Seignosse - Les Bourdaines Surf Break

Lat Long: 43.70° N 1.44° W

Seignosse - Les Bourdaines Surf Forecast and Surf Report

Issued: 7 pm 19 Aug 2026 (local time)

Forecast update in  hr  min

Today's Seignosse - Les Bourdaines sea temperature is
24.6° C
2.8° 

Seignosse - Les Bourdaines surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Seignosse - Les Bourdaines surf forecast from 19 Aug 2026:

  • Best quality surf: Wednesday 26 Aug, 11PM (local time) - 7.5ft (2.3m), 9s period, WNW swell with cross-offshore winds.
  • Most powerful swell: Thursday 27 Aug, 2AM (local time) - 8ft (2.4m), 9s period, WNW swell with 897 kJ wave energy.
  • Next surfable swell (1★+): Thursday 20 Aug, 11AM (local time) - 4.5ft (1.3m), 11s period with NW swell.

Best Forecast Surf Conditions for Seignosse - Les Bourdaines this week:

The surf forecast for Seignosse - Les Bourdaines over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Aug 20) at 11AM. The primary swell is predicted to be 1.3m and 11s period. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Seignosse - Les Bourdaines in the next 16 days are 2.4m 9s and forecast to arrive on Thursday (Aug 27) at 2AM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.2m 2s period and expected on Monday (Aug 24) at 11PM.

Wave TypeTime (CEST) & Date Wave Height & Period
Next good surf (1 star+)11AM (Thu 20th Aug)4.5ft (1.3m) 11s
Best Surf11PM (Wed 26th Aug)7.5ft (2.3m) 9s
Most Powerful 2AM (Thu 27th Aug)8ft (2.4m) 9s

Table - best surf conditions forecast for Seignosse - Les Bourdaines over the next 16 days.


The Lowdown

Alright, surfers, let's talk about the stretch ahead for the French coast. I’m lookin’ straight at Seignosse - Les Bourdaines. This is a classic beach and jetty setup, wide open to the west, which means it’s a magnet for any decent swell. Right now, the water’s clocking in at what feels about average for this time of year, nothing wild.

We’re starting off on a bit of a quiet note, but there’s a little window lighting up for us. The first real action is on Thursday morning, August 20th. We’ve got a glassy 4 ft NW swell rolling in with a solid 11-second period. The combined energy is sitting at 414 (moderate), and with the wind glassed off, the conditions are looking prime. This is a standout session for the early birds. The afternoon gets messy as the wind swings NW and picks up, so don’t sleep on that morning session.

Friday, August 21st is a write-off. The swell bumps up a bit to 6 ft, but the cross-onshore wind is gonna chop it up and make it a struggle. Saturday morning, the 22nd, is the next real gem. The wind turns offshore from the east, cleaning up a 4 ft NW swell. It’s not huge, but the clean conditions will make it super fun. The energy is a bit lower (266), but for a beach break, that offshore wind is gold.

After that, we hit a flat spell. From Sunday the 23rd through to Tuesday the 25th, the swell drops right off. We’re talking tiny waves, under 3 ft, and the energy is weak (down to 18 and 35). It’s a quiet patch at home, but don’t stress – it’s just a lull.

Things start to grumble again around Wednesday, August 26th with a small 3 ft WNW swell, but the wind is iffy. The real kicker comes later. Thursday, August 27th sees a big jump in size, but the wind is onshore and howling. The wave energy hits 1400 (strong) by the afternoon, with 10 ft WNW swell, but it’s a mess. This is expert territory only, and even then, the onshore wind is gonna make it a battle. More a day for the windsurfers than the paddle crew.

Friday, August 28th through Saturday, August 29th stays big, with 7 ft NW swell, but the wind stays onshore. The energy is strong (900+), but the quality is poor. It’s big and raw.

Now, here’s the light at the end of the tunnel. Sunday, August 30th morning. The wind drops right off, swinging to a light SE offshore, cleaning up a solid 6 ft WNW swell. The energy is 402 (moderate), and the conditions are clean. This is a proper session brewing. Then, Monday, August 31st morning is looking even better. Offshore wind from the east, glassy conditions, and a 5 ft NW swell. The energy is 355 (moderate) and it’s clean. These two days are the real standouts in the second week.

