Surf Forecasts:
Boucau surf forecast from 16 Aug 2026:
- Best quality surf: Thursday 20 Aug, 11AM (local time) - 3ft (0.9m), 11s period, NW swell with glassy winds.
- Most powerful swell: Friday 21 Aug, 2AM (local time) - 5ft (1.5m), 10s period, NW swell with 460 kJ wave energy.
- Next surfable swell (1★+): Thursday 20 Aug, 11AM (local time) - 3ft (0.9m), 11s period with NW swell.
Best Forecast Surf Conditions for Boucau this week:
The surf forecast for Boucau 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 0.9m and 11s period with a secondary swell of 0.4m and 6s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Boucau in the next 16 days are 1.5m 10s and forecast to arrive on Friday (Aug 21) at 2AM. Winds are predicted to be cross-onshore at the time the swell arrives.
| Wave Type | Time (CEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 11AM (Thu 20th Aug) | 3ft (0.9m) 11s |
| Best Surf | 11AM (Thu 20th Aug) | 3ft (0.9m) 11s |
| Most Powerful | 2AM (Fri 21st Aug) | 5ft (1.5m) 10s |
Table - best surf conditions forecast for Boucau over the next 16 days.
The Lowdown
Alright, it's your boy Rusty here, and I’ve got the lowdown for the next couple of weeks. Let’s just say we’ve got a patience game on our hands. The first proper window for a surf doesn't show up until Thursday the 20th, so you’re looking at a few quiet days to start.
For Thursday the 20th, the best bet is Boucau. Thursday morning is looking like the first real chance with a clean, glassy session. The swell is around 3 ft from the northwest with a nice long period of 11 seconds, giving the waves some serious push and shape. Water temp is sitting at a balmy 77°, which is much warmer than normal for this time of year, so you might want the boardshorts. The combined energy is solid at 214 (moderate). It’s a bit exposed, and the optimum swell direction is from the west, so the northwest isn't a perfect match, but with glassy conditions, it's your best shot.
Friday the 21st has some potential, too. By morning, the swell bumps up to 5 ft from the northwest with a consistent 10-second interval, packing some punch (433 combined energy – strong). The wind is light and cross-off from the NNE, which will keep the faces pretty clean. This is solidly in the intermediate to advanced range; it’s not a beginner day. Crowds can be a factor, so get in early.
After that, the run gets pretty marginal again. The end of the month (Sunday the 30th into Monday the 31st) shows a bit of life. On Sunday the 30th, we’re looking at 5 ft to 5 ft of northwest swell with a long period of 11-12 seconds (670 energy – very strong). That’s expert territory, but the winds are cross-onshore, which will spoil the shape a bit. It’s more interesting for kite surfing than a clean paddle session. Monday the 31st morning is the real standout for that far-out window: 4 ft northwest groundswell, clean and glassy with light WNW winds. That is the one to circle on your calendar if you’re after something clean.
The long period swells we see here (11 to 12 seconds) will work best at Boucau, which is a beach break. Keep in mind that kind of groundswell can sometimes straighten out on a beach, but those glassy windows should still offer some good rides.
So, to sum it up: get excited for Thursday the 20th morning and Friday the 21st morning. The rest is a mix of wait-and-see, with a promising but less certain glassy morning on Monday the 31st. The first week or so is pretty lean, so don't get your hopes up until the 20th.
Rusty.
