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Surf Forecasts:
Biarritz - Cote des Basques surf forecast from 11 Aug 2026:
- Best quality surf: Tuesday 11 Aug, 11AM (local time) - 2.5ft (0.7m), 9s period, NW swell with glassy winds.
- Most powerful swell: Monday 17 Aug, 8PM (local time) - 4.5ft (1.3m), 7s period, NW swell with 184 kJ wave energy.
- Next surfable swell (1★+): Tuesday 11 Aug, 11AM (local time) - 2.5ft (0.7m), 9s 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 Tuesday (Aug 11) at 11AM. The primary swell is predicted to be 0.7m and 9s period with a secondary swell of 0.2m and 5s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Biarritz - Cote des Basques in the next 16 days are 1.3m 7s and forecast to arrive on Monday (Aug 17) at 8PM. Winds are predicted to be cross-offshore at the time the swell arrives.
| Wave Type | Time (CEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 11AM (Tue 11th Aug) | 2.5ft (0.7m) 9s |
| Best Surf | 11AM (Tue 11th Aug) | 2.5ft (0.7m) 9s |
| Most Powerful | 8PM (Mon 17th Aug) | 4.5ft (1.3m) 7s |
Table - best surf conditions forecast for Biarritz - Cote des Basques over the next 16 days.
The Lowdown
Alright, Rusty here. Let’s break it down.
Honestly, for Biarritz - Cote des Basques, it’s a long dry spell. From Tuesday, the 11th of August, all the way through to the morning of Saturday the 22nd, the surf is tiny and weak. We’re talking swell under 3 ft, poor period, and winds that are mostly cross-onshore or onshore. The wave energy is low – mostly in the double digits (80 to 146). It’s just not worth paddling out for. The water temperature is normal for this time of year, no big deal.
But hold on – there’s a window that actually fires. That Sunday, the 23rd of August morning, we get a proper pulse. Swell hits 7 ft from the NW with an 11-second period, and the wind is glassy from the N. That’s clean, powerful stuff. But at 7 ft, this is expert territory only – beginners, stay out of the way. The combined energy is huge at 1123, so there’s serious muscle. The swell direction (NW) is close to the optimum W for this break. Crowds are a given here – it’s “often” busy. The period at 11 seconds is solid groundswell, which will wrap in nicely on this beach-and-reef setup. Monday the 24th morning is still decent with 4 ft from the NW and offshore wind from the ENE.
So, chalk off the first 11 days. The one to circle is Sunday the 23rd morning, with Monday the 24th morning as a solid backup. It’s a quick hit of quality in a long, flat stretch.
Rusty.
Short Range ForecastMostly dry. Warm (max 27°C on Wed afternoon, min 20°C on Tue morning). Wind will be generally light. | Days 4-6 Weather SummaryModerate rain (total 14mm), heaviest on Sun night. Warm (max 23°C on Sun afternoon, min 19°C on Sun night). Wind will be generally light. | ||||||||||||||||||||
Tuesday 11 | Wednesday 12 | Thursday 13 | Friday 14 | Saturday 15 | Sunday 16 | Monday 17 | |||||||||||||||
