until Sunday, September 8th.
The first few days are a write-off. Saturday the 5th has a weak 4ft swell from the WNW, but the cross-on breeze and low energy (469) just don’t have the balls. Sunday the 6th and Monday the 7th are messy with strong wind. The swell jumps to 5-6ft on Monday, but a stiff 15 mph cross-wind will rip it apart, and the energy is moderate (938-946). Not worth the effort.
Here’s the one to circle. Tuesday morning, September 8th is the best of the lot. We’re looking at a clean 4ft swell from the west, and the wind is dead glassy. That’s a big deal. The combined energy is moderate (365), and the water temp is about 65°, which is totally normal for the season – no weird anomalies. For a beginner-friendly spot like Larmor that’s *inconsistent*, this is a solid window. The swell direction is just off the NW, which lines up well with the break. Crowds are *sometimes* a problem, but a Tuesday morning should keep it quiet. The afternoon session hangs on with glassy conditions and 4ft, but the energy drops (220), so the morning is the call.
The rest of the week is a slog. Wednesday the 9th has clean offshore wind but a tiny 2ft swell – it’s clean but it’s a knee-high fizzle. The energy is weak (141). From Thursday the 10th through the weekend, the wind and swell are all over the place. Friday the 11th bumps up to 5ft, but with a 15 mph onshore wind, it’s a junk show. That’s more of a kite-surfing day.
We get a small, clean window on Sunday morning, September 13th, with a light offshore breeze and a 3ft swell from the west. The energy is low (154), but it’s clean. A quickie.
The second week, from the 14th onwards, is a ghost town. Clean mornings with tiny waves (2ft to 3ft) pop up, but the energy is low (under 225). The 16th has a 3ft swell with a 11-second period and a light offshore – clean, but small. The final weekend, the 19th and 20th, is flat and weak, with energy barely hitting 60 to 99. Nothing doing.
If you’re planning a session, make it Tuesday morning, September 8th. That’s the only real standout. The rest is just waiting for the next pulse.
Rusty.
Short Range ForecastLight rain (total 3mm), mostly falling on Tue morning. Warm (max 25°C on Sun afternoon, min 15°C on Mon night). Wind will be generally light. | Days 5-7 Weather SummaryModerate rain (total 12mm), heaviest on Tue afternoon. Warm (max 20°C on Wed afternoon, min 13°C on Tue night). Wind will be generally light. | |||||||||||||||||||
Sat 5 | Sunday 6 | Monday 7 | Tuesday 8 | Wednesday 9 | Thursday 10 | Friday 11 | ||||||||||||||
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) | WNW 12 | WNW 11 | WNW 10 | W 10 | WSW 17 | W 14 | W 13 | W 12 | W 10 | W 10 | WNW 9 | WNW 10 | W 8 | WNW 10 | W 8 | WSW 8 | WSW 8 | W 9 | W 8 | W 8 |
Wave Graph  | ||||||||||||||||||||
 kJ | 469 | 254 | 102 | 90 | 101 | 881 | 946 | 699 | 365 | 220 | 94 | 80 | 76 | 83 | 31 | 58 | 453 | 351 | 273 | 177 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-off | cross-on | on | cross-off | cross | cross | cross-off | glassy | glassy | off | off | cross-off | off | glassy | cross-on | off | cross-on | cross | cross-off |
High Tide | 00:22AM2.99m | 1:13PM3.16m | 2:13AM3.13m | 2:43PM3.45m | 3:23AM3.43m | 3:43PM3.82m | 4:14AM3.74m | 4:30PM4.14m | 4:56AM4.00m | 5:11PM4.37m | 5:34AM4.17m | 5:48PM4.48m | ||||||||
Low Tide | 6:03PM1.19m | 6:43AM1.28m | 7:36PM1.09m | 8:08AM1.11m | 8:52PM0.80m | 9:14AM0.79m | 9:49PM0.45m | 10:06AM0.45m | 10:37PM0.14m | 10:50AM0.17m | 11:18PM-0.06m | 11:31AM-0.02m | 11:56PM-0.15m | |||||||
 |  |  | |  | | | |  |  |  | | | |  | | | |  | | |
 | — | — | 7:37 | — | — | 7:39 | — | — | 7:39 | — | — | 7:41 | — | — | 7:43 | — | — | 7:43 | — | — |
 | 8:46 | — | — | 8:45 | — | — | 8:43 | — | — | 8:40 | — | — | 8:38 | — | — | 8:37 | — | — | 8:35 | — |
mm | — | — | — | — | — | — | — | — | 3 | 10 | 2 | — | — | — | — | — | — | — | 1 | — |
Temp °C | 21 | 22 | 22 | 25 | 20 | 19 | 20 | 19 | 16 | 15 | 15 | 15 | 20 | 19 | 15 | 17 | 17 | 17 | 21 | 20 |
Feels °C | 19 | 20 | 17 | 22 | 20 | 18 | 18 | 17 | 16 | 16 | 15 | 11 | 16 | 16 | 14 | 15 | 14 | 13 | 17 | 16 |
Swell 1 Height (m) Direction Period (s) | WNW 12 | WNW 11 | WNW 10 | W 10 | W 9 | W 14 | W 13 | W 12 | W 10 | W 10 | WNW 9 | W 7 | WNW 10 | WNW 10 | W 8 | NW 9 | WSW 8 | W 9 | S 5 | W 8 |
| kJ | 469 | 254 | 102 | 90 | 39 | 881 | 946 | 699 | 365 | 220 | 94 | 61 | 62 | 83 | 28 | 20 | 169 | 351 | 4 | 177 |
Swell 2 Height (m) Direction Period (s) | — | — | — | SE 4 | WSW 17 | W 9 | — | — | — | — | W 9 | WNW 10 | W 8 | W 8 | WNW 9 | W 12 | W 10 | S 5 | — | — |
| kJ | — | — | — | 5 | 101 | 57 | — | — | — | — | 54 | 80 | 76 | 33 | 31 | 3 | 68 | 21 | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | ESE 4 | WNW 9 | — | — | — | — | — | — | — | — | W 13 | W 12 | — | — | SSW 6 | — | — |
| kJ | — | — | — | 5 | 8 | — | — | — | — | — | — | — | — | 3 | 3 | — | — | 12 | — | — |
Wind waves Height (m) Direction Period (s) | — | ENE 3 | ESE 4 | — | WNW 3 | — | — | — | — | — | NNW 2 | N 3 | — | — | — | WSW 8 | WSW 8 | NW 3 | W 8 | NNW 3 |
| kJ | — | 2 | 10 | — | 3 | — | — | — | — | — | 2 | 1 | — | — | — | 58 | 453 | 6 | 273 | 4 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 43 | 7 | 21 | 74 | 0 | 112 | 63 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 74 | 0 | 112 | 121 | 63 |
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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