Surf Forecasts:
Larmor Plage surf forecast from 2 Sep 2026:
- Best quality surf: Saturday 5 Sep, 5AM (local time) - 3.5ft (1.0m), 9s period, W swell with cross-offshore winds.
- Most powerful swell: Monday 7 Sep, 5PM (local time) - 7ft (2.1m), 12s period, W swell with 1,174 kJ wave energy.
- Next surfable swell (1★+): Friday 4 Sep, 11PM (local time) - 4ft (1.2m), 9s 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 Friday (Sep 04) at 11PM. The primary swell is predicted to be 1.2m 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 2.1m 12s 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 1.1m 6s period and expected on Wednesday (Sep 09) at 2AM.
| Wave Type | Time (CEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 11PM (Fri 4th Sep) | 4ft (1.2m) 9s |
| Best Surf | 5AM (Sat 5th Sep) | 3.5ft (1.0m) 9s |
| Most Powerful | 5PM (Mon 7th Sep) | 7ft (2.1m) 12s |
Table - best surf conditions forecast for Larmor Plage over the next 16 days.
The Lowdown
Right then, let’s have a look at what’s on the cards for Larmor Plage.
The next few days are a write-off, I’m afraid. A messy westerly wind and weak, short-period swell are just producing slop. We won't see anything worth paddling out for until Saturday the 5th.
Saturday morning on the 5th is where it finally clicks. A clean, light ENE cross-offshore breeze will tidy up a 4ft swell from the WNW, with a period stretching out to 11 seconds, giving the waves some proper shape and energy (308 combined energy). The water temp is sitting at 66°F, which is a touch warmer than average for this time of year – a nice bonus. This is the standout of the whole outlook, and it’s the one to aim for. The crowds are in the mix here though, so get in early.
Sunday the 6th is a step back, with the wind going onshore and the swell dropping away. Monday the 7th has a clean morning with a 4ft, 12-second swell from the west (434 combined energy), but the forecast is flagged as marginal, so keep your expectations in check. The wind stays clean, but consistency could be an issue as the break is inconsistent at the best of times.
Thursday the 10th looks interesting for the more experienced crew. Offshore winds from the NNW are due in the afternoon, cleaning up a solid 7ft swell from the west. That’s a proper size, and the combined energy hits 542, so it’ll be powerful. It’s only for those who know what they’re doing. The period is a short 8 seconds though, so don’t expect a smooth ride.
We then drift into the second week. The 14th of September Monday morning offers a rare treat: flat calm, glassy conditions with a 5ft, 9-second groundswell from the west (354 combined energy). It’s a nice one for a long, quiet session if you can sneak out. Then look at the 15th of September, Tuesday morning. A very long period 15-second groundswell from the west, with 4ft of height and combined energy a massive 1044. The wind is light and cross-offshore. This is the long-range standout. It promises excellent shape and power, but being such a long-period swell at a beach break, it might break a bit straight. The forecast is promising but less certain this far out.
Late in the period, on Thursday the 17th, we see a clean 8ft swell from the WSW, but again, it’s marginal.
So, your best bet is the Saturday morning session. If you can wait, keep an eye on the 15th, but don’t book the trip yet.
Rusty.
Short Range ForecastMostly dry. Warm (max 22°C on Fri afternoon, min 14°C on Sat morning). Wind will be generally light. | Days 5-7 Weather SummaryMostly dry. Warm (max 27°C on Sun afternoon, min 15°C on Tue morning). Winds increasing (light winds from the SSE on Sat afternoon, fresh winds from the W by Mon afternoon). | |||||||||||||||||||
Wed 2 | Thursday 3 | Friday 4 | Saturday 5 | Sunday 6 | Monday 7 | Tuesday 8 | ||||||||||||||
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 8 | W 8 | W 8 | W 8 | W 8 | W 9 | W 8 | WNW 9 | WNW 12 | WNW 12 | WNW 11 | WNW 10 | W 9 | WSW 5 | W 13 | W 12 | W 11 | W 10 | W 9 | WNW 11 |
Wave Graph  | ||||||||||||||||||||
 kJ | 32 | 160 | 113 | 116 | 103 | 146 | 177 | 248 | 439 | 367 | 194 | 100 | 41 | 47 | 326 | 1174 | 727 | 408 | 300 | 202 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | off | cross-off | cross-on | cross-off | cross-on | cross-on | cross-off | cross | cross | cross | cross-off | cross | cross-off |
High Tide | 8:42PM3.81m | 9:05AM3.65m | 9:31PM3.50m | 9:59AM3.38m | 10:37PM3.18m | 11:19AM3.16m | 00:22AM2.99m | 1:13PM3.16m | 2:13AM3.13m | 2:43PM3.45m | 3:23AM3.43m | 3:43PM3.82m | 4:14AM3.74m | |||||||
Low Tide | 2:42PM0.51m | 3:07AM0.66m | 3:32PM0.78m | 4:01AM0.96m | 4:37PM1.04m | 5:13AM1.21m | 6:03PM1.19m | 6:43AM1.28m | 7:36PM1.09m | 8:08AM1.11m | 8:52PM0.80m | 9:14AM0.79m | 9:49PM0.45m | |||||||
 |  |  |  |  | | | | | | | | | | | |  | | | | |
 | — | — | 7:33 | — | — | 7:35 | — | — | 7:35 | — | — | 7:37 | — | — | 7:39 | — | — | 7:39 | — | — |
 | 8:52 | — | — | 8:51 | — | — | 8:49 | — | — | 8:46 | — | — | 8:45 | — | — | 8:43 | — | — | 8:40 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 19 | 18 | 19 | 20 | 19 | 20 | 22 | 22 | 17 | 22 | 23 | 24 | 27 | 21 | 19 | 19 | 18 | 16 | 18 | 17 |
Feels °C | 16 | 16 | 19 | 19 | 19 | 20 | 20 | 20 | 15 | 20 | 21 | 19 | 22 | 21 | 16 | 15 | 15 | 13 | 12 | 11 |
Swell 1 Height (m) Direction Period (s) | W 8 | — | W 8 | W 8 | W 8 | W 9 | — | WNW 9 | WNW 12 | WNW 12 | WNW 11 | WNW 10 | W 9 | WNW 9 | W 13 | W 12 | W 11 | W 10 | W 9 | WNW 11 |
| kJ | 32 | — | 113 | 116 | 103 | 146 | — | 248 | 439 | 367 | 194 | 100 | 41 | 26 | 326 | 1174 | 727 | 408 | 300 | 202 |
Swell 2 Height (m) Direction Period (s) | — | — | S 14 | S 14 | — | — | — | — | — | — | — | SE 5 | SE 5 | SE 4 | — | — | — | W 10 | WNW 12 | — |
| kJ | — | — | 4 | 4 | — | — | — | — | — | — | — | 29 | 11 | 1 | — | — | — | 158 | 87 | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | NW 10 | W 14 | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | 24 | 4 | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | WSW 3 | W 8 | — | — | — | — | W 8 | — | ENE 2 | — | E 3 | — | SW 3 | WSW 5 | W 6 | W 12 | — | — | — | W 6 |
| kJ | 3 | 160 | — | — | — | — | 177 | — | 1 | — | 5 | — | 2 | 47 | 116 | 952 | — | — | — | 78 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 74 | 74 | 74 | 74 | 74 | 162 | 116 | 0 | 0 | 44 | 78 | 21 | 21 | 314 | 295 | 240 | 94 | 0 | 240 | 195 |
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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