Looking further ahead to Thursday, September 3rd morning, we’ve got a promising long-range call. A 7 ft WNW swell with glassy conditions and a 10-second period, energy at 970 (strong). The conditions look perfect, but it’s a forecast for over a week away, so keep your ear to the ground.

Overall, the pattern is: a couple of good windows early (Thursday and Saturday mornings), a flat spell in the middle, then a return to bigger, surfable conditions towards the end of the month and into September. The best bets are the clean, glassy mornings, especially when the wind is offshore and the swell is in the 4 ft to 6 ft range.

Rusty.

Short Range Forecast

Moderate rain (total 16mm), heaviest on Thu night. Warm (max 27°C on Sat afternoon, min 15°C on Sat morning). Wind will be generally light.

Days 5-7 Weather Summary

Moderate rain (total 10mm), heaviest on Sat night. Warm (max 31°C on Sun night, min 18°C on Sat night). Wind will be generally light.

Thursday
20
Friday
21
Saturday
22
Sunday
23
Monday
24
Tuesday
25
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
2
0
1
1
0
2
2
0
1
1
0
0
0
0
0
0
0
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.5
NW
10
1.3
NW
11
1.3
NW
10
1.4
NW
10
1.8
NW
10
1.7
NW
10
1.5
NW
10
1.3
NW
9
1.1
NW
9
1
NW
8
0.6
NW
8
0.5
NW
7
0.4
NW
7
0.2
W
9
0.3
N
5
0.2
N
3
0.9
SW
4
0.4
WSW
4
0.5
WNW
9
Wave Graph
Metric surfscale
Energy kJ
51
414
369
380
625
569
432
266
194
119
46
27
13
7
5
2
27
6
48
Wind (km/h)
10
W
5
W
15
NW
10
WSW
15
NW
20
WNW
5
E
15
E
20
NNE
15
ESE
10
E
20
N
10
ENE
10
SSE
25
NW
15
SSE
25
WSW
15
N
10
ESE
Wind State
on
glassy
cross-on
on
cross-on
cross-on
off
off
cross-off
cross-off
off
cross-off
off
cross-off
cross-on
cross-off
cross-on
cross
off
High Tide
9:58PM2.90m
10:22AM2.81m
10:56PM2.63m
11:31AM2.63m
00:27AM2.49m
1:10PM2.59m
2:04AM2.54m
2:31PM2.74m
3:08AM2.72m
3:25PM2.97m
3:51AM2.93m
4:05PM3.21m
4:27AM3.15m
Low Tide
4:07AM1.12m
4:40PM1.20m
5:08AM1.36m
5:56PM1.38m
6:31AM1.47m
7:27PM1.38m
7:56AM1.39m
8:39PM1.22m
8:58AM1.19m
9:31PM0.98m
9:43AM0.94m
10:11PM0.73m
part cloud
thunderstorm
light rain
light rain
rain showers
rain showers
part cloud
clear
clear
rain showers
rain showers
clear
part cloud
part cloud
clear
part cloud
clear
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:15
7:16
7:16
7:18
7:18
7:20
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:04
9:01
9:00
8:59
8:57
8:55
8:53
 mm
3
4
4
4
1
9
1
Temp °C
22
21
20
21
20
22
21
19
27
27
20
29
31
27
29
27
24
25
23
Feels °C
23
23
19
21
19
20
20
16
24
25
19
28
29
28
28
25
21
23
21
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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 Seignosse - Les Bourdaines Surf forecast

The above surf forecast table for Seignosse - Les Bourdaines provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Seignosse - Les Bourdaines can be found by selecting the local surf guide option on the grey menu. Our Seignosse - Les Bourdaines 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 (Seignosse - Les Bourdaines) 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 Seignosse - Les Bourdaines 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.

Seignosse - Les Bourdaines is 23 km (14 miles) from Bayonne. If you plan a holiday in Landes, look for hotels and other accommodation in Bayonne. Bayonne has rooms for a wide range of budgets as well as car hire and transport links.

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