AM | 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) | NW 9 | NW 9 | NW 8 | NW 8 | WNW 10 | WNW 9 | W 10 | WNW 10 | WNW 11 | WNW 10 | WNW 10 | WNW 9 | WNW 9 | NNW 7 | WNW 9 | NW 8 | NW 8 | NW 7 | NW 7 | NW 7 | NW 7 |
Wave Graph  | |||||||||||||||||||||
 kJ | 76 | 59 | 55 | 44 | 34 | 28 | 50 | 32 | 93 | 111 | 72 | 65 | 45 | 57 | 50 | 93 | 96 | 84 | 132 | 169 | 164 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | cross-on | on | glassy | cross-on | cross-on | on | on | on | on | cross-on | on | on | on | glassy | glassy | cross-on | cross-on | glassy | cross-on | cross-off |
High Tide | 4:24PM4.07m | 4:55AM3.92m | 5:12PM4.27m | 5:40AM4.05m | 5:57PM4.39m | 6:22AM4.10m | 6:39PM4.40m | 7:02AM4.07m | 7:19PM4.31m | 7:41AM3.97m | 7:59PM4.13m | 8:19AM3.81m | 8:38PM3.88m | ||||||||
Low Tide | 10:30AM1.16m | 11:04PM0.84m | 11:19AM0.96m | 11:51PM0.67m | 12:04PM0.81m | 00:34AM0.60m | 12:45PM0.75m | 1:14AM0.63m | 1:25PM0.77m | 1:53AM0.75m | 2:03PM0.89m | 2:30AM0.94m | 2:42PM1.07m | 3:07AM1.18m | |||||||
 | |  | | | | | | | |  |  | |  |  | |  |  | | | | |
 | 7:05 | — | — | 7:07 | — | — | 7:07 | — | — | 7:09 | — | — | 7:09 | — | — | 7:11 | — | — | 7:11 | — | — |
 | — | — | 9:15 | — | — | 9:14 | — | — | 9:13 | — | — | 9:10 | — | — | 9:09 | — | — | 9:07 | — | — | 9:07 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | — | — | 12 | — | 1 | 2 |
Temp °C | 22 | 24 | 23 | 23 | 27 | 24 | 22 | 24 | 22 | 21 | 22 | 22 | 22 | 22 | 22 | 22 | 23 | 21 | 21 | 24 | 23 |
Feels °C | 24 | 25 | 25 | 26 | 28 | 26 | 24 | 25 | 23 | 22 | 23 | 23 | 23 | 23 | 24 | 24 | 24 | 20 | 23 | 25 | 25 |
Swell 1 Height (m) Direction Period (s) | NW 9 | NW 9 | NW 8 | NW 8 | NW 8 | WNW 9 | W 10 | WNW 10 | WNW 11 | WNW 10 | WNW 10 | WNW 9 | WNW 9 | NNW 7 | NW 7 | NW 8 | NW 8 | NW 7 | — | — | — |
| kJ | 76 | 59 | 55 | 44 | 28 | 28 | 50 | 32 | 93 | 111 | 72 | 65 | 45 | 57 | 46 | 93 | 96 | 84 | — | — | — |
Swell 2 Height (m) Direction Period (s) | NNW 5 | — | WNW 10 | WNW 11 | WNW 10 | NW 8 | NNW 4 | WNW 12 | NW 6 | — | NW 5 | NW 6 | NNW 5 | WNW 10 | WNW 9 | — | — | NW 8 | — | — | — |
| kJ | 2 | — | 9 | 12 | 34 | 9 | 3 | 30 | 1 | — | 7 | 24 | 18 | 38 | 50 | — | — | 35 | — | — | — |
Swell 3 Height (m) Direction Period (s) | W 11 | — | W 13 | — | — | NNW 4 | NW 7 | NW 7 | — | — | — | — | — | WNW 8 | — | — | — | — | — | — | — |
| kJ | 2 | — | 3 | — | — | 2 | 7 | 2 | — | — | — | — | — | 24 | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | NNW 4 | — | — | — | WSW 2 | W 3 | NW 4 | WNW 3 | — | — | — | — | — | — | — | — | — | NW 7 | NW 7 | NW 7 |
| kJ | — | 2 | — | — | — | 1 | 1 | 4 | 4 | — | — | — | — | — | — | — | — | — | 132 | 169 | 164 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 201 | 23 | 0 | 201 | 37 | 53 | 91 | 23 | 193 | 200 | 23 | 141 | 20 | 0 | 0 | 80 | 20 | 0 | 5 | 0 |
Best forecast wave conditions in La Cote Basque | |||||||||||||||||||||
Best forecast wave conditions in France | |||||||||||||||||||||
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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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