Biarritz - Cote des Basques Surf Break

Lat Long: 43.48° N 1.57° W

Biarritz - Cote des Basques Surf Forecast and Surf Report

Issued: 1 am 23 Aug 2026 (local time)

Forecast update in  hr  min

Today's Biarritz - Cote des Basques sea temperature is
24.9°C
3.2° 

Biarritz - Cote des Basques surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Biarritz - Cote des Basques surf forecast from 23 Aug 2026:

  • Best quality surf: Friday 28 Aug, 8PM (local time) - 10ft (3.0m), 11s period, NW swell with cross-onshore winds.
  • Most powerful swell: Friday 28 Aug, 8PM (local time) - 10ft (3.0m), 11s period, NW swell with 2,120 kJ wave energy.
  • Next surfable swell (1★+): Sunday 23 Aug, 5AM (local time) - 3ft (0.9m), 8s period with NW swell.

Best Forecast Surf Conditions for Biarritz - Cote des Basques this week:

The surf forecast for Biarritz - Cote des Basques over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Aug 23) at 5AM. The primary swell is predicted to be 0.9m and 8s period. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Biarritz - Cote des Basques in the next 16 days are 3.0m 11s and forecast to arrive on Friday (Aug 28) at 8PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 4s period and expected on Sunday (Aug 23) at 11PM.

Wave TypeTime (CEST) & Date Wave Height & Period
Next good surf (1 star+) 5AM (Sun 23rd Aug)3ft (0.9m) 8s
Best Surf 8PM (Fri 28th Aug)10ft (3.0m) 11s
Most Powerful 8PM (Fri 28th Aug)10ft (3.0m) 11s

Table - best surf conditions forecast for Biarritz - Cote des Basques over the next 16 days.


The Lowdown

Alright folks, Rusty here. Let’s talk about what’s on the menu for the Bay of Biscay.

Right off the bat, we’re looking at a pretty quiet start. The next few days are small and weak, with a bit of a lull. The first real chance to get wet is going to be Sunday morning, August 23rd at Biarritz - Cote des Basques (France). It’s a beach and reef setup, pretty exposed to the west, and it’s a beginner-friendly spot. We’re only looking at a tiny 2ft swell from the NW with a short period of 7 seconds, so the energy is super low (62). The big plus? The wind is glassy from the SE. Zero wind. That’s a major positive for the water surface, but the waves themselves are just ordinary. The water temp is about average for this time of year. Not worth getting excited about.

From there, things get pretty grim. Monday through Wednesday morning next week are all poor surf conditions with tiny, weak swell. We’ve got a long gap of nothing good until the following week.

Now, let’s jump ahead to Friday, August 28th. The morning brings a bigger pulse of swell: 6ft from the WNW with a period of 10 seconds. The energy jumps up to moderate (599), but it’s onshore with a 15 km/h WSW wind. That’s a messy wind condition, and the wave comment says it’s marginal. Plus, the swell is big enough that it’s pushing into more challenging territory for beginners. The afternoon is worse with more wind. Not the day.

Saturday, August 29th is the big one for the experts. The morning shows a solid 8ft swell from the WNW with a period of 10 seconds. The energy is strong (1207). But it’s onshore with a 15 km/h W wind, which will chop it up. The wave comment is marginal. Over 8ft, this is only for experienced surfers. The afternoon drops a little but stays cross-onshore.

Sunday, August 30th is the standout. The morning is the best on offer. Clean, offshore wind from the ENE at just 5 km/h. The swell is 4ft from the NW with an 8-second period, so the energy is moderate (250). The wave comment says “expect good surf conditions.” This is the one. The wind is light offshore, which will make for clean, glassy faces. The size is right for a decent session. Keep in mind, Cote des Basques is often crowded, so expect company.