Short Range ForecastMostly dry. Warm (max 23°C on Sun afternoon, min 20°C on Tue night). Wind will be generally light. | Days 5-7 Weather SummaryMostly dry. Warm (max 22°C on Wed afternoon, min 15°C on Sat morning). Wind will be generally light. | |||||||||||||||||||
Sun 16 | Monday 17 | Tuesday 18 | Wednesday 19 | Thursday 20 | Friday 21 | Saturday 22 | ||||||||||||||
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 8 | NW 7 | NW 7 | NW 6 | NW 6 | NW 7 | NNW 8 | NNW 6 | NNW 5 | NW 4 | NW 13 | NW 11 | NW 10 | NW 10 | NW 10 | NW 10 | NW 10 | NW 9 | NW 9 | NNW 8 |
Wave Graph  | ||||||||||||||||||||
 kJ | 78 | 71 | 62 | 25 | 31 | 17 | 44 | 12 | 8 | 6 | 82 | 202 | 277 | 460 | 433 | 384 | 334 | 179 | 152 | 100 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | on | on | cross-on | on | on | cross-on | on | glassy | cross-on | on | glassy | cross-on | cross-on | cross-off | cross-on | glassy | off | cross | glassy |
High Tide | 7:59PM4.13m | 8:19AM3.81m | 8:38PM3.88m | 8:59AM3.62m | 9:20PM3.59m | 9:42AM3.41m | 10:09PM3.31m | 10:36AM3.21m | 11:15PM3.07m | 11:53AM3.07m | 00:45AM2.95m | 1:22PM3.07m | 2:08AM3.00m | |||||||
Low Tide | 2:03PM0.89m | 2:30AM0.94m | 2:42PM1.07m | 3:07AM1.18m | 3:22PM1.29m | 3:46AM1.43m | 4:06PM1.53m | 4:29AM1.67m | 4:59PM1.75m | 5:25AM1.88m | 6:11PM1.89m | 6:43AM1.99m | 7:47PM1.90m | |||||||
 |  | | |  | |  | | | | |  | |  | | | | | |  | |
 | — | — | 7:11 | — | — | 7:13 | — | — | 7:13 | — | — | 7:15 | — | — | 7:16 | — | — | 7:16 | — | — |
 | — | 9:07 | — | — | 9:07 | — | — | 9:05 | — | — | 9:04 | — | — | 9:01 | — | — | 9:00 | — | 8:59 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 |
Temp °C | 23 | 22 | 21 | 22 | 21 | 22 | 21 | 21 | 21 | 22 | 22 | 21 | 21 | 21 | 20 | 21 | 21 | 19 | 24 | 21 |
Feels °C | 25 | 23 | 23 | 23 | 22 | 24 | 21 | 22 | 23 | 23 | 23 | 23 | 22 | 19 | 21 | 20 | 20 | 18 | 22 | 21 |
Swell 1 Height (m) Direction Period (s) | NW 8 | NW 7 | NW 7 | NW 6 | NW 6 | NNW 5 | NNW 8 | NNW 6 | NNW 5 | NW 4 | NW 13 | NW 11 | NW 10 | NW 10 | NW 10 | NW 10 | NW 10 | NW 9 | NW 9 | NNW 8 |
| kJ | 78 | 71 | 62 | 25 | 31 | 11 | 44 | 12 | 8 | 5 | 82 | 202 | 277 | 460 | 433 | 384 | 334 | 179 | 152 | 100 |
Swell 2 Height (m) Direction Period (s) | — | — | — | NW 8 | NW 8 | NW 7 | N 7 | NW 7 | WNW 8 | WNW 8 | NW 5 | NW 6 | — | — | — | — | — | W 11 | W 11 | WNW 10 |
| kJ | — | — | — | 20 | 14 | 17 | 1 | 8 | 6 | 6 | 6 | 12 | — | — | — | — | — | 10 | 9 | 19 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | NW 11 | — | — | WNW 8 | — | NW 12 | WNW 8 | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | 5 | — | — | 7 | — | 5 | 6 | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 95 | 43 | 197 | 95 | 43 | 59 | 615 | 581 | 518 | 630 | 43 | 0 | 95 | 25 | 0 | 95 | 0 | 0 | 95 | 0 |
Best forecast wave conditions in Landes | ||||||||||||||||||||
Best forecast wave conditions in France | ||||||||||||||||||||
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Information about the Boucau Surf forecast
The above surf forecast table for Boucau provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Boucau can be found by selecting the local surf guide option on the grey menu. Our Boucau 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 (Boucau) 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 Boucau 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.
Boucau is 5 km (3 miles) from Biarritz. If you plan a holiday in Landes, 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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