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Surf Forecasts:
Biarritz - Cote des Basques surf forecast from 29 Aug 2026:
- Best quality surf: Saturday 29 Aug, 5AM (local time) - 8ft (2.4m), 10s period, WNW swell with cross-offshore winds.
- Most powerful swell: Saturday 29 Aug, 5AM (local time) - 8ft (2.4m), 10s period, WNW swell with 1,102 kJ wave energy.
- Next surfable swell (1★+): Saturday 29 Aug, 5AM (local time) - 8ft (2.4m), 10s period with WNW 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 Saturday (Aug 29) at 5AM. The primary swell is predicted to be 2.4m and 10s 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 2.4m 10s and forecast to arrive on Saturday (Aug 29) at 5AM. 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+) | 5AM (Sat 29th Aug) | 8ft (2.4m) 10s |
| Best Surf | 5AM (Sat 29th Aug) | 8ft (2.4m) 10s |
| Most Powerful | 5AM (Sat 29th Aug) | 8ft (2.4m) 10s |
Table - best surf conditions forecast for Biarritz - Cote des Basques over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let's break down what's coming our way for the Biarritz - Cote des Basques stretch.
We’ve got a solid run of surf kicking off right away. The overall pattern is a nice pulse of groundswell from the WNW that will ease off through the first week. The standout session is the Saturday morning, August 29. We’re looking at clean, glassy conditions with a light 3 mph offshore breeze from the East and a clean 6 ft swell rolling in from the WNW at 9 seconds. The water is sitting at a very warm 75°F, which is a notable 5°F warmer than normal for late August – unseasonably toasty. The energy is pumping with a combined swell energy of 641 (moderate). This is the pick of the entire forecast for quality. Saturday afternoon will see the wind shift to a cross-shore from the NNW, dropping the swell to 5 ft but the quality will suffer, making it a marginal call.
Sunday morning, August 30, is another good one. A 5 ft WNW swell with glassy ENE winds at 3 mph will give us clean waves and a combined energy of 490 (moderate). Sunday afternoon, however, the wind swings onshore from the NW and it gets choppy. Monday morning, August 31, has zero wind, leaving the 5 ft NW swell glassy clean – a solid session with combined energy of 433 (moderate). Monday afternoon the wind turns cross-onshore and the quality drops.
Tuesday morning, September 1st, has our last truly clean morning of the first week with a 5 ft NW swell and glassy NE winds. After that, the swell steadily fades. Wednesday and Thursday mornings have small, weak surf (down to 2 ft) but are still glassy, making for a quiet but pleasant paddle. By Thursday afternoon, the wave heights drop below 2 ft and the wind creates small chop.
The second week looks inconsistent. There’s a slight pulse around Saturday morning, September 5, with a 4 ft NW groundswell at 10 seconds and calm, glassy winds – combined energy of 273 (moderate). That’s a promising morning but the afternoon gets messy with a cross-onshore wind and the period jumps to 13 seconds, which is very long. For a beach and reef setup like Basques, that long period can make it a bit weird, breaking too straight. Sunday morning, September 6, has a 4 ft NW swell at 11 seconds and offshore ENE winds – a clean option. After that, it’s mostly onshore winds and small, messy waves through to mid-September. From September 10 onward, the swell is below 2 ft and it’s not worth getting excited about.
To sum it up: Saturday morning, August 29 is the absolute best of the 16 days. Don’t miss it. Sunday morning, August 30, and Monday morning, August 31 are also very good. The second week offers a few clean but smaller windows, notably Saturday morning, September 5, and Sunday morning, September 6. Keep an eye on the wind, because when it’s on, Basques can really turn it on.
Rusty.
Short Range ForecastLight rain (total 2mm), mostly falling on Mon night. Warm (max 25°C on Sat afternoon, min 18°C on Sat morning). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 21°C on Thu afternoon, min 16°C on Thu morning). Wind will be generally light. | ||||||||||||||||||||
Saturday 29 | Sunday 30 | Monday 31 | Tuesday 1 | Wednesday 2 | Thursday 3 | Friday 4 | |||||||||||||||
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) | WNW 9 | WNW 9 | WNW 9 | NW 10 | NW 9 | NW 9 | NW 9 | NW 10 | WNW 10 | NW 10 | WNW 10 | NW 9 | NW 8 | NW 8 | NW 8 | NW 8 | NW 9 | NW 8 | NW 8 | NW 8 | NW 8 |
Wave Graph  | |||||||||||||||||||||
 kJ | 641 | 362 | 339 | 490 | 300 | 268 | 433 | 569 | 543 | 392 | 314 | 206 | 105 | 80 | 53 | 28 | 81 | 115 | 93 | 95 | 98 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | cross | glassy | glassy | cross-on | glassy | glassy | cross-on | glassy | glassy | cross-on | cross-off | glassy | cross-on | cross-off | glassy | cross | glassy | off | cross-on | on |
High Tide | 6:16PM4.20m | 6:34AM4.03m | 6:49PM4.23m | 7:07AM4.04m | 7:24PM4.17m | 7:42AM3.98m | 8:01PM4.04m | 8:22AM3.86m | 8:44PM3.83m | 9:07AM3.68m | 9:36PM3.57m | 10:05AM3.48m | 10:48PM3.32m | ||||||||
Low Tide | 12:25PM0.93m | 00:48AM0.85m | 12:57PM0.89m | 1:20AM0.86m | 1:31PM0.92m | 1:54AM0.94m | 2:07PM1.00m | 2:31AM1.08m | 2:48PM1.15m | 3:13AM1.27m | 3:37PM1.33m | 4:04AM1.50m | 4:39PM1.52m | ||||||||
 | |  | |  |  | |  |  | | | | | | | | | | | | | |
 | 7:26 | — | — | 7:26 | — | — | 7:28 | — | — | 7:28 | — | — | 7:30 | — | — | 7:31 | — | — | 7:31 | — | — |
 | — | 8:46 | — | — | 8:45 | — | — | 8:44 | — | — | 8:42 | — | — | 8:39 | — | — | 8:38 | — | — | 8:37 | — |
mm | — | — | — | — | — | — | — | — | 2 | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 21 | 25 | 23 | 21 | 21 | 21 | 20 | 21 | 20 | 18 | 20 | 20 | 19 | 20 | 20 | 18 | 21 | 20 | 20 | 26 | 21 |
Feels °C | 21 | 23 | 23 | 22 | 20 | 21 | 22 | 20 | 20 | 19 | 19 | 20 | 20 | 19 | 20 | 18 | 20 | 20 | 19 | 25 | 23 |
Swell 1 Height (m) Direction Period (s) | WNW 9 | WNW 9 | WNW 9 | NW 10 | NW 9 | NW 9 | NW 9 | NW 10 | WNW 10 | NW 10 | WNW 10 | NW 9 | NW 8 | NW 8 | NW 8 | NW 8 | NW 9 | NW 8 | NW 8 | NW 8 | NW 8 |
| kJ | 641 | 362 | 339 | 490 | 300 | 268 | 433 | 569 | 543 | 392 | 314 | 206 | 105 | 80 | 53 | 28 | 81 | 115 | 93 | 95 | 98 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | NNW 10 | — | — | — | — | NW 10 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 9 | — | — | — | — | 36 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 91 | 0 | 0 | 151 | 0 | 0 | 91 | 0 | 0 | 91 | 0 | 0 | 201 | 0 | 85 | 91 | 0 | 0 | 91 | 18 |
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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