Larmor Plage Surf Break

Lat Long: 47.70° N 3.39° W

Larmor Plage Surf Forecast and Surf Report

Issued: 7 am 26 Aug 2026 (local time)

Forecast update in  hr  min

Today's Larmor Plage sea temperature is
18.1°C
0.4° 

Larmor Plage surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Larmor Plage surf forecast from 26 Aug 2026:

  • Best quality surf: Monday 31 Aug, 11PM (local time) - 5ft (1.6m), 10s period, W swell with cross-offshore winds.
  • Most powerful swell: Sunday 30 Aug, 5AM (local time) - 7ft (2.2m), 10s period, W swell with 967 kJ wave energy.
  • Next surfable swell (1★+): Thursday 27 Aug, 11PM (local time) - 3.5ft (1.0m), 7s period with SW 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 Thursday (Aug 27) at 11PM. The primary swell is predicted to be 1.0m and 7s period with a secondary swell of 0.5m and 8s. 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 2.2m 10s and forecast to arrive on Sunday (Aug 30) at 5AM. Winds are predicted to be cross-onshore at the time the swell arrives.

Wave TypeTime (CEST) & Date Wave Height & Period
Next good surf (1 star+)11PM (Thu 27th Aug)3.5ft (1.0m) 7s
Best Surf11PM (Mon 31st Aug)5ft (1.6m) 10s
Most Powerful 5AM (Sun 30th Aug)7ft (2.2m) 10s

Table - best surf conditions forecast for Larmor Plage over the next 16 days.


The Lowdown

Alright, surfers, Rusty here. Let’s talk about what’s happening at Larmor Plage. This is a tough outlook right now; the next week looks pretty grim. There’s some decent swell building later on, but you’re going to have to be patient.

The water temperature is sitting at 65°, which is pretty much exactly what you’d expect for this time of year.

The forecast starts on Wednesday, August 26th, with barely a ripple. That tiny 1ft of WNW swell is a no-go. It’s small, weak, and the wind is a mess. This continues through the rest of the week. We get a bump in size on the 27th to 4ft, but it’s short-period stuff (7 seconds) from the SW with onshore wind. It’s just lumpy, messy, and not worth bothering with.

Friday afternoon the 28th sees a jump to 6ft, but again, it’s blown out. The energy jumps up to 541, showing there’s some power, but the wind is on it and it’s a poor setup. Saturday the 29th gets even bigger, with 7ft to 8ft of swell, but with a fresh onshore wind of 22 mph, that’s just a washing machine. Even Sunday the 30th has a 5ft swell from the west with a period of 10 seconds (moderate energy of 646), but the wind is cross-onshore and messy. It’s a write-off.

Finally, Monday morning August 31st, we get a little window. The swell is solid at 7ft from the west, period 9 seconds, and the wind goes light offshore from the WNW. The energy is a solid 788, but it is only a marginal call. For experienced surfers, that morning might offer some bowls, but the afternoon turns to crap again. September 1st is back to small, weak, and cross-shore wind.

There’s a glimmer on Thursday morning, September 3rd. The swell is tiny, only 3ft, but the wind is glassy from the ESE. That would be a morning for a foamie or a log, just to get wet. But the energy is only 108, so don't expect much push.

The standout finally comes around on the 5th and 6th of September. It’s not huge, with a consistent 3ft of swell from the west, but the wind is the story here. On Saturday morning, September 5th, we get a moderate offshore breeze from the NNE. That will clean the waves right up. It’s surfable, ordinary, but it’s the best we’ve seen all week. The 6th is similar, with light cross-offshore conditions.

Looking further out, the 7th of September brings a bigger pulse of 6ft-7ft from the west. The energy is a massive 1726 by the afternoon, which is a lot of power. The wind is light onshore, so it won’t be perfect, but that is a lot of water moving. Tuesday morning the 8th of September is the clear winner. You’ve got a clean 5ft of west swell with a light offshore wind from the north. The energy is 320. That is a promising window for a proper session. After that, it fades out again into small, weak surf for the rest of the period.

So for this stretch: pass on the first week. The only real standouts are the glassy morning on the 3rd for absolute beginners, and the clean offshore days on the 5th, 6th, and especially the morning of the 8th of September. The 8th is your best bet for a solid, clean wave.

Rusty.

Short Range Forecast

Light rain (total 9mm), mostly falling on Wed night. Warm (max 22°C on Wed afternoon, min 16°C on Thu night). Wind will be generally light.

Days 4-6 Weather Summary

Light rain (total 4mm), mostly falling on Sat morning. Warm (max 21°C on Sun afternoon, min 16°C on Mon night). Winds decreasing (fresh winds from the SW on Sat morning, calm by Mon night).

Wednesday
26
Thursday
27
Friday
28
Saturday
29
Sunday
30
Monday
31
Tuesday
1
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
1
0
2
1
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.4
WNW
9
0.4
WNW
9
0.9
SE
5
1.2
SW
6
1.2
SW
7
0.8
SW
7
0.9
WSW
7
1.2
WSW
5
1.1
SW
6
2.2
SW
7
2.5
WSW
8
2
W
10
1.6
W
10
1.9
WSW
9
2.5
W
8
2.1
W
9
1.8
W
10
1.4
W
10
1.4
WNW
10
1.1
W
9
1
W
9
Wave Graph
Metric surfscale
Energy kJ
27
25
35
106
147
61
97
75
89
424
809
786
490
605
887
771
637
377
378
194
154
Wind (km/h)
15
SSE
20
ESE
15
S
20
SW
15
SW
5
N
15
W
25
WSW
20
SW
35
SW
35
WSW
20
WSW
20
SW
35
WSW
25
W
15
W
15
WSW
5
NNW
10
W
20
WSW
10
W
Wind State
cross-on
cross
on
cross-on
cross-on
off
cross
cross
cross-on
cross-on
cross
cross-on
cross-on
cross-on
cross
cross
cross-on
glassy
cross
cross
cross
High Tide
4:53PM3.76m
5:10AM3.66m
5:22PM3.99m
5:39AM3.85m
5:52PM4.17m
6:09AM4.00m
6:22PM4.27m
6:39AM4.08m
6:53PM4.29m
7:11AM4.09m
7:26PM4.22m
7:45AM4.02m
8:02PM4.06m
Low Tide
10:37AM0.74m
11:02PM0.55m
11:11AM0.50m
11:35PM0.32m
11:44AM0.31m
00:07AM0.17m
12:17PM0.19m
00:39AM0.09m
12:50PM0.14m
1:12AM0.10m
1:24PM0.18m
1:46AM0.20m
2:01PM0.31m
2:24AM0.39m
part cloud
rain showers
thunderstorm
part cloud
clear
rain showers
rain showers
clear
part cloud
light rain
rain showers
part cloud
part cloud
part cloud
thunderstorm
clear
part cloud
part cloud
clear
cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:22
7:24
7:24
7:26
7:28
7:28
7:31
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:07
9:05
9:02
9:00
8:59
8:57
8:54
 mm
1
5
2
1
2
1
1
Temp °C
20
22
19
19
20
19
18
19
19
19
20
19
20
21
18
18
19
18
18
18
18
Feels °C
20
20
17
18
17
18
16
15
16
15
15
15
17
17
14
16
16
17
17
15
16
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  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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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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