Surf Forecasts:
Larmor Plage surf forecast from 13 Sep 2026:
- Best quality surf: Sunday 13 Sep, 5AM (local time) - 3.5ft (1.0m), 12s period, W swell with offshore winds.
- Most powerful swell: Friday 18 Sep, 2PM (local time) - 5ft (1.5m), 16s period, W swell with 1,175 kJ wave energy.
- Next surfable swell (1★+): Sunday 13 Sep, 5AM (local time) - 3.5ft (1.0m), 12s 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 Sunday (Sep 13) at 5AM. The primary swell is predicted to be 1.0m and 12s period with a secondary swell of 0.4m and 12s. 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 1.5m 16s and forecast to arrive on Friday (Sep 18) at 2PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.2m 6s period and expected on Tuesday (Sep 15) at 11PM.
| Wave Type | Time (CEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 5AM (Sun 13th Sep) | 3.5ft (1.0m) 12s |
| Best Surf | 5AM (Sun 13th Sep) | 3.5ft (1.0m) 12s |
| Most Powerful | 2PM (Fri 18th Sep) | 5ft (1.5m) 16s |
Table - best surf conditions forecast for Larmor Plage over the next 16 days.
The Lowdown
Alright everyone, Rusty here. Let’s break down the next couple of weeks for Larmor Plage.
It’s a slow burner, to be honest. The first part of the period is mostly flat or messy, so don’t rush to the water. The good stuff doesn’t really show up until around Friday the 18th, and then again on Monday the 21st. A couple of sessions look like they’ll be worth the wait.
Kicking off with Larmor Plage. This break is fairly exposed and likes a SW swell direction. The first few days are weak.
Sunday the 13th starts glassy in the morning with a small 3ft swell from the W, but the energy is weak (242). It’s surfable, but just barely. By afternoon, the wind turns cross and it’s junk. Monday and Tuesday are poor – small, weak, and choppy.
Wednesday the 16th afternoon sees the swell push up to 5ft from the W, with moderate wave energy (602). The wind is cross-offshore, so it’s clean. The period is only 10 seconds, so it’s not the most powerful, but it’s a session for those who don’t mind a bit of grunt. Thursday gets blown out.
Friday 18th morning is the first real standout. The swell drops to 3ft from the W, but look at that period: 16 seconds. That’s a very long groundswell. The energy is moderate (527), and conditions are clean with a cross-offshore breeze. This is the kind of swell that works best on a point or reef, so at this beach break, it might break a little straight. Still, it’s quality. Crowds are “sometimes” an issue here, so you might have some company.
Saturday and Sunday the 20th get messy with strong onshore winds, even though the swell stays around 5ft with very long 15-17 second periods and strong energy (1046-1282). That’s for experts only with the wind, or for kite surfers. Most paddle surfers will be sitting this one out.
Monday 21st afternoon is the other real standout. Swell at 4ft from the WNW with a 14-second period, and the wind goes glassy. The energy is moderate (478). This is going to be clean, lined-up, and fun. This is your best bet of the whole 16 days.
After that, the swell fades fast. The last few days of the month are weak windswell, poor conditions, and nothing to ride. By the 28th, it’s back to small, weak, and blown out.
Water temp is about average for the season, nothing weird. Save your energy for the 18th and especially the 21st afternoon.
That’s it from me. Rusty.
Short Range ForecastMostly dry. Warm (max 24°C on Mon afternoon, min 17°C on Sat night). Wind will be generally light. | Days 5-7 Weather SummarySome drizzle, heaviest during Thu afternoon. Warm (max 20°C on Wed afternoon, min 14°C on Tue night). Wind will be generally light. | ||||||||||||||||||
Sunday 13 | Monday 14 | Tuesday 15 | Wednesday 16 | Thursday 17 | Friday 18 | ||||||||||||||
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 10 | W 11 | W 11 | W 10 | WNW 10 | W 9 | W 9 | W 8 | WNW 8 | WNW 8 | WNW 8 | W 10 | WNW 11 | WNW 10 | W 10 | WNW 9 | W 16 | WNW 13 | WNW 14 |
Wave Graph  | |||||||||||||||||||
 kJ | 160 | 242 | 233 | 208 | 157 | 106 | 76 | 51 | 153 | 234 | 252 | 499 | 467 | 265 | 279 | 177 | 326 | 515 | 694 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | glassy | cross | cross-off | cross | cross-on | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-off | cross-off | cross-off | cross | cross-on |
High Tide | 6:41AM4.22m | 6:56PM4.32m | 7:11AM4.11m | 7:27PM4.09m | 7:41AM3.93m | 7:57PM3.80m | 8:11AM3.70m | 8:29PM3.48m | 8:43AM3.42m | 9:04PM3.16m | 9:22AM3.13m | 9:49PM2.84m | |||||||
Low Tide | 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 | 3:21PM1.06m | 3:39AM1.28m | 4:15PM1.38m | 4:40AM1.56m | ||||||
 |  | |  | | | | | |  | | | | |  | | | | | |
 | — | 7:47 | — | — | 7:48 | — | — | 7:48 | — | — | 7:50 | — | — | 7:52 | — | — | 7:52 | — | — |
 | 8:32 | — | 8:30 | — | — | 8:29 | — | — | 8:27 | — | — | 8:24 | — | — | 8:22 | — | — | 8:20 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — |
Temp °C | 18 | 18 | 21 | 21 | 21 | 24 | 24 | 20 | 23 | 19 | 16 | 20 | 18 | 17 | 19 | 17 | 17 | 18 | 17 |
Feels °C | 16 | 18 | 18 | 18 | 21 | 23 | 23 | 17 | 19 | 14 | 13 | 15 | 13 | 14 | 16 | 13 | 14 | 14 | 15 |
Swell 1 Height (m) Direction Period (s) | WNW 10 | W 11 | W 11 | W 10 | WNW 10 | W 9 | W 9 | W 8 | WNW 11 | W 10 | WNW 8 | WNW 12 | WNW 11 | WNW 10 | — | WNW 9 | WNW 10 | WNW 13 | WNW 14 |
| kJ | 160 | 242 | 233 | 208 | 157 | 106 | 76 | 51 | 39 | 234 | 252 | 103 | 467 | 265 | — | 177 | 201 | 515 | 694 |
Swell 2 Height (m) Direction Period (s) | W 13 | — | — | NW 11 | NW 11 | NW 9 | W 13 | WNW 12 | — | — | — | — | — | — | — | W 17 | W 16 | W 16 | — |
| kJ | 81 | — | — | 123 | 29 | 43 | 4 | 14 | — | — | — | — | — | — | — | 5 | 326 | 333 | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | W 13 | W 9 | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | 4 | 2 | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NNW 2 | — | — | — | ENE 3 | — | — | — | WNW 8 | WNW 8 | — | W 10 | NNE 3 | — | W 10 | N 2 | — | — | — |
| kJ | 1 | — | — | — | 1 | — | — | — | 153 | 232 | — | 499 | 1 | — | 279 | 1 | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 0 | 0 | 74 | 0 | 7 | 74 | 0 | 0 | 575 | 1 | 1 | 121 | 0 | 195 | 121 | 0 | 0 | 112 | 74 |
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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