Looking further ahead, there’s a promising blip on Monday, September 7th. The morning looks clean with an offshore E wind at 10 km/h and a 4ft swell from the NW with a long 12-second period. The energy is moderate (452). That’s a groundswell, and the long period will give it some punch. The wave comment is good. But it’s over a week away, so treat it as a promising possibility, not a certainty.

The rest of the first week of September is a washout with tiny, weak swell and onshore winds. The period from the 31st through the 6th is mostly poor conditions.

So, to wrap it up: Sunday morning, August 30th is your best bet for a clean, fun session with that offshore wind. The Monday, September 7th morning looks like a solid long-range option for cleaner groundswell. The big Saturday swell is for the brave and experienced only.

Rusty out.

Short Range Forecast

Light rain (total 3mm), mostly falling on Sun night. Warm (max 31°C on Mon afternoon, min 19°C on Sun morning). Wind will be generally light.

Days 4-6 Weather Summary

Some drizzle, heaviest during Fri morning. Warm (max 30°C on Wed afternoon, min 17°C on Fri morning). Wind will be generally light.

Sunday
23
Monday
24
Tuesday
25
Wednesday
26
Thursday
27
Friday
28
Saturday
29
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
1
0
0
0
0
0
0
0
1
1
0
0
1
1
1
1
1
2
1
0
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.7
NW
7
0.5
NW
7
0.5
N
5
0.3
N
5
0.3
NNW
6
0.1
NW
6
0.1
NW
13
0.3
NW
12
0.4
NW
11
0.4
NW
10
0.4
NW
10
0.4
WNW
9
0.9
WNW
9
1.3
WNW
8
1.2
W
8
2
WNW
10
2.5
WNW
11
2.5
WNW
11
2
WNW
10
1.7
WNW
9
1.6
NW
9
Wave Graph
Metric surfscale
Energy kJ
56
26
11
5
6
2
7
23
43
35
23
31
136
234
200
804
1822
1527
772
480
396
Wind (km/h)
5
ESE
15
NNE
15
SE
10
SSW
20
WNW
10
S
10
WSW
15
NNW
5
ESE
5
SE
5
NNE
10
WSW
5
SW
10
N
10
S
10
WSW
20
WNW
15
WSW
10
W
15
NW
5
SE
Wind State
glassy
cross-off
cross-off
cross
on
cross
on
cross
glassy
cross-off
cross-off
cross-on
glassy
cross
cross
cross-on
cross-on
on
on
cross-on
cross-off
High Tide
2:32PM3.20m
3:07AM3.15m
3:24PM3.39m
3:51AM3.34m
4:05PM3.60m
4:28AM3.53m
4:41PM3.80m
5:00AM3.71m
5:13PM3.98m
5:31AM3.86m
5:45PM4.12m
6:02AM3.97m
6:16PM4.20m
Low Tide
8:16AM1.94m
9:07PM1.76m
9:24AM1.77m
9:59PM1.55m
10:10AM1.56m
10:38PM1.35m
10:48AM1.35m
11:12PM1.16m
11:21AM1.17m
11:45PM1.01m
11:53AM1.02m
00:16AM0.90m
12:25PM0.93m
00:48AM0.85m
clear
clear
thunderstorm
clear
part cloud
part cloud
part cloud
part cloud
part cloud
clear
part cloud
part cloud
cloud
cloud
part cloud
rain showers
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:18
7:20
7:20
7:22
7:22
7:24
7:26
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:57
8:55
8:53
8:52
8:51
8:49
8:46
 mm
3
1
Temp °C
23
29
28
29
31
25
26
25
23
24
30
26
21
25
22
21
21
21
20
21
20
Feels °C
25
28
28
29
29
24
25
23
25
24
29
25
23
22
22
19
18
19
19
20
20
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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 Biarritz - Cote des Basques Surf forecast

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

Biarritz - Cote des Basques is 2 km (1 miles) from Biarritz. If you plan a holiday in La Cote Basque, look for hotels and other accommodation in Biarritz. Biarritz has rooms for a wide range of budgets as well as car hire and transport links.

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