Surf Forecasts:
Larmor Plage surf forecast from 7 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: Tuesday 8 Sep, 5PM (local time) - 7.5ft (2.3m), 9s period, W swell with 805 kJ wave energy.
- Next surfable swell (1★+): Monday 7 Sep, 11PM (local time) - 5ft (1.6m), 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 Monday (Sep 07) at 11PM. The primary swell is predicted to be 1.6m 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 2.3m 9s and forecast to arrive on Tuesday (Sep 08) at 5PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 3s period and expected on Friday (Sep 11) at 11PM.
| Wave Type | Time (CEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 11PM (Mon 7th Sep) | 5ft (1.6m) 12s |
| Best Surf | 11PM (Mon 7th Sep) | 5ft (1.6m) 12s |
| Most Powerful | 5PM (Tue 8th Sep) | 7.5ft (2.3m) 9s |
Table - best surf conditions forecast for Larmor Plage over the next 16 days.
The Lowdown
Alright, Rusty here again, breakin’ it down in good ol’ feet and miles per hour.
The early going? Total bust. On Monday 8th September you’ve got a howling southwest wind at 28 mph, churning up a 2.4m (8ft) mess with a pathetic 6-second period. The water’s a mess of cross-onshore chop—kiteboarding territory, not paddle surfing. The combined energy is moderate at 426, but with that wind, forget it.
Your first real chance is Wednesday morning, 9th September. The wind flips to a light NNW at 9 mph, clean cross-offshore, and the swell settles to a nice 1.3m (4ft) from the west with a 9-second period. Energy is moderate (445), faces are clean, and that offshore wind will groom it nicely. Water temp sits at 67°F, a touch warmer than average, so you’ll be fine in a 3/2. Good for beginners and anyone wanting a fun morning.
From Thursday 10th through Tuesday 15th, it’s a flat, weak pattern. Swell drops below 1m (3ft) most days, energy dips into double digits (as low as 50), and the cross-onshore wind keeps things choppy. There’s a weird 0.9m (3ft) pulse on Saturday afternoon with a long 15-second period, but the cross-wind and weak energy (196) mean it’ll be gutless. Larmor Plage is inconsistent anyway, and this stretch proves it.
Now, Wednesday 16th September is your gold. Morning brings a light offshore north wind at 9 mph—glassy, clean, just perfect. The swell is 1.1m (4ft) from the west-northwest with an 11-second period, a solid groundswell with energy at 320 (moderate). This is the day to paddle out: clean lines, light wind, and not too many heads in the water. It’s small enough for a log but has enough push for a fish. Great for intermediates and beginners who can read a wave.
Thursday 17th morning has another offshore window (1m/3ft, NNE 6 mph) but energy drops to 205, so it’s a bit weaker. From Friday 18th onward, it’s all downhill—tiny waves, under 0.6m (2ft), and energy often below 100. The last decent-looking session is that Wednesday 16th morning. Mark it.
Bottom line: Wednesday 16th morning is the one to circle. Wednesday 9th is a decent backup. The rest? Save your gas money. But as always, forecasts can shift, and this zone can surprise you.
Rusty.
Short Range ForecastLight rain (total 3mm), mostly falling on Tue morning. Warm (max 20°C on Mon afternoon, min 14°C on Tue night). Mainly strong winds. | Days 5-7 Weather SummaryMostly dry. Warm (max 22°C on Sat afternoon, min 15°C on Thu night). Wind will be generally light. | |||||||||||||||||||
Mon 7 | Tuesday 8 | Wednesday 9 | Thursday 10 | Friday 11 | Saturday 12 | Sunday 13 | ||||||||||||||
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 13 | W 12 | WSW 6 | W 9 | W 9 | W 9 | WNW 10 | WNW 10 | W 8 | W 8 | W 8 | W 10 | W 9 | W 8 | W 8 | W 15 | WNW 13 | WNW 13 | WNW 11 | WNW 10 |
Wave Graph  | ||||||||||||||||||||
 kJ | 946 | 617 | 426 | 805 | 450 | 264 | 109 | 107 | 42 | 29 | 29 | 158 | 155 | 104 | 55 | 116 | 184 | 135 | 202 | 157 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross-on | cross-off | cross-off | cross-off | cross-off | cross-off | cross-on | cross-on | off | cross-on | cross-on | cross-off | cross-off | cross-on | off | cross | cross | off |
High Tide | 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 | 6:08AM4.24m | 6:23PM4.46m | 6:41AM4.22m | 6:56PM4.32m | |||||||
Low Tide | 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 | 12:09PM-0.08m | 00:33AM-0.11m | 12:47PM-0.03m | 1:08AM0.04m | |||||||
 |  |  |  |  | | | |  | | | | | | | | | | | | |
 | — | — | 7:39 | — | — | 7:41 | — | — | 7:43 | — | — | 7:43 | — | — | 7:45 | — | — | 7:47 | — | — |
 | 8:43 | — | — | 8:40 | — | — | 8:38 | — | — | 8:37 | — | — | 8:35 | — | — | 8:32 | — | — | 8:30 | — |
mm | — | — | 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 20 | 18 | 19 | 20 | 18 | 17 | 20 | 19 | 16 | 18 | 18 | 17 | 19 | 18 | 18 | 22 | 21 | 18 | 21 | 22 |
Feels °C | 18 | 17 | 13 | 13 | 13 | 14 | 16 | 17 | 13 | 15 | 17 | 16 | 18 | 16 | 17 | 20 | 18 | 17 | 17 | 20 |
Swell 1 Height (m) Direction Period (s) | W 13 | W 12 | — | W 10 | W 9 | W 9 | WNW 10 | WNW 10 | W 8 | W 8 | W 8 | W 10 | W 9 | W 8 | W 8 | W 8 | W 9 | W 9 | WNW 11 | WNW 10 |
| kJ | 946 | 617 | — | 102 | 450 | 264 | 109 | 107 | 42 | 29 | 29 | 158 | 155 | 104 | 55 | 55 | 108 | 76 | 202 | 157 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | W 9 | WSW 9 | W 8 | WNW 9 | NW 8 | WNW 8 | WSW 7 | W 11 | NW 8 | W 17 | W 15 | WNW 13 | WNW 13 | W 9 | WNW 12 |
| kJ | — | — | — | — | — | 181 | 106 | 48 | 30 | 18 | 13 | 18 | 2 | 3 | 49 | 116 | 184 | 135 | 6 | 28 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | W 13 | W 12 | W 12 | W 11 | — | — | — | W 8 | NW 10 | W 7 | — | — | — |
| kJ | — | — | — | — | — | — | — | 3 | 11 | 3 | 2 | — | — | — | 1 | 25 | 25 | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | WSW 6 | W 9 | — | — | — | NE 2 | — | — | — | — | — | NNW 3 | — | — | WNW 3 | — | W 2 | — |
| kJ | — | — | 426 | 805 | — | — | — | 1 | — | — | — | — | — | 4 | — | — | 1 | — | 1 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 74 | 1 | 249 | 203 | 0 | 0 | 1 | 0 | 16 | 74 | 43 | 21 | 74 | 0 | 0 | 59 | 0 | 1 | 93 | 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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